SCIENTIFIC ABSTRACT LACH, A. - LACHINOV, S.S.

• Document Type: CREST
• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R000928410012-4
• Release Decision: RIF
• Original Classification: S
• Document Page Count: 100
• Document Creation Date: November 2, 2016
• Document Release Date: June 20, 2000
• Sequence Number: 12
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT

LACE A.
LACII.1 A. The centennial of the first dye. P. 337. CgDffK. Katowice,
Poland. Vol. 8J, No. 12, Dec. 1955
SOURCE: East European Accessions List (EEAL) LC Vol. 5, No. 6, June 1956

IACH,, A.
Conference on dyestuff in Moscow.
P. 15. (CHEM) (Warszaw, Poland) Vol. 10, No. 1, Jan. 1957
SO: Monthly Index of East European Accession (EEAI) LC Vol. No. 5, 1956

I ~ I
Synthetic dyestuffs. Przem chem Special issue-.37-40 s58.

P/013/60/000/003/001/004
B115/B215
AUTHOR*.~~111-Lach, Adam, Hagister
TITLE: Rivetting, welding, or gluing of metals
PERIODICALt Chemik, no- 3, 1960, 103-106
TEXT: The present paper is intended to stimulate scientific research work
to produce glues of precisely defined properties, and promote their applica-
tion. In Poland, the production of synthetic glues develops rapidly. Large
state enterprises, such as "Pronit", "Boryszew", "Puatk6w", 1106wiTeim",
"Kqdzierzynll~ works of organio'l.industry, plastics or chemical synthesis,
local cooperative or even priVate industries produce a large assortment of
synthetic glues. According to the author, the works should concentrate
especially on technical information and close contact with the consumer.
The main part of his paper deals with metal gluing. Used as glues, synthetic
resins have many advantages over rivets and screws, soldering and welding,
since glued metals are more corrosion-resistant. Being a new technique, the
method of gluing has nonetheless some drawbacks and difficulties. These
drawbacks are: (a) heavy metal objects of weights higher than the strength
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P10131601000100310011004
Rivetting, welding ... B115/B215
of the glue cannot be glued; (b) glues are less resistant to peeling and
even bending. So far, the problem of reduced durability due to aging and
long-lasting stress has not been solved. In Poland, this problem was
studied by the!Instytut Tworzyw Sztuozilych (Plastics Institute). Caution
is recommended for the use of glues in building (especially for load-bearing
structures). According to the author, metal gluing is not likely to re-
place the traditional methods, since it can only be applied for special
purposes. Applications of metal gluing., The data were taken from a paper
by H. Schlegel (Ref.1, see below). Synthetic glues for metals. Besides
derivatives of cellulose, polyvinyl chloride, polyethylene, and polyiso-
butylenep almost all plastics can be used as a basis for metal glues.
Hence, the possibility of various prescriptions and the difficulty of find-
ing a corresponding glue, especially in cases were consumer or constructor
themselves cannot specify their demands precisely. Characteristics of
various glues. Rubber glues are w911 suited for gluing metals (except for
copper and its alloys), rubber, polyvinyl chloride, and substances hardening
in the heat. They are resistant to watert diluted acids and lyes, some of
them even ~o gasoline and mineral oil, and also quite resistant to aging.
Polyvinyl acetate glues are universal. They glue metals, almost all natural
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Rivetting, welding B115/B215
substances and plastics. They are resistant to water, but less so to
chemicals and solvents. Phenol glues can be used for metals, rubber, wood,
pheno- and aminoplasts. Resistant to water, acidst solvents, heat and aging.
Polyester glues: for metal, rubber, glass, nitrocellulose~ wood. Resistant
to water and oxidizing agents. Polyacryl glues:, suited for metals, rubber,
polyester, nitrocellulose, polystyrene, polyvinyl chloride*, Resistant to
wate'r and chemical factors. Ures, and melamine glues: for raetals, wood and
phenoplasts. Less resistant to water and chemical faetors. Polyurethane
resins are almost universal and resistant to the majority of factors.
Epoxide resins are of greatest importance. They glue metals, glass and
porcelain. Resistant to chemical factors, less no to water. They are of
the largest adhesive power and tensile strength, and have good electric,
chemical and physiological proyrties. The binding power of epoxide glues
hardened by heat, is 400 kg/cm , and of those hardened by cold: upt to
200 kg/cm2. It would be the duty of the producer to work out a detailed
description and directions for each.kind of glue. Directions for me-tal
.gluing. Apart from choosing the right glue, preparing of the metal surface
is essential. Each mechanical impurity, rust, moisture, grease, and lubiicat-
have to be removed. The surface has to be blanched by bichrOLIal.e
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Rivetting, welding ... 3115/B215
of sodium or sandblasted for the development and increase of mechanical ad-
hesion. This preparatory treatment increases the binding power by 20%.
The optimum thickness of the glue layer is 0.15 mm- Cold hardening is car-
ried out at 40-800C or room temperature, hot hardening at temperatures up
to 2000C. After hardening, the binding seam is coated with water-resistant
varnish. With the right glue and varnish$ the binding seam can be protected
against all atmospheric and chemical factors. The paper of Ref. 1 by
H. Schlegel., Fertigungstechnik und Betrieb no. 7, 1959 is mentioned. There
are 7 non-Soviet-bloc references.
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P/oi3/6o/ooo/oi0/0O1/003
B115/B215
AUTHOR: Lach, Adam, Magister
TITLE: Chemical industry in the ChinesePeople's Republic
PERIODICAL: Chemik, no, 10/154t 196o, 381-385
TEXT: The author gives a survey of the development of the chemical industry
in the Chinese People's Republic since 1949 as compared with the former
