CN111501349A - 一种涤/棉混纺纺织物防污整理的方法 - Google Patents
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Abstract
本发明属于纺织物整理的技术领域,具体涉及一种涤/棉混纺纺织物防污整理的方法。本发明一种涤/棉混纺纺织物防污整理的方法包括:(1)将硅溶胶与纳米硅酮粉分散研磨;然后加入有机硅改性丙烯酸酯乳液、羧甲基纤维素分散得到乳白液;(2)将乳白液作为预整理剂,将涤/棉混纺织物一浸一轧,然后在60℃预热3min;利用水性全氟聚氨酯为终整理剂,二浸二扎;(3)将二浸二扎后的涤/棉混纺织物快速烘焙,卷取,即得。本发明方法处理后的涤/棉混纺纺织物具有优异的防水、防油等防污功能,同时防污的持久性良好。
Description
技术领域
本发明属于纺织物整理的技术领域,具体涉及一种涤/棉混纺纺织物防污整理的方法。
背景技术
众所周知,织物后整理能提高产品质量,增加织物的新品种,赋予织物高附加价值,比较显著的提高其经济效 益。因此,国内外对织物后整理的研究与生产越来越重视。随着功能纺织品的快速发展,对纺织品的功能性后整理技术要求越来越高,各企业和科研机构对其功能化的研究和应用也逐步加强。功能性后整理主要有吸湿快干、防水防油、阻燃、抗静电、抗菌等。
棉织物具有优异的透气性,在纺织品中得到了较为广泛的应用。然而棉织物尺寸稳定性差、容易缩水、容易差生褶皱。因此,复合涤纶的涤/棉混纺纺织品被开发出来。涤/棉混纺纺织品兼具了涤纶纤维耐磨、抗褶皱、挺括的特性,以及棉纤维柔软透气的特性,逐步在高档纺织品中得到应用。然而,由于涤纶纤维属于疏水性纤维,由于对油性吸附力强,在纺织品被溅油污时难以清洗。因此涤/棉混纺织物需要进行疏水疏油的后整理处理。
一般,赋予织物拒水拒油功能,是在织物上施加一种具有特殊分子结构的三防整理剂、改变纤维表面层的组成,降低织物表面能,使水和油不易在织物表面展开、并牢固地附着于纤维或与纤维化学结合,使织物不再被水和常用的食用油类所润湿,这样的工艺称为拒水拒油整理,所用的整理剂分别称为拒水整理剂和拒油整理剂。整理后织物的纤维间和纱线间仍保存着大量的孔隙,这样织物仍保持良好的透气和透湿性、有助于人体皮肤和服装之间的微气候调节,增加穿着舒适感,适用于服装面料。
目前,疏水疏油整理剂主要为含氟整理剂,属于一种特种表面活性剂。由于含氟整理剂具有良好的防水、防油性,在纺织物防污中扮演重要的角色。早期含氟织物整理剂商品主要成分是含氟羧酸络合物,后来是含氟聚合物。目前含氟整理剂主要是含氟聚合物如含氟聚丙烯酸酯类、含氟聚氨酯类等含氟聚合物,是目前市场上主流的含氟织物整理剂。
由于含氟整理剂具有“三高两憎”的特性,即高表面活性、高化学稳定性、高热稳定性、憎水、憎油,在进行纺织品防污整理时大都选择含氟整理剂。然而,含氟整理剂在用于对涤/棉混纺纺织物防污整理时,由于涤纶纤维疏水、棉纤维吸水,难以使含氟整理剂同时牢固的在混纺纺织物表面成膜,利用含氟整理剂处理后的处理后的涤/棉混纺纺织物尽管防污性能优异,但在洗涤时容易脱离纤维,防污持久性较差。
发明内容
