CN111058309A - 一种提高棉织物颜料浸染均匀性的方法 - Google Patents

一种提高棉织物颜料浸染均匀性的方法 Download PDF

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CN111058309A
CN111058309A CN202010053396.1A CN202010053396A CN111058309A CN 111058309 A CN111058309 A CN 111058309A CN 202010053396 A CN202010053396 A CN 202010053396A CN 111058309 A CN111058309 A CN 111058309A
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王蕊
郝龙云
谭业强
巨军平
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Qingdao University
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Abstract

本发明涉及一种提高棉织物颜料浸染均匀性的方法,属于纺织印染技术领域。本发明包括以下工艺:(1)在水中加入质量比为1:1的纤维素酶和果胶酶,升温至80℃,调整pH至5.0,充分搅拌溶解;(2)将棉织物浸入上述溶液中,浴比20:1,棉织物与纤维素酶和果胶酶质量比为100:1:1,处理1h后将织物从溶液中取出并离心脱水;(3)配制保险粉和葡萄糖均为0.1mol/L的混合溶液,将棉织物浸入并在30℃处理30min;(4)配制阳离子颜料染色液,将棉织物浸入,浴比20:1,60℃浸染染色45min。本发明提供了一种利用纤维素酶和果胶酶复合处理的方法,对棉织物表面进行改性,可有效提高阳离子颜料浸染染色的均匀性。

