CN105200779A - Anti-crease finishing liquid suitable for pure cotton fabric - Google Patents
Anti-crease finishing liquid suitable for pure cotton fabric Download PDFInfo
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Abstract
本发明公开了一种适用于纯棉织物的抗皱整理液，以重量组分计，包括如下组分：丝素整理液5~9份；磺羧酸型水溶性聚氨酯2~6份；丙烯酸羟乙酯0.1~1份；去离子水200份。本发明的抗皱整理液能够应用于纯棉织物取得良好的抗皱效果，且保持纯棉织物的手感良好、穿着舒适的优点；此外，该抗皱整理液还安全环保，不会释放甲醛。The invention discloses an anti-wrinkle finishing liquid suitable for pure cotton fabrics, which comprises the following components in terms of weight components: 5-9 parts of silk fibroin finishing liquid; 2-6 parts of sulfocarboxylic acid type water-soluble polyurethane; acrylic acid hydroxyl 0.1~1 part of ethyl ester; 200 parts of deionized water. The anti-wrinkle finishing solution of the present invention can be applied to pure cotton fabrics to achieve good anti-wrinkle effects, and maintain the advantages of good hand feeling and comfortable wearing of pure cotton fabrics; in addition, the anti-wrinkle finishing solution is safe and environmentally friendly, and does not release formaldehyde.
Description
技术领域 technical field
本发明涉及纯棉织物改性技术领域，具体涉及一种适用于纯棉织物的抗皱整理液。 The invention relates to the technical field of pure cotton fabric modification, in particular to an anti-wrinkle finishing solution suitable for pure cotton fabric.
背景技术 Background technique
纯棉面料是以棉花为原料，经纺织工艺生产的面料，具有吸湿、保湿、耐热、耐碱、卫生等特点。纯棉面料穿着舒适、亲肤性好，受到人们的广泛青睐，尤其在婴幼儿服装中被视为最安全的面料。但纯棉织物弹性较差，在穿着和洗涤过程中容易起皱和变形，需要经常熨烫或进行抗皱整理。目前，工业上应用较多的抗皱整理剂是树脂整理剂，但这类整理剂生产成本较高，且在穿着和使用过程中容易释放出甲醛。甲醛是一种有毒的化学品，一种皮肤刺激剂和过敏剂，可剧烈刺激眼睛、皮肤和黏膜，更是一种致癌性物质。因此，开发一种适用于纯棉织物的安全、无毒、环保的抗皱整理剂迫在眉睫。 Pure cotton fabric is made of cotton as raw material and produced by textile technology, which has the characteristics of moisture absorption, moisturizing, heat resistance, alkali resistance, and hygiene. Pure cotton fabrics are comfortable to wear and have good skin-friendly properties, and are widely favored by people, especially in infant clothing, which is regarded as the safest fabric. However, pure cotton fabrics have poor elasticity, and are easy to wrinkle and deform during wearing and washing, and require frequent ironing or anti-wrinkle finishing. At present, the anti-wrinkle finishing agent widely used in industry is resin finishing agent, but the production cost of this kind of finishing agent is high, and it is easy to release formaldehyde in the process of wearing and using. Formaldehyde is a toxic chemical, a skin irritant and sensitizer, can severely irritate the eyes, skin and mucous membranes, and is a carcinogen. Therefore, it is imminent to develop a safe, non-toxic and environmentally friendly anti-wrinkle finishing agent suitable for pure cotton fabrics.
发明内容 Contents of the invention
本发明提供一种适用于纯棉织物的抗皱整理液，能够应用于纯棉织物取得良好的抗皱效果，且保持纯棉织物的手感良好、穿着舒适的优点；此外，该抗皱整理液还安全环保，不会释放甲醛。 The invention provides an anti-wrinkle finishing solution suitable for pure cotton fabrics, which can be applied to pure cotton fabrics to obtain good anti-wrinkle effects, and maintain the advantages of good hand feeling and comfortable wearing of pure cotton fabrics; in addition, the anti-wrinkle finishing solution is also safe and environmentally friendly , will not release formaldehyde.
本发明的技术方案如下： Technical scheme of the present invention is as follows:
一种适用于纯棉织物的抗皱整理液，以重量份记包括如下组分： A kind of anti-wrinkle finishing solution suitable for pure cotton fabrics comprises the following components in parts by weight:
丝素整理液5~9份； 5-9 parts of silk fibroin finishing solution;
磺羧酸型水溶性聚氨酯2~6份； 2~6 parts of sulfocarboxylic acid type water-soluble polyurethane;
丙烯酸羟乙酯0.1~1份； 0.1~1 part of hydroxyethyl acrylate;
去离子水200份。 200 parts of deionized water.