针对目前处理涤/棉混纺纺织物防污整理时采用含氟整理剂难以在纺织纤维表面牢固成膜的缺陷,本发明公开了一种涤/棉混纺纺织物防污整理的方法。
一种涤/棉混纺纺织物防污整理的方法,包括以下步骤:
(1)将硅溶胶与纳米硅酮粉分散研磨;然后加入有机硅改性丙烯酸酯乳液、羧甲基纤维素分散得到乳白液;
(2)将步骤(1)得到的乳白液作为预整理剂,将涤/棉混纺织物一浸一轧,使轧余率80%,然后在60℃预热3min;进一步利用水性全氟聚氨酯为终整理剂,二浸二扎,轧余率为70~75%;
(3)将二浸二扎后的涤/棉混纺织物在80~100℃温度下预烘10~15min,在120~130℃快速烘焙30~60s,卷取,得到一种防污涤/棉混纺纺织物。
进一步的,步骤(1)中所述硅溶胶为胶体粒子10~20nm,固含量为15~25wt%的硅溶胶体,其具有良好的分散性和渗透性,当硅溶胶水分蒸发时,胶体粒子牢固地附着在物体表面,粒子间形成硅氧结合,是很好的粘合剂,可以赋予织物耐磨、耐洗、耐污染的特点。
进一步的,步骤(1)中所述纳米硅酮粉为超高分子量硅酮粉 HY-100A,可提高产品的表面光泽度和提高耐刮擦性能,以及提高爽滑性能;具有良好的稳定性和非迁移性。
进一步的,步骤(1)中所述有机硅改性丙烯酸酯乳液为有机硅改性丙烯酸酯乳液SA108,粘度为1000~4000CP,固含量为45~48%。硅丙乳液中有机硅分子以 Si-0化学键的形式结合到丙烯酸酯大分子上,从结构、组成上对丙烯酸酯乳液进行改性。
进一步的,步骤(1)中所述硅溶胶、纳米硅酮粉、有机硅改性丙烯酸酯乳液、羧甲基纤维素的质量比为30~50:3~5:30~40:1~3。
进一步的,步骤(2)中所述的涤/棉混纺织物为市售的65/35涤/棉混纺织物。
进一步的,步骤(2)中所述浸和轧为使用浸轧机HQ-007A对涤/棉混纺织物进行浸轧。浸轧是对织物进行处理加工,将涤/棉混纺织物浸泡在充满了生物酶的浸轧机槽内,待生物酶将纺织物浸渍柔软后,快速通过两只辊筒挤轧,再进行气蒸烘干,而完成对纺织用品的处理。浸轧对纤维损伤小,处理织物的品质高,手感柔软,处理废水的色度、pH值、COD值远低于传统工艺,减轻了污水处理的负担,有利于生态环境保护,还具有生产效率高、劳动强度低、节能、节水等特点。
通过两次浸轧避免单次浸轧对涤/棉混纺织物的纤维形成损失,两次浸轧对涤/棉混纺织物的损伤小,处理之后涤/棉混纺织物具有更好的手感,两次浸轧也将柔软整理剂牢牢附着在涤/棉混纺织物的纤维上。
本发明步骤(2)中所述轧余率是指涤/棉混纺织物经过浆槽浸泡带上溶液后,经过轧棍轧过后布面上带的溶液重量和浸轧前原来织物重量的百分比。轧余率也叫带液率,是织物上带的液体重量与织物本身重量的百分比。准确的说法是经过浆槽带上溶液后,经过轧棍轧过后布面上带的溶液重量和浸轧前原来织物重量的百分比。二浸二轧指的是织物浸染染液后经轧辊轧过,重复两次。A 浸轧前织物重;B浸轧后织物重,轧余率=(B-A)/A *100%。如:织物原重100克,经过两次浸轧后,重180克,轧余率为80%。
进一步的,步骤(2)中所述水性全氟聚氨酯为全氟聚氨酯整理液ABS 3001MF,具有防水防油的性能。防水防油整理是将一种具有特殊分子结构的整理剂均匀地涂覆至织物表面,牢固地附着于纤维,或与纤维发生化学结合,在纱线表面交联成膜,以有效地阻止水、油进入纤维内部或纤维之间,从而使织物不易被水和常用油类所润湿。