Description

一种提高棉织物颜料浸染均匀性的方法
技术领域
本发明涉及一种提高棉织物颜料浸染均匀性的方法,属于纺织印染技术领域。
背景技术
棉纤维是世界用量最大的天然纤维,用途十分广泛。对棉纤维织物的印染加工一般依靠各类水溶性染料进行,染料分子对纤维表面发生吸附并不断扩散进入纤维内部,然后在纤维固着,经过洗涤、洗除浮色、烘干等加工完成整个染色过程。可以看出,在染色过程中会耗用大量的水和热能,排放大量污水。随着能源危机和环境问题的日益严重,其发展受到的约束和压力越来越大。
颜料染色具有生产流程短、无需水洗、节约能源、仿色容易、耐光色牢度高和重现性好等优点,是我国印染行业大力倡导的节能减排生产技术。随着新型粘合剂、助剂的不断出现及完善,颜料染色技术得到了国内外印染工作者的广泛关注,颜料染色产品也以其丰富的色彩和独特的风格受到广大消费者的青睐。
染色通常可采用浸染或轧染的方式进行。浸染是将纺织品浸渍于染液中,经过一定时间使染料上染纤维并固着在纤维上的染色方法。浸染时,染液及被染物可以同时循环运转,可以只有一种循环。在浸染过程中,染料逐渐上染纤维,染液中染料浓度相应地逐渐下降。浸染方法适用于纱线、针织物、稀薄织物等不能经受张力或压轧的纺织品的染色。浸染一般是间歇式生产,设备比较简单,操作也比较容易。浸染时,上染速率太快,容易造成染色不匀的问题,需要通过各种手段来达到控制上染速率的目的。轧染是将织物在染液中经过短暂的浸渍后,随即用轧辊轧压,将染液挤入纺织品的组织空隙中,并除去多余染液,使染料均匀分布在织物上,染料的固着主要是在以后的汽蒸或焙烘等处理过程中完成。
颜料与棉纤维间没有亲和力,因此上染率低,很难得到深色的染色产品。传统技术通过对织物进行阳离子化改性来提高对颜料的吸附作用,即利用静电作用产生的库仑引力提高颜料的上染率,解决了颜料只能染中浅色的问题。然而,如果改性处理不匀,将造成明显的色差,而且染色工艺流程较长。另外,将颜料颗粒进行阳离子改性也能在一定程度提高对棉等纤维素类织物的着色深度,但由于阳离子颜料与棉纤维间的静电吸引力较强,在浸染时常常导致染色不匀的问题出现。
发明内容
本发明目的是提供一种利用纤维素酶和果胶酶复合处理的方式,对棉织物表面进行改性,从而有效提高阳离子颜料浸染染色的均匀性。
本发明包括以下工艺:
(1)在水中加入质量比为1:1的纤维素酶和果胶酶,升温至80℃,调整pH至5.0,充分搅拌溶解;
(2)将棉织物浸入上述溶液中,浴比20:1,棉织物与纤维素酶和果胶酶质量比为100:1:1,处理1h后将织物从溶液中取出并离心脱水;
(3)配制保险粉和葡萄糖均为0.1mol/L的混合溶液,将棉织物浸入并在30℃处理30min;
(4)配制阳离子颜料染色液,将棉织物浸入,浴比20:1,60℃浸染染色45min。
在水中加入质量比1:1的纤维素酶和果胶酶,升温至80℃,调整pH至5.0,充分搅拌溶解配成处理液。在此温度和酸碱条件下,纤维素酶和果胶酶的空间结构将发生调整,二者之间产生较强的相互作用而形成缔合结构。随后,将棉织物浸入上述溶液中,棉织物为经过练漂前处理后的常规织物。控制浴比20:1,棉织物与纤维素酶和果胶酶质量比为100:1:1,处理1h。在此期间,纤维素酶和果胶酶缔合物从溶液中自发转移至织物表面,并和棉织物分子上的官能团发生共价结合反应。纤维素酶和果胶酶缔合物的覆盖有助于后续颜料的均匀附着。然后,配制含保险粉和葡萄糖均为0.1mol/L的混合溶液,将棉织物浸入其中并在30℃处理30min,此时缔合物的空间结构将进一步优化调整且与棉织物官能团所发生的共价结合将变得更加稳定,将进一步提高后续阳离子颜料附着均匀性。最后,配制阳离子颜料染色液,将棉织物浸入,浴比20:1,60℃浸染染色45min。在此染色条件下,存在于织物表面的稳定纤维素酶和果胶酶的缔合物能够有效调节阳离子颜料与棉织物表面的结合力,从而使颜料以适宜的速度从染色液中沉积吸附至织物表面,达到均匀着色的目的。
具体实施方式
下面通过对比例和实施例说明本发明。
实施例1
对经练漂前处理后的棉织物进行以下处理:
(1)在水中加入质量比为1:1的纤维素酶和果胶酶,升温至80℃,调整pH至5.0,充分搅拌溶解;
(2)将棉织物浸入上述溶液中,浴比20:1,棉织物与纤维素酶和果胶酶质量比为100:1:1,处理1h后将织物从溶液中取出并离心脱水;
(3)配制保险粉和葡萄糖均为0.1mol/L的混合溶液,将棉织物浸入并在30℃处理30min;
(4)配制阳离子颜料红染色液,将棉织物浸入,浴比20:1,60℃浸染染色45min。
对比例1
对与实施例1相同的棉织物进行以下处理:
(1)在水中加入与实施例1相同的质量比为1:1的纤维素酶和果胶酶,升温至80℃,调整pH至5.0,充分搅拌溶解;
(2)将棉织物浸入上述溶液中,浴比20:1,棉织物与纤维素酶和果胶酶质量比为100:1:1,处理1h后将织物从溶液中取出并离心脱水;
(3)对处理后棉织物进行与实施例1相同的阳离子颜料红染色。
对比例2
对与实施例1相同的棉织物进行以下处理:
