Polyacetal compositions stabilized with microcrystalline or fibr

Details Polyacetal compositions stabilized with microcrystalline or fibr Polyacetal compositions stabilized with microcrystalline or fibr

1990-06-11

1992-04-21

Schofer, Joseph L.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 36, 524377, 524386, 524387, C08L 5900, C08L 108

Patent

active

051068885

ABSTRACT:
Incorporation of 0.05 to 5 weight percent of a microcrystalline or fibrous cellulose having an average particle size of 100 microns or less and 0.05 to 4 weight percent of at least one co-stabilizer compound selected from the group consisting of polyamides and polymers or oligomers containing hydroxy groups into polyacetal molding compositions results in improved thermal stability of such compositions.

REFERENCES:
patent: 3406129 (1968-10-01), Price
patent: 3406130 (1968-10-01), Neff
patent: 4111887 (1978-09-01), Shaner et al.
patent: 4766168 (1988-08-01), West
patent: 4772662 (1988-09-01), Collart et al.
patent: 4814397 (1989-03-01), Novak
Co-pending U.S. patent application Ser. No. 07/327,664, filed Mar. 17, 1989.
Co-pending U.S. patent application Ser. No. 07/366,558, filed Jun. 15, 1989.

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