Laminating composition and uses

Details Laminating composition and uses Laminating composition and uses

1979-07-11

1981-07-21

Lieberman, Allan

Compositions: coating or plastic

Coating or plastic compositions

Natural resin or derivative containing

260 27R, 260 285A, 260 285C, C08L 2312, C08L 7108, C08L 9304

Patent

active

042796598

ABSTRACT:
A composition useful in lamination, the process of applying this composition, and the resulting laminated structure. This composition comprises (1) a microcrystalline-type wax, for example melting from about 140.degree.-200.degree. F. (2) a resin, for example petroleum polymer resins, terpene polymer resins, rosin and rosin esters, having a molecular weight of about 800 to 2,000 and (3) atactic polypropylene. The composition comprises about 20-40% of atactic polypropylene; about 10-25% of polymer resin; the balance (30-70%) being microcrystalline wax. This composition is applied and the plys joined together at a temperature above about 225.degree. F. to yield a laminated structure having optimum properties, particularly excellent hot peeling strength.

REFERENCES:
patent: 3492372 (1970-01-01), Flanagan
patent: 3573240 (1971-05-01), Flanagan
patent: 3577372 (1971-05-01), Flanagan
patent: 3798118 (1974-03-01), Jones

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