Novel pressure sensitive adhesive compositions (C-2511)

Details Novel pressure sensitive adhesive compositions (C-2511) Novel pressure sensitive adhesive compositions (C-2511)

1990-09-27

1991-11-19

Schofer, Joseph L.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 66, 524300, 524322, 524394, 524399, 524400, C08L 9500, C08K 509

Patent

active

050666940

ABSTRACT:
This invention relates to a pressure sensitive adhesive compositions which include an emulsion of a metal neutralized sulfonated copolymer of isoprene/sodium styrene sulfonate, wherein the neutralized sulfonated copolymer has about 5 to about 250 meq. of neutralized sulfonate groups per 100 grams of the neutralized sulfonated copolymer, and less than about 50 parts by weight of an emulsion of a preferential polar plasticizer, and less than about 300 parts by weight of an emulsion of a hydrocarbon tackifying resin of a petroleum or coal tar distillate, having about 4 to 12 carbon atoms, wherein the hydrocarbon resin is composed of aliphatic dienes and monoolefins per 100 parts by weight of the neutralized sulfonated copolymer.

REFERENCES:
patent: 4387172 (1983-06-01), Agarwal et al.
patent: 4387174 (1983-06-01), Lundberg et al.

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