SCIENTIFIC ABSTRACT BERLAGA, R.Y. - BERLIN, A. A.
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RIF
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S
Document Page Count:
100
Document Creation Date:
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Publication Date:
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ADAMHUK, V.K.; BERLAGA. R.Ya.
Photoionization in the region of fundamental absorption in
cadmium
selenide. Fiz. tvar. tela 5 no.12:3529-3532 D 163. (FJRA
17:2)
1. Leningradskly gosudarsvennyy nniversitet.
ilk
'ACCESSION NR: AP4024465
S/OC)54/64/000/00VO159/0162
AUTHORS: Berlaga., R. Yaq Itudenok, M. 1.
TITLE: Surface structures electric,, and photoelectric
properties of thin lead
sulphide layers obtained by the cathode-sputtering method
SOURCE: Leningrad* Universiteto Vestnik. Seriya fiziki i
khimiis no, 1. 1964s
159-i62
TOPIC TAGS: lead sulphide layers cathode sputtering.,
activation energyj adsorpt icn.
spectrums electron diffractions vacuum evaporation., single
crystal FbS film
ABSTRACT: Thin PbS layers were produced by t ~-';.'e-qputtering
method under a
bell jar at 3.0 to 5 x 3.0 Hg pressures andlat temperatures of
250-270C.
Average evaporation rate was 0.2~x per hour; the.substrate was
at a 3.5-4 cm
distance from the 6athode. The activation energy was calculated
from temperature
1dependenco of conductivity using both the cathode
sputtering,,technique and
evaporation in vacuum with noticeable differences in the
measured conductivity
between the two methods, The addorptionspectrum was meamwed in
thin polycz7s-
L-Card 1/2
i-.ACC=I0N NR: Ap4o24465. i
stalline layers of AS obtained,by the cathode sputtering methods
Electron
microscopic and electron diffraction studies were carried out, The
FbS layers
obtained exhibit thei,same properties as the layers produced by the
vacuum
evaporation method. .The ability to prodA;ce polycrystalline and
single*orystal
fPbS films is shown to" be possible by the. do "to 16
pathode-sputtering metho
Meshcherskaya took part in the experime6s." Orig. arto has 5
figures,
;ASSOCIATION., none
SODEUTEDs O2Jul63 DATE AGQ: 16Apr64. EVOLt OD
SUB CODE: PH NO W SOV: 000 OTHER: 000
Card 2/2
BERLAGA, R.Ya.; RUDENOK, M.I.
Surf&-ze structure, electric and photoelectric
properties of thir.,
PbS films produced by cathode sputtering. Vest. LGU 19
no.4t
159-1,62 164. (MIRA 170)
T 17 LE! l.-,vPst i j ati on of the traneverso
aye r -Es -1 1 of CdTe_
SOURCE. II.ITJZ. Fizika, no, 5, 19,54, 18-201
'TOPIC TAGSt cadmium telluride, photoeffect, polycrystal, surfa-7e
;potential
"STRACT: To check on the light-stiim~lated var,,.n-~x,-.
potent_~al of p.7~ ly crystalline layers of C(iTe r~?)
1' C
0.25--2.5 thick and were deposited in accordance w-,th the tech-
. Cord 1/5
L r2430-65)
ACCESSION NR:
A134047342
nology described by V. A. Lyixbin and G. A. Pedorova (DM S8.13P
Nn. 4, c113. or, a 2~ x 70 M. glass aubstrat,-
seinitranspar-pn- 'laver of gold. me;%!3ure~!
pacitor and by the capacitor methods, the light bei.~Q
the lat-ter caso at 200 cps. Ell was measured by a
votentio-mteter
method, using a dynamic capacitor with a tuned wv1!4-ier aii a
Indicatcr. Typical spectral curves of the transverse er-~_-
811own In Fias. 1 and 2 of the enclosure. T!7~e
longitudinal and transverse off ects have much in cc-aLmon t'-t~
1 T-
spectral characteristics, time delay, and depend,~T~r_-V_.- ~'Nr
nation. Howe%-!r. the available experimer.1-al fi~-_z
p1ained oy ansuming that LE, and E,, are, pr~D"~-
same electric vector, and not Aill the proces_qos wbic)-,
change in the Eurface potential ID~o a notice-abl-in,
the photoeffact. Orig. qrt. Itian- 2
Card 2/5
0 LiBbil T-1 E b . u4Y..ayb-~
i
'SUB CODE - To " OP
i
p
i
NR Rw sov. 0031
i;N -', -I i W- I
OT-iihi.: vuj
Card 3/5
T
ACCM-qlCtl MR: AP4047342
I AWM
(90
transvers- uhrTo-c-,~--'
rkvdTmffi) in ner -.i-T - 1
I :A
-4:~X
xyz -4- ,piMl Speat== the swo lay=@
L l2hlr,-6~-
-r - -- - -- I-
W - NPV14-1342
FicT. 2. Tv,oica'
C.rd
-1 -/M TMC
ACCESSTON ?.fF.
~~4G47342 S/01 1
M.-
r an s 9 b pn~D- 0-
a-y a..r s. 0 f CdTe
4,
SOURCE: IVUZ. Fizika, no. 5, 1964, 18-20
TOPIC TAGS: cadmium telluride, photoeffect. pojvcr,.,qf'-aj.
potential
ABSTRACT: To check on the light-stimulated
E !-I 2L Th e e 7,
~1: I, we- f!
C? P C' s i L 'd --I
1. 1243o-65
ACCESSION MR: AP4047342
nolog~ described by V. A. Lyubin and G. A. Fedorov,-3 ti-Alz S35P
4 Fill. on a 25 x 70 rm qjaRs
e I d.
-a c 1. " 0 ~
ap methodri; ~be
~the latter case at 200 cps. E 11 was measured by a potentiometer
P, -3ynamic cmpncitor writh a tune-2
iongir-uainai ann transverse eftects nave mucm 1 n, r-r4TV-ftD r'
1. c,r
0 x T
7~ Ja- F
same electric vector, and not all the processes -w-hich lead to a
change in the surface potential make a noticeable
the -hotoef feat? orig. t-~ r t ~ I-arj i
7
L 12430-65
ACCESSION M AP4047342
ASSOCIATIONi Leningradskiy gosuniversitet imeni A. A. ndanovA
(Leninqrad State University)
ISUB CODE; Op NR REF SOVt 003
-Tc OT-HER: 003
Card 3/5
AGa:&c;jcy4 j,-,rpt IvP4047342
C-14/5
12L3(-'-65 ar,~rjogURE-i 02
Ti=,S 1,liq N-R iNr-4047342
C= Jet of th-
~2
trans~rse phot-- th*'v
t]-- Capa(:Ilc= Truulouf
texietic of illl,,Ymnilt4l.,
BERIESKU Cand Mad Sci - (diss) patients
ME 6114-4/1
,-.WItA~rthyU'-=--~+adon4P baths.0 Mos 1958
16 pp (Min of Health RSFSR. State Sci Res Inst of
S ?- , t~y e
QmMjmg and Physiotherany) 250 copies M, 32-58, 111)
- 60 -
]MIT, SKU. Slena [BEHIMCU, Ilona] (Rusyntya)
of first- and second-degree hyperthyroidism with radon blithe,
Vop.kurtfisioter. i lech.flukul't 23 no.4:345-351 ji-A 158
TKIRA 11:8)
1. Is terapevt1cheskoy kliniki (nmuchny7 rakovoditell - prof.
N.I.
