纺织学报 ›› 2017, Vol. 38 ›› Issue (11): 73-78.doi: 10.13475/j..fzxb.20161204606

• 染整与化学品 • 上一篇    下一篇

中低温水溶季铵阳离子淀粉浆料的合成及其浆纱性能

  

  • 收稿日期:2016-12-26 修回日期:2017-05-15 出版日期:2017-11-15 发布日期:2017-11-15

Synthesis and properties of water soluble quaternary ammonium cationic starch sizing materials

  • Received:2016-12-26 Revised:2017-05-15 Online:2017-11-15 Published:2017-11-15

摘要:

为了解决淀粉中低温水不溶的问题,根据中低温浆纱工艺对浆料水溶性、黏度、成膜性及对纺织纤维粘附性能的要求,采用酸解、季铵阳离子化和乙醇-碱法对淀粉进行改性,合成了一种中低温水可溶季铵阳离子淀粉浆料。采用扫描电了显微镜、红外光谱、电泳仪分析了所制得浆料的微观结构。研究了乙醇-碱法制备中低温水可溶淀粉时,反应温度、反应时间、乙醇用量、水含量、碱量对该淀粉浆料溶解性能的影响,测试了该淀粉浆料的浆液、浆膜性能。结果表明,反应温度为60℃,反应时间为50min,淀粉、水、乙醇和碱的量比为1:20:8:0.4时,所制得的淀粉浆料可溶于室温水中,浆液具有良好的黏度和抗凝沉性。

关键词: 季铵阳离子淀粉浆料, 中低温水溶解, 溶解度, 沉降体积, 浆液性能, 浆膜性能

Abstract:

As starches are usually insoluble in water of medium-low temperature and according to the requirements of medium-low temperature sizing in solubility, sizing viscosity, film-forming properties and adhesion properties to textile fibers involving sizes. In the way of modifying the raw starch by acid hydrolysis, quaternary ammonium cation and ethanol-alkali method, the medium-low-temperature water soluble Quaternary ammonium cationic starch suitable for medium-low-temperature sizing was prepared. The microstructure and properties of the starch were characterized by means of SEM, FTIR, Electrophoretic Analysis. We optimized the effects of reaction temperature, reaction time, dosage of ethanol, water content in on the solubility of the prepared starch in ethanol-alkali method, and the slurry and size film was studied. the mole ratio of starch, water, ethanol and base of 1: 20: 8: 0.4,  reaction temperature was 60℃ and  the reaction time duration for 50min, which are soluble in water at room temperature and have good viscosity and sediment stability.

Key words: quaternary ammonium cationic starch, water solubility in medium-low temperature, solubility degree, sedimentation volume, sizing peoperty, property of sizing menbrane

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