Process for preparing thermosensitive fibrous structure

Details Process for preparing thermosensitive fibrous structure Process for preparing thermosensitive fibrous structure

1992-12-24

1994-03-29

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

Organic additive for dye composition, dye composition...

Polymeric additive

8181, 8490, 8550, 8906, 8918, C09B 6700, C09B 6718, D06M 13322, D06P 506

Patent

active

052980359

ABSTRACT:
A process for preparing a thermosensitive fibrous structure which includes adding a fibrous substrate mainly composed of cellulosic fiber, microcapsules including a thermochromic material, a cationic surfactant and a nonionic surfactant to a dye bath maintained at a temperature of not higher than 90.degree. C. and then adding an agent for imparting exhaustion property in the bath at a pH not more than 7, thereby causing the fibrous substrate to exhaust the microcapsules from the bath. According to this process, there can be obtained a thermosensitive fibrous structure wherein microcapsules are almost completely exhausted and uniformly provided.

REFERENCES:
patent: 4028118 (1977-06-01), Nakasuji
patent: 4118538 (1978-10-01), Balland
patent: 5221288 (1993-06-01), Kamata et al.

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