Bleaching and dyeing; fluid treatment and chemical modification – Chemical modification of textiles or fibers or products thereof – Cellulose fibers
Patent
1985-01-11
1987-03-31
Lieberman, Paul
Bleaching and dyeing; fluid treatment and chemical modification
Chemical modification of textiles or fibers or products thereof
Cellulose fibers
8108A, 8190, 8192, 8195, 8196, 25218724, 25218725, 25218726, D06M 1334, A01N 300
Patent
active
046540431
ABSTRACT:
Cotton and cotton-containing fabrics are desized in strongly alkaline aqueous solution with an alkali metal hypochlorite by a process in which from 0.5 to 8.0 g/l of a tertiary hydroxyalkylamine which is soluble in aqueous alkaline solution, of an oxyethylated and/or oxypropylated ethylenediamine, of an oxyethylated polyethyleneimine, of malonic acid, of cyanuric acid, of a cyanuric acid derivative, of a urea derivative, of cyanoguanidine, of oxazolidone, of pyrrolidone, of N-methylpyrrolidone, of N-methylimidazole or of a mixture of these is added to the aqueous bath, as an activator for the hypochlorite. Activators for hypochlorite are used in the desizing of cotton and cotton-containing fabrics in strongly alkaline aqueous solutions.
REFERENCES:
patent: 3332882 (1967-07-01), Blumbergs
Angstmann Heinz-Dieter
Blanckenhorn Rolf
Fikentscher Rolf
Streit Werner
Witt Linda
BASF - Aktiengesellschaft
Lieberman Paul
McNally John F.
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