Acetal polymer compositions having improved impact strength

Details Acetal polymer compositions having improved impact strength Acetal polymer compositions having improved impact strength

1985-08-09

1987-05-12

Lieberman, Allan M.

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

Synthetic resins

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

525 63, C08L 5102, C08L 5900, C08L 7504

Patent

active

046651268

ABSTRACT:
The invention relates to acetal polymer molding compositions having improved impact strength and containing lower amounts than the acetal polymer of a thermoplastic polyurethane, e.g. a polyether- or polyester- based polyurethane, and a multiphase composite interpolymer, e.g. comprising an elastomeric acrylic phase onto which is grafted a rigid thermoplastic polymeric phase. The composition is preferably blended at a shear rate of less than about 5000 sec.sup.-1.

REFERENCES:
patent: 4179479 (1979-12-01), Carter, Jr.

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