C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
C09J 9/00 (2006.01) C09J 7/02 (2006.01) C09J 133/04 (2006.01) G02B 5/02 (2006.01) G02F 1/1335 (2006.01)
Patent
CA 2221555
A light diffusing adhesive comprising a mixture of a pressure-sensitive adhesive matrix having a refractive index of n1 filled with organic, polymeric microparticles having a refractive index n2, wherein the absolute difference in the refractive indices of matrix and microparticles, that is, |n1-n2| is greater than zero and typically in the range of 0.01 to 0.2. The weight ratio of matrix to microparticles, based on solids, is from about 1:1 to about 50:1, preferably from about 4:1 to about 25:1.
Adhésif diffusant la lumière, comprenant un mélange d'une matrice adhésive sensible à la pression à indice de réfraction n¿1?, remplie de microparticules polymères et organiques, à indice de réfraction n¿2?, la différence absolue entre les indices de réfraction de la matrice et des microparticules, c'est-à-dire |n1-n2|, étant supérieure à zéro et comprise généralement entre 0,01 et 0,2. Le rapport pondéral entre la matrice et les microparticules, sur la base des solides, est compris entre environ 1:1 et environ 50:1, de préférence entre environ 4:1 et environ 25:1.
Goetz Richard J.
Ouderkirk Andrew J.
Smart & Biggar
The Minnesota Mining & Manufacturing Company
LandOfFree
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