Modified polyolefin resin and a composition containing the same

Details Modified polyolefin resin and a composition containing the same Modified polyolefin resin and a composition containing the same

1986-06-26

1988-08-09

Seccuro, Carman J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 78, 525 80, 525 71, 525 72, 525 73, 525282, 525285, 525286, 525288, 525301, 525309, 525 81, 525304, 525 75, 525 77, 525289, 525296, 525303, C08F25508, C08F25510, C08L 5106, C08L 2300

Patent

active

047628820

ABSTRACT:
A modified polyolefin resin and a composition containing therein such modified polyolefin, having excellent adhesive property and heat-sealing property at the time of high speed forming operations, the modified polyolefin resin consisting essentially of: a copolymer of ethylene and .alpha.-olefin having 4 or more carbon atoms, the copolymer having a density in a range of from 0.890 to 0.910 g/cm.sup.3, a ratio of a weight-average molecular weight (Mw) to a number-average molecular weight (Mn) of Mw/Mn=2 to 15, and a product of a melt tension (g) and a melt-index (g/10 min.) of a molten resin measured at 160.degree. C. of 4 or below; and unsaturated carboxylic acid or derivatives thereof grafted on the ethylene type copolymer at a ratio of from 0.01 to 3% by weight.

REFERENCES:
patent: 4011382 (1977-03-01), Levine et al.
patent: 4330639 (1982-05-01), Matsuura et al.
patent: 4440911 (1984-04-01), Inoue et al.
patent: 4612155 (1986-09-01), Wong et al.
patent: 4619972 (1986-10-01), Inoue et al.

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