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
1985-05-15
1987-03-31
Lieberman, Allan M.
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...
524270, 525210, 525221, C08L 2308, C08L 3302, C08L 1304
Patent
active
046543899
ABSTRACT:
Hot melt adhesive compositions consisting essentially of (a) a copolymer of ethylene and at least one unsaturated carboxylic acid such as acrylic or methacrylic acid, the copolymer containing from 12% to about 30% by weight of the acid; and (b) a tackifier which is compatible with the copolymer and which imparts adhesive strength to the composition when it is applied as a hot melt to a substrate of aluminum, glass, nylon, galvanized steel, polypropylene, polyvinyl chloride or polyacrylonitrile-butadiene-styrene, the tackifier being selected from the group consisting of: (i) rosins having an acid number of at least about 80 and rosins diluted with an aromatic hydrocarbon resin to have an acid number above approximately 80, and (ii) terpene resins.
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Graham Stephen L.
Plunkett David O.
Lieberman Allan M.
The Dow Chemical Company
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