用于BTCA免烫整理体系的环保型催化剂硝酸钠

纺织学报 ›› 2005, Vol. 26 ›› Issue (3): 105-108.

用于BTCA免烫整理体系的环保型催化剂硝酸钠

马灵芝,陈克宁

天津工业大学材料科学与化学工程学院天津300160

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2005-06-15 发布日期:2005-06-15

Sodium nitrate as a new catalyst used for BTCA finishing

MA Ling-zhi;CHEN Ke-ning

College of Material Science and Chemical Engineering;Tianjin Polytechnic University;Tianjin 300160;China

Received:1900-01-01 Revised:1900-01-01 Online:2005-06-15 Published:2005-06-15

摘要/Abstract

摘要： 介绍一种可用于BTCA免烫整理体系的新型非磷系催化剂硝酸钠。质量分数为4%的硝酸钠用于6%BTCA的整理浴,经180℃焙烘120s,可获得满意的织物抗皱效果。结合化学和红外吸收光谱的分析,提出硝酸钠的催化机理为:硝酸根作为亲核试剂,与BTCA中的羧基发生亲核取代,促进BTCA脱水成酐,进而与纤维素酯化交联。

Abstract: A new catalyst sodium nitrate(SN) used for cotton fabric durable press finishing with BTCA was developed,which is non-phosphorus and environment-friendly.With SN concentration of 4% in 6% BTCA finishing system for cotton fabric,desirable DP effect of cotton fabric could be obtained with 180 ℃/120 s curing condition.By means of chemical analysis and IR spectrum,the catalyzing mechanism of SN was suggested that as a nucleophilic reagent,SN reacts with carboxyl groups in BTCA,which is favorable for froming anhydride of BTCA from dehydration and consequent esterifying with cellulose.

马灵芝;陈克宁. 用于BTCA免烫整理体系的环保型催化剂硝酸钠[J]. 纺织学报, 2005, 26(3): 105-108.

MA Ling-zhi;CHEN Ke-ning. Sodium nitrate as a new catalyst used for BTCA finishing[J]. JOURNAL OF TEXTILE RESEARCH, 2005, 26(3): 105-108.

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