本发明通过将硅酮粉与硅溶胶研磨复合,然后与有机硅改性丙烯酸酯乳液、羧甲基纤维素分散为乳白液,该乳白液对涤/棉混纺纺织物进行预整理,使其具有良好的浸润性,然后采用水性全氟聚氨酯整理剂进行整理。硅酮粉采用纳米级超高分子量硅酮粉,其显著的优势是,使纳米级超高分子量硅酮粉在进行对涤/棉混纺纺织物整理时,全氟聚氨酯与硅酮粉各自占位,相互协调,赋予涤/棉混纺纺织物疏水疏油防污功能,同时在进行后整理加热处理时,全氟聚氨酯成膜,超高分子量硅酮粉熔化成膜,在涤/棉混纺纺织物纤维渗透形成牢固的附着,从而附着,从而有效提升整理剂附着牢固度。
本发明通过将涤/棉混纺纺织物在预整理剂中浸轧后,在终整理剂再次浸轧,赋予涤/棉混纺纺织物疏水疏油防污功能的同时,提升整理剂附着的牢固度。与现有技术相比:经本发明处理后的涤/棉混纺纺织物具有优异的防水、防油等防污功能,同时防污的持久性良好。
附图说明
图1:为本发明整理涤/棉混纺纺织物的流程图;
图2:采用本发明实施例1整理涤棉混纺织物洗涤前后的疏油接触角对比照片,图中a为洗涤前照片,b为洗涤后照片,实施例1整理的涤/棉混纺纺织物在洗涤前后均保持良好的疏油性,油滴呈球形;
图3:对比例1整理的涤棉混纺织物洗涤前后的疏油接触角对比照片,图中c为洗涤前照片,d为洗涤后照片,对比例1整理的涤/棉混纺纺织物在洗涤前后疏油性接触角变化较大。
具体实施方式
以下通过具体实施方式对本发明作进一步的详细说明,但不应将此理解为本发明的范围仅限于以下的实例。在不脱离本发明上述方法思想的情况下,根据本领域普通技术知识和惯用手段做出的各种替换或变更,均应包含在本发明的范围内。
实施例1
一种涤/棉混纺纺织物防污整理的方法,包括以下步骤:
(1)将硅溶胶与纳米硅酮粉分散研磨;然后加入有机硅改性丙烯酸酯乳液、羧甲基纤维素分散得到乳白液;所述硅溶胶为胶体粒子15nm,固含量为20wt%的硅溶胶体;所述纳米硅酮粉为超高分子量硅酮粉 HY-100A;所述有机硅改性丙烯酸酯乳液为有机硅改性丙烯酸酯乳液SA108,粘度为1000~4000CP,固含量为45~48%;所述硅溶胶、纳米硅酮粉、有机硅改性丙烯酸酯乳液、羧甲基纤维素的质量比为40:4:35:2;
(2)将步骤(1)得到的乳白液作为预整理剂,将涤/棉混纺织物一浸一轧,使轧余率80%,然后在60℃预热3min;进一步利用水性全氟聚氨酯为终整理剂,二浸二扎,轧余率为72%;所述的涤/棉混纺织物为市售的65/35涤/棉混纺织物;所述浸和轧为使用浸轧机HQ-007A对涤/棉混纺织物进行浸轧;所述轧余率是指涤/棉混纺织经过浆槽浸泡带上溶液后,经过轧棍轧过后布面上带的溶液重量和浸轧前原来织物重量的百分比;所述水性全氟聚氨酯为全氟聚氨酯整理液ABS 3001MF,具有防水防油的性能。
(3)将二浸二扎后的涤/棉混纺织物在90℃温度下预烘13min,在125℃快速烘焙40s,卷取,得到一种防污涤/棉混纺纺织物。
实施例2
一种涤/棉混纺纺织物防污整理的方法,包括以下步骤:
