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首页> 外文期刊>Textile Research Journal >Preparing Chito-Oligosaccharides as Antimicrobial Agents for Cotton
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Preparing Chito-Oligosaccharides as Antimicrobial Agents for Cotton

机译：制备壳寡糖作为棉花的抗菌剂

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摘要

Cotton fabric with good antimicrobial activity and durability to washing is obtained by using chito-oligosaccharides without the need for a binding chemical as a crosslinker. The fully deacetylated chitosan is depolymerized into-oligosaccharide using sodium nitrite. The average degree of polymerization (DP) of chito-oligosaccharide is determiend by colorimetric titration of a terminal aldehyde group of chito-oligosaccharide. In a pad-dry-cure process, two different chito-oligosaccharides (DP = 3 and 10) are applied to cotton fabric using the chemical reactivity of the terminal aldehyde group. The antimicrobial activity and durability to washing of the treated cotton are evaluated. The results show that at the fiftieth wash cyucle, teh cotton fabrics treated with 2.4 chito-oligosaccharide are able to maintain 95 (for a DP fo 3) and 100 (for a DP of 10) bacterial reductions.
机译：通过使用壳寡糖而无需结合化学物质作为交联剂，可获得具有良好的抗菌活性和耐洗涤性的棉织物。使用亚硝酸钠将完全脱乙酰化的壳聚糖解聚为寡糖。壳寡糖的平均聚合度（DP）通过比色滴定壳寡糖的末端醛基来确定。在垫干固化过程中，使用末端醛基的化学反应性将两种不同的壳寡糖（DP = 3和10）施加到棉织物上。评价了处理过的棉的抗菌活性和耐洗性。结果表明，在第五十洗涤槽中，用2.4壳寡糖处理的棉织物能够保持95（对于DP fo 3）和100（对于10 DP）细菌减少。

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