Synthetic polymer stabilizers

Details Synthetic polymer stabilizers Synthetic polymer stabilizers

1976-11-05

1978-10-03

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 458NT, 26029363, 26029387, 26029388, C07D21100, C07D40112, C08K 534

Patent

active

041183681

ABSTRACT:
Novel derivatives of 4-amino-2,6-dimethylpiperidine have additional methyl or substituted-methyl substituents at positions 2 and 6, and a carboxylate ester substituent at position 4. Positions 1 and 3, and the amino group at position 4, can optionally also be substituted. These derivatives are useful for stabilizing synthetic polymers, especially polyolefins, polyamides and polyurethanes, against photo- and thermal-deterioration, generally in an amount of 0.01 - 5.0% by weight based on the polymer.

REFERENCES:
patent: 3684765 (1972-08-01), Matsui et al.
patent: 3850877 (1974-11-01), Cook
patent: 3904581 (1975-09-01), Murayama et al.
patent: 3959291 (1976-05-01), Cook
patent: 3993470 (1976-11-01), Devaux et al.
patent: 4064102 (1977-12-01), Hillard et al.
Joss et al., J. Org. Chem., vol. 37, No. 12, 1972, pp. 2015-2018.
Rassat et al., Chem. Abs., vol. 70, 1969, 3846m.

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