Formaldehyde-polalkylpiperidone copolycondensation products,...

Details Formaldehyde-polalkylpiperidone copolycondensation products,... Formaldehyde-polalkylpiperidone copolycondensation products,...

C - Chemistry, Metallurgy

08

G

400/5464, 260/27

C08G 12/26 (2006.01) C07D 211/74 (2006.01) C08G 16/02 (2006.01) C08K 5/34 (2006.01) C08L 101/00 (2006.01)

Patent

CA 1123834

Abstract of the Disclosure: By reacting polyalkyl-piperidones-4 with the 0.5- to 1.1-molar amount of formaldehyde in the presence of an aliphatic monoalcohol at 50 to 180°C, polymers of a poly- merization degree of from 2 to about 200 are obtained, which may be hydrogenated or partially hydrogenated. Espe- cailly in this form, they are suitable as light stabilizers for synthetic polymers and as intermediate products for the preparation of other stabilizers for plastic materials.

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