CN115434143A - 一种在低温下制备抗皱棉织物的方法 - Google Patents
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Abstract
本发明涉及一种在低温下制备抗皱棉织物的方法。该方法包括：(1)将棉织物浸入到抗皱整理液中，浸渍，二浸二轧，将浸轧后的棉织物进行密封堆置；(2)将步骤(1)中堆置后的织物进行烘干，烘焙。该方法简单，成本可控，采用的烘焙温度较低，大大降低了生产过程中的能源消耗和设备折旧，所制备的织物折皱回复角和强力保留率较高。
Description
技术领域
本发明属于织物抗皱整理技术领域，特别涉及一种在低温下制备抗皱棉织物的方法。
背景技术
天然的纤维素织物具有柔软、透气、穿着舒适等优点，因此受到了大众的青睐。但同时，棉纤维织物在日常的穿着过程中极易形成褶皱，影响美观。因此，对棉织物进行防皱整理具有重要的现实意义。目前，棉织物的防皱整理在工业中的主要问题是烘焙温度过高，低甲醛N-羟甲基类化合物的整理温度在150℃左右，而多元羧酸类交联剂整理温度在170～180℃。这不仅大大增加了生产过程中的能耗，加重了设备的负担，提高了企业的运行成本，同时还排放出过多的温室气体，不利于环境的保护和社会的可持续发展。因此，降低棉织物的防皱整理温度具有重要的经济价值和生态环保价值。
发明内容
本发明所要解决的技术问题是提供一种在低温下制备抗皱棉织物的方法，以克服现有技术中棉织物抗皱整理温度较高的缺陷。
本发明提供一种在低温下制备抗皱棉织物的方法，包括：
(1)将棉织物浸入到抗皱整理液中，浸渍，二浸二轧，将浸轧后的棉织物进行密封堆置； (2)将步骤(1)中堆置后的织物进行预烘，烘焙，其中烘焙为120～155℃。
优选地，所述步骤(1)中抗皱整理液为多元羧酸整理液或甲醛2D树脂整理液。
优选地，所述抗皱整理液为多元羧酸整理液，烘焙温度为130～155℃。
优选地，所述抗皱整理液为甲醛2D树脂整理液，烘焙温度为120～135℃。
优选地，所述多元羧酸整理液或甲醛2D树脂整理液包括：抗皱整理剂10g/L-100g/L、催化剂10g/L-40g/L、渗透剂1g/L-11g/L以及有机硅柔软剂5g/L-20g/L，其中抗皱整理剂为多元羧酸或甲醛2D树脂。
优选地，所述多元羧酸为丁烷四羧酸、马来酸、衣康酸中的一种或几种；催化剂为次亚磷酸钠或氯化镁；渗透剂为JFC，柔软剂为有机硅柔软剂。
更优选地，所述抗皱整理液为：多元羧酸80g/L，催化剂36.2g/L，渗透剂5g/L，柔软剂20g/L，其中催化剂为次亚磷酸钠，渗透剂为JFC，柔软剂为有机硅柔软剂。
更优选地，所述抗皱整理液为：甲醛2D树脂90g/L，催化剂15g/L，渗透剂5g/L，柔软剂20g/L，其中催化剂为氯化镁，渗透剂为JFC，柔软剂为有机硅柔软剂。
优选地，所述步骤(1)中浸渍时间为10～15s。
优选地，所述步骤(1)中二浸二轧的轧液率为60％～100％。
优选地，所述步骤(1)中堆置温度为25～40℃，堆置时间为1～4小时，堆置采用薄膜密封。
优选地，所述步骤(2)中预烘方式为热定型机上烘干。
优选地，所述步骤(2)中预烘温度为80～100℃，预烘时间为1～10min。更优选地，所述预烘温度为85℃，预烘时间为3min。
优选地，所述步骤(2)中烘焙时间为3～6min。更优选地，所述烘焙温度为140℃，烘焙时间为5min。
本发明降低烘焙温度机理：进行堆置后，整理剂分子进一步的向纤维内部扩散，不仅使得其在纤维内部更加分散，同时还降低了整理剂分子之间的相互作用，在反应过程中增加了整理剂分子与纤维素大分子之间有效碰撞的概率，加大了反应的速率。其次，充分的扩散也增大了整理剂与纤维素之间的反应面积，可以使得更多的整理剂分子参与交联。基于以上两点原因，可以在较低的温度下实现有效交联。