优选地，一种适用于纯棉织物的抗皱整理液，以重量份记包括如下组分： Preferably, a kind of anti-wrinkle finishing solution suitable for pure cotton fabrics includes the following components in parts by weight:
丝素整理液7份； 7 parts of silk fibroin finishing solution;
磺羧酸型水溶性聚氨酯4份； 4 parts of sulfocarboxylic acid type water-soluble polyurethane;
丙烯酸羟乙酯0.5份； 0.5 parts of hydroxyethyl acrylate;
去离子水200份。 200 parts of deionized water.
本发明的一种适用于纯棉织物的抗皱整理液的制备方法包括如下步骤： A kind of preparation method of the anti-wrinkle finishing liquid that is applicable to pure cotton fabric of the present invention comprises the steps:
(1)将蚕丝浸轧在2g/L的碳酸钠溶液中进行脱胶处理，然后冷水洗涤后烘干； (1) silk padding is carried out degumming treatment in the sodium carbonate solution of 2g/L, then dry after cold water washing;
(2)将氯化钙溶液、去离子水和无水乙醇以1:7:2的比例配制成混合溶液，将经步骤1处理脱胶后的蚕丝浸泡在混合溶液中，70℃下放置3h； (2) Calcium chloride solution, deionized water and absolute ethanol are formulated into a mixed solution in a ratio of 1:7:2, and the silk degummed after step 1 is soaked in the mixed solution, and placed at 70° C. for 3 hours;
(3)将步骤2得到的物质转移到纳滤膜中，经去离子水透析，去除Ca2+、Cl-离子，再经活性炭吸附、过滤，得到丝素整理液； (3) Transfer the substance obtained in step 2 to a nanofiltration membrane, dialyze through deionized water to remove Ca 2+ , Cl − ions, and then adsorb and filter through activated carbon to obtain silk fibroin finishing solution;
(4)将步骤3得到的丝素整理液与磺羧酸型水溶性聚氨酯、丙烯酸羟乙酯以及去离子水混合，超声搅拌90min，得到适用于纯棉织物的抗皱整理液。 (4) Mix the silk fibroin finishing solution obtained in step 3 with sulfocarboxylic acid-type water-soluble polyurethane, hydroxyethyl acrylate and deionized water, and ultrasonically stir for 90 minutes to obtain an anti-wrinkle finishing solution suitable for pure cotton fabrics.
本发明具有以下技术效果： The present invention has the following technical effects:
本发明中的丝素整理液近年来被广泛用于真丝织物的抗皱处理中，并取得了良好效果。但丝素分子结构中缺乏能与棉纤维发生共价交联的基团，因此若单独应用于纯棉织物的抗皱处理中效果不佳；为了解决这一问题，在本发明的抗皱整理液中引入了磺羧酸型水溶性聚氨酯，该物质在高温作用下发生解封反应，得到端基为-NCO的预聚体，在棉纤维上形成具有交联网状结构的薄膜；另一方面，-NCO具有很高的反应活性，可以与棉纤维上的羟基、丝素整理剂上的氨基等基团发生反应，提高整理剂与棉纤维的结合力。本发明中还加入了丙烯酸羟乙酯作为交联剂，可以在线型分子间起架桥作用，从而使棉纤维、丝素整理剂和聚氨酯中的相关基团相互键合交联成网状结构的物质，进一步强化了整理液与棉纤维间的交联作用。 The silk fibroin finishing solution of the present invention has been widely used in the anti-wrinkle treatment of real silk fabrics in recent years, and achieved good results. However, the silk fibroin molecular structure lacks groups that can covalently cross-link with cotton fibers, so if it is used alone in the anti-wrinkle treatment of pure cotton fabrics, the effect is not good; in order to solve this problem, in the anti-wrinkle finishing solution of the present invention A sulfocarboxylic acid-type water-soluble polyurethane is introduced, which undergoes a deblocking reaction under high temperature to obtain a prepolymer with an end group of -NCO, and forms a film with a cross-linked network structure on the cotton fiber; on the other hand, - NCO has high reactivity and can react with hydroxyl groups on cotton fibers and amino groups on silk fibroin finishing agents to improve the binding force between finishing agents and cotton fibers. In the present invention, hydroxyethyl acrylate is also added as a cross-linking agent, which can act as a bridge between linear molecules, so that the related groups in cotton fiber, silk fibroin finishing agent and polyurethane are bonded and cross-linked to form a network structure The substance further strengthens the cross-linking effect between the finishing liquid and the cotton fiber.