(1)将硅溶胶与纳米硅酮粉分散研磨;然后加入有机硅改性丙烯酸酯乳液、羧甲基纤维素分散得到乳白液;所述硅溶胶为胶体粒子20nm,固含量为15wt%的硅溶胶体;所述纳米硅酮粉为超高分子量硅酮粉 HY-100A;所述有机硅改性丙烯酸酯乳液为有机硅改性丙烯酸酯乳液SA108,粘度为1000~4000CP,固含量为45~48%;所述硅溶胶、纳米硅酮粉、有机硅改性丙烯酸酯乳液、羧甲基纤维素的质量比为30: 5:30:1;
(2)将步骤(1)得到的乳白液作为预整理剂,将涤/棉混纺织物一浸一轧,使轧余率80%,然后在60℃预热3min;进一步利用水性全氟聚氨酯为终整理剂,二浸二扎,轧余率为75%;所述的涤/棉混纺织物为市售的65/35涤/棉混纺织物;所述浸和轧为使用浸轧机HQ-007A对涤/棉混纺织物进行浸轧;所述轧余率是指涤/棉混纺织经过浆槽浸泡带上溶液后,经过轧棍轧过后布面上带的溶液重量和浸轧前原来织物重量的百分比;所述水性全氟聚氨酯为全氟聚氨酯整理液ABS 3001MF,具有防水防油的性能。
(3)将二浸二扎后的涤/棉混纺织物在100℃温度下预烘10min,在120℃快速烘焙30s,卷取,得到一种防污涤/棉混纺纺织物。
实施例3
一种涤/棉混纺纺织物防污整理的方法,包括以下步骤:
(1)将硅溶胶与纳米硅酮粉分散研磨;然后加入有机硅改性丙烯酸酯乳液、羧甲基纤维素分散得到乳白液;所述硅溶胶为胶体粒子17nm,固含量为20wt%的硅溶胶体;所述纳米硅酮粉为超高分子量硅酮粉 HY-100A;所述有机硅改性丙烯酸酯乳液为有机硅改性丙烯酸酯乳液SA108,粘度为1000~4000CP,固含量为45~48%;所述硅溶胶、纳米硅酮粉、有机硅改性丙烯酸酯乳液、羧甲基纤维素的质量比为50:5: 40:3;
(2)将步骤(1)得到的乳白液作为预整理剂,将涤/棉混纺织物一浸一轧,使轧余率80%,然后在60℃预热3min;进一步利用水性全氟聚氨酯为终整理剂,二浸二扎,轧余率为70%;所述的涤/棉混纺织物为市售的65/35涤/棉混纺织物;所述浸和轧为使用浸轧机HQ-007A对涤/棉混纺织物进行浸轧;所述轧余率是指涤/棉混纺织经过浆槽浸泡带上溶液后,经过轧棍轧过后布面上带的溶液重量和浸轧前原来织物重量的百分比;所述水性全氟聚氨酯为全氟聚氨酯整理液ABS 3001MF,具有防水防油的性能。
(3)将二浸二扎后的涤/棉混纺织物在80℃温度下预烘15min,在125℃快速烘焙40s,卷取,得到一种防污涤/棉混纺纺织物。
实施例4
一种涤/棉混纺纺织物防污整理的方法,包括以下步骤:
(1)将硅溶胶与纳米硅酮粉分散研磨;然后加入有机硅改性丙烯酸酯乳液、羧甲基纤维素分散得到乳白液;所述硅溶胶为胶体粒子18nm,固含量为18wt%的硅溶胶体;所述纳米硅酮粉为超高分子量硅酮粉 HY-100A;所述有机硅改性丙烯酸酯乳液为有机硅改性丙烯酸酯乳液SA108,粘度为1000~4000CP,固含量为46%;所述硅溶胶、纳米硅酮粉、有机硅改性丙烯酸酯乳液、羧甲基纤维素的质量比为45: 5:35:2;
