CN107858823A - 手感柔和的织物前处理工艺 - Google Patents

手感柔和的织物前处理工艺 Download PDF

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CN107858823A
CN107858823A CN201711352422.5A CN201711352422A CN107858823A CN 107858823 A CN107858823 A CN 107858823A CN 201711352422 A CN201711352422 A CN 201711352422A CN 107858823 A CN107858823 A CN 107858823A
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soft touch
pretreatment technique
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陆伟明
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CHANGSHU LEDEWEI WEAVING Co Ltd
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    • D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
    • D06M11/76—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon oxides or carbonates
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    • D06M2200/50—Modified hand or grip properties; Softening compositions

Abstract

本发明揭示了一种手感柔和的织物前处理工艺，所述手感柔和的织物前处理工艺的步骤包括：(1)坯布准备,(2)烧毛,(3)退浆,(4)煮练,(5)漂白,(6)丝光，本发明的手感柔和的织物前处理工艺具有退浆速度快，效率高，退浆后织物的手感柔软，质地均匀，质量较好等优点。

Description

手感柔和的织物前处理工艺
技术领域
本发明涉及一种手感柔和的织物前处理工艺。
背景技术
纺织用天然浆料的主要组分是植物淀粉及变性淀粉，其中变性淀粉包括氧化淀粉、酸水解淀粉、可溶性淀粉乳化油脂 ；化学浆料包括聚乙烯醇 (PVA)、聚丙烯酸 (PAA)、聚丙烯酰胺 (PAAM) 等。这些浆料混合使用，给印染加工增加了许多困难。尤其是纯棉厚织物所用的大多数是低级棉，所含杂质多，上浆量大且种类复杂。因此，在练漂过程中往往造成退浆效果差、白度差，且易产生履带印和压布印等疵病，其染品的摩擦牢度亦差。
发明内容
本发明的目的在于提供具有退浆速度快，效率高，退浆后织物的手感柔软，质地均匀，质量较好等优点的一种手感柔和的织物前处理工艺。
本发明的技术方案是：一种手感柔和的织物前处理工艺，所述手感柔和的织物前处理工艺的步骤包括：
（1）坯布准备：在温度为90-100℃的缸内加入织物，接着依次加入碳酸钠、精炼剂、柔软剂和消泡剂，并保温25-35分钟，烘干后等到坯布；
（2）烧毛：将坯布以平幅状迅速地通过烧毛机的火焰或擦过赤热的金属表面，致使布面上的绒毛因快速升温而燃烧，而坯布本身因结构比较紧密、厚实、升温较慢，在温度尚未达到着火点时就已经离开了火焰或赤热的金属表面，从而达到烧去了绒毛；
（3）退浆：将烧毛后的坯布浸轧热水后，在退浆池内保温堆置若干小时，使浆料溶胀而易于用水洗去；
（4）煮练：将退浆后的坯布，用1.15％的硫代硫酸钠在85℃的温度下处理6min，去除残留在坯布上的浆料，然后在0．4％的醋酸水溶液中65℃的温度下，洗6 min，中和残留的碱，为漂白做准备;
（5）漂白: 漂白时，用2g/L的硫代硫酸钠在80℃的温度下处理10 min，以去除残留的氯，然后再用漂白剂，热水、冷水各洗一遍；
（6）丝光: 漂白后的坯布，经过浓烧碱处理，得到成品。
在本发明一个较佳实施例中，所述步骤（3）中退浆池内保温的温度为25-40℃。
在本发明一个较佳实施例中，所述步骤（5）中漂白剂为次氯酸钠、过氧化氢或亚氯酸钠。
在本发明一个较佳实施例中，所述步骤（1）中织物是由经线和纬线交织而成的涤纶面料。
在本发明一个较佳实施例中，所述经线为木浆纤维，所述纬线为涤纶阳离子纤维。
在本发明一个较佳实施例中，其特征在于：所述经密度为11.8根/cm，纬密度为14.8根/cm。
本发明的一种手感柔和的织物前处理工艺，具有退浆速度快，效率高，退浆后织物的手感柔软，质地均匀，质量较好等优点。
具体实施方式
下面结合对本发明的较佳实施例进行详细阐述，以使本发明的优点和特征能更易于被本领域技术人员理解，从而对本发明的保护范围做出更为清楚明确的界定。
在一实施例中，一种手感柔和的织物前处理工艺，所述手感柔和的织物前处理工艺的步骤包括：
（1）坯布准备：在温度为90-100℃的缸内加入织物，接着依次加入碳酸钠、精炼剂、柔软剂和消泡剂，并保温25-35分钟，烘干后等到坯布；
（2）烧毛：将坯布以平幅状迅速地通过烧毛机的火焰或擦过赤热的金属表面，致使布面上的绒毛因快速升温而燃烧，而坯布本身因结构比较紧密、厚实、升温较慢，在温度尚未达到着火点时就已经离开了火焰或赤热的金属表面，从而达到烧去了绒毛；
（3）退浆：将烧毛后的坯布浸轧热水后，在退浆池内保温堆置若干小时，使浆料溶胀而易于用水洗去；
（4）煮练：将退浆后的坯布，用1.15％的硫代硫酸钠在85℃的温度下处理6min，去除残留在坯布上的浆料，然后在0．4％的醋酸水溶液中65℃的温度下，洗6 min，中和残留的碱，为漂白做准备;
（5）漂白: 漂白时，用2g/L的硫代硫酸钠在80℃的温度下处理10 min，以去除残留的氯，然后再用漂白剂，热水、冷水各洗一遍；
（6）丝光: 漂白后的坯布，经过浓烧碱处理，得到成品。
进一步说明，所述步骤（3）中退浆池内保温的温度为25-40℃，所述步骤（5）中漂白剂为次氯酸钠、过氧化氢或亚氯酸钠，所述步骤（1）中织物是由经线和纬线交织而成的涤纶面料，所述经线为木浆纤维，所述纬线为涤纶阳离子纤维，其特征在于：所述经密度为11.8根/cm，纬密度为14.8根/cm。
在进一步说明，经过退浆后，大部分浆料及少部分天然杂质已被去除，但涤纶纤维中的大部分天然杂质，如蜡状物质、果胶质、含氮物质、棉籽壳及少部分油剂和少量浆料还残留在面料上，使涤纶纤维面料布面较黄，吸湿渗透性差，不能适应后续染整加工的要求。为了使涤纶纤维面料具有一定的吸水性和渗透性，有利于染整加工过程中染料助剂的吸附、扩散，因此在退浆以后还要经过煮练，以去除涤纶纤维中大部分的残留杂质。烧碱是棉及棉型面料煮练的主要用剂，在较长时间及一定的温度作用下，可与面料上的各类杂质起作用。如可使蜡状物质中的脂肪酸皂化成脂肪酸钠盐，转化成乳化剂，使不易皂化的蜡质去除。另外能使果胶质和含氮物质水解成可溶性物质而去除。棉籽壳在碱煮过程中发生溶胀，变得松软而容易去除。为了加强煮练效果，另外，还有加入一定量的表面活性剂，如亚硫酸钠、硅酸钠、磷酸钠等助练剂。在表面活性剂作用下，煮练液容易润湿面料，并渗透到面料内部，有助于杂质的去除。亚硫酸钠能使木质素变成可溶性的木质素磺酸钠，有助于棉籽壳的去除。另外，因其具有还原性，还可以防止涤纶纤维在高温带碱情况下被空气氧化而受到损伤，并可提高涤纶纤维面料的白度。硅酸钠俗称水玻璃或泡花碱，具有吸附煮练液中铁质和涤纶纤维中杂质分解产物的能力，可防止在面料上产生锈斑赫杂质分解产物的再沉淀，有助于提高面料的吸水性和白度。磷酸钠具有软化水的作用，去除煮练液中钙、镁离子，提高煮练效果，节省助剂用量。退浆的主要过程是渗透、乳化、分散、净洗。所以退浆剂要有好的渗透性。乳化性以及分散性能。一般用来作为退浆剂有乳化力好的表面活性剂如异构十三醇聚氧乙烯醚，FMEE，1815在退浆上使用广泛。一些氧化剂如亚溴酸钠，过硫酸铵盐或钾盐，可以氧化浆料达到去除的目的，还有一定的漂白作用。另外双氧水在退浆过程中也有很大作用，目前比较新型的技术，双氧水活化剂，以及双氧水/尿素活化体系在前处理退浆中有较好的效果。为了防止退下来的浆料凝聚反沾，需要添加一些螯合分散剂和助洗剂等等，如三聚磷酸钠，磷酸二氢钠，五水偏硅酸钠，一些碱剂，碳酸钠等。本发明提供一种手感柔和的织物前处理工艺，具有退浆速度快，效率高，退浆后织物的手感柔软，质地均匀，质量较好等优点。
本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本领域的技术人员在本发明所揭露的技术范围内，可不经过创造性劳动想到的变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应该以权利要求书所限定的保护范围为准。

