棉织物低温氧漂活化剂的制备

摘要/Abstract

摘要：

为了克服棉织物的常规氧漂工艺能量消耗大，对棉纤维损伤严重等问题，采用一锅合成法制备氧漂活化剂Ｎ?（４?（三乙基铵甲撑）苯酰基）己内酰胺氯化物（TBCC），对过氧化氢（H2O2）进行活化，在近中性条件下对棉织物进行低温漂白。采用一锅合成法制备的TBCC 得到核磁共振氢谱的验证。与常规合成法相比，一锅合成法可使ＴＢＣＣ的终产率提高35.2%；漂白实验结果表明，2 种方法制备的TBCC 具有相同的漂白效果。与常规氧漂工艺相比，TBCC 活化H2O2 工艺可提供棉织物等同的白度；虽然漂白棉织物的吸水性略差，但在漂白中避免了化学损伤。一锅合成法制备TBCC 具有操作简单，流程短，能耗低、产率高的优点，可以显著降低生产成本。

关键词: 棉织物, 前处理, 低温漂白, 氧漂活化剂

Abstract:

To overcome the drawbacks of conventional peroxide bleaching of cotton fabric such as high energy consumption and extensive fiber damage, N-[4-(triethylammoniomethyl)benzoyl]caprolactam chloride (TBCC) was synthesized for use as a peroxide bleach activator in this paper by one-pot method, which allowed cotton fabric to be bleached under near-neutral pH conditions at low temperatures. TBCC synthesized by the one-pot method was confirmed with proton nuclear magnetic resonance spectroscopy (1H NMR). Experimental results showed that, compared to the conventional synthesis method, the one-pot synthesis method could increase the final yield of TBCC by 35.2%. TBCC prepared by the one-pot synthesis method had the same bleaching effect as the the one synthesized by the conventional synthesis methods. Compared to the conventioal peroxide bleaching, the TBCC-activated peroxide system could provide cotton fabric withh equivalent degree of whiteness and slightly inferior water absorbency, but caused no apparent damage to cotton fibers. The one-pot synthesis of TBCC had advantages such as simplified operation, shortened process, reduced energy consumption, increased product yield, and as such lowered cost.

崔双双张艳高加勇蒋谨繁左梦迪阚璇许长海. 棉织物低温氧漂活化剂的制备[J]. 纺织学报, 2016, 37(07): 88-92.

参考文献

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