Polyacetal compositions containing at least one acetylated hinde

Details Polyacetal compositions containing at least one acetylated hinde Polyacetal compositions containing at least one acetylated hinde

1992-11-16

1999-11-09

Sanders, Kriellion

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 91, 524102, 524205, 524287, C08K 534

Patent

active

059816350

ABSTRACT:
Incorporation into polyacetal compositions of at least one hindered amine light stabilizer which contains a hindered nitrogen that is acetylated results in a composition having good light stability, thermal stability, and physical property retention after exposure to heat and air.

REFERENCES:
patent: 4241208 (1980-12-01), Murayama et al.
patent: 4439565 (1984-03-01), Winter et al.
patent: 4730015 (1988-03-01), Ikenaga et al.
patent: 4766168 (1988-08-01), West
patent: 4814397 (1989-03-01), Novak
patent: 5011890 (1991-04-01), Novak
Tinuvin.RTM. 440 UV Light Stabilizer for Acid Catalyzed Coatings--Ciba-Geigy (7 Pages) Document A5215M97.

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