Speranakiy) TSentralinogo inatituta kurartologii (dir. -
kandozedo
nauk G.N. Pospelova),
(HYPERTBYROIDISM)
(RADON-THRRAPMIC USE)
BEMSIEU, Zlena [Berle Bou, Ilona]
*-1
P-0 w2ransaotions of the BuchoreBt Institute of
Balneolog7 and PWaical
Therapy.0 [in Rmaninal. Reviewed by Slena Berlescu.'
Vop.kur.
fizioter. i lech.fi%' 1ml't- 23 no.Qj~c--5539-D 158 (MMA
lltlZ)
(ILUMM:ZMALM nSCMTS, WAM.LNG PUMS, ETC)
BERLE50 E. doktor
"Balneologic physical therapy in rhownatic diseases".
Reviewed
by E.Berlesku. Vop. kw.j fizioter. i lech. fiz. kul't. 26
no.5:
471-472 S-0 161. (MIRA .14: 11)
~(RHEUMTIC FEM) (PHYSICAL THERAPY)
(HYDROTHMWY)
------ 1-
"Balneo- and physiotherapy in diseases of the digestive
tract."
Reviewed by E.Berleakta. Vop. kur., fizioter. i lech.
fiz. kullt.
26 no.6:559 562 N-D 161. (MIRA 15:1)
TDI=TIVE ORGAI-S.-DISMSES) (PHYSICU THLUPY)
(BATHS)
BINSTOC, O,p dr.j BERLESCU, Slona, 4r.;
DUMITRESCU, St., dr.
-41 - ftmm*ls
Gonsideratiom on the,cervicohumeral "mdrome. YAd.
:intern. 15
no.1039-842 JI 163.
(SPINAL DISEASES) (ARTHRITISp RHEUMATOID)
(PERTARTHRITIS) (CERVICAL VERTEBRAE)
(SHOULDER ARTHROSES) (NEURALGIA)
BMUSCt Elena; BADFSCU,, Maria; GWRMSCU, Gh.; TUMiq E.
Value of the Hanolsky test for tho dynanic follow-up
of thyTold
functional changes caused by sulfurous balne therapy
at the ,
Herculane spa. Stud. cercet. endoer. 15 no,4,333-339
164.
LUNGU, Al.; TACHS, A31naj BEI=qq,.;;ena;
CRISTOVEMU, Ana; NICOLAU,,
i- ' "
Oratisla; SCHMLMO Ae
Horuonal changes during physiotherapy of patients
with excess
weight, Studii cercet. endoor. 16 no.2:175-180 t65.
BERLESKUP go a c E. , LURGU, A.; KRISTOVYANU, A.
(Christovem, A.);
SHULLER A. Suller A.); STOYCHESKU, K. (Stoicescu,, K.1;
HIKHESKU,
R. (i;;;r~ya)
Effect of meteorological factoro on the function of the
adrenal cortex
during balneotherapy. Vop. kur., fizioter. I lech. fiz.
kulft. 29 no.41
316-322 Jl-Ag 164. (MIRA 18:9)
1. Institut endokrinologii imeni Parkhona (dir. -
akademik Sht. 1.
Milku [Milcu,, So] i InBtitut ballneologii i fizioterapii
(dir. -
prof. T.Dinkulesku [Dincul.eacu, To]), Bukharest.
BERL MYV, 0.1.
"Direct Current Amplifiers.0 G.I. Berleyev
Usp Fiz Nauk, vol. 49, no. 1. 93-193, Jan 1953
Describes several dc amplVfIers of the Wheatstone
bridge type and of ele9tro-
metric tube type and their applications. Appends 51
references. half U.S.
and 3ritish.
254T60
BERLMX, G. 1.
Dissertation: "Investigation Into the Physical Processes in DC
Amplifiers and the
Develoi-ment of 'llethods of Using Them for Pleasuring Physical
Quantities." Cand F,-,,ys-
Path 3ci, Physics Inst imeni P. N. Lebedev, Acad 3ci USS-ft, 7
Jun 54.
Vechernyapa Yoskva, lloscow, 28 May 54.
SO: 3W4 284, 26 Nov 1954
FIV, G.I.
~ i.
Direct cureat differential bridge. Izv.AN Kir.SSR
no.1:61-67 133.
(Electric measuraments)(Theridsmatry) (KLRA 9:9)
BERLEYEV, Grigoriy Isayevi--h; IVANOV, I.A., red.
[Prcblems and questions in physics; for technical
schools)
Sborz,c zadach i voprosov po fizike; dlia
teklmikumov. Mo-
skva, Vysshaia shkola, 1964. 302 p. (MIRA 17:9)
- -1 " 0 Q-i i W-h R6 I IllpillpliIIIIIIIJIM
Wasteleas larclut of wood. 6 nc,.7.-27 JI 15-7. (LIRA
10:8-)
l.Tiraspnl'skaya mobellnava fabrika
(Woodwork)
S/503/62/015/000/OOZ/003
AOO1/A1O1
AVINORS t Karimov,~ M. 0., Antushavich, M. I., Berlikenov'
a. K. M., Dosybayev,
S. K., Zubtsov, A. S.
TIM: Photometry of solar flares according tq observations of the
coronal
station near Alma-Ata during 1960 - 1961
SOURCE: Akademiya nauk Kazakhskoy SSR. Astrofizicheskiy institut.
Izvestiya. v. 15, 1962p 77 - 110
TEXT: The present article is a continuation of the study of the same
authors published in 1962 in the v. 14 of the same source. Film
frames were
taken in intervals of 30 see, sometimes 15 see and one minute. Prior
to photo-
metrical processing all frames of ~he flares were preliminarily
examined, and
flares were selected which had characteristical Oeculiarities in
some fo-atures.
