Styrene/butadiene graft copolymer latex and heat-vulcanizable co

Details Styrene/butadiene graft copolymer latex and heat-vulcanizable co Styrene/butadiene graft copolymer latex and heat-vulcanizable co

1988-01-20

1993-02-16

Schofer, Joseph L.

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...

523201, 525316, 525902, 521 71, C08L 908

Patent

active

051872218

ABSTRACT:
A stryrene/butadiene graft copolymer latex has a graft substrate component with a comparatively high content of repeating units obtained by polymerization of styrene. The graft copolymer exhibits correspondingly comparatively hard and soft regions with a high and a low Tg, respectively.
Vulcanizable compositions based thereon can be used for production of latex foams distinguished by a low compression set in a temperature range from 20.degree. to 70.degree. C., a high tensile strength, and a high elongation at break, and by a high compression resistance.

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"Emulsionspolymerisation und Kunststoff-Latices"; Fikentscher et al. (Translation).

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