CN114045676A - 一种紫外变色面料的制备方法 - Google Patents
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Abstract
本发明涉及一种紫外变色面料的制备方法,包括以下步骤:S1、制备紫外变色乳液:将10,12‑二十五碳二炔酸和纳米二氧化钛粉体搅拌混合;在水性聚氨酯中加入步骤S101所得产物,搅拌反应后加入偶联剂和抗氧化剂,继续搅拌;向步骤S102所得产物中加入蒸馏水,搅拌后得到紫外变色乳液;S2、制备多孔纤维丝线:采用熔融纺丝工艺,将纳米氧化石墨烯、涤纶制备成超细多孔纤维丝线,并浸渍于步骤S1制得的紫外变色乳液中;S3、制备紫外变色面料:将由紫外变色乳液浸渍的超细多孔纤维丝线采用纺织设备纺织得到紫外变色面料。本发明所得紫外变色面料中紫外变色材料与面料的纤维紧密结合,使用寿命更长,也不会随着面料的清洗和折叠等操作影响变色效果。
Description
技术领域
本发明属于变色面料领域,具体涉及一种紫外变色面料的制备方法。
背景技术
紫外变色面料是利用小分子或大分子变色性能实现织物面料在紫外光刺激下产生变色行为,从而体现面料提示或者防伪功能的一类功能面料。紫外变色面料因其变色直观性,在防伪和指示方面具有显著优势,因而被广泛地应用于现有的服装产业。
紫外变色面料一般由紫外变色涂料涂覆于面料表面所得,紫外变色涂料可以先合成聚氨酯,再将二炔等材料加入其中搅拌,最后加入蒸馏水混合均匀后即得性能优异的紫外变色涂层材料,将其涂覆于面料表面即得具有紫外变色面料。但是紫外变色涂料由于是涂覆在面料表面,面料需要经常清洗折叠,这就导致紫外变色涂料容易脱落、开裂,使用寿命较短,影响整体面料的变色效果。
发明内容
本发明的目的就在于为了解决上述问题而提供一种紫外变色面料的制备方法。
本发明通过以下技术方案来实现上述目的:
一种紫外变色面料的制备方法,包括以下步骤:
S1、制备紫外变色乳液;
S101、将10,12-二十五碳二炔酸和纳米二氧化钛粉体搅拌混合,此时10,12-二十五碳二炔酸以氢键“包覆”连接在纳米二氧化钛粉体周围,形成二十五碳二炔酸分子吸附层,使纳米二氧化钛在晶体长大的过程中,起到了空间位阻效应,阻碍了纳米二氧化钛分子之间结合,避免絮凝,也使得10,12-二十五碳二炔酸被分散的纳米二氧化钛分子均匀分散,方便后续均匀分布至水性聚氨酯内,实现均匀混合反应,制得更加均匀的紫外变色乳液;
S102、在水性聚氨酯中加入步骤S101所得产物,搅拌反应后加入偶联剂和抗氧化剂,继续搅拌;
S103、向步骤S102所得产物中加入蒸馏水,搅拌后得到紫外变色乳液;
S2、制备多孔纤维丝线;采用熔融纺丝工艺,将纳米氧化石墨烯、涤纶制备成超细多孔纤维丝线,并浸渍于步骤S1制得的紫外变色乳液中;
S3、制备紫外变色面料;将由紫外变色乳液浸渍的超细多孔纤维丝线采用纺织设备纺织得到紫外变色面料。
作为本发明的进一步优化方案,步骤S101中,10,12-二十五碳二炔酸和纳米二氧化钛粉体的质量比为0.5-1:2-5。
作为本发明的进一步优化方案,步骤S102中,水性聚氨酯与步骤S101所得产物的质量比为9-9.5:0.5-1。
作为本发明的进一步优化方案,步骤S102中,偶联剂采用kh-550偶联剂,抗氧化剂采用受阻胺抗氧化剂,偶联剂和抗氧化剂添加质量相同,且偶联剂和抗氧化剂的添加总量为水性聚氨酯和步骤S101所得产物总量的10-20%;其中,kh-550偶联剂能够改性纳米二氧化钛粉体,使其水接触角变大起到很好的分散效果以及疏水效果,受阻胺抗氧化剂的添加能够延缓聚氨酯氧化。
作为本发明的进一步优化方案,步骤S103中,蒸馏水与步骤S102所得产物的比例为2:5-6。
作为本发明的进一步优化方案,步骤S2中,纳米氧化石墨烯、涤纶的质量比为2-3:6-7。
作为本发明的进一步优化方案,步骤S2中,超细多孔纤维丝线浸渍于紫外变色乳液中1-2h。
本发明的有益效果在于:
1)本发明通过在紫外变色乳液时添加了纳米二氧化钛粉体,能够携带10,12-二十五碳二炔酸于水性聚氨酯内均匀分散,在搅拌反应后还能够充分吸附变色乳液,不仅使得面料变色均匀,还能够在长时间清洗使用后依然具有非常均匀的变色效果;
