Process for the production of heterogeneous articles

Details Process for the production of heterogeneous articles Process for the production of heterogeneous articles

1981-02-12

1983-03-08

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Formation of solid particulate material directly from molten...

Utilizing centrifugal force or rotating forming zone

264171, 264211, 425 8, B22D 2308

Patent

active

043760848

ABSTRACT:
A process for the production of heterogeneous articles such as heterofilaments and fibres containing a plurality of solid phases, comprises supplying a thermoplastic first material in particulate solid form to a surface of rotation of a rotating body so that it travels across said surface towards a discharge zone due to forces generated by the rotation of the body, melting the thermoplastic first material as it travels across the surface, supplying a second solid material to the surface, discharging both materials together from the discharge zone by centrifugal forces, and solidifying the thermoplastic material to form the heterogeneous article. The second material is preferably also thermoplastic and further solids, especially reinforcing fibres, can also be incorporated likewise.

REFERENCES:
patent: 3288052 (1966-11-01), Hough
patent: 3400189 (1968-09-01), Nacke
patent: 3429953 (1969-02-01), Crompton
patent: 3596312 (1971-08-01), Ohmatsu
patent: 4106921 (1978-08-01), Porter
patent: 4111673 (1978-09-01), Natta
patent: 4178336 (1979-12-01), Shoudea
patent: 4197063 (1980-04-01), Davidson

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