Piperidyl organosiloxanes and polymer substrates light-stabilize

Details Piperidyl organosiloxanes and polymer substrates light-stabilize Piperidyl organosiloxanes and polymer substrates light-stabilize

1992-07-01

1998-02-24

Dean, Karen A.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524102, 524103, 528 15, 528 26, 528 29, 546 14, C07F 702, C08K 534, C08G 7706

Patent

active

057212970

ABSTRACT:
Novel piperidyl organosiloxanes, well adapted for the light/UV-stabilization of a wide variety of polymer substrates, e.g., polyolefins and polyalkadienes, have the structural formula (I): ##STR1##

REFERENCES:
patent: 4177186 (1979-12-01), Rody et al.
patent: 4772708 (1988-09-01), DiBattista et al.
patent: 4778838 (1988-10-01), Greco et al.
patent: 4831134 (1989-05-01), Winter et al.
patent: 4859759 (1989-08-01), Maycock et al.
patent: 4920168 (1990-04-01), Nohr et al.
patent: 4923914 (1990-05-01), Nohr et al.
An excerpt from patent application 07/181,623, pp. 14-19.
An Abstract of AU 8932719-A Oct. 19, 1989 (8950).
Abstract of Australian Patent Application 89-32,719.

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