Rubbery polymer with improved properties

Details Rubbery polymer with improved properties Rubbery polymer with improved properties

2006-08-22

2006-08-22

Egwim, Kelechi C. (Department: 1713)

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C524S461000, C524S504000, C524S515000, C524S517000, C524S523000, C524S527000, C524S548000, C524S558000, C524S561000, C524S565000, C524S577000

Reexamination Certificate

active

07094824

ABSTRACT:
The present invention discloses a rubbery polymer having improved properties, which is comprised of repeat units which are comprised of (a) butyl acrylate, or optionally a mixture of butyl acrylate and 2-ethylhexyl acrylate containing up to about 40 percent 2-ethylhexyl acrylate, (b) at least one member selected from the group consisting of methyl methacrylate, ethyl methacrylate, methyl acrylate, and ethyl acrylate, (c) optionally, about 0% to about 40% of an alkoxy ethyl acrylate or an alkoxy ethyl methacrylate, (d) acrylonitrile, (e) styrene, and (f) a crosslinking agent; wherein about 1% to about 10% of a monomer containing reactive cure sites selected from the group consisting of hydroxyl groups, glycidyl groups, carboxylic acid groups, and unsaturated cure sites is incorporated into the rubbery polymer.

REFERENCES:
patent: 3833683 (1974-09-01), Dickie et al.

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