Method of incorporating reinforcing material into an elastomeric

Details Method of incorporating reinforcing material into an elastomeric Method of incorporating reinforcing material into an elastomeric

1992-09-16

1995-03-14

Withers, James D.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

With liberating or forming of particles

156167, 264 12, 264 13, 264121, 524504, 524505, D04H 316, B29B 900

Patent

active

053975197

ABSTRACT:
Reinforcing material which does not have a melting point which is compatible with the processing temperature of an elastomer can be incorporated into the elastomer in the form of melt blown fibers. In the method of the invention, melt blown fibers are made by melting a reinforcing material in an extruder, and extruding the reinforcing material through a die comprising many small holes, while simultaneously blowing air or nitrogen, under high pressure, through the die holes, and collecting the resulting material on rotating rolls. The fibers thus formed are mixed into an elastomer using conventional mixing means. A composite made by the method is also provided.

REFERENCES:
patent: 3972759 (1976-08-01), Buntin
patent: 4328133 (1982-05-01), Ogawa et al.
patent: 4396051 (1983-08-01), Ogawa et al.
patent: 4663220 (1987-05-01), Wisneski et al.
patent: 4703086 (1987-10-01), Yamamoto et al.
patent: 4777080 (1988-10-01), Harris, Jr. et al.
patent: 4900619 (1990-02-01), Ostrowski et al.
Society of Plastics Engineers, 32nd Annual Tech Conference, May 13-16, 1974.

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