CN109338708A - 紫外线吸收剂及利用该紫外线吸收剂的涤纶皮肤衣面料的抗紫外处理工艺 - Google Patents
紫外线吸收剂及利用该紫外线吸收剂的涤纶皮肤衣面料的抗紫外处理工艺 Download PDFInfo
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Abstract
本发明公开了一种紫外线吸收剂,涉及纺织品染整技术领域,其技术方案要点是包括以下重量份的组分:纳米氧化锌粉3‑8份、纳米二氧化钛粉4‑9份、纳米玉石粉3‑8份、3‑6份微孔木质素、3‑6.5份TDI三聚体固化剂、1‑15份聚乙二醇、15‑20份防水剂;所述防水剂包括以下重量份的组分:20‑35份水性氨基酸改性聚氨酯、18‑24份聚醚二醇、21‑35份甲苯二异氰酸酯、12‑16份二羟甲基丙酸、10‑18份亚硫酸氢钠、20‑30份异戊醇、30‑40份水。本发明解决了经紫外线吸收剂处理后的涤纶皮肤衣面料经多次水洗后,抗紫外线性能降低的问题。通过在紫外线吸收剂内添加防水剂,使涤纶皮肤衣面料在经过多次水洗之后,仍然具有良好的抗紫外线性能。
Description
技术领域
本发明涉及纺织品染整技术领域,更具体的说,它涉及一种紫外线吸收剂及利用该紫外线吸收剂的涤纶皮肤衣面料的抗紫外处理工艺。
背景技术
皮肤衣又叫皮肤风衣,顾名思义,就是要具备皮肤的一些性能,比如,透气、排汗、耐磨、轻盈等,它使用的材料具有极轻的重量,异常舒适的接触性,良好的透气性,并具备一定的防风性,抗水性,而且非常柔软,犹如人体的一层薄薄的皮肤。当前皮肤衣的面料一般有三种:锦纶、涤纶和锦涤,对于皮肤衣的防晒和抗紫外线原理,其实就是在布料中加入防晒助剂或紫外线吸收剂。
现有技术中,可参考授权公告号为CN105131174B中国发明专利文件,其公开了一种通用于棉和涤纶的持久性抗紫外线整理剂及其制备方法,包括:1)本发明的通用于棉和涤纶的持久抗紫外线整理剂包含60~85%的阳离子型硅丙乳液和15~40%紫外线吸收剂溶液;2)本发明的持久抗紫外线整理剂的制备方法其步骤包括:乳液聚合反应制备阳离子型硅丙乳液、紫外线吸收剂溶液的配制以及紫外线吸收剂溶液与硅丙乳液的混合/乳化。
现有的这种通用于棉和涤纶的持久性抗紫外线整理剂虽适用于需求量较大的棉。涤纶和涤棉等织物,且具有优异的抗紫外线性能,但是使用该通用于棉和涤纶的持久性抗紫外线整理剂的织物,在经过多次水洗后,织物的抗紫外线性能下降。
发明内容
针对现有技术存在的不足,本发明的目的在于提供一种紫外线吸收剂,其通过使用防水剂,能够提高织物的耐洗牢度,使织物经过多次水洗后,仍具有良好的抗紫外线性能。
为实现上述目的,本发明提供了如下技术方案:一种紫外线吸收剂,包括以下重量份的组分:3-8份纳米氧化锌粉、4-9份纳米二氧化钛粉、3-8份纳米玉石粉、3-6份微孔木质素、3-6.5份TDI三聚体固化剂、1-15份聚乙二醇、15-20份防水剂;所述防水剂包括以下重量份的组分:20-35份水性氨基酸改性聚氨酯、18-24份聚醚二醇、21-35份甲苯二异氰酸酯、12-16份二羟甲基丙酸、10-18份亚硫酸氢钠、20-30份异戊醇、30-40份水。
