Polyacetal resin composition and process for producing same

Details Polyacetal resin composition and process for producing same Polyacetal resin composition and process for producing same

2007-02-27

2007-02-27

Sanders, Kriellion (Department: 1714)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S094000, C524S300000, C524S359000, C524S394000, C524S404000

Reexamination Certificate

active

10538121

ABSTRACT:
About 0.001 to 5 parts by weight of an antioxidant and about 0.001 to 10 parts by weight of a guanamine compound having at least one unit represented by the following formula (1) or a salt thereof relative to 100 parts by weight of a polyacetal resin are mixed and constitute a resin composition. The resin composition may further comprise a processing stabilizer, a heat stabilizer, a weather-resistant stabilizer, a coloring agent, a gloss control agent, an impact resistance improver, a slide improver, a filler, and/or the like.Wherein R1and R2are the same or different and each represents a hydrogen atom or an alkyl group, and “m” denotes an integer of not less than 2.

REFERENCES:
patent: 4526921 (1985-07-01), Sakurai et al.
patent: 4843115 (1989-06-01), Auerbach et al.
patent: 6673405 (2004-01-01), Harashina
patent: 10-67942 (1998-03-01), None
patent: 2000-119485 (2000-04-01), None
patent: 2002-201334 (2002-07-01), None
patent: 2004-43610 (2004-02-01), None

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