During two years 63 flare photographs were selected, carefully
processed and
the data are tabulated. For Individual, most pronounced !mots are
plotted curves
of flare development. The graphs in the article contain information
on intensi-
ity of individual knots, expressed in terms of Intensity of
undisturbed places of
Card-1/2
31/5-03/62VO15/000/002/003
Photometry of solar flares according to... A001/A101
!the solar disk, 'versus time of flare development and changes in the area of
flares. Both quantities,iratios of intensities and areas are plotted on ordi-
nates, the first on the left-hand side and the second on the right-hand side;
abscissa serves as time coordinate for both quantities. -The upper right-hahd
corner of figures contains a sketch of.the flare with,all its details,
sunspots,
flocculi, foci,of flares, etc. The photometric study,of the flares shows that
Aheir existence strongly depends on the center of activity. They have a
special
relation to sunspots and flocetili fields. Curves of.variations of brightness
and area have a series of characteristical features where this relation is
close. There ~Lre 62 figures and 1 table.
Card'2/2
EERLIN,,,A insh - MCHOZOVR V., in2h.; AXWSHTSYN, G., inzh.
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90 a
the pnKvu with HA. perchmnic acid. IINOP and NaINO, -60
A was invesililatTd, HNO# and N&N% at e the mt-At el-
Irctive catalysts. The oxidation of camphene was carried
:0 out with the Mill.01 V.,Cr.Ov 8, 1W, 22.5 anal water 69.5% .0
III an initial IMP. (A "0* and a final temp. of w.
Tbc amts. of HN% (IOD%) or NmNC)w used zoild not be
3 more than 6 Jr. Wr 111A) ee- of the miltiallott mixt. and --f0
0 I4-0%bywt.o1XjCtA.mp. Theo"tionwascaniAd
out in +-S cycles. both of the alim catalysts decreased
00 4 1 the time of o"dort mod Increased the yield of camphor.
00 Thus the oxidation of camPhroe in thel-OCINTO(NANCh
Irielded',11% of camphor in 1021julfibro, Thccampbor
so obtained contained 11W% camphene. Tbt oxiditfort
of campheric under conditions approximating those which 640
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arr us"I in the Ind"g-Iry was also carvietl (Hit In the pm%.
eure awl %I-%rtkv of NaN(h. The yield of tiunphor was --O0
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the wwrieahat dild. mist. took place rolthough it requiml '00
m4we time (It.5 and 34 hrs.. resp.), but the amt. o( -.4 0
K,CTA uvd vras smIler than in the oatidation with the
eumd. mixt. The evolution of COt during the reaction
was ob%erved uW is explained by the direct ox6WIon of
t ft!-."Pbror to COV. A. A. PmlSnrny
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of the polymere W botan-l-ol-3-onal sail of some of Its
banclop. rde k"D sic. Taal conmvably rimy-friall in
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of gw&
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sic. but It -tuAY tends to deem P' the
MODONW. The an tta poillmerivation a dmm by is and v ty. AW
h" is &W untembik brosaw DO 11#0 is evolved in
2Dd lb
0
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was somewhat snore effmive, while the alk. catalysts -
arms do nc
jhq process, lithydralln
it aid WAY-i-- exceedingly Powerful. N&O!t yieWed a 9W
yvllow-"d
merisc4l Me
l
l
l
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3
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i
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tion and the polymer di era gVest
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r ml<rr to b"t- and yellow
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o1
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on se
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occurs with AW. Increase of The cone.. of alk. Catalyst
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0 0
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was rotlad to increase the polymer-Litistlon velocity. The
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greatly inbilIked
-
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e
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y
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it was found that conditions as used for 1, while
.09
H dur.
tb
;0 I
00
s "Mury;
s P
for beat polds F1 h14
now 00" not polymnlill. Cale", of the IWfectilar 14 ewil WOO
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i
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-
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km
i3
l
aita, completion of the tilsdiull the PH should be
p
ky
ArAlly
.
d by hestinS It
w
ith
H
in
sto
I lowered to GA and the volatile products disid. off Imme-
leriuliod of I wm studit
o
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.
(by wt.) stats
at W' for 34 h
r
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l
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.
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O
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t
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I
,
was s
u
eat on
g
cam of
y
i - treatment with 140. Increaw of the catalyt cor".
And viWvjIy;;if waW sampitsbirsted in the fSaNn
5D 140' &sstens poly"Irrizatioli but lower, the polviorr vi~"Il
lo" llibell
b
l
d
un
er
wlyri
y
change was o
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appears 10 twel", inhilt, snothtl 111014 CISAftit "'C'cull
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metbw duchmd the Km" aowyws to within 0. Ise;,.
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wbra a 1154mim. boaft VaW is und. Rqually joid
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refilms. ill thiscuma the "awasextil. with hot IW for 3-4
fill"" And I hir m4fl, *a% lifol Pir 11W allolv%im, O.M.K.
7
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1.
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ell
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wifidwim P - M.6%, folk - IN -% 1$K),, In Mille,
22 bz, p : folk - 1011 - 416'. Is MewCO.
-a W P W.0'-, 104 - 233 - IODS. The relative
dow"m ell ff* taili puaynxibilmition as Cumstertf! with the
binding of the
roartiop in "A. 6 Owlitird to luvk*
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00 of IN), In t1w prew"tv W 1% INA, The ito
tabled with 10.6t; I it kupwticullf, Invol, but wwrl
00 exteat in w1reco. CA.. and CHCh; vikkim
The "Ittet is mitright i"vol. MW does so ats
SKI'. 71w induction period bKTmws with 111.
tbat. with 4). O.A. 1. 11. 10. a" W% L #.- I
0 7~1t,40,andMilbrs.
thin is rywittly bas"ty IIA"I depewft CA
0 of The pulyfunctlobal I wJtkd to the madetti
00 thus. with lc" than 0.1% 1. the vkcrAty v of
imerram regularly and - load. PI ar with
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00
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MLIN, A.A.; BARANOVA, V.N.
I.- ~.- --
Thermoreactive varnish. Patent U.S.S.R. 77.731,
Dec.31, 1949,
(CA 47 no.19:10244 15))
IXT, -A. --A.
22511
Berlin, A. . l,ekotoryye Novyye Sinteticheakiya
Soyediiioniya, Vyk. 8, 194-9. s 24-34 Bibliogr: S.
SO: Letopis' 30, 1949
V~%rsokOLIOlkoll;,r
Lk~'ULIN, A. A.
A. A. Berlin and V. 11. Parini
"Systematics 6f Ifighinolecular Compounds and Basic Types of
Inorganic and Nletal-Organic
Polymers", Progress of Chemistry L6. 546-56, October 1949,
MDSCOW
AIMRACT AVAILABLE
D-50V.A
1'r 1-afthiWit"l-Res
a )btho(I for Obt&Udvg Rubber-Phsnol-
TP Reeing,,- A. A. Berlin, S. K. mwm-
a ,deh.
