Colored inorganic-pigmented long-fiber thermoplastics

Academic Article


  • Long-fiber thermoplastic (LFT) composite materials are rapidly expanding in automotive, transportation, and recreational industry. Most of these materials are natural or black in color with a need for secondary painting of the manufactured products. Standard organic pigments and dyes are not stable above 250°C and degrade during processing. Alternatively, inorganic pigments are thermally stable to at least 800°C. High-performance inorganic pigments offer resistance to outdoor weathering, chemicals, and acids. However, in fiber-reinforced composites, the pigment causes fiber attrition and thereby shows reduction in strength. This work explores colored inorganic-pigmented LFT composites. The ability to integrate the color in the manufacturing steps eliminates the need for secondary painting. Pigment variables such as particle size, distribution, chemistry, and coatings have been investigated. The article presents the processing and performance envelopes of colored inorganic-pigmented LFTs in comparison with unpigmented standard LFTs.
  • Authors

    Digital Object Identifier (doi)

    Author List

  • Vaidya UK; Thattaiparthasarthy KB; Pillay S; Vaidya S; Ning H; Bansal DHRUV
  • Start Page

  • 1627
  • End Page

  • 1643
  • Volume

  • 28
  • Issue

  • 12