纺织学报 ›› 2015, Vol. 36 ›› Issue (10): 92-96.

• 染整与化学品 • 上一篇    下一篇

棉织物多元羧酸抗皱整理免水洗工艺

  

  • 收稿日期:2014-10-27 修回日期:2015-01-20 出版日期:2015-10-15 发布日期:2015-10-12

Washing-free anti-wrinkle finishing of cotton fabric by polycarboxylic acid

  • Received:2014-10-27 Revised:2015-01-20 Online:2015-10-15 Published:2015-10-12

摘要:

采用丁烷四羧酸(BTCA)为整理剂,次亚磷酸钠(SHP)与不含磷催化剂HD-SP为复合催化剂对棉织物进行整理,研究了该体系对布面pH值及抗皱性能的影响,并用傅里叶红外光谱(FTIR)、离子相对浓度计算,研究了复合催化剂的作用机制。实验表明,复合催化剂整理后的织物达到GB 18401-2010对布面pH值在4.0以上的要求,可省去焙烘后的水洗工序;与SHP 16 g/L相比,以SHP 10 g/L、HD-SP 20 g/L复合时,整理织物的抗皱性能相当,但SHP的用量减少37.5%。根据FTIR结果,复合催化剂与纯SHP相比,BTCA与纤维素纤维酯化交联程度相当;根据离子相对浓度计算,更多羧基被复合催化剂转化成了羧酸盐,布面pH值得以提高。

Abstract:

Cotton fabric was treated by using butane tetra carboxylic acid (BTCA) as finishing agent, sodium hypophosphite (SHP) and non-phosphorus HD-SP as hybrid catalyst. The effect of hybrid catalyst on the pH value and the anti-wrinkle property of treated fabric were investigated. The function mechanism of hybrid catalyst was also studied by Fourier transform infrared spectroscopy (FTIR) and ion relative concentration calculation. The results indicated that the pH value of fabric which was treated by hybrid catalyst can meet the requirement of GB 18401-2010, and consequently the washing process can be saved. Besides, the anti-wrinkle property of fabric treated by SHP 10 g/L and HD-SP 20 g/L as hybrid catalyst was comparable with that of fabric treated with SHP 16 g/L. However, the dosage of SHP can be decreased by 37.5%. FTIR analysis showed that the amount of ester bonds on fabric treated by hybrid catalyst was as same as that of fabric treated by SHP alone. Besides, more carboxyl groups were converted to carboxylate by hybrid catalyst according to ion relative concentration calculation, so that the pH value of treated fabric was increased.

中图分类号: 

  • TS 195.6
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