Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1989-05-09
1990-12-18
Seccuro, Carman J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
5253261, 5253317, 5253319, C08F 800, C08F25506, C08F27902, C08F28700
Patent
active
049787217
ABSTRACT:
Novel heat-curable elastomeric polymers comprise an elastomeric base polymer modified by the presence on the elastomeric base polymer molecule of at least one pendant carboxylic acid ester group wherein the ester moiety is alkyl arylcyclobutene. In a preferred embodiment, the base polymer is a selectively hydrogenated block copolymer of the poly-(vinylaromatic compound)/polyalkadiene type, and the ester moiety is methylbenzocyclobutene.
REFERENCES:
patent: 4766180 (1988-08-01), Wong
Seccuro Carman J.
Shell Oil Company
Vance Dean F.
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