Shaped article composed of an acrylic rubber composition

Details Shaped article composed of an acrylic rubber composition Shaped article composed of an acrylic rubber composition

2008-08-26

2011-12-27

Bernshteyn, Michael M (Department: 1762)

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

Synthetic resins

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

C525S208000, C525S329100, C525S329700, C525S329900, C525S374000, C526S317100

Reexamination Certificate

active

08084542

ABSTRACT:
An acrylic rubber comprised of a copolymer comprising 0.1 to 20% by weight of (A) units of a butenedioic acid monoester monomer having an alicyclic structure and 50 to 99.9% by weight of (B) units of at least one kind of monomer selected from acrylic acid ester monomers and methacrylic acid ester monomers. A crosslinkable acrylic rubber composition comprising the acrylic rubber and a crosslinking agent, especially a polyamine crosslinking agent, has good process-stability and good shapability and gives a shaped article having high heat resistance and exhibiting reduced permanent set.

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