Heat-resistant overwrap film from 4-methyl-1-pentene and isobuty

Details Heat-resistant overwrap film from 4-methyl-1-pentene and isobuty Heat-resistant overwrap film from 4-methyl-1-pentene and isobuty

1993-05-20

1994-08-16

Thibodeau, Paul J.

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...

525191, 4284111, C08J 510

Patent

active

053387929

ABSTRACT:
The improved heat-resistant overwrap film is formed from a resin composition that comprises (A) 98-70 parts by weight of a 4-methyl-1-pentene based polymer, (B) 1-15 parts by weight of an isobutylene based polymer having a kinematic viscosity of 2-5000 cSt at 100.degree. C., and (C) 1-15 parts by weight of a butene-1 based solid polymer, with the sum of (A)+(B)+(C) being 100 parts by weight. The film is excellent in heat resistance, flexibility, tackiness and transparency.

REFERENCES:
patent: 4546150 (1985-10-01), Shigemoto
patent: 4988558 (1991-01-01), Shigemoto
patent: 5077123 (1991-12-01), Shigemoto
Encyclopedia of Polymer Science and Engineering, vol. 7, p. 88, copyright 1987 publ. John Wiley & Sons.

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