Stabilisation of polyphenylene ethers with macrocyclic polyalkyl

Details Stabilisation of polyphenylene ethers with macrocyclic polyalkyl Stabilisation of polyphenylene ethers with macrocyclic polyalkyl

1988-06-28

1991-04-02

Morgan, Kriellion

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 90, 524100, C08K 5349.2, C08K 5349.3

Patent

active

050047590

ABSTRACT:
Macrocyclic polyaminotriazines containing tetramethylpiperidine side groups are suitable for use as stabilisers, in particular against degradation by UV light, for polyphenylene ethers. They have the advantage that they do not impair, or impair only to an insignificant degree, the dimensional stability under heat of these polymers.

REFERENCES:
patent: 3383435 (1968-05-01), Cizek
patent: 3925509 (1975-12-01), Cooper et al.
patent: 4442250 (1984-04-01), Canlatore
patent: 4665112 (1987-05-01), Berdahl

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