WIPO logo
Mobile | Deutsch | Español | Français | 日本語 | 한국어 | Português | Русский | 中文 | العربية |
PATENTSCOPE

Search International and National Patent Collections
World Intellectual Property Organization
Search
 
Browse
 
Translate
 
Options
 
News
 
Login
 
Help
 
Machine translation
1. (WO1980000446) MACROMOLECULAR CRISTALLINE POLYMER WITH ALTERNATE DIMETHYLENE AND METHYLSUBSTITUTED DISILENE UNITS IN THE MAIN CHAIN AND METHOD OF OBTAINING IT
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1980/000446    International Application No.:    PCT/SU1979/000038
Publication Date: 20.03.1980 International Filing Date: 15.06.1979
IPC:
C08G 77/60 (2006.01)
Applicants:
Inventors:
Priority Data:
2650452 30.08.1978 SU
Title (EN) MACROMOLECULAR CRISTALLINE POLYMER WITH ALTERNATE DIMETHYLENE AND METHYLSUBSTITUTED DISILENE UNITS IN THE MAIN CHAIN AND METHOD OF OBTAINING IT
(FR) POLYMERE CRISTALLIN MACROMOLECULAIRE AVEC LIAISONS ALTERNEES DE DIMETHYLENE ET DE DICYLENE SUBSTITUE AVEC LE METHYLE DANS LA CHAINE PRINCIPALE ET SA METHODE DE PRODUCTION
Abstract: front page image
(EN)A new chemical substance-macromolecular cristalline polymer with alternate dimethylene and methylsubstituted disilene units in the main chain has a general formula: (FORMULA) where "n" is an integer from 800 to 1000. The method of obtaining the polymer consists in reacting the vapour of 1,2-bis(dimethyl-chlorosilyl)ethane with the vapour of metal sodium and/or potassium at a temperature of 250-380 C and at a vapour pressure of 0,1-10 mm of mercury of 1,2-bis(dimethylchlorosilyl)ethane with the consequent condensation of the vapour of he resulting 1,1,2,2-tetramethyl-1,2-disilicyciclobutane and its polymerization at a temperature of 20-100 oC. One of the variants of the method provides for mass polymerization of the 1,1,2,2-tetramethyl-1,2-disilicyciclobutane at a temperature of 20-100 C.
(FR)Une nouvelle substance chimique de polymere cristallin macromoleculaire avec des liaisons alternees de dimethylene et de dicylene substitue avec le methyle dans la chaine principale a la formule generale suivante: (FORMULE) Ou "n" est un nombre entier de 800 a 1000. La methode de production consiste a faire reagir la vapeur de 1,2-10(dimethylechlorosyl) ethane avec la vapeur de sodium et/ou de potassium metallique a une temperature de 250-380 C et a une tension de vapeur de 0,1 a 10 mm de mercure de 1,2-10(dimethylechlorosilyl)ethane produisant la condensation de la vapeur de 1,1,2,2-tetramethyl-1,2-disilicyclobutane resultant de sa polymerisation a une temperature de 20-100 C. Une des variantes de la methode comprend la polymerisation en masse de 1,1,2,2-tetramethyl-1,2-disilicyclobutane a une temperature de 20-100 C.
Designated States:
Publication Language: Russian (RU)
Filing Language: Russian (RU)