Crosslinking agent for acrylic rubber

Details Crosslinking agent for acrylic rubber Crosslinking agent for acrylic rubber

1995-05-05

1996-08-20

Zitomer, Fred

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

Synthetic resins

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

525343, 525351, 525346, 525374, 525381, 525472, 564 15, 564 32, 564 60, 564 61, C08C 1922, C08C 1920, C08F 834, C08F 832

Patent

active

055480322

ABSTRACT:
A crosslinking agent suitable for acrylic rubbers, particularly for acrylic rubbers containing units of a cyanoacetic acid comonomer or a malonic acid comonomer for imparting a crosslinkability, which comprises a reaction product of formaldehyde or a polymerized formaldehyde with urea or thiourea in the presence of an acidic catalyst.

REFERENCES:
patent: 3365468 (1968-01-01), Feichtinger
patent: 3960983 (1976-01-01), Blank
patent: 4248985 (1981-02-01), Ohishi
patent: 4439587 (1984-03-01), Martinez
patent: 4837273 (1989-06-01), Wamprecht
patent: 5154914 (1979-05-01), Kuraya

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