Substituting cadmium pigments with heavy metal-free pigments in engineering resins

Substituting cadmium pigments with heavy metal-free pigments in engineering resins

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This paper addresses the environmental concern of the potential toxicity of cadmium pigments. As an alternate to cadmium pigments and other heavy met- ats (lead, selenium, mercury, arsenic and chromium), organic pigments were studied.To color engineering resins without Cadmium pigments is difficult but to color FEP Fluropolymers, which process at 400 C, is a challenge. The experimental work was undertaken to design colors for Teflon FEP 100, PBT (Polybutylene Terephthalate) and Nylon 6. These resins are widely used in fiber optics and wire and cable industries.

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Description

This paper addresses the environmental concern of the potential toxicity of cadmium pigments. As an alternate to cadmium pigments and other heavy met- ats (lead, selenium, mercury, arsenic and chromium), organic pigments were studied.To color engineering resins without Cadmium pigments is difficult but to color FEP Fluropolymers, which process at 400 C, is a challenge. The experimental work was undertaken to design colors for Teflon FEP 100, PBT (Polybutylene Terephthalate) and Nylon 6. These resins are widely used in fiber optics and wire and cable industries.

Additional information

Author(s)

Harnish S. Jani, Akzo Engineering Plastics, USA.
Publication/Event/Pages

Paper presented at WAI 61st Annual Convention, Atlanta, GA USA. Paper published in Wire Journal International, Feb. 1992, pg. 89.
Year

1991

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