Method for manufacturing heat-resistant and flame-retardant synt

Details Method for manufacturing heat-resistant and flame-retardant synt Method for manufacturing heat-resistant and flame-retardant synt

1977-08-26

1980-07-15

Kight, III, John

Bleaching and dyeing; fluid treatment and chemical modification

Chemical modification of textiles or fibers or products thereof

8DIG12, 8DIG18, 20415917, D06M 1000, D06M 1538

Patent

active

042126495

ABSTRACT:
A method for manufacturing heat-resistant polyvinyl chloride fiber is given without injuring the flame-retardance of the polyvinyl chloride fiber, by grafting acrylic acid or calcium acrylate onto polyvinyl chloride by a radiation chemical process. The polyvinyl chloride fiber is irradiated either in contact with a mixture of water, ethylene dichloride and acrylic or in contact with a mixture of methanol, water, ethylene dichloride and calcium acrylate. In the case of the grafting of acrylic acid the graft fiber is subjected to a heat treatment or grafted polyacrylic acid is converted to a divalent metal salt.

REFERENCES:
patent: 2979446 (1961-04-01), Anderson
patent: 2999056 (1961-09-01), Tanner

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