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1

The influence of thermal treatment conditions on features of the chemical structure in the imidization of polyamic acids and on the thermal stability of the polyimide products

S.V. Novikova, Z.G. Oprits, A.I. Smirnova, V.Ye. Sorokin, I.F. Khudoshev, N.I. Popik, M.V. Shabligin, G.I. Kudryavtsev

Journal:

Polymer Science U.S.S.R.

Year:

1983

Language:

english

File:

PDF, 574 KB

english, 1983

2

The temperature and time dependence of the tenacity of polyimide fibres

I. F. Khudoshev, Z. G. Oprits, G. I. Kudryavtsev

Journal:

Fibre Chemistry

Year:

1972

Language:

english

File:

PDF, 215 KB

english, 1972

3

Kinetics of the cellulose xanthate solution process

G. N. Musatova, O. V. Oprits, M. N. Babushkina, E. M. Mogilevskii, N. I. Antipova, T. B. Filicheva

Journal:

Fibre Chemistry

Year:

1973

Language:

english

File:

PDF, 213 KB

english, 1973

4

The influence of the technological factors on the service properties of polyimide fibres

I. F. Khudoshev, Z. G. Oprits, G. I. Kudryavtsev, M. V. Shablygin, A. A. Rodkin

Journal:

Fibre Chemistry

Year:

1971

Language:

english

File:

PDF, 514 KB

english, 1971

5

High-speed spinning in a vertical tube

A. Ya. Gantsura, O. V. Oprits, V. S. Matveev

Journal:

Fibre Chemistry

Year:

1978

Language:

english

File:

PDF, 277 KB

english, 1978

6

A kinetic study of the imidization of aromatic polyamido acids

L. G. Kudryavtseva, I. A. Vasil'eva, S. V. Novikova, A. S. Spasskii, Z. G. Oprits, M. V. Shablygin

Journal:

Fibre Chemistry

Year:

1985

Language:

english

File:

PDF, 190 KB

english, 1985

7

A mathematical description of the process of dehydrocyclization of polyamido acids

L. G. Kudryavtseva, M. V. Shablygin, A. S. Spasskii, Z. G. Oprits, G. I. Kudryavtsev

Journal:

Fibre Chemistry

Year:

1985

Language:

english

File:

PDF, 261 KB

english, 1985

8

Optimizing the process of filtering spinning solutions

V. S. Matveev, O. V. Oprits

Journal:

Fibre Chemistry

Year:

1985

Language:

english

File:

PDF, 750 KB

english, 1985

9

The problem of determining the optimal conditions for dissolving the cellulose xanthate

O. V. Oprits, G. N. Musatova, Yu. L. Gracheva, E. M. Mogilevskii, A. M. Tsirlin, M. A. Ginzberg

Journal:

Fibre Chemistry

Year:

1970

Language:

english

File:

PDF, 257 KB

english, 1970

10

Some mechanical and thermomechanical properties of polyimide fibres

Z. G. Oprits, G. I. Kudryavtsev, L. N. Korzhavin, B. M. Ginzburg, S. Ya. Frenkel

Journal:

Fibre Chemistry

Year:

1970

Language:

english

File:

PDF, 391 KB

english, 1970

11

The spinning conditions as a factor in the kinetics of the imidisation of polyamide fibre

Z. G. Oprits, T. P. Lazutkina, G. I. Kudryavtsev

Journal:

Fibre Chemistry

Year:

1970

Language:

english

File:

PDF, 275 KB

english, 1970

12

Materials for the filtration of solutions of rigid-chain polymers in sulfuric acid

V. I. Vasil'ev, O. V. Oprits, A. V. Volokhina, V. S. Matveev

Journal:

Fibre Chemistry

Year:

1978

Language:

english

File:

PDF, 234 KB

english, 1978

13

Filtration of concentrated sulfuric acid

V. S. Matveev, O. V. Oprits, V. I. Vasil'ev, V. S. Sokol

Journal:

Fibre Chemistry

Year:

1983

Language:

english

File:

PDF, 317 KB

english, 1983

14

Structural changes in polypyromellitimide fibre in the cyclization and hot-stretching processes

G. D. Litovchenko, L. P. Milkova, Z. G. Oprits, G. I. Kudryavtsev, N. V. Mikhailov

Journal:

Fibre Chemistry

Year:

1972

Language:

english

File:

PDF, 429 KB

english, 1972

15

Effect of inorganic acids on the cyclodehydration of polyamido acids

S. V. Novikova, M. V. Shablygin, V. E. Sorokin, Z. G. Oprits

Journal:

Fibre Chemistry

Year:

1979

Language:

english

File:

PDF, 232 KB

english, 1979

16

Automation in man-made fibre production

Yu. L. Klokov, Yu. A. Mitrofanov, O. V. Oprits, G. N. Syagaeva, D. G. Konev, N. F. Moiseev, Yu. P. Serebryakov

Journal:

Fibre Chemistry

Year:

1978

Language:

english

File:

PDF, 285 KB

english, 1978

17

Intensification of ripening of viscose with the aid of an optimization equation for the process

O. V. Oprits, L. V. Zhuravlev, V. M. Volodin

Journal:

Fibre Chemistry

Year:

1969

Language:

english

File:

PDF, 285 KB

english, 1969

18

Investigation of the process of solution of pyromellitic dianhydride in dimethylformamide by a potentiometric method

A. G. Gorokhov, E. I. Leonov, L. A. Vol'f, Z. G. Oprits

Journal:

Fibre Chemistry

Year:

1983

Language:

english

File:

PDF, 360 KB

english, 1983

19

Relaxation transitions as a factor in the tensile properties of Arimid T

V. E. Sorokin, V. G. Brusentsova, O. A. Nikitina, M. V. Shablygin, N. I. Sechenykh, A. I. Smirnova, Z. G. Oprits

Journal:

