Resin stripping of treated cotton fabric (removal of resin by acid hydrolysis) was investigated by measurements of textile properties, by viscometry, and by gel-permeation chromatography (GPC). Breaking strengths and elongations- at-break, which were reduced by treatment with dimethylolethyleneurea (DMEU), were partially restored by resin stripping. The acid-catalyzed treatment of the fabric with the substituted urea substantially reduced the degree of polymerization (DP) of the cotton cellulose; resin stripping further reduced the DP. The restoration of tensile properties which occurred even though DP had been reduced was due to removal of crosslinks which cause crosslink embrittlement.
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Segal et al. (1973) studied this question.
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