有益效果
本发明与传统抗皱工艺相比，制作方法简单，成本可控，所制备的织物折皱回复角和强力保留率较高，整理后织物的折皱回复角高于240°，强力保留率高于60％。
本发明所采用的烘焙温度较低，相比于传统工艺降低了10～40℃，大大降低了生产过程中的能源消耗和设备折旧，具有明显的工业应用价值。
具体实施方式
下面结合具体实施例，进一步阐述本发明。应理解，这些实施例仅用于说明本发明而不用于限制本发明的范围。此外应理解，在阅读了本发明讲授的内容之后，本领域技术人员可以对本发明作各种改动或修改，这些等价形式同样落于本申请所附权利要求书所限定的范围。
试剂来源：低甲醛2D树脂(2D，萨恩化学技术(上海)有限公司)；丁烷四羧酸(BTCA，萨恩化学技术(上海)有限公司)；马来酸(MA，国药集团化学试剂有限公司)；衣康酸(IA，国药集团化学试剂有限公司)；次亚磷酸钠(SHP，上海麦克林生化科技有限公司)；氯化镁(MGC，上海麦克林生化科技有限公司)。
折皱回复角测试标准：AATCC 66-2008。
强力保留率测试标准：GB3923.1-1997。
标准水洗方法：AATCC 124。
DP等级的测试标准：AATCC 128-2003。
实施例1
将未处理棉织物浸入抗皱整理液中，浸渍10s，然后二浸二轧，控制轧液率为100％，置于30℃下堆置1.5h。然后在85℃下预烘3min，140℃下烘焙5min。抗皱整理液包括丁烷四羧酸80g/L，次亚磷酸钠36.2g/L，渗透剂JFC10g/L，有机硅柔软剂20g/L。经过一次标准水洗后，织物的折皱回复角为248°，强力保留率为64.5％，DP等级为3.0。
实施例2
将未处理棉织物浸入抗皱整理液中，浸渍10s，然后二浸二轧，控制轧液率为100％，置于25℃下堆置2h。然后在85℃下预烘3min，150℃下烘焙3min。抗皱整理液包括马来酸25g/L，衣康酸28.1g/L，次亚磷酸钠36.2g/L，渗透剂JFC10g/L，有机硅柔软剂20g/L。经过一次标准水洗后，织物的折皱回复角为242°，强力保留率为68.2％，DP等级为2.5。
实施例3
将未处理棉织物浸入抗皱整理液中，浸渍10s，然后二浸二轧，控制轧液率为100％，置于40℃下堆置1h。然后在80℃下预烘65s，然后在130℃下烘焙3min。抗皱整理液包括低甲醛2D树脂90g/L，氯化镁15g/L，渗透剂JFC5g/L，有机硅柔软剂20g/L。经过一次标准水洗后，织物的折皱回复角为249°，强力保留率为65.7％，DP等级为2.9。
实施例4
将未处理棉织物浸入抗皱整理液中，浸渍10s，然后二浸二轧，控制轧液率为100％，置于30℃下堆置3h。接着在80℃下预烘65s，然后在150℃下烘焙3min。抗皱整理液包括丁烷四羧酸80g/L，次亚磷酸钠36.2g/L，渗透剂JFC5g/L，柔软剂有机硅柔软剂20g/L。经过一次标准水洗后，织物的折皱回复角为254°，强力保留率为60.12％，DP等级为3.2。
对比例1
将未处理棉织物浸入抗皱整理液中，浸渍10s，然后二浸二轧，控制轧液率为100％，然后在85℃下预烘3min，140℃下烘焙5min。抗皱整理液包括丁烷四羧酸80g/L，次亚磷酸钠36.2g/L，渗透剂JFC10g/L，柔软剂有机硅柔软剂20g/L。经过一次标准水洗后，织物的折皱回复角为232°，强力保留率为68.5％，DP等级为2.6。
对比例2
