Method for producing filaments of high tenacity

Details Method for producing filaments of high tenacity Method for producing filaments of high tenacity

1976-12-22

1980-04-29

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

With step of cooling to a temperature of zero degrees c. or...

264237, 528332, 528480, 528481, 2642108, 2642905, B05B 300, B29F 308

Patent

active

042006023

ABSTRACT:
A molten polymer is extruded through at least one orifice to produce a filament which is immediately cooled to a temperature below its glass transition temperature by contacting the filament with a gas having a temperature ranging from about +10.degree. C. to about -20.degree. C.

REFERENCES:
patent: 2846289 (1958-08-01), Gray
patent: 3027602 (1962-04-01), Hamilton et al.
patent: 3054652 (1962-09-01), Heumann
patent: 3544670 (1970-12-01), Murao et al.
patent: 3946094 (1976-03-01), Kanetsuna et al.

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