2)本发明通过在面料丝线中添加了纳米氧化石墨烯,利用其三维多孔结构,能够在浸泡紫外变色乳液时将乳液大量吸附,同样增加了变色乳液的作用时间,也使得变色乳液与面料充分结合,不易脱落,耐清洗、磨损;
3)本发明所得紫外变色面料中紫外变色材料与面料的纤维紧密结合,使用寿命更长,也不会随着面料的清洗和折叠等操作影响变色效果;
4)本发明通过在紫外变色乳液中添加kh-550偶联剂,能够改性纳米二氧化钛粉体,使其水接触角变大起到很好的分散效果以及疏水效果,使得原料分散均匀,且当紫外变色乳液浸渍于纤维上后,所得面料还具有很好的防水效果。
具体实施方式
下面对本申请作进一步详细描述,有必要在此指出的是,以下具体实施方式只用于对本申请进行进一步的说明,不能理解为对本申请保护范围的限制,该领域的技术人员可以根据上述申请内容对本申请作出一些非本质的改进和调整。
实施例1
一种紫外变色面料的制备方法,包括以下步骤:
S1、制备紫外变色乳液;
S101、将10,12-二十五碳二炔酸和纳米二氧化钛粉体以0.5:2的质量比搅拌混合;
S102、在水性聚氨酯中加入步骤S101所得产物,水性聚氨酯与步骤S101所得产物的质量比为9:1,搅拌反应后加入质量相同的kh-550偶联剂和受阻胺抗氧化剂,继续搅拌,其中kh-550偶联剂和受阻胺抗氧化剂的添加总量为水性聚氨酯和步骤S101所得产物总量的10%;
S103、向步骤S102所得产物中加入蒸馏水,蒸馏水与步骤S102所得产物的比例为2:5,搅拌后得到紫外变色乳液;
S2、制备多孔纤维丝线;采用熔融纺丝工艺,将质量比为2:7的纳米氧化石墨烯、涤纶制备成超细多孔纤维丝线,并浸渍于步骤S1制得的紫外变色乳液中1-2h;
S3、制备紫外变色面料;将由紫外变色乳液浸渍的超细多孔纤维丝线采用纺织设备纺织得到紫外变色面料。
实施例2
一种紫外变色面料的制备方法,包括以下步骤:
S1、制备紫外变色乳液;
S101、将10,12-二十五碳二炔酸和纳米二氧化钛粉体以0.7:3.5的质量比搅拌混合;
S102、在水性聚氨酯中加入步骤S101所得产物,水性聚氨酯与步骤S101所得产物的质量比为9.2:0.8,搅拌反应后加入质量相同的kh-550偶联剂和受阻胺抗氧化剂,继续搅拌,其中kh-550偶联剂和受阻胺抗氧化剂的添加总量为水性聚氨酯和步骤S101所得产物总量的15%;
S103、向步骤S102所得产物中加入蒸馏水,蒸馏水与步骤S102所得产物的比例为2:5.5,搅拌后得到紫外变色乳液;
S2、制备多孔纤维丝线;采用熔融纺丝工艺,将质量比为2.5:6.5的纳米氧化石墨烯、涤纶制备成超细多孔纤维丝线,并浸渍于步骤S1制得的紫外变色乳液中1-2h;
S3、制备紫外变色面料;将由紫外变色乳液浸渍的超细多孔纤维丝线采用纺织设备纺织得到紫外变色面料。
实施例3
一种紫外变色面料的制备方法,包括以下步骤:
S1、制备紫外变色乳液;
S101、将10,12-二十五碳二炔酸和纳米二氧化钛粉体以1:2的质量比搅拌混合;
S102、在水性聚氨酯中加入步骤S101所得产物,水性聚氨酯与步骤S101所得产物的质量比为9.5:0.5,搅拌反应后加入质量相同的kh-550偶联剂和受阻胺抗氧化剂,继续搅拌,其中kh-550偶联剂和受阻胺抗氧化剂的添加总量为水性聚氨酯和步骤S101所得产物总量的20%;
S103、向步骤S102所得产物中加入蒸馏水,蒸馏水与步骤S102所得产物的比例为2:6,搅拌后得到紫外变色乳液;
S2、制备多孔纤维丝线;采用熔融纺丝工艺,将质量比为3:6的纳米氧化石墨烯、涤纶制备成超细多孔纤维丝线,并浸渍于步骤S1制得的紫外变色乳液中1-2h;
S3、制备紫外变色面料;将由紫外变色乳液浸渍的超细多孔纤维丝线采用纺织设备纺织得到紫外变色面料。
对比例1
一种紫外变色面料的制备方法,包括以下步骤:
S1、制备紫外变色乳液;
S101、将10,12-二十五碳二炔酸加入水性聚氨酯中,水性聚氨酯与10,12-二十五碳二炔酸的质量比为9.2:0.8,搅拌反应;
S102、加入质量相同的kh-550偶联剂和受阻胺抗氧化剂至步骤S101所得产物中,继续搅拌,其中kh-550偶联剂和受阻胺抗氧化剂的添加总量为步骤S101所得产物总量的15%;
