Process for the production of three-dimensionally...

C - Chemistry – Metallurgy – 08 – J

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C08J 7/02 (2006.01) G02B 5/00 (2006.01) G02B 5/30 (2006.01)

Patent

CA 2236245

The invention relates to a process for the preparation of three-dimensionally crosslinked polymeric materials having a broad cholesteric reflection band, which comprises bringing polymeric materials having cholesteric properties and an extractable material content into contact with a solvent or solvent mixture.

L'invention porte sur une méthode pour préparer des polymères réticulés tridimensionnels, possédant une large bande de réflexion cholestérique. La méthode consiste à amener des matières polymériques pourvues de propriétés cholestériques et renfermant une substance extractible, en contact avec un solvant ou un mélange de solvant.

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