Pressure sensitive adhesive compositions

Details Pressure sensitive adhesive compositions Pressure sensitive adhesive compositions

1981-11-09

1982-11-30

Marquis, Melvyn I.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 60, 524 66, 524 68, 524 71, 525 545, C08L 9108

Patent

active

043616631

ABSTRACT:
This invention relates to pressure sensitive adhesive compositions which includes a hydrogenated block copolymer such as Kraton G, about 25 to about 250 parts by weight of a hydrocarbon resin of a petroleum or coal tar distillate, aliphatic dienes and mono- and diolefins, cyclic olefins of 5 or 6 carbon atoms and hydrogenated poly cyclics per 100 parts by weight of the hydrogenated block copolymer, and about 25 to 200 parts by weight of a polybutene or polyisobutylene per 100 parts of the hydrogenated block copolymer, wherein said mixture of Kraton G, said hydrocarbon resin and said polybutene or polyisobutylene are dissolved in a non-reactive solvent at a concentration level of about 5 to about 25 grams per 100 mil of non-reactive solvent.

REFERENCES:
patent: 3767608 (1973-10-01), Hand
patent: 3801531 (1974-04-01), Berejka et al.

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