Petroleum resins and their production

Details Petroleum resins and their production Petroleum resins and their production

1989-04-03

1991-02-19

Jacobs, Lewis T.

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...

524277, 524488, 524489, 524487, C08L 9106

Patent

active

049945165

ABSTRACT:
Hot melt adhesives comprising ethylene/vinyl acetate copolymer, wax, and a resin containing 5 to 80 wt. % of units derived from olefinically unsaturated aromatic compounds, 5 to 80 wt. % of units derived from C.sub.5 or C.sub.6 olefines or diolefines or a mixture thereof, and from 7 to 45% of units derived from a terpene. The hot melt adhesive composition has improved color and compatibility over ethylene/vinyl acetate copolymer and wax blends containing resins of significant portions of cyclopentadiene or dicyclopentadiene. The hot melt adhesive of the invention also show improved adhesive properties on substrate such as glass and aluminum.

REFERENCES:
patent: 4022723 (1977-05-01), Hokama et al.
patent: 4105611 (1978-08-01), Orth, Jr.
patent: 4156762 (1979-05-01), Kudo et al.
patent: 4581392 (1986-04-01), Armstrong et al.
patent: 4772650 (1988-09-01), Ou-Yang

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