Process for making aramid particles as wear additives

Plastic and nonmetallic article shaping or treating: processes – Forming articles by uniting randomly associated particles – Utilizing diverse solid particles

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523156, 523149, 524423, 524439, 524425, B29C 5900

Patent

active

058110429

ABSTRACT:
A composite friction or gasketting material is disclosed having a combination of thermoset or thermo-plastic matrix resin, fiber reinforcing material, and aramid particles. The composite material exhibits improved wear resistance when compared with materials having no aramid particles.

REFERENCES:
patent: 4219452 (1980-08-01), Littlefield
patent: 4324706 (1982-04-01), Tabe et al.
patent: 4374211 (1983-02-01), Gallagher et al.
Brochure--published by Asahi Chemical Co., Ltd.--Sep. 1990.
"Kerlar.RTM." Wearforce Composites, Trade Brochure.
"How Short Aramid Fiber Improves Wear Resistance", Y.T. Wu, Modern Plastics, Mar., 1998.
"Reinforced Thermoplastics for Wear-Resistant Applications", K.R. Watson, Y.T. Wu, & P.G. Riewald, Plastics Engg, Mar., 1989.

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