1*00m, 8 VV
prlkw Mae Vol DO I
fitable a=' lone an& nonpealing rubber-resite
~,~FI2= may be obtained by introducing
positive
ca-ps into thelbakelite re
r sin (oanphoteri-
a
'Urea-formldebyde poIjy-
*atlmm of real=).
form stable a=' Idna vith latexes
116A reTertex. The emalsions have high
elasticity
150-200% rnbber-NK,of the 46i&t of the
49 49r.52
/ClIamistry-R6din6p Fhbwl Formaldehyde -Jan 49
4m= part is introduced Into
0. CaSOIA In! ibst suit cC;osltlOA of
Able a _nt for ' I
arlyAtiortof t*noIfcrmaIdebA* reaU*.
e3Astielty azA Inedbamical stiongth are.
b7,ocUblningAmkellto real~q With Z*t=%l
DWO synthetic 37doVats =wt be u4ed in rach
or qua=tItles (2100% and zwe viih respeid't
~,tb* weight of the ;-.ssln) to"attal; the
samms
20 effect. Submttted 13 Jul 48C
49A9T32,
BfRLIN, A. A.
"Chemical and Technological ReseareN of Treated Wood Palp and
Plastic 'dooa Substances,,"
(book).. Moscow, 1950.
vio ti
B'~'RLIN, A. A-
Issledovaniia v oblasti khimii i tekhnologii oblagorozhennoi
drevesiny i
drevesnykh plasticheskikh massj pod red. L. P. Zherebova.
Moskva, Gosles-
bumizdat, 1950. 176 p., illus.
Bibliography: P. 171-173-
Title tr.z 'research in the field of chemistry and technoloor
of refined
wood pulp and wood plastic laminates.
TA419-B48
SO: Aeronutical Science and Aviation in the Soviet Union.,
Library of Congress.,
1955
OWR/Chemist;7 - Plastics
Jul 51
"Resea ,rch in the Field of the
Cbemistry and Tech-
iLology of Synthetic High-Molecular
Compounds. 11.
Preparation and Polymerization of
Acetometha-'
Crylic Esters of Cellulose,". A. A.
Berlin, T. A.
$akarova
$kZbur Obshch Khim" Vol M, No 7, pp
1267-1273
Cellulose methacrylates were prepd by
(1) action
'of methacrylic acid chloride on
cellulose, (2)
i.~teraction of alkali cellulose and
methacrylic
p,pid chloride, (3) -action of
metbacrylic anhy-
&ide on formic acid-treated cellulose.
Method
191T24
IWR/Chemistry - Plastics (Contd) JU.1 51
gave best results, yielding
monosubstituted
mothacrylate. Acetylation of methe
rylates
j~*-eided cellulose acetametbacrylates
which,%-,ere
V'ip~'Iymerized and copolymerized with
metbacrylic
wId esters in presence of benzoyl
peroxide. inth
ivifusib3e products, insol in org
solvents.
19IT24
CA
it r2asum 8*4Aijw;W4-.j"Tj~M= I
0. V_ ft. a- igalooll. V-6
0,
;6ri essaw- sk it. (1,
.1. (;,. CLM. U.S.. - W R.
". 46. 19W.
Synthetic Resins and
Veep/chermistry mar 51
Elastomers
.*Cbange of the Chemical and Mechanical
Propertie's
6f 1 Chlorinated Polyvinylchloride at
Elevated Tempera-
tur.es," A., A. Berlin, I. I. Denker
"Zhur Prik Xhim" Vol XXIV, No 3, PP 308-313
An! chlorinatedpoly-viny1chloride
(perchlorovinyl.)
reiin is heated at 80-1300C it loses HCI,
beccaing
lie! s sol. This is due to formation first
of sol
1. 1
.=~at,& product, then to 3-dimensional
polymerization
tWSR/Chemistry -'Synthetic ResinB and Nor 51.
Elastcmers,(Contd)
'resulting macromols. This polymerization
occ We
ww4y in soln, needing higher temp in solid
phase.
After heating at 1350 perchlorovinyl resin
film ber
4600e's stronger but less expansible an&
flexible.,
.17?T29
C 4-0
Ch 0 cb, . t
W~ Iif eIV.
it. s R.
A. ~ w Fx I if.
.0,W ur, ,
R. M. s.
LF/
I I r2,
Of
me. ,~kn 0. Hernshtelts. and
a
Hoholevsk" . Kilim. (J. Applied
Chet", ) 24, 1:041. fix - Witter-ima, PhOll-
,Clio in (1), M. 7,11'. polynswfirAllon rate at till* 1.1
I Irefrolvies, virklin Ilpts. with
lh~ ~11P g -;aP;ld. by IIN).: w.", Its'. i,oly
.9!F pptd. by llsPO4-. m. 116'. poly
to fn,~, 1~
1twrizalkm rate 22 we.; ppid. by KAI alum: does not
w4ten. at 140. does not xi%-r %stretchable thrrA&. Frr
jt4)&4aml tech, AlA shut gave nonsofirning and oandrau-
It apiwam that the vitaintla ore "iesinotate-
'p-dis of the mullivalcut usetalo. *hich. owling to their
Its-
di"wn%k"I Structure. low their Ihmmoplaslic prollevite,
'17he tirlit 4olvent for the tomirula Is 711% ArOll. For
ritn.
1.11 himn Imlivernatthi pxpev it it missitemed thAt the
Imulurt
be mulled 8-12 him. in 701; At-Oil in !~6111hlcl Illit"ble
("oh-
-not trihminicl. thm reflusird 0 lits. conventionally.
M. kosolapoll
A. A.
w
USSR/6hemistry - Plastic Film Dee 51
"Effect of Certain Metallic Oxides on the Stabili~_Y
of Perchlorovinyl Resins at Elevated Temperatures,'"
I. I. Denker, A. A. Berlin
"Zhur Prik Khim7IVol XXV, No 12, pp 1311-1316
investigated effects of pigment admixts on stabil-
ity and film-forming characteristics of perchloro-
vinyl. Shaved (a) that basic oxides (ZnO) or
Fe203 accelerate splitting off of HU and forma-
tion of insol polymers, while powd Al has little
effect on process, and (b) that formation of insol
polymers under heat processing lowers elasticity of
film arA a&ision of coating to metal.
206T33-
MO
v ~W 0
s6hr-
7ht UUM01 t~ Cft.14 Prep& f "n VIx-,Cmv.COC-I $m4
thr vasioai g yCol's In the pmence of
25-W NaCH 2zd a
-
m,.11 amt. of stabihm; the.,jkf4s d M-60%
dr.3D NaOH wm re&ied by j~)71ffinv
xv!
