Thermoplastic polyoxymethylene molding composition of high tough

Details Thermoplastic polyoxymethylene molding composition of high tough Thermoplastic polyoxymethylene molding composition of high tough

1991-08-07

1993-10-26

Seidleck, James J.

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

Synthetic resins

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

525902, 525 69, C08L 5902, C08L 5904, C08L 5104

Patent

active

052567338

ABSTRACT:
Thermoplastic molding composition composed of A) 50 to 95% by weight of polyoxymethylene, B) 5 to 50% by weight of a rubber-elastic graft copolymer and optionally customary additives, in which the component B) is composed of a rubber-elastic core based on at least one polydiene, which is at least partially crosslinked, and at least one hard graft shell and has a bimodal particle size distribution. Monomers for formation of the graft shell are styrene, (meth)acrylonitrile and/or methyl methacrylate. The moldings produced from the molding compositions possess good tough fracture characteristics even at low temperatures.

REFERENCES:
patent: 4639488 (1987-01-01), Schuette et al.

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