Method of incorporating additives in polymeric materials

Details Method of incorporating additives in polymeric materials Method of incorporating additives in polymeric materials

C - Chemistry, Metallurgy

08

J

31/106, 358/12

C08J 3/20 (2006.01) C08K 5/00 (2006.01) G01N 21/64 (2006.01)

Patent

CA 1136844

- 24 - 650-6818 METHOD OF INCORPORATING ADDITIVES IN POLYMERIC MATERIALS Abstract of the Disclosure The incorporation of an additive into a thermo- plastic polymer by melt blending can be controlled by in- corporating the additive in the form of a cohesive blend with an indicator substance such as an optical brightener, and checking the distribution of the indicator in the final product, e.g. by fluorescence measurements. The presence of a certain quantity of the indicator in a sample ensures the presence of a quantity of additive corresponding to the ratio of additive to indicator in the cohesive blend. 3700/PG/FZ/KC

330042

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