(1)配制保险粉和葡萄糖均为0.1mol/L的混合溶液,将棉织物浸入并在30℃处理30min;
(2)对处理后棉织物进行与实施例1相同的阳离子颜料红染色。
对比例3
对与实施例1相同的棉织物进行以下处理:
(1)在水中加入与实施例1相同的纤维素酶,升温至80℃,调整pH至5.0,充分搅拌溶解;
(2)将棉织物浸入上述溶液中,浴比20:1,棉织物与纤维素酶质量比为100:1,处理1h后将织物从溶液中取出并离心脱水;
(3)配制保险粉和葡萄糖均为0.1mol/L的混合溶液,将棉织物浸入并在30℃处理30min;
(4)对处理后棉织物进行与实施例1相同的阳离子颜料红染色。
对比例4
对与实施例1相同的棉织物进行以下处理:
(1)在水中加入与实施例1相同的果胶酶,升温至80℃,调整pH至5.0,充分搅拌溶解;
(2)将棉织物浸入上述溶液中,浴比20:1,棉织物与果胶酶质量比为100:1,处理1h后将织物从溶液中取出并离心脱水;
(3)配制保险粉和葡萄糖均为0.1mol/L的混合溶液,将棉织物浸入并在30℃处理30min;
(4)对处理后棉织物进行与实施例1相同的阳离子颜料红染色。
对比例5
对与实施例1相同的棉织物直接进行相同的阳离子颜料红染色。
经测试,与对比例5相比,经对比例1、对比例2、对比例3、对比例4和实施例 1处理后所得织物的染色均匀性分别提高22%、1%、17%、8%和51%,表明本发明方法能够有效协同提高阳离子颜料对棉织物的染色均匀性。
实施例2
对经练漂前处理后的棉织物进行以下处理:
(1)在水中加入质量比为1:1的纤维素酶和果胶酶,升温至80℃,调整pH至5.0,充分搅拌溶解;
(2)将棉织物浸入上述溶液中,浴比20:1,棉织物与纤维素酶和果胶酶质量比为100:1:1,处理1h后将织物从溶液中取出并离心脱水;
(3)配制含保险粉和葡萄糖均为0.1mol/L的混合溶液,将棉织物浸入并在30℃处理30min;
(4)配制阳离子颜料蓝染色液,将棉织物浸入,浴比20:1,60℃浸染染色45min。
对比例6
对与实施例2相同的棉织物进行以下处理:
(1)在水中加入与实施例2相同的质量比为1:1的纤维素酶和果胶酶,升温至80℃,调整pH至5.0,充分搅拌溶解;
(2)将棉织物浸入上述溶液中,浴比20:1,棉织物与纤维素酶和果胶酶质量比为100:1:1,处理1h后将织物从溶液中取出并离心脱水;
(3)对处理后棉织物进行与实施例2相同的阳离子颜料蓝染色。
对比例7
对与实施例2相同的棉织物进行以下处理:
(1)配制含保险粉和葡萄糖均为0.1mol/L的混合溶液,将棉织物浸入并在30℃处理30min;
(2)对处理后棉织物进行与实施例2相同的阳离子颜料蓝染色。
对比例8
对与实施例2相同的棉织物进行以下处理:
(1)在水中加入与实施例2相同的纤维素酶,升温至80℃,调整pH至5.0,充分搅拌溶解;
(2)将棉织物浸入上述溶液中,浴比20:1,棉织物与纤维素酶质量比为100:1,处理1h后将织物从溶液中取出并离心脱水;
(3)配制保险粉和葡萄糖均为0.1mol/L的混合溶液,将棉织物浸入并在30℃处理30min;
(4)对处理后棉织物进行与实施例2相同的阳离子颜料蓝染色。
对比例9
对与实施例2相同的棉织物进行以下处理:
(1)在水中加入与实施例2相同的果胶酶,升温至80℃,调整pH至5.0,充分搅拌溶解;
(2)将棉织物浸入上述溶液中,浴比20:1,棉织物与果胶酶质量比为100:1,处理1h后将织物从溶液中取出并离心脱水;
(3)配制保险粉和葡萄糖均为0.1mol/L的混合溶液,将棉织物浸入并在30℃处理30min;
(4)对处理后棉织物进行与实施例2相同的阳离子颜料蓝染色。
对比例10
对与实施例2相同的棉织物直接进行相同的阳离子颜料蓝染色。
经测试,与对比例10相比,经对比例6、对比例7、对比例8、对比例9和实施例2处理后所得织物的染色均匀性分别提高18%、3%、16%、9%和47%,表明本发明方法能够有效提高阳离子颜料对棉织物的染色均匀性。

Claims (1)

1.一种提高棉织物颜料浸染均匀性的方法,其特征在于采用以下工艺:
(1)在水中加入质量比为1:1的纤维素酶和果胶酶,升温至80℃,调整pH至5.0,充分搅拌溶解;
(2)将棉织物浸入上述溶液中,浴比20:1,棉织物与纤维素酶和果胶酶质量比为100:1:1,处理1h后将织物从溶液中取出并离心脱水;
(3)配制保险粉和葡萄糖均为0.1mol/L的混合溶液,将棉织物浸入并在30℃处理30min;
(4)配制阳离子颜料染色液,将棉织物浸入,浴比20:1,60℃浸染染色45min。
CN202010053396.1A 2020-01-17 2020-01-17 一种提高棉织物颜料浸染均匀性的方法 Pending CN111058309A (zh)

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Application publication date: 20200424