Novel photochromic polymers and methods of synthesizing same

C - Chemistry – Metallurgy – 08 – G

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C08G 61/12 (2006.01) C07D 491/04 (2006.01) C07D 495/04 (2006.01) C07D 519/00 (2006.01) C08G 61/02 (2006.01) C08G 73/10 (2006.01) C09K 9/02 (2006.01)

Patent

CA 2416016

Ring-opening metathesis polymerization (ROMP) of a photochromic 1,2-bis-(3- thienyl)-cyclopentene monomer generated a series of novel polymers. All polymers exhibit reversible light-activated interconversion between their colorless-open and their colored-closed forms.

Selon l'invention, la polymérisation par métathèse avec ouverture du cycle d'un monomère de 1,2-<i>bis</i>-(3-thiényl)-cyclopentène photochrome permet d'obtenir une série de nouveaux polymères qui présentent tous une interconversion photoactivée réversible entre leurs formes ouvertes incolores et leur formes fermées colorées.

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