Three-component polymer blends and adhesive films prepared there

Details Three-component polymer blends and adhesive films prepared there Three-component polymer blends and adhesive films prepared there

1980-12-12

1983-03-15

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...

525221, 525222, 525223, 525227, 525228, 525229, C08L 2306, C08L 2308, C08L 3302

Patent

active

043768458

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), Kehe
patent: 3654207 (1972-04-01), Arabian et al.
patent: 4136069 (1979-01-01), Vachon et al.
patent: 4185050 (1980-01-01), Lozear et al.

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