Disperse dyeing of polyvinyl chloride-acetelized polyvinyl alcoh

Details Disperse dyeing of polyvinyl chloride-acetelized polyvinyl alcoh Disperse dyeing of polyvinyl chloride-acetelized polyvinyl alcoh

1979-03-06

1981-06-09

Hamrock, William F.

Bleaching and dyeing; fluid treatment and chemical modification

Multiple chemically diverse fibers or fibers with different...

8583, 8607, 8616, 8617, D06P 382, D06P 164, D06P 162

Patent

active

042722446

ABSTRACT:
A process for dyeing without shrinkage with a disperse dyestuff or an optical brightening agent a fibrous substrate whose fibres comprise a mixture of polyvinyl chloride and acetalized polyvinyl alcohol, in which the substrate is dyed at a temperature from 60.degree. to 90.degree. C. in the presence of a levelling carrier, this levelling carrier being removable when the dried substrate is subsequently submitted to a dry heat treatment for a period up to 120 seconds and at a temperature from 95.degree. to 135.degree. C.

REFERENCES:
patent: 4121899 (1978-10-01), Von Chambers et al.
patent: 4131424 (1978-12-01), Cororos et al.
The International Dyer and Printer, p. 81 3(1964) by R. W. Moncrieff.

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