A New and Effective Method for Removing DMDHEU Crosslinks from Cotton 1-Reference-Cited by-同舟云学术

A New and Effective Method for Removing DMDHEU Crosslinks from Cotton 1

Published:1985-07 Issue:7 Volume:55 Page:444-448
ISSN:0040-5175
Container-title:Textile Research Journal
language:en
Short-container-title:Textile Research Journal

Author:

Abhyankar Prashant N.¹,Beck Keith R.¹,Ladisch Christine M.¹,Rowland Stanley P.²

Affiliation:

1. Textile Science, Department of Consumer Sciences and Retailing, Purdue University, West Lafayette, Indiana 47907, U.S.A.

2. Southern Regional Research Center3, New Orleans, Louisiana 70179, U.S.A.

Abstract

A new and relatively simple method for removing zinc nitrate-cured DMDHEU crosslinks from cotton cellulose is reported. The method entails boiling the finished fabric in 23% NaOH for 10 minutes. Removal of the finish was verified by nitrogen and formaldehyde analyses and by wrinkle recovery measurements. Little change in viscometric degree of polymerization (dpv), copper number, carboxyl content, breaking strength, and abrasion resistance of an untreated control fabric subjected to alkaline hydrolysis indicated that the stripping method was nondegradative. Losses in breaking strength and flex abrasion resistance produced in the cotton fabric upon treatment with DMDHEU were almost completely restored by resin stripping. Relatively small increases in reducing groups and carboxyl content and a dp loss of only about 13% (500 out of 3700) indicated that treatment of cotton with the DMDHEU/zinc nitrate system produced little chemical damage in the cellulose.

Publisher

SAGE Publications

Subject

Polymers and Plastics,Chemical Engineering (miscellaneous)

Link

http://journals.sagepub.com/doi/pdf/10.1177/004051758505500708

Reference23 articles.

1. The Effect of Pad-Bath pH and Storage Period on the Hydrolysis of DMDHEU

2. An Electron Microscopy Study of Cotton Fibers Mercerized at Elevated Temperatures

3. Braidy, M.H., as described by T.P. Nevell in "Methods in Carbohydrate Chemistry," vol. III, R. L. Whistler , Ed. Academic Press, New York , 1963, p. 44.

4. Use of alkaline catalysis in the study of cross-linked cellulose degradation

5. Effects of Cross-Linkage in Wrinkle-Resistant Cotton Fabrics

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