本发明中的抗皱整理液不但可以提高纯棉织物的抗皱回复角，还能保持纯棉织物的柔软手感。本发明的免烫整理工艺还可以有效保持纯棉布料的断裂强力和撕裂强力保留率，保证其使用耐久性。此外，本发明的抗皱整理液安全无毒环保，无甲醛释放。 The anti-wrinkle finishing liquid in the invention can not only improve the anti-wrinkle recovery angle of the pure cotton fabric, but also maintain the soft hand feeling of the pure cotton fabric. The non-ironing finishing process of the present invention can also effectively maintain the breaking strength and tear strength retention rate of the pure cotton cloth, and ensure its durability in use. In addition, the anti-wrinkle finishing solution of the present invention is safe, non-toxic and environmentally friendly, and has no formaldehyde release.
具体实施方式 Detailed ways
下面将结合具体的实施例对本发明的技术方案进行清楚、完整地描述。 The technical solutions of the present invention will be clearly and completely described below in conjunction with specific embodiments.
实施例1Example 1
一种适用于纯棉织物的抗皱整理液，以重量份记包括如下组分： A kind of anti-wrinkle finishing solution suitable for pure cotton fabrics comprises the following components in parts by weight:
丝素整理液5份； 5 parts of silk fibroin finishing solution;
磺羧酸型水溶性聚氨酯4份； 4 parts of sulfocarboxylic acid type water-soluble polyurethane;
丙烯酸羟乙酯0.5份； 0.5 parts of hydroxyethyl acrylate;
去离子水200份。 200 parts of deionized water.
其制备方法包括如下步骤： Its preparation method comprises the following steps:
(1)将蚕丝浸轧在2g/L的碳酸钠溶液中进行脱胶处理，然后冷水洗涤后烘干； (1) silk padding is carried out degumming treatment in the sodium carbonate solution of 2g/L, then dry after cold water washing;
(2)将氯化钙溶液、去离子水和无水乙醇以1:7:2的比例配制成混合溶液，将经步骤1处理脱胶后的蚕丝浸泡在混合溶液中，70℃下放置3h； (2) Calcium chloride solution, deionized water and absolute ethanol are formulated into a mixed solution in a ratio of 1:7:2, and the silk degummed after step 1 is soaked in the mixed solution, and placed at 70° C. for 3 hours;
(3)将步骤2得到的物质转移到纳滤膜中，经去离子水透析，去除Ca2+、Cl-离子，再经活性炭吸附、过滤，得到丝素整理液； (3) Transfer the substance obtained in step 2 to a nanofiltration membrane, dialyze through deionized water to remove Ca 2+ , Cl − ions, and then adsorb and filter through activated carbon to obtain silk fibroin finishing solution;
(4)将步骤3得到的丝素整理液与磺羧酸型水溶性聚氨酯、丙烯酸羟乙酯以及去离子水混合，超声搅拌90min，得到适用于纯棉织物的抗皱整理液。 (4) Mix the silk fibroin finishing solution obtained in step 3 with sulfocarboxylic acid-type water-soluble polyurethane, hydroxyethyl acrylate and deionized water, and ultrasonically stir for 90 minutes to obtain an anti-wrinkle finishing solution suitable for pure cotton fabrics.
实施例2Example 2
一种适用于纯棉织物的抗皱整理液，以重量份记包括如下组分： A kind of anti-wrinkle finishing solution suitable for pure cotton fabrics comprises the following components in parts by weight:
丝素整理液6份； 6 parts of silk fibroin finishing solution;
磺羧酸型水溶性聚氨酯4份； 4 parts of sulfocarboxylic acid type water-soluble polyurethane;
丙烯酸羟乙酯0.5份； 0.5 parts of hydroxyethyl acrylate;
去离子水200份。 200 parts of deionized water.
其制备方法同实施例1。 Its preparation method is with embodiment 1.
实施例3Example 3
一种适用于纯棉织物的抗皱整理液，以重量份记包括如下组分： A kind of anti-wrinkle finishing solution suitable for pure cotton fabrics comprises the following components in parts by weight:
丝素整理液7份； 7 parts of silk fibroin finishing solution;
磺羧酸型水溶性聚氨酯4份； 4 parts of sulfocarboxylic acid type water-soluble polyurethane;
丙烯酸羟乙酯0.5份； 0.5 parts of hydroxyethyl acrylate;
去离子水200份。 200 parts of deionized water.
其制备方法同实施例1。 Its preparation method is with embodiment 1.
