CN107142721B - 一种高白度的无甲醛免烫纤维素纤维织物整理液及其应用 - Google Patents
一种高白度的无甲醛免烫纤维素纤维织物整理液及其应用 Download PDFInfo
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Abstract
本发明涉及一种高白度的无甲醛免烫纤维素纤维织物整理液及其应用,使用多羧酸无甲醛免烫整理剂及耐酸型荧光增白剂,以常规的浸轧‑烘干‑焙烘的方法对纤维素纤维织物进行免烫和增白同浴整理,可得到高白无甲醛免烫整理品。本发明提供的免烫和增白同浴整理方法简单易操作,可在企业现有的免烫加工设备上进行;所得整理品免烫效果好,折皱回复角高于265°;白度高,白度值可达135以上,能满足市场对高白无甲醛免烫织物的需求。
Description
技术领域
本发明属于织物整理液及其应用领域,特别涉及一种高白度的无甲醛免烫纤维素纤维织物整理液及其应用。
背景技术
近年来,随着人们安全环保意识的提高,常用的N-羟甲基酰胺类免烫整理剂因其甲醛问题已不能满足生态纺织品发展的要求。国内外科研工作者们已陆续研究了种类繁多的无甲醛交联剂作为免烫整理剂,其中以多羧酸型无甲醛免烫整理剂最有发展前景。
高白度纺织品的市场需求非常大,其中高白纤维素纤维织物通常由荧光增白剂对本白织物进行增白处理得到。为了得到高白多羧酸免烫织物,需采用荧光增白剂和多羧酸交联剂对织物进行增白和免烫整理。而市场上传统的纤维素纤维织物用荧光增白剂无论是先增白后多羧酸免烫整理、还是与多羧酸同浴免烫整理或先多羧酸免烫后增白,得到的整理品白度均不佳,甚至出现因增白剂不耐酸而产生的泛黄问题,远达不到市场上高档面料对高白度的要求。
传统的织物高白免烫整理加工方式一般采用两步法:即织物先经荧光增白剂处理,再进行免烫整理,工艺流程较长。目前,企业鲜有采用荧光增白和免烫同浴的一步法加工方式,而对于一步法得到高白无甲醛免烫整理品尚未见报道。
发明内容
本发明所要解决的技术问题是提供一种高白度的无甲醛免烫纤维素纤维织物整理液及其应用,本发明解决常规棉用荧光增白剂对多羧酸无甲醛免烫整理品白度提升值低的问题,提供了一种采用荧光增白和多羧酸免烫同浴整理,得到高白无甲醛免烫织物的方法。使用免烫和增白工作液,通过浸轧-烘干-焙烘法对纤维素纤维织物进行免烫和增白同浴整理。
本发明的一种高白度的无甲醛免烫纤维素纤维织物整理液,所述整理液为免烫和增白工作液,按质量百分比,组分包括:多羧酸型无甲醛免烫整理剂4%~13%、耐酸型荧光增白剂0.005%~0.5%、催化剂2%~8%、柔软剂1%~5%、渗透剂0.1%~0.5%,余量为水。所述多羧酸型无甲醛免烫整理剂为分子中含至少3个羧基的多羧酸或者分子中至少含2个羧基和一个C=C双键的不饱和羧酸。
所述多羧酸型无甲醛免烫整理剂为丁烷四羧酸、柠檬酸、聚马来酸、马来酸与其他羧酸的共聚物、马来酸、衣康酸、丙三羧酸中的一种或几种。
所述耐酸型荧光增白剂为分子中不含三嗪基、氨基和氮杂环这三种基团的二苯乙烯类荧光增白剂,优选C.I.荧光增白剂351、C.I.荧光增白剂353。
所述催化剂为含磷的碱金属盐。
所述含磷的碱金属盐为次磷酸盐、亚磷酸盐、多磷酸盐中的一种或几种。优选次磷酸钠。
所述柔软剂为聚乙烯类柔软剂、有机硅类柔软剂中的一种或两种;渗透剂为脂肪醇类非离子表面活性剂。
本发明的一种高白度的无甲醛免烫纤维素纤维织物整理液的应用,用于纤维素纤维织物的免烫和增白同浴整理,具体为:使用免烫和增白工作液,对纤维素纤维织物进行二浸二轧,轧余率:50%~90%,然后烘干,焙烘,水洗。
所述纤维素纤维织物为棉织物、麻织物、再生纤维素纤维织物及其混纺织物,纤维素纤维与其他合成纤维的混纺织物中的一种。
所述烘干温度为40~120℃,时间为0.5~15min;焙烘温度为150-180℃,时间为1~8min。
本发明使用耐酸型荧光增白剂和多羧酸型无甲醛免烫整理剂,以常规的浸轧-烘干-焙烘法,对纤维素纤维织物进行免烫和增白同浴整理,得到高白无甲醛免烫整理品。
有益效果
本发明提供的高白无甲醛免烫织物整理液及其应用,采用多羧酸免烫和耐酸型荧光增白剂增白同浴整理的方式,工艺流程短,简单易操作,可在企业现有的设备上进行加工,所得的无甲醛免烫整理品免烫效果好、白度高,CIE白度可达135以上,能满足市场对高白无甲醛免烫面料的需求。
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。
实施例1
丁烷四羧酸与C.I.荧光增白剂351免烫和增白同浴整理工艺
工作液是由以下浓度的各组分经物理混合方式进行混匀制成:
按质量百分比,丁烷四羧酸6%;C.I.荧光增白剂351 0.1%;次磷酸钠3%;有机硅类柔软剂2%;渗透剂JFC 0.2%;其余为水。
