Method of sizing polyester yarn

Details Method of sizing polyester yarn Method of sizing polyester yarn

1980-10-31

1983-07-19

Lusignan, Michael R.

Bleaching and dyeing; fluid treatment and chemical modification

Cleaning or laundering

Degumming or desizing

524561, 524562, 28166, 28168, 4273899, 428224, 428395, D01C 302, D06L 106, D06L 114, B65H 7100

Patent

active

043941281

ABSTRACT:
Taught is a method of sizing polyester yarn for weaving comprising the steps of applying thereto a latex having an acid pH and of a free radical initiated vinyl polymer having a weight average molecular weight of from about 300,000 to about 2,500,000, said polymer in dried film form being hydrophobic and not redispersible in a solution at a pH of from about 2 to 7 but redispersible by an aqueous alkaline medium, said polymer being prepared from monomers consisting essentially of by weight, 45-65% butyl acrylate a total of 28-45% styrene and/or methyl methacrylate and a total of 8-14% acrylic acid and/or methacrylic acid, and drying the yarn.

REFERENCES:
patent: 2807865 (1957-10-01), Shipee
patent: 3676207 (1972-07-01), Lofton et al.
patent: 4015317 (1977-04-01), Johnsen
patent: 4033922 (1977-07-01), Baron et al.
patent: 4106900 (1978-08-01), Perkins
patent: 4239671 (1980-12-01), Fink et al.
patent: 4248755 (1981-02-01), Williams
patent: 4312914 (1982-01-01), Guth

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