Core-shell polymer and its use

Details Core-shell polymer and its use Core-shell polymer and its use

1991-09-20

1994-01-18

Michl, Paul R.

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

Synthetic resins

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

523201, 524504, 525261, 525309, 525902, C08F26506, C08L 5902

Patent

active

052800768

ABSTRACT:
The present invention relates to a core-shell polymer which is useful for polyoxymethylene resin, a polyoxymethylene resin composition containing the core-shell polymer and a molded article made of the polyoxymethylene resin.
The core-shell polymer is produced by an emulsion polymerization reaction using an oligomeric surfactant and a neutral radicals-liberating polymerization initiator.
This core-shell polymer makes the molded article be improved on the impact strength, elongation at the weld line, weatherability, thermal stability, etc., and the molded articles is used as various products.

REFERENCES:
patent: 3632466 (1972-01-01), Peaker
patent: 3749755 (1973-07-01), Bronstert
patent: 3862913 (1975-01-01), Sturt
patent: 4639488 (1987-01-01), Schuette et al.
patent: 4713414 (1987-12-01), Busumgar
patent: 4804716 (1989-02-01), Flexman, Jr.
patent: 5039741 (1991-08-01), Burg et al.

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