接枝淀粉理化特性对其上浆性能的影响

纺织学报 ›› 2014, Vol. 35 ›› Issue (1): 72-0.

接枝淀粉理化特性对其上浆性能的影响

王瑞^1，2,张昊^1，2,王建坤^1，2,董永春¹

1. 天津工业大学纺织学院
2. 天津工业大学先进纺织复合材料教育部重点实验室

收稿日期:2013-01-11 修回日期:2013-06-07 出版日期:2014-01-15 发布日期:2014-01-15
通讯作者: 王瑞 E-mail:wangrui@tjpu.edu.cn
基金资助:
国家自然科学基金资助项目；天津市自然科学基金项目；天津工业大学研究生教育创新计划项目

Effects of grafted starch physicochemical properties on sizing performance

Received:2013-01-11 Revised:2013-06-07 Online:2014-01-15 Published:2014-01-15

摘要/Abstract

摘要： 为研究接枝淀粉理化特性与其浆用性能的关联，通过微波辅助法将阳离子淀粉与丙烯酰胺、甲基丙烯酸-β-羟乙酯和丙烯酸丁酯接枝共聚，制备出不同接枝率（GR）的接枝阳离子淀粉（GCS），通过FT-IR和XRD表征产物结构。研究了GCS的理化特性与浆纱性能。结果表明，在一定接枝率范围内，GCS的理化性能改善，表现为水合能力、流变性能增强，抗老化性、透明度提高，而过高的接枝率会导致淀粉理化性能恶化。GCS浆纱性能随接枝率增大而提高，当接枝率为13.58%时，浆纱断裂强力、减伸率和耐磨性达到最优值，随着接枝率进一步增大，浆纱性能指标下降。研究结果还表明接枝淀粉理化特性的改善与其浆用性能的提高密切相关。

关键词: 接枝淀粉, 接枝率, 微波, 理化特性, 上浆

Abstract: For study the relation between grafted starch physicochemical properties and its sizing performance, grafted cationic starch (GCS) with different graft ratios (GR) were prepared by grafting cationic starch with acrylamide, β-hydroxyethyl methacrylate and n-butyl acrylate using microwave-assisted method, the grafted copolymer was characterized by FT-IR and XRD. The physicochemical characteristics of GCS were studied, as well as its sizing performances. Results showed that, within a certain range of GR, the physicochemical properties of GCS improved, including enhanced hydration capacity and rheological propertiy, improved anti-retrogradation and paste clarity, but an excessive high graft level could deteriorate the physicochemical properties of starch. Sizing performance of GCS increased with the increase of GR, the tensile strength, elongation at break and abrasion resistance reached an optimum value when GR was 13.58%, and then decreased with further growth of graft level. The research results also indicated that the improved physicochemical properties of grafted starch were closely related to its sizing performance improvements.

Key words: grafted starch, graft ratio, microwave, physicochemical characteristic, sizing

中图分类号:

TS101.3

王瑞张昊王建坤董永春. 接枝淀粉理化特性对其上浆性能的影响[J]. 纺织学报, 2014, 35(1): 72-0.

Hao ZHANG. Effects of grafted starch physicochemical properties on sizing performance[J]. JOURNAL OF TEXTILE RESEARCH, 2014, 35(1): 72-0.

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