Ambifunctional perfluorinated polyethers

Details Ambifunctional perfluorinated polyethers Ambifunctional perfluorinated polyethers

C - Chemistry, Metallurgy

08

G

C08G 65/00 (2006.01) C08G 65/336 (2006.01) C09J 7/02 (2006.01)

Patent

CA 2413725

A novel crosslinkable ambifunctional perfluorinated polyetheris provided wherein the polyether is defined by the formula X1-(CaF2aO)n-X2 where X1 and X2 are different functional terminal groups which are capable of forming a crosslinked perfluorinated polyether by addition, condensation or ring-opening reaction, and n ranges from 1 to 2000 and a is an integer of from 1 to 4. The mole ratio of M1 and X2 is 1:1. A release film may be formed from the cross- linked perfluorinated polyether.

L'invention concerne un nouveau polyéther perfluoré bifonctionnel réticulable défini par la formule X¿1?-(C¿a?F¿2a?O)¿ ?-¿n?X¿2?, dans laquelle X¿1? et X¿2? représentent différents groupes fonctionnels terminaux capables de produire un polyéther perfluoré réticulé par apport, condensation ou réaction d'ouverture de noyaux, et n est de 1 à 2000, a est un entier de 1 à 4. Le rapport molaire entre X¿1? et X¿2? est égal à 1:1. On peut fabriquer un film détachable à partir de ce polyéther perfluoré réticulé.

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