Post-crosslinking treatment of cellulosic materials for enhanced

Details Post-crosslinking treatment of cellulosic materials for enhanced Post-crosslinking treatment of cellulosic materials for enhanced

1991-01-24

1992-08-18

Willis, Jr., Prince

Bleaching and dyeing; fluid treatment and chemical modification

Chemical modification of textiles or fibers or products thereof

Cellulose fibers

8194, 8195, 8543, 8680, 8673, 8918, D06M 1138

Patent

active

051395304

ABSTRACT:
Anionically dyeable smooth-dry crosslinked cellulosic materials are produced by treatment of methylolamide crosslinked cellulosic materials with an alkali swelling agent such as sodium hydroxide prior to dyeing. Attainable color strength is dependent upon both the concentration and the contact time of the alkali swelling agent with the cellulosic material. Types of usable anionic dyes include acid, direct, and reactive dyes. The cellulose-containing material may be in the form of fibers, threads, linters, roving, fabrics, yarns, slivers and paper.

REFERENCES:
patent: 3480382 (1969-11-01), Sloan
patent: 3542503 (1970-11-01), Kulman et al.
patent: 3567362 (1971-03-01), Jung et al.
patent: 4780102 (1988-10-01), Harper, Jr.
A. G. Pierce, "Retention of Swelling Ability in Cotton Cross-Linked with High-Temperature Curing" Textile Research Journal, vol. 34, No. 6, pp. 552-558, Jun., 1964.

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