Polymer blends and laminates and adhesive films prepared therefr

Details Polymer blends and laminates and adhesive films prepared therefr Polymer blends and laminates and adhesive films prepared therefr

1983-03-08

1983-11-22

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428284, 4283177, B32B 2700

Patent

active

044169370

ABSTRACT:
Polymer blends are provided which are characterized by good processability on conventional extrusion equipment to provide films having excellent adhesion to various substrates while still exhibiting good non-blocking properties during film manufacture, storage, shipment and use. Such blends comprise, based upon the total blend weight, from 5 to about 90 weight percent of a high melt index adhesive resin; from about 5 to about 90 weight percent of a relatively low melt index adhesive resin; and from about 5 to about 70 weight percent of non-adhesive resin having a melt index of from about 3 to about 10.

REFERENCES:
patent: 3445546 (1969-05-01), Pledger
patent: 3485783 (1969-12-01), Hehe
patent: 3654207 (1972-04-01), Arabian et al.
patent: 4136069 (1979-01-01), Vachon et al.
patent: 4185050 (1980-01-01), Lozear et al.
patent: 4337298 (1982-06-01), Karim et al.

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