Siliconic u.v. stabilizers containing reactive groups

Details Siliconic u.v. stabilizers containing reactive groups Siliconic u.v. stabilizers containing reactive groups

C - Chemistry, Metallurgy

07

F

C07F 7/10 (2006.01) C07F 7/08 (2006.01) C07F 7/21 (2006.01) C08G 77/04 (2006.01) C08G 77/26 (2006.01) C08K 5/54 (2006.01) C08K 5/544 (2006.01) C08L 83/08 (2006.01)

Patent

CA 2053152

Polymeric stabilizers having a polysiloxanic structure contain reactive groups which can be linked to the polymeric structure to be stabilized and sterically hindered piperidinic groups. These polymeric stabilizers are particularly suitable for the stabilization of organic polymers against U.V. radiation and heat, when it is required for them not, to be extracted by solvents, fats or soaps.

Des stabilisants polymériques ayant une structure polysiloxanique contiennent des groupes réactifs qui peuvent être liés à la structure polymérique à stabiliser et des groupes pipéridine stériquement encombrés. Ces stabilisants polymériques sont particulièrement appropriés pour la stabilisation des polymères organiques contre les UV et la chaleur, lorsqu'il est nécessaire qu'ils ne soient pas extraient par des solvants, des graisses ou des savons.

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