Polyvinyl alcohol - crystalline solvent system based composition

Chemistry of carbon compounds – Miscellaneous organic carbon compounds

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260 27EV, 260 302, 260 326R, 525 57, 525 60, 525 56, C08L 9300, C08L 9304

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active

042934737

ABSTRACT:
Solid adhesive compositions consisting essentially of polyvinyl alcohol or ethylene/vinyl alcohol copolymer, and at least two component crystalline solvent system (such as urea and .epsilon.-caprolactam), ethylene polymer and optionally thermoplastic tackifier and carboxylic acid are disclosed. Outstanding adhesive properties with cellulosics, spun bonded polyolefins, aluminum foil and polyester film substrates have been obtained.

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patent: 4131581 (1978-12-01), Coker
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Derwent Abst. 57508, (French 2396790 enclosed), "Polyvinyl Alcohol Adhesive Comp. Containing Solid Solvent, Diluent, Filler, " 3-9-79, Du Pont.

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