Preparation of  O ‐carboxymethyl chitosans and their effect on color yield of acid dyes on silk | Zendy

Wu Yi Guang | Zendy; Chan Wing Lai | Zendy; Szeto Yau Shan | Zendy

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Preparation of O ‐carboxymethyl chitosans and their effect on color yield of acid dyes on silk

Author(s) -

Wu Yi Guang,

Chan Wing Lai,

Szeto Yau Shan

Publication year - 2003

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.12894

Subject(s) - silk , yield (engineering) , chitin , nuclear chemistry , chitosan , polymer chemistry , chemistry , proton nmr , materials science , organic chemistry , composite material

O ‐Carboxymethyl chitosans with a low degree of substitution (DS) and a high degree of deacetylation (DD) were prepared directly from chitin and characterized by using 1 H‐NMR, 13 C‐NMR, and elemental analysis methods. In our study, O ‐carboxymethyl chitosans could increase the color yield of Acid Red 44 and Acid Green 25 on silk fabrics without lowering the corresponding washing fastness property. © 2003 Wiley Periodicals, Inc. J Appl Polym Sci 90: 2500–2502, 2003

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