Fibre Chemistry

Year:

1979

Language:

english

File:

PDF, 267 KB

english, 1979

20

Fenilon plastic reinforced with heat-resisting fibres

A. I. Burya, T. S. Sokolova, Z. G. Oprits

Journal:

Fibre Chemistry

Year:

1977

Language:

english

File:

PDF, 236 KB

english, 1977

21

Filtration of high-viscosity unstable aggressive spinning solutions

V. S. Matveev, O. V. Oprits

Journal:

Fibre Chemistry

Year:

1983

Language:

english

File:

PDF, 496 KB

english, 1983

22

Effect of degree of imidization of polyimede fibres on their sorptive power

L. Ya. Konovalova, A. I. Lopatina, S. V. Novikova, M. V. Shablygin, Z. G. Oprits, G. I. Kudryavtsev

Journal:

Fibre Chemistry

Year:

1981

Language:

english

File:

PDF, 211 KB

english, 1981

23

Determination of the degree of cleanness of spinning solutions

O. V. Oprits, V. N. Tarasova, V. S. Matveev

Journal:

Fibre Chemistry

Year:

1980

Language:

english

File:

PDF, 265 KB

english, 1980

24

A thermodynamic method of analysing the structure of polypyromellitimide fibres

Z. G. Oprits, E. Z. Fainberg, G. I. Kudryavtsev, N. V. Mikhailov

Journal:

Fibre Chemistry

Year:

1972

Language:

english

File:

PDF, 230 KB

english, 1972

25

Composite yarns from polyacrylonitrile — aromatic polyamido acid mixtures

R. G. Fedorova, G. I. Kudryavtsev, Z. G. Oprits, O. V. Troitskaya, O. A. Nikitina, A. I. Smirnova, I. F. Khudoshev

Journal:

Fibre Chemistry

Year:

1988

Language:

english

File:

PDF, 216 KB

english, 1988

26

A study of polypyromellitimide fibres by the DTA method

A. T. Kalashnik, O. I. Romanko, A. M. Shchetinin, G. G. Frenkel', Z. G. Oprits, V. Ya. Efremov, S. P. Papkov

Journal:

Fibre Chemistry

Year:

1982

Language:

english

File:

PDF, 170 KB

english, 1982

27

Fireproof thermostable fibres based on oligomeric phosphorus-containing fireproofing compounds

G. G. Frenkel', A. M. Shchetinin, Z. G. Oprits

Journal:

Fibre Chemistry

Year:

1994

Language:

english

File:

PDF, 264 KB

english, 1994

28

Third-generation man-made fibres produced in the USSR

L. V. Avrorova, A. V. Volokhina, V. B. Glazunov, G. I. Kudryavtsev, R. A. Makarova, Z. G. Oprits, A. V. Tokarev, A. S. Semenova

Journal:

Fibre Chemistry

Year:

1989

Language:

english

File:

PDF, 533 KB

english, 1989

29

Search for optimum regimes in the imidization of polyamido acid in solution

T. A. Roven'kova, I. A. Vasil'eva, V. V. Ermakov, Z. G. Oprits, A. S. Spasskii, G. I. Kudravtsev

Journal:

Fibre Chemistry

Year:

1991

Language:

english

File:

PDF, 271 KB

english, 1991

30

Mechanical relaxation in arimide PM fibres in the temperature range 20–900°K

A. S. Badaev, A. B. Noskov, V. E. Sorokin, Z. G. Oprits

Journal:

Fibre Chemistry

Year:

1984

Language:

english

File:

PDF, 286 KB

english, 1984

31

Relaxation transitions in thermostable yarns

A. Yu. Mazov, A. S. Semenova, Z. G. Oprits, A. V. Tokarev, A. V. Volokhina

Journal:

Fibre Chemistry

Year:

1979

Language:

english

File:

PDF, 258 KB

english, 1979

32

Effect of the morphology of the organic fibers on the mechanical behavior of composites

V. E. Yudin, T. E. Sukhanova, M. É. Vylegzhanina, V. K. Lavrent'ev, G. M. Mikhailov, Z. G. Oprits, B. A. Zaitsev, E. N. Popova, A. A. Mikhailov

Journal:

Mechanics of Composite Materials

Year:

1997

Language:

english

File:

PDF, 862 KB

english, 1997

33

Relaxation characteristics of polyarylimide fibres with temperature and mechanical effects

A. T. Kalashnik, Z. G. Oprits, G. G. Frenkel', A. M. Shchetinin

Journal:

Fibre Chemistry

Year:

1998

Language:

english

File:

PDF, 331 KB

english, 1998

34

Thermal Degradation of Thermostable Aromatic Fibres in Air and Nitrogen Medium

K. E. Perepelkin, O. B. Malan'ina, M. O. Basok, R. A. Makarova, Z. G. Oprits

Journal:

Fibre Chemistry

Year:

2005

Language:

english

File:

PDF, 66 KB

english, 2005

35

Thermal Characteristics of High-Strength and Thermostable Aromatic Fibres

K. E. Perepelkin, E. A. Pakshver, I. V. Andreeva, O. B. Malan'ina, R. A. Makarova, Z. G. Oprits

Journal:

Fibre Chemistry

Year:

2005

Language:

english

File:

PDF, 78 KB

english, 2005

36

Study of the cyclodehydration reaction of benzamido acid systems

S.V. Serchenkova, M.V. Shablygin, T.V. Kravchenko, Z.G. Oprits, G.I. Kudryavtsev

Journal:

Polymer Science U.S.S.R.

Year:

1978

Language:

english

File:

PDF, 545 KB

english, 1978

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