Improvements in fluorescent materials

Details Improvements in fluorescent materials Improvements in fluorescent materials

C - Chemistry, Metallurgy

08

L

C08L 33/12 (2006.01) C08F 2/44 (2006.01) C08F 120/14 (2006.01) C08K 5/16 (2006.01)

Patent

CA 2254740

A fluorescent dyed polymer composition useful in a luminescent sunlight collector is prepared by a process including dissolving by means of ultrasonic agitation a fluorescent dye in a solution of mono(methyl methacrylate) or partially polymerised methyl methacrylate. A sufficient quantity of organic peroxide initiator is added to the solution either before, during or after the dissolution of the fluorescent dye in the solution so that, at sufficient temperature, polymerisation is initiated so as to produce a fluorescent dyed polymer composition without the formation of voids or bubbles. When suitably cast, the fluorescent dyed polymer composition may take the form of a luminescent sunlight collector.

La préparation d'une composition de polymère colorée avec une substance fluorescente et servant de capteur solaire luminescent consiste à dissoudre, par agitation ultrasonique, un colorant fluorescent dans une solution de méthacrylate de méthyle monomère ou de méthacrylate de méthyle partiellement polymérisé. Une quantité suffisante d'initiateur à base de peroxyde organique est ajoutée avant, pendant ou après la dissolution du colorant fluorescent dans la solution de sorte que, à une température suffisante, la polymérisation soit amorcée pour donner une composition polymère colorée avec une substance fluorescente, sans formation de vides ou de bulles. Lorsqu'elle est coulée de manière appropriée, la composition de polymère colorée avec une substance fluorescente peut servir de capteur solaire luminescent.

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