(2)将步骤(1)得到的乳白液作为预整理剂,将涤/棉混纺织物一浸一轧,使轧余率80%,然后在60℃预热3min;进一步利用水性全氟聚氨酯为终整理剂,二浸二扎,轧余率为74%;所述的涤/棉混纺织物为市售的65/35涤/棉混纺织物;所述浸和轧为使用浸轧机HQ-007A对涤/棉混纺织物进行浸轧;所述轧余率是指涤/棉混纺织经过浆槽浸泡带上溶液后,经过轧棍轧过后布面上带的溶液重量和浸轧前原来织物重量的百分比;所述水性全氟聚氨酯为全氟聚氨酯整理液ABS 3001MF,具有防水防油的性能。
(3)将二浸二扎后的涤/棉混纺织物在95℃温度下预烘12min,在122℃快速烘焙50s,卷取,得到一种防污涤/棉混纺纺织物。
实施例5
一种涤/棉混纺纺织物防污整理的方法,包括以下步骤:
(1)将硅溶胶与纳米硅酮粉分散研磨;然后加入有机硅改性丙烯酸酯乳液、羧甲基纤维素分散得到乳白液;所述硅溶胶为胶体粒子19nm,固含量为17wt%的硅溶胶体;所述纳米硅酮粉为超高分子量硅酮粉 HY-100A;所述有机硅改性丙烯酸酯乳液为有机硅改性丙烯酸酯乳液SA108,粘度为1000~4000CP,固含量为45~48%;所述硅溶胶、纳米硅酮粉、有机硅改性丙烯酸酯乳液、羧甲基纤维素的质量比为44: 5:38: 3;
(2)将步骤(1)得到的乳白液作为预整理剂,将涤/棉混纺织物一浸一轧,使轧余率80%,然后在60℃预热3min;进一步利用水性全氟聚氨酯为终整理剂,二浸二扎,轧余率为74%;所述的涤/棉混纺织物为市售的65/35涤/棉混纺织物;所述浸和轧为使用浸轧机HQ-007A对涤/棉混纺织物进行浸轧;所述轧余率是指涤/棉混纺织经过浆槽浸泡带上溶液后,经过轧棍轧过后布面上带的溶液重量和浸轧前原来织物重量的百分比;所述水性全氟聚氨酯为全氟聚氨酯整理液ABS 3001MF,具有防水防油的性能。
(3)将二浸二扎后的涤/棉混纺织物在85℃温度下预烘12min,在128℃快速烘焙50s,卷取,得到一种防污涤/棉混纺纺织物。
实施例6
一种涤/棉混纺纺织物防污整理的方法,包括以下步骤:
(1)将硅溶胶与纳米硅酮粉分散研磨;然后加入有机硅改性丙烯酸酯乳液、羧甲基纤维素分散得到乳白液;所述硅溶胶为胶体粒子12nm,固含量为16wt%的硅溶胶体;所述纳米硅酮粉为超高分子量硅酮粉 HY-100A;所述有机硅改性丙烯酸酯乳液为有机硅改性丙烯酸酯乳液SA108,粘度为1000~4000CP,固含量为45~48%;所述硅溶胶、纳米硅酮粉、有机硅改性丙烯酸酯乳液、羧甲基纤维素的质量比为35: 5:30:3;
(2)将步骤(1)得到的乳白液作为预整理剂,将涤/棉混纺织物一浸一轧,使轧余率80%,然后在60℃预热3min;进一步利用水性全氟聚氨酯为终整理剂,二浸二扎,轧余率为71%;所述的涤/棉混纺织物为市售的65/35涤/棉混纺织物;所述浸和轧为使用浸轧机HQ-007A对涤/棉混纺织物进行浸轧;所述轧余率是指涤/棉混纺织经过浆槽浸泡带上溶液后,经过轧棍轧过后布面上带的溶液重量和浸轧前原来织物重量的百分比;所述水性全氟聚氨酯为全氟聚氨酯整理液ABS 3001MF,具有防水防油的性能。
(3)将二浸二扎后的涤/棉混纺织物在88℃温度下预烘13min,在128℃快速烘焙35s,卷取,得到一种防污涤/棉混纺纺织物。
对比例1
未加入纳米硅酮粉,其余与实施例1一致,由于没有超高分子量硅酮粉在涤/棉混纺纺织物纤维渗透形成牢固的附着,因此没有提升整理剂附着牢固度,经过整理后的涤/棉混纺纺织物在洗涤后疏水疏油防污性能降低。
