Oil gel formulations containing high vinyl content hydrogenated

Details Oil gel formulations containing high vinyl content hydrogenated Oil gel formulations containing high vinyl content hydrogenated

1997-07-30

1999-07-20

Dawson, Robert

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...

523173, C08J 501

Patent

active

059257075

ABSTRACT:
This invention provides oil gel compositions which comprise a hydrogenated styrene-butadiene-styrene (SEBS) block copolymer (although other vinyl aromatic hydrocarbons may be used) 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 oil and, optionally, a polyolefin wax and/or an extender liquid. For every 100 parts by weight of copolymer, there should be at least 900 parts of oil or a mixture of oil and polyolefin wax and/or an extender liquid.

REFERENCES:
patent: Re27145 (1971-06-01), Jones
patent: 3700748 (1972-10-01), Winkler
patent: 3827999 (1974-08-01), Crossland
patent: 3830767 (1974-08-01), Condon
patent: 4833193 (1989-05-01), Sieverding
patent: 4880878 (1989-11-01), Himes et al.
patent: 5191024 (1993-03-01), Shibata et al.
patent: 5300582 (1994-04-01), Debier et al.
patent: 5360350 (1994-11-01), Koblitz et al.
patent: 5508334 (1996-04-01), Chen
European Search Report of Mar. 11, 1997.

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