Color stable pigmented polymeric films

Details Color stable pigmented polymeric films Color stable pigmented polymeric films

C - Chemistry, Metallurgy

08

J

C08J 5/18 (2006.01) B32B 27/08 (2006.01) C08J 3/20 (2006.01) C08K 3/04 (2006.01) C08L 67/00 (2006.01) G02B 1/04 (2006.01) G02B 5/22 (2006.01)

Patent

CA 2398452

Color-stable, pigmented optical bodies comprising a single or multiple layer core having at least one layer of a thermoplastic polymer material. The thermoplastic polymer material has dispersed within it a particulate pigment. The optical bodies generally possess high clarity and low haze and exhibit a transmission of light within a wavelength band of interest within the visible spectrum of from about 10 to about 90 percent.

L'invention concerne des corps optiques pigmentés de couleur stable, qui comprennent une partie centrale à couche unique ou à couches multiples présentant au moins une couche de matière polymère thermoplastique. La matière polymère thermoplastique contient un pigment particulaire dispersé. Les corps optiques présentent généralement une grande transparence et un faible voile, et une transmission de lumière dans une bande de longueurs d'onde intéressante du spectre visible d'environ 10 à environ 90 pour cent.

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