Polymeric molding compositions having the high impact strength

Details Polymeric molding compositions having the high impact strength Polymeric molding compositions having the high impact strength

1981-04-24

1982-04-27

Ziegler, J.

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

Synthetic resins

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

525177, 525445, C08L 5108

Patent

active

043271987

ABSTRACT:
Disclosed are compositions comprising blends of (a) a polyester having an inherent viscosity of about 0.4-1.5, (b) about 5 to about 35 weight %, based on the weight of the composition, of polyethylene having a melt index of about 0.1-15.0 and a density of about 0.910-0.965, and (c) about 0.25 to about 5 weight %, based on the weight of the composition, of poly(tetramethylene terephthalate)-co-2-butene-1,4-diol having an inherent viscosity of 0.9 to 1.5 grafted with a low density polyethylene. These compositions are especially useful as molding compositions because of their high impact strength.

REFERENCES:
patent: 3657389 (1972-04-01), Caldwell et al.
patent: 4081422 (1978-03-01), Cordes et al.

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