Photorefractive composition

C - Chemistry – Metallurgy – 09 – K

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C09K 11/06 (2006.01) C08L 83/04 (2006.01) G02F 1/361 (2006.01)

Patent

CA 2535985

A composition comprising a polymer represented by the following formula (I), wherein the composition exhibits photorefractive ability, wherein R is selected from the group consisting of a linear alkyl group with up to 10 carbons, a branched alkyl group with up to 10 carbons, and an aromatic group with up to 10 carbons; n is an integer of 10 to 10,000; Z is a group which contains at least a tri-aromatic amine moiety shown in the structure (II), wherein Ra1-Ra14 are independently selected from the group consisting of a hydrogen atom, a linear alkyl group with up to 10 carbons, a branched alkyl group with up to 10 carbons, and an aromatic group with up to 10 carbons.

La présente invention a trait à une composition comportant un polymère de formule (i), la composition présentant une capacité photoréfractive, dans laquelle : R est choisi parmi le groupe constitué d'un groupe alkyle linéaire ayant jusqu'à 10 carbones, un groupe alkyle ramifié ayant jusqu'à 10 carbones, et un groupe aromatique ayant jusqu'à 10 carbones; n est un nombre entier de 10 à 10000 ; Z est un groupe qui contient au moins un groupe fonctionnel triaromatique représenté dans la structure (ii), dans laquelle : Ra¿1?-Ra¿14? sont indépendamment choisis parmi le groupe constitué d'un atome d'hydrogène, d'un groupe alkyle linéaire ayant jusqu'à 10 carbones, un groupe alkyle ramifié ayant jusqu'à 10 carbones, et un groupe aromatique ayant jusqu'à 10 carbones.

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