Process for preparing a polymer having perfluorocyclobutane...

Details Process for preparing a polymer having perfluorocyclobutane... Process for preparing a polymer having perfluorocyclobutane...

C - Chemistry, Metallurgy

08

F

402/347, 402/475

C08F 136/16 (2006.01) C07C 17/26 (2006.01) C07C 43/17 (2006.01) C07C 43/225 (2006.01) C07C 65/21 (2006.01) C07C 65/24 (2006.01) C08F 16/32 (2006.01) C08F 136/14 (2006.01) C10M 105/54 (2006.01) C10M 107/38 (2006.01)

Patent

CA 2031185

-104- ABSTRACT The present invention includes a process for preparing a polymer having perfluorocyclobutane rings by the steps of (a) contacting monomers having at least two dimerizable perfluorovinyl groups; and (b) exposing the monomers to heat such time that a polymer containing perfluorocyclobutane rings is formed. The present invention includes polymers having a backbone comprising hydrocarbyl groups, perfluorocyclobutane rings and non- carbon atoms and polymers of at least 10,000 molecular weight having repeating units [0-(CFRf)n-0- perfluorocyclobutane]. The present inventions also includes crosslinked polymers having perfluorocyclobutane rings and thermal processes to prepare such crosslinked polymers. Crosslinked polymers have tensile strength and other physical properties enhanced over the properties of the corresponding linear polymer.

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