CN105542058A - 一种纺织印花增稠剂的制备方法 - Google Patents

一种纺织印花增稠剂的制备方法 Download PDF

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CN105542058A
CN105542058A CN201610049139.4A CN201610049139A CN105542058A CN 105542058 A CN105542058 A CN 105542058A CN 201610049139 A CN201610049139 A CN 201610049139A CN 105542058 A CN105542058 A CN 105542058A
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周继东
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Boao Zongheng Network Technology Co ltd
Jiangmen Haili Textile Co ltd
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Suzhou Insilk Digital Textile Science and Technology Co Ltd
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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    • D06P1/00General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/52General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
    • D06P1/5207Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • D06P1/525Polymers of unsaturated carboxylic acids or functional derivatives thereof
    • D06P1/5257(Meth)acrylic acid

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Abstract

本发明公开了一种纺织印花增稠剂的制备方法,包括以下步骤:(1)增稠剂反应试剂的制备,反应试剂中包含:丙烯酸、甲基丙烯酸、对二氧环己酮、硫酸钠;(2)向所述步骤(1)的反应试剂中加入催化剂,控制反应温度为95℃,连续搅拌下反应1.5小时,逐步冷却至室温;(3)用40%氢氧化钠溶液调节步骤(2)中反应产物pH值为5-5.5,得到最终所需纺织印花增稠剂。与现有技术相比,本发明具有反应速率容易控制、反应产物环保无污染的优点,尤其适合工业生产。

Description

一种纺织印花增稠剂的制备方法
技术领域:
本发明涉及纺织材料技术领域,特别是一种纺织印花增稠剂的制备方法。
背景技术:
纺织印花是指在纺织物预订面积上进行局限染色的过程,通过制备色浆、显现以及固色等手段,最终将色浆牢固于纺织物的预定范围之内从而能够产生出特定图案。为了纺织色浆在牢固过程中的渗化而导致图案边缘模糊,在纺织印花过程中需要对色浆的流变性能进行严格控制,如果色浆流变性太差,则不容易涂布在纺织物表面形成所需花纹图案;反之,如果色浆流变性太强,则容易在牢固过程中发生渗化进而导致图案边缘模糊。为了对色浆的流变性进行控制,需要向色浆中加入印花增稠剂。印花增稠剂是一种流变助剂,它可以使色浆在高剪切应力下仍然保持较高稠度,向色浆中引入印花增稠剂能够显著提高其流变性能,使色浆能够更好转移到织物上,保证印花花纹轮廓分明、图案清晰。可见,印花增稠剂在纺织印花工业中有着不可或缺的作用。
最早期的印花增稠剂是天然增稠剂,也就是利用淀粉或者改性淀粉,加入到色浆中,以起到一定的增稠效果。该类增稠剂绿色环保,然而其使用成本很高、耐水洗的牢度差并且原材料受到产地的严格限制。随着化工合成技术的进步,油水相乳化糊被引入到印花增稠剂领域,该类增稠剂合成简单且原料廉价,然而,其合成通常需要煤油等原料,污染严重且容易造成爆炸,随着人们环保意识的增强,该类增稠剂也逐渐被淘汰。
丙烯酸类高分子化合物是最新兴起的一种合成增稠剂,其与色浆混合配套使用具有得色深、色浆利用率高的优点。该类增稠剂用量小、易清洗、粘度带触变性,在剪切应力下其粘度能够下降,当应力消除时,其又能够回复到原始粘度。这种特性使得丙烯酸类增稠剂在刮刀压力下粘度减小有利于渗透,刮刀撤除之后恢复粘度无溢流。然而,目前的丙烯酸类增稠剂主要面临两大问题:一是合成过程中丙烯酸类增稠剂的聚合程度不易控制,导致在使用过程中用量不易控制;二是合成中需要用到大量的有毒有害物质,合成出的增稠剂在使用后清洗中产生工业废水对环境造成污染,且未清洗彻底的有害物质也将会危害使用者的身体健康。因此,寻找一种合成过程温和可控、合成原料以及产物无毒无害的纺织印花增稠剂制备方法仍然十分必要。
发明内容:
针对现有技术中存在的不足,本发明提供了一种纺织印花增稠剂的制备方法。本方法克服了传统丙烯酸类纺织印花增稠剂合成方法中环境污染大、反应条件难以控制的缺陷,具有反应简单易控、条件温和、无毒无害的优点,尤其适合在工业产业上进行推广应用。
为了解决上述技术问题,本发明的技术方案包括以下几个步骤:
(1)增稠剂反应试剂的制备,反应试剂中包含:丙烯酸、甲基丙烯酸、对二氧环己酮、硫酸钠;
(2)向所述步骤(1)的反应试剂中加入催化剂,控制反应温度为95℃,连续搅拌下反应1.5小时,逐步冷却至室温;
(3)用40%氢氧化钠溶液调节步骤(2)中反应产物pH值为5-5.5,得到最终所需纺织印花增稠剂。
优选地,所述步骤(1)的反应试剂中丙烯酸为7-11重量份,甲基丙烯酸为3-5重量份,对二氧环己酮为2-6重量份,硫酸钠为0.4-0.6重量份。
优选地,所述步骤(1)的反应试剂中还包含有交联剂,交联剂为过氧化苯甲酰、过氧化二异丙苯、过氧化氢二异丙苯的任意一种。所述交联剂为0.5-1.5重量份。
优选地,所述步骤(2)中催化剂为镍-钛合金粉末。
优选地,所述步骤(2)中温度变化速率控制在每10分钟降低5℃以内。
本发明利用了对二氧环己酮无污染、生物相容性好的优点,将其与丙烯酸以及甲基丙烯酸混合共聚以制备纺织印花增稠剂,在保证优良增稠效果的同时,更具有绿色环保无污染的优点;此外,镍-钛合金粉末作为催化剂的引入,使得增稠剂的制备过程温和可控,能够使增稠剂产物聚合程度均匀、聚合效果稳定。本发明与现有技术相比,具有反应速率容易控制、反应产物环保无污染的优点,尤其适合工业生产。
具体实施方式:
下面结合实施例来进一步说明本发明的技术方案。
实施例1
(1)增稠剂反应试剂的制备,反应试剂中包含:丙烯酸7重量份、甲基丙烯酸3重量份、对二氧环己酮5重量份、硫酸钠0.6重量份;
(2)向所述步骤(1)的反应试剂中加入催化剂,控制反应温度为95℃,连续搅拌下反应1.5小时,逐步冷却至室温;
(3)用40%氢氧化钠溶液调节步骤(2)中反应产物pH值为5,得到最终所需纺织印花增稠剂。
实施例2
(1)增稠剂反应试剂的制备,反应试剂中包含:丙烯酸11重量份、甲基丙烯酸5重量份、对二氧环己酮6重量份、硫酸钠0.5重量份;
(2)向所述步骤(1)的反应试剂中加入催化剂镍-钛合金粉末,控制反应温度为95℃,连续搅拌下反应1.5小时,逐步冷却至室温;
(3)用40%氢氧化钠溶液调节步骤(2)中反应产物pH值为5,得到最终所需纺织印花增稠剂。
实施例3
(1)增稠剂反应试剂的制备,反应试剂中包含:丙烯酸8重量份、甲基丙烯酸4重量份、对二氧环己酮5重量份、硫酸钠0.4重量份、过氧化苯甲酰0.5重量份;
(2)向所述步骤(1)的反应试剂中加入催化剂镍-钛合金粉末,控制反应温度为95℃,连续搅拌下反应1.5小时,逐步冷却至室温;
(3)用40%氢氧化钠溶液调节步骤(2)中反应产物pH值为5.5,得到最终所需纺织印花增稠剂。
实施例4
(1)增稠剂反应试剂的制备,反应试剂中包含:丙烯酸8重量份、甲基丙烯酸4重量份、对二氧环己酮5重量份、硫酸钠0.4重量份、过氧化二异丙苯1重量份;
(2)向所述步骤(1)的反应试剂中加入催化剂镍-钛合金粉末,控制反应温度为95℃,连续搅拌下反应1.5小时,逐步冷却至室温,温度变化速率控制在每10分钟降低5℃以内;
(3)用40%氢氧化钠溶液调节步骤(2)中反应产物pH值为5.5,得到最终所需纺织印花增稠剂。
实施例5
(1)增稠剂反应试剂的制备,反应试剂中包含:丙烯酸10重量份、甲基丙烯酸5重量份、对二氧环己酮5重量份、硫酸钠0.6重量份、过氧化氢二异丙苯1.5重量份;
(2)向所述步骤(1)的反应试剂中加入催化剂镍-钛合金粉末,控制反应温度为95℃,连续搅拌下反应1.5小时,逐步冷却至室温,温度变化速率控制在每10分钟降低5℃以内;
(3)用40%氢氧化钠溶液调节步骤(2)中反应产物pH值为5.5,得到最终所需纺织印花增稠剂。
上述实施例仅用于说明本发明的详细工艺设备及流程,但并不意味着本发明必须依赖上树详细工艺设备和流程才能实施。本领域的技术人员可以在不脱离本发明的精神和范围内对本发明进行合理的改进,也应视为落入本发明的保护范围和公开范围之内。

