Phosphonate stabilizers

Details Phosphonate stabilizers Phosphonate stabilizers

1977-11-17

1979-03-13

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 4575G, 260 4575M, 260 4575Q, 260 4575R, 260 4575W, 260 458NE, 260 458N, 544 64, 544129, 544130, 542424, 546 22, 546 2, 546 24, C07D21144, C07D21158, C08K 534, C08K 553

Patent

active

041442245

ABSTRACT:
New amino phosphonates, containing 2,2,6,6-tetrasubstituted-piperidino moieties and processes for their manufacture are disclosed. These compounds are employed to stabilize organic materials such as polyolefins, polyamides and polyurethanes against degradation from the action of oxygen, heat and light.

REFERENCES:
patent: 3684765 (1972-08-01), Matsui et al.
patent: 3759926 (1973-09-01), Chalmers et al.
patent: 3852297 (1974-12-01), Moser et al.
patent: 3937711 (1976-02-01), Cook
patent: 3959326 (1976-05-01), Moser et al.
patent: 4001181 (1977-01-01), Ramey et al.

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