METHOD OF OBTAINING POLYORGANOSILSESQUIOXANE-POLYDIORGANOSILOXANE BLOCK COPOLYMERS Russian patent published in 2015 - IPC C08G77/06 C08G77/42 

Abstract RU 2571866 C1

FIELD: chemistry.

SUBSTANCE: claimed is method for obtaining polyorganosilsesquioxane-polydiogranosiloxane block-copolymers by co-hydrolysis of polydiorganosiloxane with organotrichlorsilane in presence of compound of amine type, selected from pyridine and urea, in medium of organic solvent with the following condensation of formed hydrolysate in presence of alkali metal hydroxide and extraction of target product.

EFFECT: method makes it possible to obtain filled vulcanisates of hot hardening, which have good physical-mechanical indices, from available raw material.

3 cl, 1 tbl, 7 ex

Similar patents RU2571866C1

Title Year Author Number
METHOD OF PREPARING POLYPHENYLSEQUIOXANE POLYDIORGANOSILOXANE BLOCK COPOLYMERS 1998
  • Lobkov V.D.
  • Kolokol'Tseva I.G.
  • Aleskovskaja E.V.
  • Kormer V.A.
  • Dolgoplosk S.B.
RU2142478C1
SILOXANE BLOCK-COPOLYMERS CONTAINING METHYL (HEXAFLUOROALKYL) SILOXANE LINKS 2014
  • Khoroshavina Julija Vladimirovna
  • Nikolaev Gennadij Aleksandrovich
  • Neverovskaja Anna Jur'Evna
  • Frantsuzova Julija Valer'Evna
  • Fursenko Antonina Vasil'Evna
RU2563253C1
0
  • Ztory Ritno
  • N. M. Barer, K. A. Andrianov, M. A. Golubenke L. M.
SU271022A1
0
  • K. A. Andrianov, V. N. Emel Nov, A. Yu. Rabkina V. I. Troenko
  • Institut Elementoorganichesknkh Soedinenij Sssr
SU317687A1
METHOD OF PRODUCING POLYPHENYLSILSESQUIOXANE POLYDIORGANOSILOXANE BLOCK COPOLYMER 2010
  • Savchenko Vladlen Mikhajlovich
  • Aleskovskaja Elena Viktorovna
  • Grigorjan Galina Viktorovna
  • Gusakova Natal'Ja Sergeevna
  • Egorov Aleksandr Gennad'Evich
  • Kaganova Elena Vital'Evna
  • Trifonova Svetlana Borisovna
  • Kibets Sergej Gur'Evich
RU2439092C1
METHOD OF PREPARING POLYPHENYLSESQUIOXANOPOLYDIORGANYLSILOXANE BLOCK COPOLYMERS 1997
  • Grinblat M.P.
  • Kisin K.V.
  • Romanikhin V.B.
RU2135529C1
0
  • A. I. Ponomarev, Yu. A. Larionova, E. B. Dmokhovska A. L. Klebanskij, V. V. Bogdanova I. F. Ermachkova
  • Vsesoyuznyj Nauchno Issledovatelskij Institut Sinteticheskogo Kauchuka Akad S. V. Lebedeva,
SU318599A1
POLYMETHYL(PHENETYL)SILOXANES FOR HEAT-RESISTANT MATERIALS 2011
  • Khoroshavina Julija Vladimirovna
  • Nikolaev Gennadij Aleksandrovich
  • Frantsuzova Julija Valer'Evna
  • Fursenko Antonina Vasil'Evna
RU2462484C1
0
SU231813A1
POLYDIMETHYLMETHYL(HEXAFLUOROALKYL)SILOXANES FOR HEAT-, OIL- AND PETROL-RESISTANT MATERIALS 2013
  • Khoroshavina Julija Vladimirovna
  • Nikolaev Gennadij Aleksandrovich
  • Neverovskaja Anna Jur'Evna
RU2527968C1

RU 2 571 866 C1

Authors

Khoroshavina Julija Vladimirovna

Nikolaev Gennadij Aleksandrovich

Neverovskaja Anna Jur'Evna

Frantsuzova Julija Valer'Evna

Fursenko Antonina Vasil'Evna

Romanikhin Vladislav Borisovich

Dates

2015-12-27Published

2014-12-30Filed