Claims (6)

1.一种手感柔和的织物前处理工艺，其特征在于：所述手感柔和的织物前处理工艺的步骤包括：
（1）坯布准备：在温度为90-100℃的缸内加入织物，接着依次加入碳酸钠、精炼剂、柔软剂和消泡剂，并保温25-35分钟，烘干后等到坯布；
（2）烧毛：将坯布以平幅状迅速地通过烧毛机的火焰或擦过赤热的金属表面，致使布面上的绒毛因快速升温而燃烧，而坯布本身因结构比较紧密、厚实、升温较慢，在温度尚未达到着火点时就已经离开了火焰或赤热的金属表面，从而达到烧去了绒毛；
（3）退浆：将烧毛后的坯布浸轧热水后，在退浆池内保温堆置若干小时，使浆料溶胀而易于用水洗去；
（4）煮练：将退浆后的坯布，用1.15％的硫代硫酸钠在85℃的温度下处理6min，去除残留在坯布上的浆料，然后在0．4％的醋酸水溶液中65℃的温度下，洗6 min，中和残留的碱，为漂白做准备;
（5）漂白: 漂白时，用2g/L的硫代硫酸钠在80℃的温度下处理10 min，以去除残留的氯，然后再用漂白剂，热水、冷水各洗一遍；
（6）丝光: 漂白后的坯布，经过浓烧碱处理，得到成品。
2.根据权利要求1所述的手感柔和的织物前处理工艺，其特征在于：所述步骤（3）中退浆池内保温的温度为25-40℃。
3.根据权利要求1所述的手感柔和的织物前处理工艺，其特征在于：所述步骤（5）中漂白剂为次氯酸钠、过氧化氢或亚氯酸钠。
4.根据权利要求1所述的手感柔和的织物前处理工艺，其特征在于：所述步骤（1）中织物是由经线和纬线交织而成的涤纶面料。
5.根据权利要求4所述的手感柔和的织物前处理工艺，其特征在于：所述经线为木浆纤维，所述纬线为涤纶阳离子纤维。
6.根据权利要求4所述的手感柔和的织物前处理工艺，其特征在于：所述经密度为11.8根/cm，纬密度为14.8根/cm。
CN201711352422.5A 2017-12-15 2017-12-15 手感柔和的织物前处理工艺 Pending CN107858823A (zh)

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