11-10-2018 дата публикации
Номер: US20180291007A1
Принадлежит:
A photochromic compound is provided, which may be a pyran, an oxazine, or a fulgide. The photochromic compound has at least one substituent Q attached thereto, each Q independently being —N, —CN, —COOR′, —CCR′, —C(R′)C(R′)R′, —OCOR′, —OCOOR′, —SR′, —OSOR′″, and/or —CON(R′)R′, wherein each R′ is hydrogen, an unsubstituted or substituted alkyl group having from 1 to 18 carbon atoms; an unsubstituted or substituted aryl group, an unsubstituted or substituted alkene or alkyne group having from 2 to 18 carbon atoms, wherein the substituents are halo or hydroxyl and R″′ is —CFor a perfluorinated alkyl group having from 2 to 18 carbon atoms The number, locations and nature of the constituents Q are dependent upon the structure of the photochromic compound. 2. (canceled)3. A photochromic composition comprising the photochromic material of incorporated into at least a portion of an organic material claim 1 , said organic material being a polymeric material claim 1 , an oligomeric material claim 1 , a monomeric material or a mixture or combination thereof.4. The photochromic composition of claim 3 , wherein said polymeric material comprises self-assembling materials claim 3 , polycarbonate claim 3 , polyamide claim 3 , polyimide claim 3 , poly(meth)acrylate claim 3 , polycyclic alkene claim 3 , polyurethane claim 3 , poly(urea)urethane claim 3 , polythiourethane claim 3 , polythio(urea)urethane claim 3 , polyol(allyl carbonate) claim 3 , cellulose acetate claim 3 , cellulose diacetate claim 3 , cellulose triacetate claim 3 , cellulose acetate propionate claim 3 , cellulose acetate butyrate claim 3 , polyalkene claim 3 , polyalkylene-vinyl acetate claim 3 , poly(vinylacetate) claim 3 , poly(vinyl alcohol) claim 3 , poly(vinyl chloride) claim 3 , poly(vinylformal) claim 3 , poly(vinylacetal) claim 3 , poly(vinylidene chloride) claim 3 , poly(ethylene terephthalate) claim 3 , polyester claim 3 , polysulfone claim 3 , polyolefin claim 3 , copolymers thereof claim 3 , and/or ...
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