Sealant formulations containing high vinyl content hydrogenated

Details Sealant formulations containing high vinyl content hydrogenated Sealant formulations containing high vinyl content hydrogenated

1997-03-05

1998-07-07

Marquis, Melvyn I.

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

Synthetic resins

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

525 99, 5253333, C08C 1902

Patent

active

057770433

ABSTRACT:
This invention provides sealant compositions which comprise a hydrogenated styrene-butadiene-styrene (SEBS) block copolymer which has an overall weight average molecular weight of from 30,000 to 300,000, a styrene block weight average molecular weight of from 4000 to 35,000, and a vinyl content of at least 45% by weight (% wt), preferably 45 to 90%, and an adhesion promoting resin. For every 100 parts by weight of copolymer, there should be at least 20 parts of adhesion promoting resin.

REFERENCES:
patent: 5591154 (1997-01-01), Dare et al.
Holden, G.J. Elastomers Plast. (1982) pp. 148-154.

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