工艺流程:二浸二轧(轧余率:80%)、烘干(80℃×3min)、焙烘(180℃×1.5min)、水洗。
实施例2
聚马来酸与C.I.荧光增白剂351免烫和增白同浴整理工艺
工作液是由以下浓度的各组分经物理混合方式进行混匀制成:
按质量百分比,聚马来酸9%;C.I.荧光增白剂351 0.1%;次磷酸钠3%;聚乙烯类柔软剂2%;渗透剂JFC 0.2%;其余为水。
工艺流程:二浸二轧(轧余率:80%)、烘干(80℃×3min)、焙烘(170℃×2min)、水洗。
实施例3
柠檬酸与C.I.荧光增白剂351免烫和增白同浴整理工艺
按质量百分比,柠檬酸12%;C.I.荧光增白剂351 0.15%;木糖醇1.5%;次磷酸钠7%;有机硅类柔软剂2%;渗透剂JFC 0.2%;其余为水。
二浸二轧(轧余率:80%)、烘干(80℃×3min)、焙烘(175℃×3min)、水洗。
实施例4
聚马来酸与C.I.荧光增白剂353免烫和增白同浴整理工艺
工作液是由以下浓度的各组分经物理混合方式进行混匀制成:
按质量百分比,聚马来酸9%;C.I.荧光增白剂353 0.13%;次磷酸钠3%;聚乙烯类柔软剂2%;渗透剂JFC 0.2%;其余为水。
二浸二轧(轧余率:80%)、烘干(80℃×3min)、焙烘(170℃×2min)、水洗。
具体实例1-4以及以下对比例中所使用的织物组织规格:纱支为80/2 80/2;经纬密度为150 90,克重为148g/m2。
具体测定结果:
表1为未处理织物和实施例1~4的CIE白度及折皱回复角WRA。
表1
由表1可知,实施例1-4免烫和增白同浴整理后,织物的白度和折皱回复角得到很大程度的提高,免烫和增白效果显著。
对比例
为表明本发明的免烫和增白效果显著,使用丁烷四羧酸或聚马来酸与常用的棉用荧光增白剂VBL同浴整理织物,工艺流程分别同实施例1(为丁烷四羧酸时)和实施例2(为聚马来酸时)。
工作液是由以下浓度的各组分经物理混合方式进行混匀制成:
按质量百分比,丁烷四羧酸6%或者聚马来酸9%;荧光增白剂VBL x%;次磷酸钠3%;硫代硫酸钠0.2%(加了0.2%的硫代硫酸钠促染);聚乙烯类柔软剂2%;渗透剂JFC0.2%;其余为水。
表2为常用的棉用荧光增白剂VBL与多羧酸免烫整理剂同浴整理织物的CIE白度和折皱回复角WRA。
表2
由表2可知,棉织物经常用的棉用荧光增白剂与多羧酸进行免烫和增白同浴整理,折皱回复角比未处理织物显著升高,但整理品的白度却提高不明显,均低于100,明显低于表1中各整理品的白度值。
Claims (9)
1.一种高白度的无甲醛免烫纤维素纤维织物整理液,其特征在于:所述整理液为免烫和增白工作液,按质量百分比,组分包括:多羧酸型无甲醛免烫整理剂4%~13%、耐酸型荧光增白剂0.005%~0.15%、催化剂2%~8%、柔软剂1%~5%、渗透剂0.1%~0.5%,余量为水;其中所述耐酸型荧光增白剂为分子中不含三嗪基、氨基和氮杂环这三种基团的二苯乙烯类荧光增白剂为C.I.荧光增白剂351。
2.根据权利要求1所述的一种高白度的无甲醛免烫纤维素纤维织物整理液,其特征在于:所述多羧酸型无甲醛免烫整理剂为分子中含至少3个羧基的多羧酸或者分子中至少含2个羧基和一个C=C双键的不饱和羧酸。
3.根据权利要求2所述的一种高白度 无甲醛免烫纤维素纤维织物整理液,其特征在于:所述多羧酸型无甲醛免烫整理剂为丁烷四羧酸、柠檬酸、聚马来酸、马来酸与其他羧酸的共聚物、马来酸、衣康酸、丙三羧酸中的一种或几种。
4.根据权利要求1所述的一种高白度的无甲醛免烫纤维素纤维织物整理液,其特征在于:所述催化剂为含磷的碱金属盐。
5.根据权利要求4所述的一种高白度的无甲醛免烫纤维素纤维织物整理液,其特征在于:所述含磷的碱金属盐为次磷酸盐、亚磷酸盐、多磷酸盐中的一种或几种。
6.根据权利要求1所述的一种高白度的无甲醛免烫纤维素纤维织物整理液,其特征在于:所述柔软剂为聚乙烯类柔软剂、有机硅类柔软剂中的一种或两种;渗透剂为脂肪醇类非离子表面活性剂。
7.一种如权利要求1所述的高白度的无甲醛免烫纤维素纤维织物整理液的应用,其特征在于:用于纤维素纤维织物的免烫和增白同浴整理,具体为:使用免烫和增白工作液,对纤维素纤维织物进行二浸二轧,轧余率:50%~90%,然后烘干,焙烘,水洗。
8.根据权利要求7所述的一种高白度的无甲醛免烫纤维素纤维织物整理液的应用,其特征在于:所述纤维素纤维织物为棉织物、麻织物、再生纤维素纤维织物及其混纺织物,纤维素纤维与其他合成纤维的混纺织物中的一种。
9.根据权利要求7所述的一种高白度的无甲醛免烫纤维素纤维织物整理液的应用,其特征在于:所述烘干温度为40~120℃,时间为0.5~15min;焙烘温度为150-180℃,时间为1~8min。
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