Natural rubber containing compositions with increased tear stren

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...

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Details

524445, 524451, 524493, 524496, 524521, 524522, 524533, C08K 304, C08K 336

Patent

active

045858268

ABSTRACT:
Including certain carboxy-terminated butadiene-acrylonitrile copolymers in natural rubber formulations increases their tear strength, and hardness properties.

REFERENCES:
patent: 3837904 (1974-09-01), Hill
patent: 4088708 (1978-05-01), Rien
patent: 4204984 (1980-05-01), Neubert
patent: 4287928 (1981-09-01), Hallman
patent: 4303715 (1981-12-01), Chang
patent: 4311759 (1982-01-01), Glennon
patent: 4433094 (1984-02-01), Ogawa et al.
patent: 4485198 (1984-11-01), Hamed
Derwent Abstract 84-021184/04, 12-10-83 (J58213042).

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