CN106967356A - 一种新型环保除臭型防水透湿织物用涂层剂的制备方法 - Google Patents

一种新型环保除臭型防水透湿织物用涂层剂的制备方法 Download PDF

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CN106967356A
CN106967356A CN201710196014.9A CN201710196014A CN106967356A CN 106967356 A CN106967356 A CN 106967356A CN 201710196014 A CN201710196014 A CN 201710196014A CN 106967356 A CN106967356 A CN 106967356A
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屠明鑫
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Abstract

本发明公开了一种新型环保除臭型防水透湿织物用涂层剂的制备方法,本发明添加丝素作为防水透湿剂,可在涂层剂中形成连续通道,利于水汽透过,从而引起透湿量显著提高,纳米二氧化钛表面的羟基与硅烷偶联剂中的烷氧基通过硬脂酸发生缩合反应,脱去醇分子,将其作为光触媒添加到原料中,有效改善了光触媒在聚合物乳液中的分散性,在保持或提高织物物理机械性能的同时,可有效提高织物的长久防水透湿效果和抗菌除臭效果,本发明用于涂层织物时不仅弹性好手感优良,而且涂层织物抗张强度高,伸长率大,柔韧性、润湿性、光泽性和耐磨性优异,在防护服、运动服、军用服饰装备等方面存在着广泛的需求。

Description

一种新型环保除臭型防水透湿织物用涂层剂的制备方法
技术领域
本发明涉及织物涂层剂的制备技术领域,具体涉及一种新型环保除臭型防水透湿织物用涂层剂的制备方法。
背景技术
防水透湿织物又称“会呼吸的织物”,是指在一定压力下液态水不能浸入织物,而空气和人体散发的汗气却能通过织物传导到外界,不致在皮肤和衣服间积累或冷凝,而使人感觉到发闷的独具特色的功能性织物。集防水、防风、透湿和保暖功能于一体,改善了人体着装的舒适性。从而避免汗液积聚冷凝在体表与织物之间以保持服装的舒适性。现有的针织物面料功能单一,不能兼顾其他功能。因此,有必要对现有的针织面料的制作方法进行改进,使其能够生产出具有吸附净化、消臭抗菌等保健功能和防水透气透湿的舒适功能的针织面料。
水性聚氨酯以水为分散介质,具有安全、环保、易加工及成本低等优点,其涂层膜具有良好的耐磨性、黏附性力、弹性和手感,因而广泛应用于黏合剂、织物涂饰、涂料、皮革等众多领域。但是采用常规水性聚氨酯涂层剂涂层整理织物后,织物的透湿性能大幅度下降,且涂层的综合性能仍不能达到人们对高端涂层产品性能的需求,难以制备出高品质的防水透湿涂层织物。为了有效改善涂层材料的透湿性能,解决防水与透湿之间的矛盾,加入亲水性物质是一种可行的方法。丝素作为蚕丝的主体成分,具有优良的吸湿性、透气性、相容性,且无毒、无污染、可降解,是一种天然的“绿色整理剂”。因此,文献《丝素/聚氨酯防水透湿涂层剂的制备及其应用》采用丝素共混改性水性聚氨酯,制备了丝素/聚氨酯复合涂层剂,用于涤纶织物的涂层整理。结果表明: 丝素与聚氨酯之间存在着氢键作用,丝素的加入提高了聚氨酯体系的热稳定性;与单一聚氨酯涂层整理的织物相比,丝素改性聚氨酯涂层整理织物的透湿性得到显著改善,且具有良好的耐洗性和断裂强力。
然而文中所述的改性方法虽然改进了防水透湿性能,但该涂层剂白度略有下降,用于制做的服装服用性差,防水透湿持久性低,抗菌除臭性一般,且用于户外服装面料使用时光催化性能弱,防紫外线效果不好,需要改性。目前常用的方法是寻找一种光触媒加以改性后添加到防水透湿涂层剂中,在保持或提高织物物理机械性能的同时,将能有效提高织物的长久防水透湿效果和抗菌除臭效果。
发明内容
本发明的目的就是提供一种新型环保除臭型防水透湿织物用涂层剂的制备方法,以克服现有技术的不足。
本发明的目的是这样实现的:
一种新型环保除臭型防水透湿织物用涂层剂的制作方法,其特征在于包括以下步骤:首先往水性聚氨酯乳液中加入一定质量比的增稠剂TF601A搅拌混匀,升温至90-105℃,然后加入长链烷烃改性光触媒催化剂,保温超声分散20-30分钟,最后再加入一定质量比的丝素和交联剂TF694A 保温共混2-4小时,冷却至室温,用行星式球磨机球磨20-40分钟出料。
所述的原料相对涂层剂的质量百分比为:水性聚氨酯乳液71%、丝素20%、长链烷烃改性光触媒催化剂3%、增稠剂TF601A2%、交联剂TF694A 4%,其中丝素粒径为5μm。
所述的长链烷烃改性光触媒催化剂由下列重量份的原料制成:光触媒10-12、硅烷偶联剂5-7、硬脂酸2-4、无水乙醇190-200,其制备方法为:将硅烷偶联剂加入一半体积的无水乙醇中,调节该溶液的pH值为3-5,活化10-15分钟,然后加入光触媒粉体用高速搅拌机搅拌2小时,过滤留沉淀并放入烘箱中于130℃下烘2小时,冷却至室温,放入球磨机球磨30-40分钟,加入到剩余一半体积的无水乙醇中搅拌混匀,调节该溶液的pH值为8-9,水浴加热至70℃,加入硬脂酸保温搅拌反应2小时,过滤留沉淀,烘干即得。
所述的光触媒为纳米二氧化钛:半导体锗=9:1的混合体。
所述的硅烷偶联剂为硅烷偶联剂KH-560、甲基三乙氧基硅烷或者乙烯基三乙氧基硅烷中的至少一种。
本发明有以下有益效果:本发明添加丝素作为防水透湿剂,可在涂层剂中形成连续通道,利于水汽透过,从而引起透湿量显著提高,纳米二氧化钛表面的羟基与硅烷偶联剂中的烷氧基通过硬脂酸发生缩合反应,脱去醇分子,将其作为光触媒添加到原料中,有效改善了光触媒在聚合物乳液中的分散性,在保持或提高织物物理机械性能的同时,可有效提高织物的长久防水透湿效果和抗菌除臭效果,本发明用于涂层织物时不仅弹性好手感优良,而且涂层织物抗张强度高,伸长率大,柔韧性、润湿性、光泽性和耐磨性优异,用于制作的服装能满足寒冷、雨雪、大风等恶劣天气中的穿着需要,且在较大的劳动强度下也能排汗透湿,穿着舒适,在防护服、运动服、军用服饰装备等方面存在着广泛的需求。
具体实施方式
一种新型环保除臭型防水透湿织物用涂层剂的制作方法,其特征在于包括以下步骤:首先往水性聚氨酯乳液中加入一定质量比的增稠剂TF601A搅拌混匀,升温至90-105℃,然后加入长链烷烃改性光触媒催化剂,保温超声分散20-30分钟,最后再加入一定质量比的丝素和交联剂TF694A 保温共混2-4小时,冷却至室温,用行星式球磨机球磨20-40分钟出料。
所述的原料相对涂层剂的质量百分比为:水性聚氨酯乳液71%、丝素20%、长链烷烃改性光触媒催化剂3%、增稠剂TF601A2%、交联剂TF694A 4%,其中丝素粒径为5μm。
所述的长链烷烃改性光触媒催化剂由下列重量份的原料制成:光触媒12、硅烷偶联剂5、硬脂酸2、无水乙醇200,其制备方法为:将硅烷偶联剂加入一半体积的无水乙醇中,调节该溶液的pH值为3-5,活化10-15分钟,然后加入光触媒粉体用高速搅拌机搅拌2小时,过滤留沉淀并放入烘箱中于130℃下烘2小时,冷却至室温,放入球磨机球磨30-40分钟,加入到剩余一半体积的无水乙醇中搅拌混匀,调节该溶液的pH值为8-9,水浴加热至70℃,加入硬脂酸保温搅拌反应2小时,过滤留沉淀,烘干即得。
所述的光触媒为纳米二氧化钛:半导体锗=9:1的混合体。
所述的硅烷偶联剂为硅烷偶联剂KH-560、甲基三乙氧基硅烷或者乙烯基三乙氧基硅烷中的至少一种。

