Heat sealable thermoplastic film forming compositions

Details Heat sealable thermoplastic film forming compositions Heat sealable thermoplastic film forming compositions

1974-06-07

1976-02-10

Tillman, Murray

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 807, C08L 2316, C08L 4700

Patent

active

039377628

ABSTRACT:
A resinous blend composition, and thermoplastic film structures fabricated therefrom having improved physical properties, comprising a polyolefin (e.g., polypropylene & copolymers thereof with ethylene) containing a minor amount based on the weight of the polyolefin and sufficient to improve the heat sealing characteristics of films fabricated from such blends, of a normally solid, resinous, random multipolymer of a mixture comprising pentadiene, 1,3 and at least one other hydrocarbon compound containing ethylenic unsaturation copolymerizable therewith. Examples of such ethylenically unsaturated hydrocarbons include cyclopentadiene, isoprene, 2-methylbutene-2, tertiary butylstyrene, .beta.-pinene, dipentene, .beta.-phellandrene, .alpha.-methylstyrene, and mixtures thereof.

REFERENCES:
patent: 2927904 (1960-03-01), Cooper
patent: 3278646 (1966-10-01), Lambert, Jr.
patent: 3478005 (1969-11-01), Wheeler
patent: 3509239 (1970-04-01), Tindall

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