CH N S3* . dill 1. 1%
C-11S. CArrCOICH, nAI IAM:
C3 1634k-01 1.09,212, "V
Th&,t po*tmedzed in fYiq frrsmm of Da
iii., sfiOlf. u3ing MY, Hatometric amd
Al. ra-,O~~ for -.101k r4 i
Wi ~1picsization. Ile
waj J,~hj v'rim! with
Mfft lay) derlm
"-Oi J-mci wbicb
..?.s eouble b=ds (j9 njorms Lbe
ulm,~Isi= a] product. The. InterinmWA jw2ji isula" I~y
v4ih bsr_CG und ppin. with IUMI, GNA vnr
i~xist bn.-Vvn dc'ns. 0 po)yjrw
m ati, -zomar
'i I) by diL k and vravirneiric Ibb
'1';;z turrm sbown.
U SS R 4
5-13' k1j, 1.0,21,10, hkjo J.45L'Z, /is: OICIIACHIC11.0),
CH36i CCIA10-011,1i.widetc
d. 04.)n
d" IO&W 14; 1.4537.
g
CH: C11" N, 108' CH,- cmeco~-
CH, t". 119-20'. JI: 1.102,11). vjr
1.45W; CH!..4*llgcuAcillcqoljcocHICH:C!I,. ricjy-
01C Cp
127.3* 0110 1.12 0 wj,* 1.4W.
IAIN CIhCHCHrOCIhCHACCIICH:CHt, bi 95.5
Tke intermediate ally) ethers were
prcpd. from RCI or RBr and the rormspanding Na 4erly. 0l
Lie irbcvlsi IIOCIICHi9CH,CIh CH2 11), b. 159-W'. ds.;
0-9526, MV 1,1353; HO(CH)CHtOIC!rtCH. CHs, bi 9,9
101'. d-' 1.012. 6jU 1.4440, CHI.
bi djI 1.0899, P;lr 1.45M. PAssare of eftime
oxide into CH,:CHCILOII and 3% coned. W90i at W-WO
all.
run in Irare sute and in 23TD McOff solm. The mults,
given jrar~hically, %bow the Mlorwing. The methatrylle-
EILVA, poh-mt-tim mom MPM)y than do I%ht~myjk" or
;4131 "carbaltrIk" deril-A. GenerAlly tht h~arz-83C70 the
disrtinte bctwvnj the Tunctizinal groups of the above esters
leads to increase We of Ultutasiomil palymerlz~i'lou; In
-bi3c&-baBylic" esters Ibb relatiousbip is ; . Tat
Ii .P~ i,.Ctny afft%-fing the rate Uf polymeriation is
K
.I'VII 13 On: sttik factor wbk-b establIslits the d41 ioce th-
ty"n the functional Xronps-RI-tht mpmraxr~.,- G. it. K-4
BERLIN, A.A., doktor tekhnicheskikh nauk. laureat
Stalinskoy premii.
Foam rubber. Nauka, i shisn' 20 no-12:30-31 D
'53. (KIRA 6:12)
(Foam rubber)
MMI-IN -.6- AO&JALINSKIY, Yu.M., redaktor; POGMIN, P.T.,
takhnichaskly
redaktor
(Principles of producing go.9-filled plastics and
elastouerv] OOUOVT
prolsvodetva gazonapolnennylth plastmase i slastomeray,
Moskft. Goo.
nauchno-tekhn. lxd-vo khIm. lit-ry, 1954. 189 p.
[Microfilm] (MURA 8:3)
(Plastics) (Rubber, Synthetic)
AID P ~1310
Subject USSR/Chemistry
Card 1/1 Pub. lig - 4/5
Author Berlin, A. A. (Moscow)
Title Polymers of oxygen-oontaining three-membered rings
Periodical Usp. khim., 23, no. 8, 967-985, 1954
Abstract Structure of alkylene oxides and their polymerization
are covered. Preparation of oxides of aliphatic and
aromatic hydrocarbons is treated in some detail. Some
detailed data on the industrial uses of polymeric oxides
and alkylenes are given. Two tables, 37 references
(11 Russian; 1910-1952).
Institution : None
Submitted : No date
dy, '34
raw
I r~, Ar
..,-
I
InOrlank PDI)711pys. A. A. Berlin and V. 1'. parim
Prpp;, !~s
MLIN. A.A.. doktor takhnichaskikh nauk, professor.
Ligbt plastic materials. Naulm I zhizn' 23 no.6:24-25
Je 156.
%MW 919)
(Plastics)
"Imha W, dokbor takhnicheskikh nRuk, professor; BARM,
S.M., kandidat
sellskokhozyaystvannykh nauke
Protective filums. lank& I shisn' 23 noo7:54-55 Jl '56.
(K[aA 9-9)
(Pmkogin'g)
G) L_r)
Chemical Froducts'and Their Application -- Wood c trY
,JSSR/Chmical Technology. hemis
products,, Cellulose and its manufacture. Paper, 1-23
Abst Journals Referat Zhur - Mi:Lm:kyaj No.2; 1957, W7
Author: Yashunskaya, A. G.., Regovino Z. A.., Berlins A. A.
Institutions None
Title: Investigation of the Qwdltions of Preparation of
Carboxyetbyl
Cellulose
Original
Publication: Zh. prikl. kbimlit 19568 29) No 1, 105-110
Abstractt Into a mixture of a saluticm of fllka31 and
acrylonitrile (I) was
added cellulose (c). After stirring for 4o.45 minutes at
30-350
the reaction mixture was cooled to -50 and held at this
temperature
for 1-1.5 hour after which it was heated to 250. After
stirring for
4-6 hours, reckon$ng f~ram the start of the treatment, a
solution of
carboxyetbyl celluleige, ((30) vas obt#Aned. With a
concentration of
the Na0H solution of lose than 2% the reaction of
cyanoetbylation
proceeds very slavly# An Increase in the concentration of NaOH
Card 1/2
USSR/Chemical Technology. Chemical Products and Their
Application -- Wood chemistry
products. Cellulose and its manufact=e. Paper, 1-23
Abst Journal: Referat Zhur - EhImiya, Wo 2.. 1957, LM
Abstract: above 8% does not increase substantially the degree of
esterifica-
tion (DE). Factors which accelerate the bydro%lysis LIncrease in
temperature (450), increase of tht amount of alkali In the
reaction
mixturej, lower the DR off C. N increase of the amount of WaOH
Bolu-
tion from 10 to 50 ml., -
per 1 g C. the content of 'VOOH. groups in CEC
decreases from 7.0 to 2.87%. Use of alkall C producei by
merceriza-
tion followed by pressinng, caminution, and pre-ripen:~ng, has
made It
action of I an a2kali C and
possible to prepare CF-C by direct to in-
crease thereby considerably the utilizaticm of 1: !,n the
primary re-
action of esterif-4sation, from 10-22% to 46-63%- Maximum DE --
total
95.1 (0.19% COCH groups., 6.2.2% nitrogen), vas attained in 3
hours
'with expenditure of 1.5 mole I per unit C linkage. CEC prepared
from
sulfite vood 0 (degree of polymerization 300-40011, dissolves In
7-10%
solution. of NaOR, with a 6-7% content of COCIH groups (Ir =
26-30).