实施例4Example 4
一种适用于纯棉织物的抗皱整理液，以重量份记包括如下组分： A kind of anti-wrinkle finishing solution suitable for pure cotton fabrics comprises the following components in parts by weight:
丝素整理液8份； 8 parts of silk fibroin finishing solution;
磺羧酸型水溶性聚氨酯4份； 4 parts of sulfocarboxylic acid type water-soluble polyurethane;
丙烯酸羟乙酯0.5份； 0.5 parts of hydroxyethyl acrylate;
去离子水200份。 200 parts of deionized water.
其制备方法同实施例1。 Its preparation method is with embodiment 1.
实施例5Example 5
一种适用于纯棉织物的抗皱整理液，以重量份记包括如下组分： A kind of anti-wrinkle finishing solution suitable for pure cotton fabrics comprises the following components in parts by weight:
丝素整理液9份； 9 parts of silk fibroin finishing solution;
磺羧酸型水溶性聚氨酯4份； 4 parts of sulfocarboxylic acid type water-soluble polyurethane;
丙烯酸羟乙酯0.5份； 0.5 parts of hydroxyethyl acrylate;
去离子水200份。 200 parts of deionized water.
其制备方法同实施例1。 Its preparation method is with embodiment 1.
实施例6Example 6
一种适用于纯棉织物的抗皱整理液，以重量份记包括如下组分： A kind of anti-wrinkle finishing solution suitable for pure cotton fabrics comprises the following components in parts by weight:
丝素整理液7份； 7 parts of silk fibroin finishing solution;
磺羧酸型水溶性聚氨酯2份； 2 parts of sulfocarboxylic acid type water-soluble polyurethane;
丙烯酸羟乙酯0.5份； 0.5 parts of hydroxyethyl acrylate;
去离子水200份。 200 parts of deionized water.
其制备方法同实施例1。 Its preparation method is with embodiment 1.
实施例7Example 7
一种适用于纯棉织物的抗皱整理液，以重量份记包括如下组分： A kind of anti-wrinkle finishing solution suitable for pure cotton fabrics comprises the following components in parts by weight:
丝素整理液7份； 7 parts of silk fibroin finishing solution;
磺羧酸型水溶性聚氨酯3份； 3 parts of sulfocarboxylic acid type water-soluble polyurethane;
丙烯酸羟乙酯0.5份； 0.5 parts of hydroxyethyl acrylate;
去离子水200份。 200 parts of deionized water.
其制备方法同实施例1。 Its preparation method is with embodiment 1.
实施例8Example 8
一种适用于纯棉织物的抗皱整理液，以重量份记包括如下组分： A kind of anti-wrinkle finishing solution suitable for pure cotton fabrics comprises the following components in parts by weight:
丝素整理液7份； 7 parts of silk fibroin finishing solution;
磺羧酸型水溶性聚氨酯5份； 5 parts of sulfocarboxylic acid type water-soluble polyurethane;
丙烯酸羟乙酯0.5份； 0.5 parts of hydroxyethyl acrylate;
去离子水200份。 200 parts of deionized water.
其制备方法同实施例1。 Its preparation method is with embodiment 1.
实施例9Example 9
一种适用于纯棉织物的抗皱整理液，以重量份记包括如下组分： A kind of anti-wrinkle finishing solution suitable for pure cotton fabrics comprises the following components in parts by weight:
丝素整理液7份； 7 parts of silk fibroin finishing solution;
磺羧酸型水溶性聚氨酯6份； 6 parts of sulfocarboxylic acid type water-soluble polyurethane;
丙烯酸羟乙酯0.5份； 0.5 parts of hydroxyethyl acrylate;
去离子水200份。 200 parts of deionized water.
其制备方法同实施例1。 Its preparation method is with embodiment 1.
实施例10Example 10
一种适用于纯棉织物的抗皱整理液，以重量份记包括如下组分： A kind of anti-wrinkle finishing solution suitable for pure cotton fabrics comprises the following components in parts by weight:
丝素整理液7份； 7 parts of silk fibroin finishing solution;
磺羧酸型水溶性聚氨酯4份； 4 parts of sulfocarboxylic acid type water-soluble polyurethane;
丙烯酸羟乙酯0.1份； 0.1 parts of hydroxyethyl acrylate;
去离子水200份。 200 parts of deionized water.
其制备方法同实施例1。 Its preparation method is with embodiment 1.
实施例11Example 11
一种适用于纯棉织物的抗皱整理液，以重量份记包括如下组分： A kind of anti-wrinkle finishing solution suitable for pure cotton fabrics comprises the following components in parts by weight:
丝素整理液7份； 7 parts of silk fibroin finishing solution;
磺羧酸型水溶性聚氨酯4份； 4 parts of sulfocarboxylic acid type water-soluble polyurethane;
丙烯酸羟乙酯1份； 1 part of hydroxyethyl acrylate;
去离子水200份。 200 parts of deionized water.
