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Textile Research Journal
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X-ray Crystallinity of Bleached and Crosslinked Cottons

D.V. Parikh

Southern Regional Research Center, ARS, USDA, New Orleans, Louisiana, USA, parikh{at}srrc.ars.usda.gov

D.P. Thibodeaux

Southern Regional Research Center, ARS, USDA, New Orleans, Louisiana, USA

B. Condon

Southern Regional Research Center, ARS, USDA, New Orleans, Louisiana, USA

An X-ray diffractometer was used to study the crystalline structure of cotton fibers after bleaching, crosslinking and a combination of bleaching and crosslinking treatments. Wet crosslinking was accomplished with formaldehyde (Form W) and dry crosslinking was carried out with either dimethyloldihydroxyethyleneurea (DMDHEU) or citric acid (CA). Results indicated that crosslinking of bleached cotton did not change the crystalline nature of cotton (i.e. it was Cellulose I), but did increase its degree of crystallinity when crosslinked with either DMDHEU or CA; crosslinked formaldehyde (Form W) was relatively less crystalline.

Key Words: bleaching • citric acid • cotton • crosslinking • crystal structure • dimethyloldihydroxyethyleneurea • formaldehyde • line drying • swelling • tumble-drying • X-ray diffraction

Textile Research Journal, Vol. 77, No. 8, 612-616 (2007)
DOI: 10.1177/0040517507081982
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