Adhesive resin composition

Details Adhesive resin composition Adhesive resin composition

1992-02-25

1994-03-22

Seccuro, Jr., 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...

525197, 525198, 525 74, C08L 2326

Patent

active

052965520

ABSTRACT:
An adhesive resin composition is obtained by mixing at least one member (C) selected from the group consisting of unsaturated carboxylic acids and the derivatives thereof, a free-radical initiator (D), and a mixture consisting of a crystalline polyolefin resin (A) and an amorphous or low crystalline olefin copolymer of ethylene and an .alpha.-olefin (B), to obtain a precursor mixture, melt-kneading the precursor mixture in the first half of an extruder having at least one side feeder, to obtain a modified precursor mixture, and feeding a crystalline polyolefin resin (E) from the side feeder of the extruder and mixing the resin (E) with the modified precursor mixture.
The adhesive resin composition has good extrudability and exhibits high adhesive property to polar materials such as polar polymeric materials and the like.

REFERENCES:
patent: 3868433 (1975-02-01), Bartz et al.
patent: 4735988 (1988-04-01), Takada et al.
patent: 4985502 (1991-01-01), Izumi et al.

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