Process for producing (meth)acrylic polymer terminated by...

Details Process for producing (meth)acrylic polymer terminated by... Process for producing (meth)acrylic polymer terminated by...

2003-04-18

2008-10-21

Rábago, Roberto (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S330100, C525S330300, C525S342000, C528S480000, C528S481000

Reexamination Certificate

active

07439308

ABSTRACT:
A method for producing a (meth)acrylic polymer having crosslinkable silyl groups at the termini, comprising a step of adding a hydrosilane compound having a crosslinkable silyl group to an alkenyl-terminated (meth)acrylic polymer (A), which is prepared by atom transfer radical polymerization, in the presence of a platinum hydrosilylation catalyst. The amount of the platinum hydrosilylation catalyst is 0.1 to 10 mg on a platinum metal basis per kilogram of the alkenyl-terminated (meth)acrylic polymer (A). An object of the invention is to provide a method for producing a (meth)acrylic polymer having terminal crosslinkable silyl.

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European Supplemental Search Report dated Nov. 5, 2007, EP 03719143.

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