Polymeric light stabilizers containing polyalkylpiperidine...

Details Polymeric light stabilizers containing polyalkylpiperidine... Polymeric light stabilizers containing polyalkylpiperidine...

C - Chemistry, Metallurgy

07

D

260/278.1

C07D 401/14 (2006.01)

Patent

CA 1244437

- 24 - Abstract of the Disclosure This invention is directed to polymeric compounds which contain the polyalkylpiperidine radical and at least two primary hydroxyl groups. These compounds are useful as light stabilizers for plastics and coatings. More particularly, the polymeric stabilizers is formed by chain extending polyalkylpiperidine with an excess of epoxy resin to form a diepoxide functional polymer which is then capped with hydroxy functional monomer.

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