Single phase extrusion of acrylic polymer and water

Details Single phase extrusion of acrylic polymer and water Single phase extrusion of acrylic polymer and water

1975-06-24

1976-11-09

Thurlow, Jeffery R.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

259191, 264 79, 264176F, 264182, 264206, 264349, 425208, D01F 102

Patent

active

039911535

ABSTRACT:
There is disclosed an improvement in the continuous melt extrusion of a refractory polymer and its melt assistant by which a porous plug of the composition being extruded is formed between the compressing zone and the melting zone of the extruder so as to prevent loss of vaporized melt assistant by backward escape through the feed inlet.

REFERENCES:
patent: 2585444 (1952-02-01), Coxe
patent: 3082816 (1963-03-01), Skidmore
patent: 3121914 (1964-02-01), Olson et al.
patent: 3440309 (1969-04-01), Breukink et al.
patent: 3538203 (1970-11-01), Overcashier et al.
patent: 3821129 (1974-06-01), Johnson
patent: 3843757 (1974-10-01), Ehrenfreund

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