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HomeSolid State PhenomenaSolid State Phenomena Vol. 334Influence of Nature of Pigments and Dyes on...

Influence of Nature of Pigments and Dyes on Coloring Properties of Polymeric Superconcentrates

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Abstract:

The article considers methods of manufacturing non-toxic films of a given color that meet technological requirements. The problem of reducing the shrinkage of the colored polymer in the casting mould during cooling and maintaining its technical characteristics is experimentally solved. To this end, the influence of the nature of pigments on the degree of polymer coloring is studied, and ways to improve the quality of color are investigated. The object of the study was selected pigment concentrate based on high pressure polyethylene brand 15803-003. The pigment has chosen technical carbon grades N220, P803. Surfactants were modifying additives. Tests of samples to determine the light fastness of dye, migration resistance, the number of agglomerates of pigments, toughness and strength, physical and mechanical properties showed that the most effective additive to improve the coloring properties of soot pigment brand N220 and improve the appearance of finished products introduced into the superconcentrate calcium stearate, which at the stage of mixing in the extruder acts as a surfactant and prevents the adhesion of the pigment and the formation of agglomerates in the polymer melt.

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Periodical:

Solid State Phenomena (Volume 334)

Pages:

131-144

DOI:

https://doi.org/10.4028/p-96nwu6

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Online since:

July 2022

Authors:

Oleksandr Blyznyuk, Alexey Vasilchenko*, Olexandr Danilin, Eleonora Darmofal

Keywords:

Coverage, Dispersion, Pigment, Surfactants

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© 2022 Trans Tech Publications Ltd. All Rights Reserved

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