Composition and method for producing polythioethers having...

Details Composition and method for producing polythioethers having... Composition and method for producing polythioethers having...

C - Chemistry, Metallurgy

08

G

C08G 75/00 (2006.01) C08G 75/04 (2006.01) C08K 5/49 (2006.01) H05K 3/28 (2006.01)

Patent

CA 2326347

A polythioether has formula: R1-[-R2-S-CH(CH3)-S-]n-R2-R1, wherein R1 denotes a thiol group, a hydroxyl group, an unsubstituted amine group, a monoalkyl-substituted amine group, a monovalent radical substituted with at least one hydroxyl group, unsubstituted amine group or monoalkyl-substituted amine group, or a group that is non-reactive in the presence of an acid catalyst, R2 denotes a divalent radical, and n is an integer from 1 to 60. The polythioether is a liquid at room temperature and pressure.

L'invention concerne un polythioéther de la formule R<1>-[-R<2>-S—CH(CH3)—S-]n-R<2>—R<1> dans laquelle: R<1> désigne un groupe thiol, un groupe hydroxyle, un groupe amine non substitué, un groupe amine substitué par un monoalkyle, un radical monovalent substitué par au moins un groupe hydroxyle, un groupe amine non substitué ou un groupe amine substitué par un monoalkyle, ou un groupe non réactif en présence d'un catalyseur acide; R<2> désigne un radical divalent; et n désigne un nombre entier compris entre 1 et 60. Le polythioéther est liquide à température et pression ambiantes.

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