Claims (6)

1.一种纺织印花增稠剂的制备方法,其特征在于,包括以下步骤:
(1)增稠剂反应试剂的制备,反应试剂中包含:丙烯酸、甲基丙烯酸、对二氧环己酮、硫酸钠;
(2)向所述步骤(1)的反应试剂中加入催化剂,控制反应温度为95℃,连续搅拌下反应1.5小时,逐步冷却至室温;
(3)用40%氢氧化钠溶液调节步骤(2)中反应产物pH值为5-5.5,得到最终所需纺织印花增稠剂。
2.根据权利要求1所述的纺织印花增稠剂的制备方法,其特征在于:所述步骤(1)的反应试剂中丙烯酸为7-11重量份,甲基丙烯酸为3-5重量份,对二氧环己酮为2-6重量份,硫酸钠为0.4-0.6重量份。
3.根据权利要求1所述的纺织印花增稠剂的制备方法,其特征在于:所述步骤(1)的反应试剂中还包含有交联剂,交联剂为过氧化苯甲酰、过氧化二异丙苯、过氧化氢二异丙苯的任意一种。
4.根据权利要求3所述的纺织印花增稠剂的制备方法,所述交联剂为0.5-1.5重量份。
5.根据权利要求1所述的纺织印花增稠剂的制备方法,其特征在于:所述步骤(2)中催化剂为镍-钛合金粉末。
6.根据权利要求1所述的纺织印花增稠剂的制备方法,其特征在于:所述步骤(2)中温度变化速率控制在每10分钟降低5℃以内。
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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