ORGANOPOLYSILOXANE MATERIALS THAT CAN BE CROSS- -LINKED WITH CLEAVING ALCOHOLS TO ELASTOMERS Russian patent published in 2002 - IPC

Abstract RU 2189995 C2

FIELD: polymers. SUBSTANCE: invention describes a method of synthesis of polyorganosiloxane with terminal alkoxy-groups that involves an interaction of polyorganosiloxane with terminal OH-groups with alkoxysiloxane and/or its partial hydrolyzates in the presence of phosphoric acid ester and the composition alkoxy- comprising the synthesized polyorganosiloxane with terminal alkoxy-groups. Method excludes the following deactivation of acid phosphoric acid esters. EFFECT: simplified method of synthesis of polyorganosiloxane with terminal alkoxy-groups, absence of by-side reactions. 3 cl, 1 tbl, 13 ex

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RU 2 189 995 C2

Authors

Dorsh Norman

Khajnrikh Rudol'F

Zommer Osvin

Oberneder Shtefan

Khekhtl' Vol'Fgang

Dates

2002-09-27Published

1998-09-10Filed