其制备方法同实施例1。 Its preparation method is with embodiment 1.
实施例12Example 12
将纯棉织物分别放入实施例1-11的抗皱整理液中和传统的树脂整理剂(对比例)浸轧后烘干洗涤，然后自然晾干，以进行性能测试；此外，还选取了未经抗皱整理液处理的纯棉织物作为对比例。 Put the pure cotton fabric into the anti-wrinkle finishing solution of Examples 1-11 and the traditional resin finishing agent (comparative example) respectively, dry and wash after padding, and then dry naturally for performance testing; The pure cotton fabric treated with anti-wrinkle finishing solution was used as a comparative example.
对上述经过处理的纯棉织物测定其织物折皱回复角以衡量织物的抗皱性能。测定时，按照国标GB/T3819-1997，采用水平折叠织物法用AATCC织物折皱回复性测试仪测试。 The wrinkle recovery angle of the above-mentioned treated pure cotton fabric was measured to measure the wrinkle resistance of the fabric. When measuring, according to the national standard GB/T3819-1997, use the horizontal folding fabric method to test with the AATCC fabric wrinkle recovery tester.
对处理前后的纯棉织物进行断裂强力保留率的测试，测试参照国标GB/T3923.1-2013，测纯棉织物5经5纬，分别取平均值；对处理前后的纯棉织物进行织物撕破强力测试，参照国标GB/T3917.1-2009，测纯棉织物5经5纬，分别取平均值。此两项测试用以评估织物的耐久性。 Test the retention rate of the breaking strength of the pure cotton fabric before and after treatment. The test refers to the national standard GB/T3923.1-2013. The 5 warps and 5 wefts of the pure cotton fabric are measured, and the average value is taken respectively; the fabric tearing of the pure cotton fabric before and after treatment is carried out. For the breaking strength test, refer to the national standard GB/T3917.1-2009, measure the 5 warps and 5 wefts of the pure cotton fabric, and take the average value respectively. These two tests are used to evaluate the durability of fabrics.
上述测试结果如下表所示。 The above test results are shown in the table below.
表1纯棉织物经抗皱整理后的性能测试结果 Table 1 Performance test results of pure cotton fabrics after anti-wrinkle finishing
由表中可以看出，本发明的抗皱整理液具有较好的抗皱效果——相比未经处理的纯棉织物，经过本发明的抗皱整理液处理的纯棉织物其折皱回复角均有明显上升。经过本发明的抗皱整理液处理的纯棉织物，具有与树脂整理剂类似的折皱回复性能，但织物强力保留率明显优于树脂整理剂整理后的纯棉织物，且保持了纯棉织物本身的柔软手感。此外，综合考虑折皱回复性能、手感、断裂强力保留和撕裂强力保留等因素，实施例3为本发明的抗皱整理液的优选实施例。 As can be seen from the table, the anti-wrinkle finishing solution of the present invention has a better anti-wrinkle effect—compared with untreated pure cotton fabrics, the wrinkle recovery angles of the pure cotton fabrics treated with the anti-wrinkle finishing solution of the present invention all have obvious rise. The pure cotton fabric treated with the anti-wrinkle finishing solution of the present invention has similar wrinkle recovery properties to the resin finishing agent, but the fabric strength retention rate is obviously better than that of the pure cotton fabric after the resin finishing agent, and the pure cotton fabric itself has maintained Soft to the touch. In addition, comprehensively considering factors such as wrinkle recovery performance, hand feel, retention of breaking strength and retention of tear strength, Example 3 is a preferred embodiment of the anti-wrinkle finishing solution of the present invention.
以上实施例仅仅是本发明一部分实施例，而不是全部的实施例。以上实施例的说明只是用于帮助理解本发明的方法及其核心思想；对于本领域的一般技术人员，依据本发明的思想在没有作出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。 The above embodiments are only some of the embodiments of the present invention, but not all of them. The description of the above embodiments is only used to help understand the method of the present invention and its core idea; For those of ordinary skill in the art, all other embodiments obtained under the premise of not doing creative work according to the idea of the present invention all belong to this invention. scope of invention protection.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20220205165A1 (en) * | 2019-04-16 | 2022-06-30 | Evolved By Nature, Inc. | Chemically linked silk fibroin coatings and methods of making and using thereof |
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| US20220205165A1 (en) * | 2019-04-16 | 2022-06-30 | Evolved By Nature, Inc. | Chemically linked silk fibroin coatings and methods of making and using thereof |
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