UV-stabilization of polymers using nitro compounds

Details UV-stabilization of polymers using nitro compounds UV-stabilization of polymers using nitro compounds

1990-08-02

1992-06-16

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 91, 524103, 524259, 524260, 524336, 525167, 5253315, 5253336, 525377, C08K 53435, C08L 2336

Patent

active

051225557

ABSTRACT:
Polyolefins are stabilized against UV-deterioration by mixing therewith a hindered C-nitro compound having a molecular weight above 500. In a preferred embodiment the hindered C-nitro compound is a nitrated polyolefin. A conventional UV-stabilizer, such as a substituted benzophenone or a hindered piperidine, may be used in combination with the hindered C-nitro compound.

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