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...
Patent
1993-02-23
1994-07-19
Michl, Paul R.
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, 524481, 524484, 524487, 524489, C08L 9106
Patent
active
053310330
ABSTRACT:
Hot melt packaging adhesive compositions consisting essentially of 20 to 50% by weight of an ethylene n-butyl acrylate copolymer containing 25-45% by weight, preferably 30 to 40% n-butyl acrylate and having a melt index of at least 10; 30 to 60% of an aliphatic or cycloaliphatic hydrocarbon resin or hydrogenated derivative thereof or a hydrogenated aromatic hydrocarbon resin; and 10 to 30% by weight of a high melting synthetic wax provide adhesives characterized by an excellent balance of high and low temperature performance without sacrifice to machinability or thermal stability. Further, the adhesive is characterized by a low density and consequently is readily filterable in recycling systems.
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Kauffman Thomas F.
Puletti Paul P.
Stauffer Daniel
Dec Ellen T.
DeWitt LaVonda R.
Michl Paul R.
National Starch and Chemical Investment Holding Corporation
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