Polypropylene composition

Details Polypropylene composition Polypropylene composition

1989-11-28

1991-08-20

Seccuro, Carman J.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

4284761, 525 71, 525 66, 525 57, 524504, B32B 2708, B32B 2728, C08L 5106, C08L 5300

Patent

active

050413384

ABSTRACT:
The present invention relates to a polypropylene composition useful as an adhesive comprising a modified polypropylene resin graft-modified with from about 0.01 wt. % to about 2 wt. % of a radical-polymerizable unsaturated compound and a crystalline propylene/ethylene block copolymer containing from about 10 wt. % to about 50 wt. % of a propylene/ethylene random copolymer having an ethylene content of from about 20 wt. % to about 90 wt. %. The resin composition is particularly suitable for bonding a polypropylene resin layer and an ethylene/vinyl alcohol copolymer layer, and a polypropylene resin layer and a polyamide resin layer.

REFERENCES:
patent: 3041169 (1962-06-01), Wielicki
patent: 3216844 (1965-11-01), King
patent: 3384488 (1968-05-01), Tulagin et al.
patent: 4510286 (1985-04-01), Liu
patent: 4774144 (1988-09-01), Jachec et al.

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