Heat sealable blend of very low density polyethylene or plastome

Details Heat sealable blend of very low density polyethylene or plastome Heat sealable blend of very low density polyethylene or plastome

1993-04-23

1994-10-25

Seccuro, Jr., Carman J.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

525240, 4284769, 428483, C08L 2308, C08L 2310, B32B 2732, B32B 2700

Patent

active

053587928

ABSTRACT:
Disclosed are heat sealable compositions comprising: (a) from about 30 to about 70 weight percent a low melting polymer comprising an ethylene based copolymer having a density of from about 0.88 g/cm.sup.3 to about 0.915 g/cm.sup.3, a melt index of from about 1.5 dg/min to about 7.5 dg/min, a molecular weight distribution no greater than about 3.5, and a composition breadth index greater than about 70 percent; and, (b) from about 70 to about 30 weight percent of a propylene based polymer having from about 88 mole percent to about 100 mole percent propylene and from about 12 mole percent to about 0 mole percent of an alpha-olefin other than propylene. Further disclosed are films and articles made thereof.

REFERENCES:
patent: 4291092 (1981-09-01), Weiner
patent: 4339496 (1982-07-01), Weiner
patent: 4340640 (1982-07-01), Weiner
patent: 4340641 (1982-07-01), Weiner
patent: 4405774 (1983-09-01), Miwa et al.
patent: 4612300 (1986-09-01), Coleman et al.
patent: 4643945 (1987-02-01), Kiang
patent: 4668752 (1987-05-01), Tominari et al.
patent: 4734328 (1988-03-01), Kohyama
patent: 4937299 (1990-06-01), Ewen et al.

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