Toughened polyoxymethylene and shaped articles produced therefro

Details Toughened polyoxymethylene and shaped articles produced therefro Toughened polyoxymethylene and shaped articles produced therefro

1991-06-17

1993-11-30

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...

525 66, 525 80, 525399, 525400, 525401, C08L 5902, C08L 7504, C08L 5104

Patent

active

052666336

ABSTRACT:
The invention relates to a mixture composed essentially of polyoxymethylene (component A), a rubber-elastic graft copolymer in which the particles have been formed from a rubber-elastic, single-phase core based on polydiene and a hard graft shell (component B) and, if appropriate, a polymeric third component (component C). The invention also relates to a three-component mixture of the components A, B' and C, the core, in the case of B', being preponderantly or entirely composed of poly(meth)acrylic acid ester or silicone rubber instead of polydiene.
The shaped articles produced from these mixtures are particularly distinguished by good low-temperature impact strength.

REFERENCES:
patent: 5039741 (1991-08-01), Burg et al.
patent: 5047471 (1991-09-01), Burg et al.

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