对比例2
为未经整理的市售的65/35涤/棉混纺织物。
参考GB/T 8629-2001《纺织品试验用家庭洗涤和干燥程序》对实施例1、对比例1-2的混纺纺织物进行洗涤,洗涤选用A型标准洗衣机,3N型洗涤程序,C型干燥程序。纺织物进行洗涤10次。测试洗涤前后接触角的变化。
采用JC2000C1静滴接触角测量仪测试接触角,通过在织物表面垂直利用注射器注射水、食用油,然后在织物表面形成近似圆形液滴,使用高分辨率照相机从液滴形状或侧视图捕获图像,测定接触角,以此对比分析测试涤/棉混纺纺织物的疏水疏油防污性能。
测试结果如表1所示。
表1
综上,经本发明整理后的涤/棉混纺纺织物的具有优异的防水、防油等防污功能,在洗涤后,由于硅溶胶、硅酮粉,使附着牢固,仍然呈现出良好的疏水疏油防污性能,防污的持久性良好。
Claims (8)
1.一种涤/棉混纺纺织物防污整理的方法,其特征在于,包括以下步骤:
(1)将硅溶胶与纳米硅酮粉分散研磨;然后加入有机硅改性丙烯酸酯乳液、羧甲基纤维素分散得到乳白液;
(2)将步骤(1)得到的乳白液作为预整理剂,将涤/棉混纺织物一浸一轧,使轧余率80%,然后在60℃预热3min;进一步利用水性全氟聚氨酯为终整理剂,二浸二扎,轧余率为70~75%;
(3)将二浸二扎后的涤/棉混纺织物在80~100℃温度下预烘10~15min,在120~130℃快速烘焙30~60s,卷取,得到一种防污涤/棉混纺纺织物。
2.根据权利要求1所述一种涤/棉混纺纺织物防污整理的方法,其特征在于,步骤(1)中所述硅溶胶为胶体粒子10~20nm,固含量为15~25wt%的硅溶胶体。
3.根据权利要求1所述一种涤/棉混纺纺织物防污整理的方法,其特征在于,步骤(1)中所述纳米硅酮粉为超高分子量硅酮粉 HY-100A。
4.根据权利要求1所述一种涤/棉混纺纺织物防污整理的方法,其特征在于,步骤(1)中所述有机硅改性丙烯酸酯乳液为有机硅改性丙烯酸酯乳液SA108,粘度为1000~4000CP,固含量为45~48%。
5.根据权利要求1所述一种涤/棉混纺纺织物防污整理的方法,其特征在于,步骤(1)中所述硅溶胶、纳米硅酮粉、有机硅改性丙烯酸酯乳液、羧甲基纤维素的质量比为30~50:3~5:30~40:1~3。
6.根据权利要求1所述一种涤/棉混纺纺织物防污整理的方法,其特征在于,步骤(2)中所述的涤/棉混纺织物为市售的65/35涤/棉混纺织物。
7.根据权利要求1所述一种涤/棉混纺纺织物防污整理的方法,其特征在于,步骤(2)中所述浸和轧为使用浸轧机HQ-007A对涤/棉混纺织物进行浸轧。
8.根据权利要求1所述一种涤/棉混纺纺织物防污整理的方法,其特征在于,步骤(2)中所述水性全氟聚氨酯为全氟聚氨酯整理液ABS 3001MF。
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CN114960215A (zh) * | 2022-06-09 | 2022-08-30 | 杭州天瑞印染有限公司 | 人棉涤织物的三防整理工艺 |
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