2,2,6,6-Tetramethyl piperidyl-4-phosphites as stabilizers for or

Details 2,2,6,6-Tetramethyl piperidyl-4-phosphites as stabilizers for or 2,2,6,6-Tetramethyl piperidyl-4-phosphites as stabilizers for or

1976-08-16

1978-06-20

Marquis, Melvyn I.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 458NE, 26029363, 26029364, 544192, C07D21106, C08K 534, C08K 535, C08K 552

Patent

active

040961141

ABSTRACT:
Organic phosphites are provided having at least one 2,2,6,6-tetramethyl piperidyl substituent attached at the 4-position to phosphorus through oxygen, and at least one polyol or polyphenol group, which are superior light and heat stabilizers for organic polymeric mterials such as polyethylene, polypropylene, polyvinyl chloride, acrylonitrile-butadiene-styrene terpolymers, polyamides, polystyrene, and similar polymers.

REFERENCES:
patent: 3975462 (1976-08-01), Murayama et al.

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