通过采用上述技术方案,氨基酸具有多肽结构,通过肽键连接可形成蛋白,属于亲水基团,有亲肤作用,连接于主链之上使改性聚氨酯具有跟皮肤相似的功能,因此较常规聚氨酯有更强的亲水导湿作用,涂层织物透湿性大大提高,此外,氨基酸改性聚氨酯反应中生成氨基甲酸酯结构,该结构有助于聚氨酯大分子网状结构的形成,网状大分子成膜作用增强,有利于提升织物撕破强力,增加织物耐水洗牢度;微孔木质纤维素起抗菌、吸湿、滑爽、耐老化和补强的作用;玉石粉起舒适、清凉的作用;
采用粒径小于100的纳米氧化锌、二氧化钛粉末,其比表面积大,有强的表面效应、体积效应、量子尺寸效应等,以上效应使粉末对紫外线既有吸收能力又有一定的散射能力;抗紫外原理主要是氧化锌、二氧化钛等纳米级粉末的量子尺寸效应使粉末对特定波长的吸收带有蓝移现象和宽化现象;同时纳米二氧化钛具有高遮光性和高光活性,其电子结构是由价电子带和空轨道形成的传导带构成,电子在其中的激发使其对紫外线有较好的阻隔作用;聚乙二醇有助于纳米氧化锌粉末、纳米二氧化钛粉末的分散,进一步提升织物抗紫外线性能;
聚乙二醇能够吸附于纳米氧化锌粒子表面,并将其包覆,利用聚合物大分子的空间阻碍作用防止纳米氧化锌粒子的团聚,同时聚乙二醇是含有醚键的高聚物,纳米二氧化钛与聚乙二醇可通过氢键、范德华力、偶极子的弱静电力产生吸附,有效防止纳米二氧化钛粒子的团聚;
此外,水性氨基酸改性聚氨酯涂层胶有助于提升织物抗紫外线性能,其通过高分子化合物对纳米粒子的空间稳定作用,有助于纳米粒子的分散,因此纳米氧化锌粉末、纳米二氧化钛粉末较少的用量即可达到较好的抗紫外线效果;TDI三聚体固化剂可释放出-NCO,其遇水立即反应释放出二氧化碳气体,二氧化碳气体在聚氨酯成膜过程中可形成微孔结构,保证涂层织物的透气性;聚乙二醇有助于纳米氧化锌粉末、纳米二氧化钛粉末的分散,进一步提升织物抗紫外线性能;
本发明进一步设置为:所述防水剂的制备方法如下:将水性聚氨酯和聚醚二醇放入反应釜中,加热至90-100℃,后抽真空至负0.09-负0.1MPa,抽取2小时后,冷却至70-80℃,加入甲苯二异氰酸酯进行反应,反应时间为1-2小时;将亚硫酸氢钠溶解在异丙醇中,将溶有亚硫酸氢钠的异丙醇和水加入反应物中,搅拌均匀,反应30-40分钟后,调节PH至3-4。
通过采用上述技术方案,在聚氨酯大分子链上引入水溶性基团,使聚氨酯分子本身具有一定的水溶性,聚氨酯在高温下成膜,薄膜完全覆盖在面料表面,将其他原料覆盖在内,使面料具有良好的耐水洗牢度,使面料经过多次洗涤之后,抗菌效果和抗紫外线效果仍然良好。
本发明进一步设置为:还包括3-7份补强剂,所述补强剂包括阴离子氨基硅油乳液。
通过采用上述技术方案,阴离子氨基硅油乳液含有的硅氧键非常柔软,键距长,键角和键能大,加入到改性聚氨酯中,可提高胶膜的抗扭曲弯挠性,使其力学性能增强,撕破强力提高,同时阴离子氨基硅油乳液中的氨基具有较强的极性,能够与纤维上的活性基团(如氨基、羟基等)发生作用,形成牢固的定向吸附层,减少纤维与其他物体间的摩擦,提升织物与纤维的延伸性,使织物撕破强力提高、柔软,并增进与织物的结合牢度。
本发明进一步设置为:还包括3-7份抗菌剂,所述抗菌剂包括质量比为1-3:2-5:1-3的芦荟汁、双乙酸钠、十二烷基三甲基氯化铵。
