Polyalkylenepolyamine having pendant substituted oxo-piperazinyl

Details Polyalkylenepolyamine having pendant substituted oxo-piperazinyl Polyalkylenepolyamine having pendant substituted oxo-piperazinyl

1985-09-20

1987-01-27

Foelak, Morton

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 96, 544 82, 544113, 544198, 544209, C08K 534, C07D25170, C07D25152, C07D40114

Patent

active

046394796

ABSTRACT:
A polyalkylenepolyamine ("PAPA") main chain having pendant substituted 2-oxo-piperazinyl-triazines attached to the N atoms of the PAPA main chain are novel compounds which have highly desirable UV-light stabilizing (UV-S) activity coupled with unexpectedly good thermal stability. These compounds, referred to as "pendant piperazinyl triazines" or P[PIP-T] for brevity, are used in polymer recipes to formulate a stabilized polymeric composition comprising a light-degradable organic polymer containing an effective amount of a P[PIP-T] sufficient to stabilize the polymer. A P[PIP-T] is especially effective in a polyolefin in which there is from about 0.1 percent by weight (% by wt), to about 5% by wt, and is also effective in a wide variety of pastel colored and/or transparent commercially significant polymers.

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