C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 9/02 (2006.01) C08F 4/04 (2006.01) C08F 220/20 (2006.01) C08F 222/10 (2006.01) G02B 1/04 (2006.01) G02B 5/23 (2006.01) G02C 7/10 (2006.01)
Patent
CA 2268336
The present invention deals with a novel photochromic organic material, the use of at least one plasticizer for the preparation of said novel material, said preparation and photochromic articles constituted wholly or in part of said novel material. The intervening plasticizer, advantageously a phthalate, is according to a variant simply dispersed in the polymer matrix, or, according to another variant, chemically bound to said polymer matrix. Said novel material possesses remarkable photochromic properties together with interesting optical and mechanical properties.
L'invention concerne un nouveau matériau organique photochromique, l'utilisation d'au moins un plastifiant pour la préparation de ce nouveau matériau, cette préparation et des articles photochromiques formés entièrement ou en partie de ce nouveau matériau. Le plastifiant utilisé est de préférence un phtalate qui, dans un mode de réalisation, est simplement dispersé dans la matrice polymère ou, dans un autre mode de réalisation, est lié chimiquement à cette matrice polymère. Ce nouveau matériau possède des propriétés photochromiques remarquables ainsi que des propriétés optiques et mécaniques intéressantes.
Baney Bruno
Henry David
Corning Incorporated
Gowling Lafleur Henderson Llp
LandOfFree
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