C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
C08K 3/22 (2006.01) C09D 5/32 (2006.01) H05K 1/03 (2006.01)
Patent
CA 2097051
-1- Abstract of the Disclosure Improved methods and polymer compositions are provided whereby ultraviolet radiation degradation of substrates formed of the compositions is attenuated. In accordance with the invention, ultraviolet scattering and absorbing particles having a particle size in the range of from about 0.001 micrometer to about 0.20 micrometer in diameter are dispersed in at least a surface layer of a polymer substrate.
Kauffman James W.
Palmer Bruce R.
Stamatakis Penelope
Kerr-Mcgee Chemical Corporation
Ridout & Maybee Llp
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