situation. It is mainly based upon non-Soviet-bloo publications. First of
all, he'mentions the number of foundations of small foundries for iron
(650,000 in 1958) whose products are processed by 950 converters. Chemical
production began in a similai way, but very soon developed larger plants
(artificial fertilizers). Larger plants supported smaller ones. The plants
are part of the People's Communes. Intermediate stages in the development
are often skipped (petrochemistry started without the stage of coal
derivatives). In the expansion of their industry, the Chinese gather a
number of offers from abroad, invite experts of the firms in question, ~nd
dictate the prices as soon as they get an idea of the goods to be obtained.
The author raises the question whether this could be done in Poland. During
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P/01Y60/000/010/001/003
Chemical industry ... B115 B215
the Five-year Plan (1953-57), 31 large chemical plants of high Outputs and
modern equipment were established in China with Russian aid. At the same
time, a number of Soviet experts reconstructed and extended numerous other
plants. In the second Five-year Plant 500 million yuan (205 million dollars)
are provided for chemistry, almost half of the money is intended for the
production of artificial fertilizers, the resi for synthetic rubber, car
tires and tubes, urea, and antibiotics. As to individual products, the
author gives the following report: Sulfuric acid.-The annual productinn
has exceeded 1 million tons. The largest producer is the semi-State enter-
prise "Manchurian Chemical Industry Ltd.", 1945: 250,000 thear, by 1967
more than 10 million t are to be produced. Ammonium sulfate is directly
produced from H 2so 4* Within the first six months of 1959, 68 plants were
to be taken into operation (100,000 t Of H 2so4 and several thousand t of
NaOH). Soda. The semi-State "Yungli Chemical Industry Ltd." is considered
to be a pioneer of the soda industry and the whole chemical industry in
China. Founded in 1914 at Tangku (Hopeh), it has branches in Nanking and
Chengtu. Capacity: more than 400,000 t/year of ammonia soda. There are
numerous small enterprises,also for electrolysis. In 1954, the NaOH produc-
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Chemical industry ... B115/B215
tion was estimated at 30,000 t,and that of chlorine at 15000 t. Artificial
fertilizers.. Despite their legendary carefor fertilization, the Chinese
only possessed two plants in 1949 for ammonium sulfate. During 11 years,
several dozens of large and medium-large plants were established. In 1960,
the erection of 17 large plants will be continued and 140 medium-large and
small ones will be established. A large plant for the production of
artificial fertilizers and synthetic rubber is being erected on the basis of
domestic petrochemical raw material by the refinery Lanchow with the support
of the USSR. Plant protectives. Until recently, organic insecticides had
been imported; by 1959, inorganic insecticides are planned to be produced
in China by 1,470,000 plants. A plant for agricultural chemiatry producing
40,000 t/year is being constructed at Taiyuan (Shansi). In 1959, the total
production was 130,000 t, in 1958 82,000 t. Drugs. The production is far
from meeting domestic requirements. It is mainly based upon people's
medicine and medicinal herbs occurring in abundance. Several plants(includ-
ing such for penicillin, remedies against tuberculosis, sulfonamides, liver
extractst vitamins) were erected with the support of the USSR. Dyestuffs.
From an importing country China will soon become a self-BUPPOrting country.
Colors, lacquers,and varnishes. In 1954, about 30,000 t were produced,
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Chemical industry ... B115YB215
mainly small plants. Modern plants, which in the meantime have been erected,
will be unable to cover the increasing demandfbr a longer period. Petro-
and carbochemistry. China's resources of petroleum and bituminous slate are
estimated at more than I billion t. In 1*959, only 45 of the known 123
petroleum fields were exploited, and in 1956, 2,26o,ooo t were extracted.
In 1958, the erection of 500 small plants for petroleum extraction from
slate was begun. In 1943, the capacity of petroleum refineries was
130,000 t/year, at present, it is the 20-fold. So far, several dozens of
small and largerefineries'have existed, but since 1957, 200 small local
plants have been in construction. Some of them have been extended and new
large ones have been erected (an automatized one at Lanchow) with the sup-
port of the USSR, which since 1958 has been processing more than 100 petro-
leum products. China's coal resources have been estimated at 10,000 bill-ion
t. In addition, new deposits are being discovered almost every year. Syn-
thetic gasoline is being produced by the Fushun hydrogenation plant
(erected with USSR support).' Plastics. The production of polymers in
China has been established after 1953, but since then it has developed
cg,nsiderably and now comprises all important kinds of plastics. It was too
difficult for the author to list even the most important plants. Rubber
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Chemical industry ...
P/01Y60/000/010/001/003
B115 B215
and synthetic fibers. Respective plants are often erected in connection with
plants for petrochemical raw materials, sometimes even as a part of the
latter. Initial substances produced are: chlorine, NaOH, HCl, H2SO 4'
phenol, indigotin, DDT, and preparation 666. Harbin is to be the center.
There are 2 tables and 8 references: 2 Soviet-bloc and 6 non-Soviet-bloc.
The three references to English-language publications read as follows:
China reconstructs~ Peking Review, Chemical Age.
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IAQH#-AduA-
Prevent state and development porspectsof the FdUsh dyestuffs
industry. Przegl w1okien 16 no-4:202-205 Ap, 162.

