Acrylic modified foamed nylon product and process

Details Acrylic modified foamed nylon product and process Acrylic modified foamed nylon product and process

1977-03-22

1978-01-24

Turner, Richard B.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

By gas forming or expanding

260 25N, 260 25E, 260 25R, 260 23, 260857G, 260857D, 260857UN, 264DIG5, 264DIG83, C08J 900, B29H 720

Patent

active

040704262

ABSTRACT:
A method of making nylon (polycarbonamide) foam involving the use of a multi-phase carboxylic acid-containing polymer which reacts with the amine groups of the nylon to produce water which blows the foam during the process.

REFERENCES:
patent: 2354260 (1944-07-01), Haney et al.
patent: 3222302 (1965-12-01), Bollert et al.
patent: 3668274 (1972-06-01), Owens et al.
patent: 3796771 (1974-03-01), Owens et al.
Bernhardt, Processing of Thermoplastic Materials, Reinhold Publishing Corp., 1959, p. 163.
Fisher, Extrusion of Plastics, Interscience Publishers, 1958, pp. 80-81.

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