Claims (5)

1.一种新型环保除臭型防水透湿织物用涂层剂的制作方法,其特征在于包括以下步骤:首先往水性聚氨酯乳液中加入一定质量比的增稠剂TF601A搅拌混匀,升温至90-105℃,然后加入长链烷烃改性光触媒催化剂,保温超声分散20-30分钟,最后再加入一定质量比的丝素和交联剂TF694A 保温共混2-4小时,冷却至室温,用行星式球磨机球磨20-40分钟出料。
2.根据权利要求1所述的一种新型环保除臭型防水透湿织物用涂层剂的制作方法,其特征在于,所述的原料相对涂层剂的质量百分比为:水性聚氨酯乳液71%、丝素20%、长链烷烃改性光触媒催化剂3%、增稠剂TF601A2%、交联剂TF694A 4%,其中丝素粒径为5μm。
3.根据权利要求1或2所述的一种新型环保除臭型防水透湿织物用涂层剂的制作方法,其特征在于,所述的长链烷烃改性光触媒催化剂由下列重量份的原料制成:光触媒10-12、硅烷偶联剂5-7、硬脂酸2-4、无水乙醇190-200,其制备方法为:将硅烷偶联剂加入一半体积的无水乙醇中,调节该溶液的pH值为3-5,活化10-15分钟,然后加入光触媒粉体用高速搅拌机搅拌2小时,过滤留沉淀并放入烘箱中于130℃下烘2小时,冷却至室温,放入球磨机球磨30-40分钟,加入到剩余一半体积的无水乙醇中搅拌混匀,调节该溶液的pH值为8-9,水浴加热至70℃,加入硬脂酸保温搅拌反应2小时,过滤留沉淀,烘干即得。
4.根据权利要求1-3任意一项所述的一种新型环保除臭型防水透湿织物用涂层剂的制作方法,其特征在于,所述的光触媒为纳米二氧化钛:半导体锗=9:1的混合体。
5.根据权利要求3所述的一种新型环保除臭型防水透湿织物用涂层剂的制作方法,其特征在于,所述的硅烷偶联剂为硅烷偶联剂KH-560、甲基三乙氧基硅烷或者乙烯基三乙氧基硅烷中的至少一种。
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Cited By (3)

* Cited by examiner, † Cited by third party
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CN107524016A (zh) * 2017-09-14 2017-12-29 张家港市双河染织有限公司 一种防水面料的制造工艺
CN109575772A (zh) * 2018-11-05 2019-04-05 加通汽车内饰(常熟)有限公司 一种动物蛋白改性水处理剂、其制备方法及其应用
CN111334107A (zh) * 2020-04-23 2020-06-26 福建华峰运动用品科技有限公司 一种3d绘画用涂料、工作液及其制备、使用方法

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