C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
400/7080, 31/79,
C07D 401/14 (2006.01) C07D 403/12 (2006.01) C07D 403/14 (2006.01) C08K 5/34 (2006.01) C08K 5/3492 (2006.01)
Patent
CA 1265797
SUBSTITUTED OXO-PIPERAZINYL-TRIAZINES AND UV LIGHT STABILIZED COMPOSITIONS ABSTRACT OF THE DISCLOSURE A particular branched chain polyalkylenepolyamine ("PAPA") having plural amine groups including a secondary amine group intermediate terminal free primary amine groups (that is, neither one is hindered), and having at least two C atoms between each group, may be selectively cyclized with a ketoform reaction to form a polysubstit- uted piperazinone ("PSP"), with specific directivity. Such PSPs are linked to a triazine nucleus to yield pip- erazinone-triazine ("PIP-T") compounds which are excel- lent stabilizers for polyolefins and other light-degrad- able polymers. Certain acyclic polyalkylenepolyamines may have a PIP-T substituent at each N atom forming pend- ant PIP-Ts ("P[PIP-T]" for brevity) which are also excel- lent stabilizers, and like some of the PIP-Ts, some P[PIP-T]s provide photostabilization without noticeably interfering with the color of films and fibers provided by even pastel-colored pigments and dyes.
514130
Lai John T.
Layer Robert W.
Son Pyong N.
Goodrich(b.f.) Company (the)
Lai John T.
Layer Robert W.
Son Pyong N.
Swabey Ogilvy Renault
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