将未处理棉织物浸入抗皱整理液中，浸渍10s，然后二浸二轧，控制轧液率为100％，然后在85℃下预烘3min，150℃下烘焙3min。抗皱整理液包括马来酸25g/L，衣康酸28.1g/L，次亚磷酸钠36.2g/L，渗透剂JFC10g/L，有机硅柔软剂20g/L。经过一次标准水洗后，织物的折皱回复角为222°，强力保留率为72.5％，DP等级为2.3。
对比例3
将未处理棉织物浸入抗皱整理液中，浸渍10s，然后二浸二轧，控制轧液率为100％。然后在80℃下预烘65s，然后在150℃下烘焙3min。抗皱整理液包括低甲醛2D树脂90g/L，氯化镁15g/L，渗透剂JFC5g/L，有机硅柔软剂20g/L。经过一次标准水洗后，织物的折皱回复角为248°，强力保留率为66.7％，DP等级为3.0。
对比例4
将未处理棉织物浸入抗皱整理液中，浸渍10s，然后二浸二轧，控制轧液率为100％。然后在80℃下预烘65s，然后在160℃下烘焙3min。抗皱整理液包括丁烷四羧酸80g/L，次亚磷酸钠36.2g/L，渗透剂JFC5g/L，柔软剂有机硅柔软剂20g/L。经过一次标准水洗后，织物的折皱回复角为255°，强力保留率为59.6％，DP等级为3.2。
对比例5
将未处理棉织物浸入抗皱整理液中，浸渍10s，然后二浸二轧，控制轧液率为100％，然后在80℃下烘干65s，此时织物的含水率为7％。随后将织物置于30℃下包覆密封堆置 3h后在150℃下烘焙3min。抗皱整理液包括丁烷四羧酸80g/L，次亚磷酸钠36.2g/L，渗透剂JFC5g/L，有机硅柔软剂20g/L。经过一次标准水洗后，织物的折皱回复角为230°，强力保留率为64.8％，DP等级为2.5。
对比例6
将未处理棉织物浸入抗皱整理液中，浸渍10s，然后二浸二轧，控制轧液率为100％，然后在80℃下烘干65s，此时织物的含水率为7％。随后将织物置于30℃下包覆密封堆置 3h。整理后织物水洗烘干。抗皱整理液包括丁烷四羧酸80g/L，次亚磷酸钠36.2g/L，渗透剂JFC5g/L，有机硅柔软剂20g/L。经过一次标准水洗后，织物的折皱回复角为132°，强力保留率为84.8％，DP等级为1.2。
对比例7
将未处理棉织物浸入抗皱整理液中，浸渍10s，然后二浸二轧，控制轧液率为100％，置于30℃下堆置22h，然后水洗烘干。抗皱整理液包括丁烷四羧酸80g/L，次亚磷酸钠36.2g/L，渗透剂JFC5g/L，有机硅柔软剂20g/L。经过一次标准水洗后，织物的折皱回复角为136°，强力保留率为93.2％，DP等级为1.3。
对比例8
将未处理棉织物浸入抗皱整理液中，浸渍10s，然后二浸二轧，控制轧液率为100％，然后在80℃下烘干65s，此时织物的含水率为7％。随后将织物置于40℃下堆置1h。然后在130℃下烘焙3min，整理后织物水洗烘干。抗皱整理液包括低甲醛2D树脂90g/L，氯化镁15g/L，渗透剂JFC5g/L，有机硅柔软剂20g/L。经过一次标准水洗后，织物的折皱回复角为228°，强力保留率为74.1％，DP等级为2.3。
对比例9
将未处理棉织物浸入抗皱整理液中，浸渍10s，然后二浸二轧，控制轧液率为100％，置于40℃下堆置22h，然后水洗烘干。抗皱整理液包括低甲醛2D树脂90g/L，氯化镁15g/L，渗透剂JFC5g/L，有机硅柔软剂20g/L。织物的折皱回复角为130°，强力保留率为95.1％， DP等级为1.3。
对比例10
将未处理棉织物浸入抗皱整理液中，浸渍10s，然后二浸二轧，控制轧液率为100％，然后在80℃下预烘65s，然后在130℃下烘焙3min。抗皱整理液包括低甲醛2D树脂100g/L，氯化镁20g/L，渗透剂JFC10g/L，有机硅柔软剂20g/L。经过一次标准水洗后，织物的折皱回复角为230°，强力保留率为69.7％，DP等级为2.4。