CEC prepared from reprealpitated C (viscose rayon), dissolves in
4-8% solution of VaOH vith a 3-4 c=tent of COOH grOUPB (r
Card 2/2
It! thp
LIA -M&%&L.,M~KAYA, Te.A.-
Formation of active molecules In the ar3rolvaie of water
solutions of
starch. Pokl. AN SSSR 110 no.4:585-588 0 156. (KUU 10W
I..Hoskovski,v tekhnologicheskly instutut nyamnoy I
molochtoy promyshlen-
nosti. Predetavleno akademikom A,V* Topchiyevym.
. (Starch) (Low temperature resenrch)
H.
PHASE BOOK
EXPLOITATION 166
ATMOR:
See table of nontents
TITLE:
Advances in the ChemlDtry and Technolo of Polymers
(Uspekhi khimli
I tekhnologii
polimerolv; Second
-
Collection (Sborg~ka)
HS. DAM
-ftokhlmdzdat, Moscowe 195T, 296 pP,,
3,000 copies
ORIG, AGENCY:
kSmesoyuznoye khimicheskoye obahchestvo
in.
-D.I. Mendeleyeva
~KPITORS;
Malinskiy, Yu*Xo.; )Wspopsible Ed.:
Rogovin,-Z.-Ae;
Tech. Ed.; Shpak~ Ye,,G,
PUVOSE:
The book is
Intended for scientists and engineers
in the industries producing
plastics, natural.and
vulcanized rubberi, synthetic fibers, paints
and
varnishes-
,* and also for teachers and students of
these subjects ifi
colleges.
Card I/ T
166-
Advances-In the Chemistry and Technology of Polymors (Contj
-COVERAGE: The book ia,a collection of suzwey articles on the
devOw-
mpnt'of the chemistry of~polymers. The artI016.3 cover "w
methods of-uodifyipg the properties of synthetic polyuerb-
and cotton fibers'And the use of electron microscopes for
studying polyaw~- btruoture.
TA= QF-CONTZWT~A: PAGN
-of HeteroeyoIas into
.A*r*pIkkej*v, [deceased]. Transformation
Limear Polymeii- -3
Soviet scientists mentioned:
VolokhIna, Ai7o; Iftromova, R.S.;
Krunyants, I..L.; Rogovin, 7,.,Ab;
Skuratov,.S'*N.,- and Voyevodskiy, V.V.
Morljz., A.A. Chemical Tr"eformatioiji of Nacrosolecules 13
There are 87 referencesj...3T of which are Soviet,
40 RagUahs _9 Geriman, I Prench,
Sard 2/T
166
Advances in the Chemistry and Technology of Polymers (Cont.)
Andrianov, K.A. and Zhdanov, A.A. Some New Trends in the
Development of the Chemistry of Organosilicon Polymers
53
Soviet
scientists mentioned:
Dubrovin, V.G. There are 28 references, 12
of
which are Soviet, 14 English, 2 French.
~rBsgdasarlyan, Kh. S.
Relationship of Molecular Structure
to Reactivity'In
Polymerization
62
Soviet scientists mentioned:
Shorygin P.P.-
Shorygina N.I.; Korshak, V.V.
*
'
'
t
6
;
A
of which are Sovie
There ar
1
re
f
e
rences,
,
6 English, I French, 1 Dutch.
Kudryavtoev, G.I. Now Methods of
Modifying the Properties
of Synthetic Fiber-forming
Macromolecular Compounds
81
There are 47 references, 4 of which
are Soviet,
38 English, 3 German, 2 French.
V Rogovin, Z.A. New
Methods of Modifying the Properties of
Cotton Fiber
97
There are
23 references, 4 of which are Soviet,
19 English.
VBresler, S-Ye.
Polyelectrolytes
110
.
Soviet scientists mentioned:
Engellgardt,, V.A.; Lyubimova,
M.N., and
Samsonov, G.V. of the Physical-Chemical Laboratory
Card
3/7 of the Institute of High Molecular Compounds,
166
Advances in the Chemistry and Technology of Polymers (Cont*
Aoademy of Soleikeea$ USSR* There are 20 z4ferepoes.,
4 of which are Soviet.1 16 English.
,Zeb:Lnder,,P,,A, and Ivanova-Chumakova, L.V.
Structural and.Nechanical (VIscoelastic) Properties of Pql-ym'r
Sdutions and Methods of Measuring Then
Soviet-'scientisto mentioned;
V&ynberg., BP.Paj Tolstoy, D.N.; Zhigaoh, K.P.-
Trapeznikov, A*A.; Vinograd 'ov, G.V.;.Mikhaylov, N.V'oj
and Segalova, Ye*Ye. There are 25 references, 22 of
which are Soviet, 2 English, I German.
Tmtkov, V.N. tome * Current Methods of Determining the Shape of
Macromolecules in Solutions
Soviet scientists mentioned:
Ubedev, A.A. There ire 29 references, 13 of which
are Soviet, 7 English, 6 German,-2 Swiss, I Swediisho
J
&taygorodokiy, A.I. Structure of High Polymers
Soviet boientists mentioneds
Kartagin, V.A. is'sentioned.
There are 2 Soviet referbneeso
146
lTl
191
card 4/7
166
.Advances In the Chemistry and Technology of Polymers
(Cont*)
Gulf,, V.Yd'. Mechanism of Degradation of High,Polymers.
202
Soviet scientists menti,onedo.
Ioffe, A.F.; Kirpichev, N.V*;,Tevitskaya, M.A.;
Aleksandrov, A.P.; Zhurkov,, S.N.; Rebinder, PeA,;
Aslanoya, M.S.; Mikhaylov, NeV.; Kargin, V.A.;
Lazurkin,, Yu.S*; Dogadkin, B.A.; Karmin, B.K.;
Lukin,, B.V.; Kasatoehkin, V.I.; Regell, V.R.;.
Fogellson,-R.L.; Bartenev, G.M.; Novikov, A'.S.;
Sidneva, N.Ya.; Dogadkin, B.A*; Fedyukin, D.L.;
Farberova, I.I.; Sandomirskiy,, D.M. and
Narzulayev, B.N. There area 43 references, 28 of
which are Soviet, 11 English, 4 German.
