Polyesters of N,N-di-alkanol-amines with di-(hydroxy-alkyl-benzy

Details Polyesters of N,N-di-alkanol-amines with di-(hydroxy-alkyl-benzy Polyesters of N,N-di-alkanol-amines with di-(hydroxy-alkyl-benzy

1980-11-05

1982-11-30

Phynes, Lucille M.

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

Synthetic resins

From carboxylic acid or derivative thereof

528176, 528184, 528291, 525177, 525425, 525440, C08G 6944

Patent

active

043616950

ABSTRACT:
New polyesters of N,N-di-alkanol-amines with di-(hydroxy-alkyl-benzyl) malonic acids are disclosed.
The new polyesters are useful for stabilizing thermoplastic polymers, in particular polyolefins, against sunlight, heat and oxidation.
A process for producing the new polyesters is also disclosed, as well as the polymeric compositions stabilized with said new polyesters.

REFERENCES:
patent: 3627725 (1971-12-01), Gilles
patent: 3721704 (1973-03-01), Dexter
patent: 3943106 (1976-03-01), Schmidt et al.
patent: 3993655 (1976-11-01), Rasberger et al.
patent: 4081475 (1978-03-01), Spivack
patent: 4087404 (1978-05-01), Cook

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