对比例11
将未处理棉织物浸入抗皱整理液中，浸渍10s，然后二浸二轧，控制轧液率为100％。接着在80℃下预烘65s，然后在150℃下烘焙3min。抗皱整理液包括丁烷四羧酸80g/L，次亚磷酸钠36.2g/L，渗透剂JFC5g/L，柔软剂有机硅柔软剂20g/L。经过一次标准水洗后，织物的折皱回复角为235°，强力保留率为62.8％，DP等级为2.6。
本发明实施例1-2与对比例1-2的比较如表1所示。
本发明实施例3-4与对比例3-4，10-11的比较如表2所示。
本发明实施例3-4与对比例5-9的比较如表3所示。
表1：堆置与不堆置整理效果比较(相同整理温度时间)
表2：堆置与不堆置整理条件比较
表3：堆置方式对比
Claims (7)
1.一种在低温下制备抗皱棉织物的方法，包括：
(1)将棉织物浸入到抗皱整理液中，浸渍，二浸二轧，将浸轧后的棉织物进行密封堆置；
(2)将步骤(1)中堆置后的织物进行预烘，烘焙，其中烘焙为120～155℃。
2.根据权利要求1所述的方法，其特征在于，所述步骤(1)中抗皱整理液为多元羧酸整理液或甲醛2D树脂整理液。
3.根据权利要求2所述的方法，其特征在于，所述多元羧酸整理液或甲醛2D树脂整理液包括：抗皱整理剂10g/L-100g/L、催化剂10g/L-40g/L、渗透剂1g/L-11g/L以及柔软剂5g/L-20g/L，其中抗皱整理剂为多元羧酸或甲醛2D树脂。
4.根据权利要求1所述的方法，其特征在于，所述步骤(1)中二浸二轧的轧液率为60％～100％。
5.根据权利要求1所述的方法，其特征在于，所述步骤(1)中堆置温度为25～40℃，堆置时间为1～4小时。
6.根据权利要求1所述的方法，其特征在于，所述步骤(2)中预烘温度为80～100℃，预烘时间为1～10min。
7.根据权利要求1所述的方法，其特征在于，所述步骤(2)中烘焙时间为3～6min。
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| CN1134480A (zh) * | 1995-04-28 | 1996-10-30 | 陈建中 | 织物形状记忆处理剂 |
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| CN104594034A (zh) * | 2015-02-02 | 2015-05-06 | 李宇花 | 一种高支纱贡缎的多功能后整理方法 |
| CN110306344A (zh) * | 2019-07-08 | 2019-10-08 | 东华大学 | 一种协同增效复配体系对棉织物抗皱整理的方法 |
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| CN1134480A (zh) * | 1995-04-28 | 1996-10-30 | 陈建中 | 织物形状记忆处理剂 |
| CN1963012A (zh) * | 2006-12-05 | 2007-05-16 | 东华大学 | 一种防皱整理保护剂及用其对织物进行防皱整理的方法 |
| CN104594034A (zh) * | 2015-02-02 | 2015-05-06 | 李宇花 | 一种高支纱贡缎的多功能后整理方法 |
| CN110306344A (zh) * | 2019-07-08 | 2019-10-08 | 东华大学 | 一种协同增效复配体系对棉织物抗皱整理的方法 |
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