Permanently stabilized polyurethanes

Details Permanently stabilized polyurethanes Permanently stabilized polyurethanes

C - Chemistry, Metallurgy

08

G

402/139

C08G 18/38 (2006.01) C08G 18/10 (2006.01) C08G 18/28 (2006.01)

Patent

CA 1109592

Permanently stabilized polyurethanes Abstract of the Disclosure The invention is related to modified polyurethanes which have a permanent, wash-fast, acidresistant, dry cleaning-resistant and solvent-resistant stabilization based on 2,2,6,6-tetra- alkyl-piperidine light protective agents. These stabilizers are an integral constituent of the polyurethanes, that is to say they take part in the polyurethane synthesis by the reac- tion of an H-active reactive group (for example NH2, NH-alkyl, CO-NH-NH2, NH-CO-NH-NH2, OH or some other H-active group) of the 2,2,6,6-tetraalkyl-piperidine derivatives with isocyanate group of polyisocyanates or isocyanate prepolymers.

286987

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