Stabilizer mixtures for polyolefins

Details Stabilizer mixtures for polyolefins Stabilizer mixtures for polyolefins

2005-03-22

2005-03-22

Mulcahy, Peter D. (Department: 1713)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S097000, C524S098000, C524S100000, C524S102000, C524S103000, C252S401000, C252S405000

Reexamination Certificate

active

06869992

ABSTRACT:
A stabilizer mixture containing (A) a sterically hindered amine compound, and (B) a polymer containing polar residues, the weight ratio of components (A) (B) being 20:1 to 1:20, with the provisos that, (1) component (B) is different from component (A) and does not contain groups of formulae (I) or (II) in which G is hydrogen or methyl, and G1and G2, independently of one another, are hydrogen, methyl or together are a substituent ═O; and (2) component (B) is different from a polymer having an acidic hydrogen atom.

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