Ozone and wear resistance in styrene-butadiene rubber

Details Ozone and wear resistance in styrene-butadiene rubber Ozone and wear resistance in styrene-butadiene rubber

1988-02-04

1990-02-27

Bleutge, John C.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

522 3, 522 71, 522 79, 522 81, 522121, 522128, 525284, C08F27902, C08J 328, C08K 330

Patent

active

049044222

ABSTRACT:
SBR is treated with sulfur, an optional chemical accelerator and a crosslinking agent, under mild heat, to form a preform having sufficient strength to resist handling. The preform is exposed to substantial irradiation on the order of 5-25 Mrad dose of 10 MeV electrons equivalent, which significantly improves wear resistance, tear strength, crack initiation and growth resistance and ozone resistance.

REFERENCES:
patent: 4122137 (1978-10-01), Bohm
patent: 4569382 (1988-02-01), Maxey
patent: 4725646 (1988-02-01), Kobashi

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