Polyacetal resin composition

Details Polyacetal resin composition Polyacetal resin composition

1994-11-21

1996-03-26

Yoon, Tae

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 96, 524 99, 524100, 524102, 524359, 524377, 524512, 524593, C08K 534, C08K 507

Patent

active

055020933

ABSTRACT:
Polyacetal resin compositions have excellent weather resistance and environment resistance, which suppress resin deterioration/discoloration, crack and discoloration caused by additive bleeding during extended exposure to light while maintaining the initial molded product surface condition. The polyacetal compositions include a blend of (A) 100 parts by weight of a polyacetal resin, with the specific amounts of (B) an acrylic resin, (C) an oxyalkylene polymer having chains of 2 to 8 consecutive carbon atoms, (D) a UV absorber and (E) two kinds of the hindered amine compounds each having a different molecular weight.

REFERENCES:
patent: 4351916 (1982-09-01), Kohan
patent: 4446263 (1984-05-01), Bryant
patent: 4975478 (1990-12-01), Okuda
patent: 5118734 (1992-06-01), Katsumata
patent: 5149723 (1992-09-01), Hayes
patent: 5208279 (1993-05-01), Katsumata
patent: 5212222 (1993-05-01), Mitsuuchi et al.
patent: 5258431 (1993-11-01), Katsumata et al.

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