Markova, G6S. An Electron Microscope Study of Polymers 223
Soviet scientists mentioned:
Peehkovskaya, K.A.; Npko, S.L.; Dogadkin, B.A.
and Bereatneva.,. Z,Ya# There are 14 ref6rences,
9 of which are Soviet,4 English, 1 German.
.card 5./T
166
Advances.in the Chemistry and Technology of Polymers (Conq -
pk_g#, R.N. and Mark, H., Graft and Block Copolymer~s from
Zynthtt;,F and Natural Macromolecules [Abbreviated translation
y- Zazulina, Z.A,,3' 23T
,trom Maktamolek. Chem. 16119, 322 (1956~1
',Ziegler., K6 $ -Hol4amp, E., Breil H., Maft~n H. Muhlheim
-Prodess for Production of Polyethylprf6 under Normal Pressure.
[.Abbreviated trarlslation from Angaw. Chem. 67., Nr. 19-20,
252
541 (1955) by Trostyahakaya, Y I~B&]-
Gra=,J~jp and Gaube, R, Lq~-;Zeis sure Polyethylene,, its'Prop
.er-
,Uoes (Ab -.',translation from An
d
-pI,jkp and brevi, t " _Sew. Chem., 6T,
Tr
1 ~2 oity"bkaya Ye.B.)
~48 (1955 262
We-,&Ier, R. Chemis of Polyepoiddes
M 6T,. Nil-, 19-20, 5
anslated from ew. Chem,, 82 (1955) by
Trostyanakaya, *B.] 2TO
Phneeke G* moval of Oxygen from Solutions by Electron-
~Oicm,3 Fdation-reduction Resins [Translated from Angew.
Me.14-Y 9-20., 613 (1955) by Ye-T.] 290
Card, 6/t
166
Advances in the Chemistry andt Technology of Polymers (Cont.)
ftri~oxyl-icontainirAg,llaatomis. (Translated by Z.R,)
291
us.-D., Ne* Types.of Synt4etic Polymer FiluB [Traims-
06d r a Papers An. Assoc* Text. Technol-, 9., No* 2,
6 b~ Z.R.1 292
T
Now Type'bf Synthetic Fiber [Translated by Z.R.J. 293
-NOW.Type of Polyamide Flbers-...[Translited by Z.R.] 294
AVAILAWA: Library of.Congreas
Card Tl*r
BARLIN, A,A9
Chsacal conver'elous
t0,2:13-52 157,
of macromolecules. Usp, khim. i takh. polix,
(MIRA 11:1)
(Haeromoleoular compounds)
B ILIN A.. doktor tokhnichookikh nauke
W, P,
Alginate-calclum film and their use for freezing meat*
Mlas, Ind*
SSSR n0,2:44-47 157, (MMA 10:5)
(Meat, Frozen) (A-191nic acid)
Idtlitifibd as 1
ma. ym-ld 2.5% frwn 2: 1 C,11,1. Fracu~~m t3 b~
1-'M, nV 1'.4790, =21yzcd as a suhstance c-oiag 3 mcA
'C.il4 and a mol, CC4.
Investigation of the Suspension Polymerization Process
64-8-1/19
of Styrene
method for the polymerization of styrene was worked out
here. It consists of the polymerization of the thermal
primary polymer of the styrene (with Pt:* 30% polystyrono
content) in water suspen3ion. It in shown that this method
reduooo the polymerization timu and increase the M mean of
the polymer by the 10-4 fold. / "Primary polymer"
is the product of a partial thermal polymerization. Was
obtained here by means of heating of the monomer at 800
up to the formation of 30 % of the polymer./ It is shown
that the plastic substances on the basis of a suspension- and
block suspension polymer are not inferior to the black
polystyrene according to their propertiesp with respect to
the dielectric characteristic factors (tg 6 and E ), but
even exceed the materials of emulsion polystyrene.
There are I figuret 6 tables, and 6 references, 3 of which
are Slavic#
AVAILABLE: Library of Congress
Card 2/2
BXRLIN, A.Ao; GILIKAN, I.M.
Investigating the process of suspension polymarization of
styrol.
Kh1m. prom. ne.8:449-40,2 D '57. (MIRA 11:2)
(Styftne) (Polymerization)
"The-Nedhanical Chemistry of Polymers," by Prof 4 Berlin
Doctor of Chemical Sciences. Propaghlenno-Ekono -c es Ya
Gazeta No 18, 10 Feb 57
"Research conducted at the laboratory of High-Molecular Compounds
.of the Moscow Technological Institute of the Meat and Dairy
Industry has
shown thati? after solutions of polymers or solid swollen polymers
have
.been frozen, partial deterioration,of the polymers takes place by
reason
of the high internal pressure and of the stresses to which chain
mole-
cules are subjected. As a resultp reactive substances are formed.
"Similar processes were found to occur after the action of ultra-
sound or in consequence of the effect exerted on the polymers by
very
intense agitation of solutions of these polymers. Analogous effects
vere observed after mechanical working of rubberg polyvinyl
chloride,
and other high-polymer substances on rollers.
"The formation of active.molecules as a result of mechanical
destruc-
tion of polymers by different means opens up new possibilities in
the
chemistry and technology of plastics,, elastomers., protective
coatings,
and syntbatic ffbil~rn.
L3 ~e R i%l. A,
41,15,lhin~ a~i6it- PC baviag different properties ar
e subjected
to meebanical destruction,. the active produpts which form as a
result of
the breakdown of chain molecules react with each other and form
hybrid
molecules which exhibit new physical,, chemical, and mechanical
character-
Istics.
"It is known that polystyrene does not dissolve in water. but dis-
solves in aromatic hydrocarbons. When an emulsion of polyst)r~ene
in an
aqueous solution of starch is frozen. a product Is obtained which
conr
Bists of blocks of polystyrene andcf starch joined together. A block
copolymer of this type forms colloidal solutions both in water and
in
aromatic hydrocarbons.
"One may give another example illustrating this phenomenon. When
the brittle polystyrene is rolled together with rubber, a block
copoly-
mer is formed vhich has a higb elasticity and at the same time is
very
strong and has a high dielectric constant.
"The possibilities of using this new principle of preparing polymer
."43aterials are practically unlimited.
"Investigation of the chemical transformations of polymers under the
action of mechanical forces make it possible to throw new light on
various
technological processes which involve mechanical disintegration or
the
-freezing of Wf4jt*bVt4dWJc&l polymer foW pr*ducte,, and antnal and
vegetable tingui-459
On the basis of the experimental and theoretical data avallablo
in this field we may reach the conclusion that the time has
come to form,
a new branch of polymer science,, i.e., the mechanical
chemistry of poly-
mers.
