In:
Textile Research Journal, SAGE Publications, Vol. 35, No. 10 ( 1965-10), p. 935-942
Abstract:
The yellowing tendency of modified cottons is found to depend solely on the aldehyde groups content, the ketone and carboxyl groups having no appreciable influence. Linear plots of yellowing against aldehyde groups content and against 1/DP were found and enable us to differentiate between terminal C 1 and other aldehydes in oxidized cottons. Reducing sugars show a yellowing similar to modified celluloses; pentoses and alduronic acids yield lower values than hexoses, while non-reducing sugars produce no yellowing. The ultra-violet spectra of bicarbonate extracts of modified celluloses and glucose are similar to alkaline extracts of aged celluloses. These spectra and the infra-red spec trum of the color substance and its elementary analysis point to the possibility that the colored substances are furan derivatives. It is suggested that the new yellowing method be considered as a means for the characterization of bleached cottons.
Type of Medium:
Online Resource
ISSN:
0040-5175
,
1746-7748
DOI:
10.1177/004051756503501011
Language:
English
Publisher:
SAGE Publications
Publication Date:
1965
detail.hit.zdb_id:
2209596-2
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