Cool-applied hot melt adhesive composition

Details Cool-applied hot melt adhesive composition Cool-applied hot melt adhesive composition

1995-01-06

1997-09-23

Smith, Jeffrey 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...

524275, 524277, 524481, 524487, 524489, C08L 9106

Patent

active

056705662

ABSTRACT:
A carton, case or tray formed utilizing a hot melt adhesive composition said adhesive consisting essentially of a) 10 to 60% by weight of at least one ethylene n-butyl acrylate copolymer containing 25 to 45% by weight n-butyl acrylate and having a melt index of at least about 850; b) 20 to 60% of a rosin ester tackifying resin; c) 10 to 50% by weight of a microcrystalline or paraffin wax having a melting point of 150.degree. to 200.degree. F.; d) 1 to 20% by weight of a polymeric additive selected from the group consisting of ethylene vinyl acetate containing 10 to 40% by weight vinyl acetate, ethylene methyl acrylate polymers containing 10 to 28% methyl acrylate, ethylene acrylic acid copolymers having an acid number of 25 to 150, polyethylene, polypropylene, poly-(butene-1-co-ethylene), and lower melt index ethylene n-butyl acrylate copolymers; and e) 0 to 1.5% stabilizer, said adhesive characterized by a viscosity of less than 3000 cps at 135.degree. C., fiber tearing bonds from within the range of -35.degree. to 40.degree. C.

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Skeist, Irving PhD Handbook of Adhesives, 3rd ed. Van Nostrand Reinhold NY 1990 pp. 408-414.

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