S103、向步骤S102所得产物中加入蒸馏水,蒸馏水与步骤S102所得产物的比例为2:5.5,搅拌后得到紫外变色乳液;
S2、制备多孔纤维丝线;采用熔融纺丝工艺,将质量比为2.5:6.5的纳米氧化石墨烯、涤纶制备成超细多孔纤维丝线,并浸渍于步骤S1制得的紫外变色乳液中1-2h;
S3、制备紫外变色面料;将由紫外变色乳液浸渍的超细多孔纤维丝线采用纺织设备纺织得到紫外变色面料。
对比例2
一种紫外变色面料的制备方法,包括以下步骤:
S1、制备紫外变色乳液;
S101、将10,12-二十五碳二炔酸和纳米二氧化钛粉体以0.7:3.5的质量比搅拌混合;
S102、在水性聚氨酯中加入步骤S101所得产物,水性聚氨酯与步骤S101所得产物的质量比为9.2:0.8,搅拌反应后加入质量相同的kh-550偶联剂和受阻胺抗氧化剂,继续搅拌,其中kh-550偶联剂和受阻胺抗氧化剂的添加总量为水性聚氨酯和步骤S101所得产物总量的15%;
S103、向步骤S102所得产物中加入蒸馏水,蒸馏水与步骤S102所得产物的比例为2:5.5,搅拌后得到紫外变色乳液;
S2、制备多孔纤维丝线;采用熔融纺丝工艺,将涤纶制备成超细多孔纤维丝线,并浸渍于步骤S1制得的紫外变色乳液中1-2h;
S3、制备紫外变色面料;将由紫外变色乳液浸渍的超细多孔纤维丝线采用纺织设备纺织得到紫外变色面料。
将本实施例1-3和对比例1-2制得的紫外变色面料的紫外变色性能进行比较,得到以下数据:
由上表可知,本发明通过在制备紫外变色乳液时添加了纳米二氧化钛粉体,能够携带10,12-二十五碳二炔酸于水性聚氨酯内均匀分散,在搅拌反应后还能够充分吸附变色乳液,不仅使得面料变色均匀,还能够在长时间清洗使用后依然具有非常均匀的变色效果;另外通过在面料丝线中添加了纳米氧化石墨烯,利用其三维多孔结构,能够在浸泡紫外变色乳液时将乳液大量吸附,同样增加了变色乳液的作用时间,也使得变色乳液与面料充分结合,不易脱落,耐清洗。
以上所述实施例仅表达了本发明的几种实施方式,其描述较为具体和详细,但并不能因此而理解为对本发明专利范围的限制。应当指出的是,对于本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。
Claims (7)
1.一种紫外变色面料的制备方法,其特征在于,包括以下步骤:
S1、制备紫外变色乳液;
S101、将10,12-二十五碳二炔酸和纳米二氧化钛粉体搅拌混合;
S102、在水性聚氨酯中加入步骤S101所得产物,搅拌反应后加入偶联剂和抗氧化剂,继续搅拌;
S103、向步骤S102所得产物中加入蒸馏水,搅拌后得到紫外变色乳液;
S2、制备多孔纤维丝线;采用熔融纺丝工艺,将纳米氧化石墨烯、涤纶制备成超细多孔纤维丝线,并浸渍于步骤S1制得的紫外变色乳液中;
S3、制备紫外变色面料;将由紫外变色乳液浸渍的超细多孔纤维丝线采用纺织设备纺织得到紫外变色面料。
2.根据权利要求1所述的一种紫外变色面料的制备方法,其特征在于:步骤S101中,10,12-二十五碳二炔酸和纳米二氧化钛粉体的质量比为0.5-1:2-5。
3.根据权利要求2所述的一种紫外变色面料的制备方法,其特征在于:步骤S102中,水性聚氨酯与步骤S101所得产物的质量比为9-9.5:0.5-1。
4.根据权利要求3所述的一种紫外变色面料的制备方法,其特征在于:步骤S102中,偶联剂采用kh-550偶联剂,抗氧化剂采用受阻胺抗氧化剂,偶联剂和抗氧化剂添加质量相同,且偶联剂和抗氧化剂的添加总量为水性聚氨酯和步骤S101所得产物总量的10-20%。
5.根据权利要求4所述的一种紫外变色面料的制备方法,其特征在于:步骤S103中,蒸馏水与步骤S102所得产物的比例为2:5-6。
6.根据权利要求1所述的一种紫外变色面料的制备方法,其特征在于:步骤S2中,纳米氧化石墨烯、涤纶的质量比为2-3:6-7。
7.根据权利要求1所述的一种紫外变色面料的制备方法,其特征在于:步骤S2中,超细多孔纤维丝线浸渍于紫外变色乳液中1-2h。
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