Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Shaping by extrusion
Patent
1980-05-08
1981-11-17
Woo, Jay H.
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
Shaping by extrusion
260 296AN, 2642106, 264342RE, D01F 700
Patent
active
043011080
ABSTRACT:
Incorporation of an N-vinylamide and polymerization initiator into a single phase fusion melt of a hydrophobic acrylonitrile polymer and water and polymerization of said monomer in situ provides a stable, transparent acrylonitrile polymer shaped article when said melt is extruded directly into a steam-pressurized solidification zone in which it is stretched, followed by drying under controlled conditions of temperature and humidity.
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American Cyanamid Company
Van Riet Frank M.
Woo Jay H.
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