"Development of this branch will make it postible to create
new types
of nonmetallic ruiterials which exhibit a vakiety of valuable
properties
and to clarify t* a greater extent tbepechanism, of various
chemical and
biological processes,."
BERLLNI A.A,
-
"On Certain Trends in the Synthesis and Practical
Application
of Graft Copolymers," paper No. N22, submitted at the Inter-
national High-Polymer Conference,Nottingbam, 21-2-14 JulY
1956-
Laboratory, High Molecular Weight Compounds, Moscow, USSR.
0~& 1 Al
Ulf
f
g
i
a
0
1:
11
1
j d:6
1
IN
Kul
-41
3311 lost
IM
44
"19
as
'
'
P
h
! j
.-
:8
AUTHOR;
Berlin, A.A., Prcf;u,--c--, Doctor of Teohn--JI.cal,
TITLE:
Chemistry of Larg~- (Khdziye bvl~~!rjlkh zn~~-Iekul)
PERIODICALt
Nauka i Zh--?,r.2
ABSTRACT:
A detailed
desc---lpt.1-,~-n of natura` pollymers:, poly-u~r!-P-tfcn'
polyoonder-.3atlon,, g~-afted blac eu-'Z'~olymer-
ization and the
mcchan.losl chem4.nz---y of hJE-h-ji-cleou.,ar cona-
pounds is
given.. The mo5t
in nature ara alo~-,6- ri-.2ee'rzh
done by A.M.
Butlaro-; ii~ proo-ct-i-E thn -deve---opaent c;f th,---
chemistry
o-JP synthe-l-'--o' -,c::r-kea un -1-
taining high-mole(-,ula,~-
Vrcm
by maans of polymerisat."on. The uf
is a good example of
chain the of wh--"~ch wa.~-,
developed to a great -axtent 111Y
Nobel oj.-*'-z--~ tin
N.P. semenov. The pzacti.-,~a-'
i1pplicati-r-n of
has helped to elabo:~ate L gro---% number of
different polymeric
substances and mater-lals. F-;,-7 exaiarj!2,
by -'~O'c S.V. Lebelev
-
Card 1/
g synthe'~-,- rubb,-,-.r- ly
had develnpad a method 93~,- produiiin
Chemistry of Large Molecules
25-56-3-3/41
polymerizing butadiene. In 1954, a polymerization method
for propylene and many other hydrocarbon compounds was intro-
duced,which formed polymers with extremely regular structures.
Recently, a polymer of formaldehyde was developed. Soviet
scientists were the firs+ to synthesize viscous liquid sub-
stances (,Dolyetheracrylate) which at Increased temperatu~res
can be transformed into glass-like, very durable, insoluble
and infusible polymers. Polymeric substances of great impor-
tance for industrial purposes, such as phenolformal,dehyde,
carbamide and melanineformaldehyde resins: can be obtained
by means of polycondensation. Recently, a new group of ex-
tremely efficient heat-resistant polyether compounds, derived
from carbon acid and severall phenols, have been synthesized.
Today, polymeric substances, which, in the basic chain contain
atoms of titanium, tin, boron, phosphorus and other elements
combined with crganic groups, are being produced. Due to
their structure, these polymeric substances belong to the
group of elementary organic polymers. In 1945-46, the USSR
developed a new method of synthesis called "grafted co--polymer-
Card 2/3 ization", the main principle of which consists J.n polymer-
Chemistry of Large Molecules
25-5B-3-3/41
izing a selected monomer under the influence of another
polymer obtained from a different monomer. On the basis of
this method, Soviet scientists succeeded in elaborating a great
number of new substances combining the inherent property of
polyvinylchloride oil resistant gasoline which has a ready
solubility, increased adhesion properties and the atmospheric
stability of acrylatos. besides "grafted co-polymerization",
in the pnst few years the method of bloc co-polymerization
gained in importance. It mainly consists in obtaining short
polymeric blocs with reactive terminal groups, a faut, which
ensures the consequent connection of these blocs into long
chain molecules. A new field of science - mechanical
chemistry-,
which is just being developed, opens up Great possibilities
for synthesizing polymeric materials. Soviet scientists were
the first to prove that the breaking of polymeric chains re-
sulting in the formation of active radicals was also possible
when freezing the polymers in water or in fluids made up of
some organic solvents; the rupture of the long mzlecules is
effected by considerable pressure resulting from the freezing
of water.
AVAILABLE: Library of Confiress
Card 3/3 1. Polymers-Analysis
50)
AUTMIS: Berlin, A. A., PaPni, V. P. SOV/153-58-4-2o/22
TITLE:
On Some Characteristics of Polynuclear Aromatic
Compounds
and on the Synthesio of Polymers Resistent to Heat
(0
nekotorykh osobennostyakh mnogoyadernykh aromatichaskikh
soyedineniy i sinteze terinostoykikh polimerov)
PERIODICAL:
Izvestiya vysshikh uchebnykh zavedeniy.Khimiya i Ichimiches-
kaya tekhnologiya, 1958, Nr 4, pp 122,- 127 (USSR)
~
ABSTRACT:
fl -t of all
The demands made on polymer substances,
with respect to their
high heat resistance, ht~e been
increasing during the last
years due to the raplid
development of airplane construction
and rocket
technol.ogy. The heat resistance of polymers
depends
on the chemical bonds stren,~th in the main chains
and the
side groups of the macromolecules. The lower the free
energy of the bonds, the higher is t1he temperature limit
of
the existence of a chemical compound. The compounds
mentioned
in the title have a high resistance to heat.
Card 1/5
This is
caused by the characteristics of the chemical
On Some Characteristics of Polynuclear Aromatic Compounds
SOV/153-58-4-2o/22
and on the Synthecis of Polymers Resistant to Heat
binding of such substances. In plane systems of con-
ju,gated bonds (benzene, naphthalene, and other
molecules) the potential ener,-y of the n-electrons is
extremely low. The bi,ding formed by a-electrons
in the aromatic compoundo is covalent; iqis.-.si*Llar
to the metallic one. The chemical bond in these
compounds should, according to its charL-cter, be
termed as metallic -covalent. The resistance to heat of
the aromatic nuclei is connected with the advantageousness
of such a bond with respect to enerigy (due to the low
potential energy of the n-electron). With the increase
of the system of conjugated bonds the energy of the
n-electrons decreases still further. Thus, the re-
sistance to heat of the molecule should increase with
the increasing number of conjugated benzene nuclei
forr,Ang the molecule. The acciunulation of the benzene
nuclei can take place in the following ways: Formation of;
a)Linear polyphenyls, b) Folyaromatic compounds with
condensed nuclei in one line, c)Ramified polyaromatic
Card 2/5 compounds with a main chain of linearly bound or