纺织学报 ›› 2021, Vol. 42 ›› Issue (03): 110-114.doi: 10.13475/j.fzxb.20200303706

• 染整与化学品 • 上一篇    下一篇

亚甲基丁二酸交联变性对淀粉浆料性能的影响

李伟(), 张正桥, 吴兰娟, 刘倩, 魏安方, 程雪冬, 王太冉   

  1. 安徽工程大学 纺织服装学院, 安徽 芜湖 241000
  • 收稿日期:2020-03-16 修回日期:2020-12-16 出版日期:2021-03-15 发布日期:2021-03-17
  • 作者简介:李伟(1986—),男,副教授,博士。主要研究方向为纺织浆料的开发与研究。E-mail: fangzhiliweiwu@sina.com。
  • 基金资助:
    安徽省自然科学基金面上项目(1908085ME124);安徽省重点研发计划项目(201904a06020001);芜湖市科技计划项目(2018pt04);安徽工程大学国家自然科学基金预研项目(2016yyzr05)

Influence of methylene succinic acid cross-linking on properties of starch sizing agents

LI Wei(), ZHANG Zhengqiao, WU Lanjuan, LIU Qian, WEI Anfang, CHENG Xuedong, WANG Tairan   

  1. College of Textiles and Garments, Anhui Polytechnic University, Wuhu, Anhui 241000, China
  • Received:2020-03-16 Revised:2020-12-16 Online:2021-03-15 Published:2021-03-17

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摘要：

为提升淀粉浆料的使用性能,以亚甲基丁二酸(MSA)为交联剂,采用半干法制备了不同交联度的亚甲基丁二酸交联淀粉(MSACLS)。对其颗粒结构与表观形貌进行了表征分析,考察了MSA交联变性对淀粉浆液黏度热稳定性、黏附性以及对浆膜力学性能与水溶性的影响。结果表明:这种交联变性能够明显提升淀粉浆液的黏度热稳定性及其对涤纶纤维的黏附性,提高浆膜的力学性能,降低浆膜的水溶性;随着交联度的增大,MSACLS浆液的黏度热稳定性、对涤纶纤维的黏附力及其膜的断裂强度逐渐提高,浆膜的断裂伸长率呈现先提高后降低的趋势,水溶性逐渐降低;选择交联度为49.4的MSACLS在涤纶经纱上浆中使用为宜。

关键词: 淀粉, 浆料, 亚甲基丁二酸交联, 交联度, 上浆性能

Abstract:

In order to enhance sizing performance of starch sizing agents, methylene succinic acid cross-linked starch (MSACLS) samples with different levels of cross-linking were prepared with semi-dry method by using methylene succinic acid (MSA) as cross-linking agent. The structure and surface morphology of MSACLS were characterized, and the influence of MSA cross-linking on viscosity stability, adhesion of starch, and tensile properties and solubility of the size membrane were investigated. The results show that the cross-linking can obviously enhance viscosity stability of starch and its adhesion to polyester fibers, improve tensile properties of starch membrane and reduce its solubility. With the increase in the cross-linking degree, viscosity stability of MSACLS, its adhesion to polyester fibers and tensile strength of the size membrane gradually increase, breaking elongation of the membrane shows a trend of increasing and then decreasing, and solubility of the membrane gradually reduces. It is suitable to use MSACLS with a cross-linking degree of 49.4 in the sizing of polyester warps.

Key words: starch, sizing agent, methylene succinic acid cross-linking, cross-linking degree, sizing property

中图分类号: 

  • TS103.846

图1

淀粉交联变性合成MSACLS的反应方程"

图2

HS和MSACLS的红外光谱图"

图3

淀粉样品的扫描电镜照片(×2 000)"

图4

交联变性对淀粉浆液黏度热稳定性的影响"

图5

交联变性对淀粉与涤纶间黏附力的影响"

图6

交联变性对淀粉浆表面张力的影响"

图7

交联变性对淀粉浆膜力学性能的影响"

图8

交联变性对淀粉浆膜水溶性的影响"

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