WE, Adam, mgr
Institute of Organic Industry, Zgierz Branch. Chemik 16 no.9:
264-267 S 163.

P . P~W&,,Mfir :Lnz-; M.TROIIOVIIC' , .' --ladyslaw, mgr inz.
BUREK Rudolf , mgr; U~LIL,.,V
ADAIMEK, Ryszard, mgr inz.; KRYSIK, Marian, -Inz.
Measuring the density of the filling mixture by using the
gamma radiation absorption method. Przegl gorn 20 no.10:
Supplement:Biul glow inst gorn 34 no.2:3-1-24 163.

BURM, Rudolf, mgr.,inz.1_LAGH, Ryszard, mgr.,inz; LASA, Jan, mgr..,inz.;
SAWICKI) Jerzy, MFT.-~T~-Z.-
Isotope gauge for the thicakening of wash water. Przegl gorn 18
no.3:185-189 162.

S/081/62/000/022/032/086
B158/B101
AUTHORSs Burek, Rudolf, Lach,_Ayjs;_aj4,_jda_sa, Jan, Sawicki, Jerzy
TITLE: An isotopic density meter for industrial waters
PERIODICAL% Referativnyy zhurnal. Khimiya, no.. 22, 1962, 297, abstract
221125 (Przegl. g6rn., v. 18, no. 3, 1962, 185 - 189 fPol.-i')
TEXT; The theory of the noncontact measuring method, based on ~--ray ab-
sorption in the test medium, is briefly explained. The layout and mode
of operation of a laboratory apparatus constructed at the Yining-Metal-
lurgical Jkcademy (Poland) by Florkovski for measuring the density of
emulsions in flotation processes are describea. The radiation source
located before-the pipeline carrying the liquid to be checked. The
detector comprises a scintillation countei with a NaI/Ti crystal, a photo-
multiplier, an integrating circuit and a measuring device which includes
a self-recorder. The current is supplied 'from a high voltage source.
Results and conclusions from laboratory and industrial experiment measure-
ments are given. It was found that the results are of a qualitative
nature, the apparatus being suitable for continuous measurements. The
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5/081/62/000/022/032/088
ku isotopic density meter for ... B158/B101
method does not require any special adjustments of the pipeline system.
[Abstracteris notet Complete* translation.)
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KOZLOWSKI, Czealaw; AMBROZY, Jerzy; LASKOWSKI, Tadeusz; 1ACH, Ryszard;
.\~OWAK, Zygfryd; WINNIGKI,- 16rzy
Evaluation of the exploitation profitability of coal deposits.
Przegl gorn-18'no.6'o-,347-354,Je 162.
1. Komisja trzerobki Mechanicznej i Wykorzystania Hald, Rada Techniczno-
Ekonomiczna, Ministerstwo Gornictva i Emirgetyki,, Warszawa

LACH, R., mgr inz.
"Application of analog calculus to the phenomena and
laws of sorting coal by gravitation" by P. Moiset,
M. Cogneaux. Reviewed by R. Lach. Przegl gom 19 no.4:
177-179 Ap 163.

WOLNY, Jerzy-,- _JAGR,-Tez~pa
Experiment in determining the pH of the closest environment of
the anode during electrolytic dissolving of steel samples;
contributian to the determination of nonmetallic inclusions
in st~hpl. Prisegl rwilkawo-tech AGH no.6:13-28 162.
,1. Katedra Metalurgii. Stali, Akademia Gorniezo-Hutnicza.,
Krakow.

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