Process for manufacturing polyurethane products

Details Process for manufacturing polyurethane products Process for manufacturing polyurethane products

1994-09-19

1997-07-01

Vargot, Mathieu D.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Autogenously or by activation of dry coated particles

264141, 264349, 525125, B29B 738, B29B 902

Patent

active

056435169

ABSTRACT:
A process of manufacturing an article having high load absorption, durability and wear resistance properties with increased lubricity including mixing particles of polyurethane and polytetrafluoroethylene, extruding the mixture of polyurethane and polytetrafluoroethylene particles, reducing the extruded polyurethane/polytetrafluoroethylene product to particle form and molding the polyurethane/polytetrafluoroethylene extruded particles to form the article in a selected configuration.

REFERENCES:
patent: 2899710 (1959-08-01), Hendry
patent: 2976257 (1961-03-01), Dawe
patent: 3325434 (1967-06-01), Tully
patent: 3457234 (1969-07-01), Gianatasio
patent: 3658752 (1972-04-01), Das et al.
patent: 3751520 (1973-08-01), Yasuda
patent: 4567088 (1986-01-01), Skogman et al.

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