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Structure and Properties of Modified Flax Yarn with Collagen

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Abstract:

The structure and property changes of collagen modified flax yarn were investigated in order to improve the usability of flax yarn. First flax yarn was treated with sodium hydroxide solution and next with chloroacetic acid to get carboxymethyl flax yarn. Then the carboxymethyl flax yarn was grafted with gelatin protein solution to obtain modified flax yarn. Reactive blue dye was used for the dyeing test of the modified flax yarn. Its structure was characterized and analysed by FT-IR, X-ray diffraction and SEM. Meanwhile breaking strength and elongation at break of the modified flax yarn and the exhaustion rate and fixation rate of reactive blue dye was tested, respectively. The results show that the carboxymethyl flax yarn and gelatin protein are combined with a chemical bond. The different mass concentration of the gelatin solution has some influence on the grafting rate of flax yarn grafted with collagen. After modification of the flax yarn, the breaking strength shows a little loss, the elongation at break increases to a certain degree, and the exhaustion and fixation rate of the reactive dye increase significantly.

Tags:

gelatin, flax yarn, grafting, breaking strength, dyeing properties.

Citation:

Sui Z, Pang W, Wei Y, Song J. Structure and Properties of Modified Flax Yarn with Collagen. FIBRES & TEXTILES in Eastern Europe 2015; 23, 1(109): 30-34

Published in issue no 1 (109) / 2015, pages 30–34.

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