通过采用上述技术方案,芦荟汁中的芦荟素具有抗菌消炎和抗过敏的作用;双乙酸钠通过渗透微生物的细胞壁,干扰细胞内各种酶体系的生成,可以高效抑制十多种酶菌素的和多种细菌的滋生和蔓延;十二烷基三甲基氯化铵中的阳离子通过静电力、氢键力以及表面活性剂分子与蛋白质分子间的疏水结合等作用,吸附带负电的细菌体,聚集在细胞壁上,产生室阻效应,导致细菌生长受抑而死亡;同时其憎水烷基还能与细菌的亲水基作用,改变膜的通透性,继而发生溶胞作用,破坏细胞结构,引起细胞的溶解和死亡。
针对现有技术存在的不足,本发明的目的在于提供一种涤纶皮肤衣面料抗紫外处理工艺,其通过使用添加有防水剂的紫外线吸收剂,能够使涤纶皮肤衣在多次洗涤后,仍然具有良好的抗紫外线功能。
为实现上述目的,本发明提供了如下技术方案:包括以下步骤:
(1)水浴处理:将涤纶面料浸没在含有碱、精练剂和双氧水的水溶液中进行水浴处理,水浴温度为30-40℃,水浴时间为20-30分钟,水浴过程中,采用超声波振荡加速反应,再用20-30℃的去离子水洗涤2-3次除去涤纶面料表面的残留液,洗净后置于烘箱中,于45-50℃下烘干至恒重;
(2)紫外线吸收液的配制:将紫外线吸收剂加入配制罐中,边搅拌边缓慢加入35-40℃的水,搅拌速度在300-400转/分钟,加完水后,减慢搅拌速度至100-200转/分钟,搅拌15-20分钟,并加热至回流状态,继续保温搅拌10-15分钟,配制成紫外线吸收液;
(3)涤纶面料的浸轧:将配制好的紫外线吸收液加入浸液槽中,保持紫外线吸收液的温度在40-50℃,采用二浸二轧的方式对涤纶面料进行浸轧,每次浸泡时间为10-15分钟,轧车转速为3-6米/分钟,压力为0.35-0.56MPa,轧余率75-80%;
(4)紫外线吸收液的固着:将浸轧后的涤纶面料置于125-130℃的烘箱中固着2-5分钟,之后放在30-60℃的烘箱中烘干至恒重,再将烘干后的涤纶面料置于40-50℃的配制好的紫外线吸收液中,浸没20-35分钟后利用减液出料机除去多余的紫外线吸收剂,并与115-120℃条件下静置3-5分钟,最后置于65-70℃的烘箱中烘干至恒重;
(5)染色:将染料溶剂置于染缸中,搅拌均匀,并将染料加热至20-30℃,将固着紫外线吸收剂后的涤纶面料置于染缸中进行染色;
(6)定型:将染色完成的涤纶面料在90-100℃下烘干30-40min。
通过采用上述技术方案,先用含有碱、精练剂和双氧水的水溶液对涤纶皮肤衣面料进行水浴浸泡,能够出去涤纶皮肤衣面料上的油污和杂质,使涤纶皮肤衣面料保持整洁;同时双氧水在水浴处理涤纶皮肤衣面料的同时,还具有杀菌消毒的作用;并且在浸轧时,通过将紫外线吸收液的温度控制在40-50℃,以便于紫外线吸收液快速渗透到涤纶纤维结构中,能够并在浸轧后对紫外线吸收液进行高温固着,使水分快速挥发的同时促进防紫外线吸收液在涤纶纤维上的牢固附着;在染色时,保持染料溶剂一定的温度,能够时染料溶剂快速进入涤纶纤维中,与涤纶纤维表面附着,加快染料溶剂的浸染速率;最后对涤纶面料进行定型处理,使涤纶面料表面平整。
本发明进一步设置为:所述涤纶皮肤衣面料为20D涤纶,密度在330T以上,克重在50-120克/米。
通过采用上述技术方案,20D的尼龙面料的织物密度、线圈结构的紧密程度均良好,表面比较平整光洁,厚度较薄,作为皮肤衣面料,较为轻便舒适。
本发明进一步设置为:所述步骤(2)中紫外线吸收剂和水的质量比为5-10:100-150。
通过采用上述技术方案,紫外线吸收剂和水的质量比控制在5-10:100-150,这个范围能够使紫外线吸收剂较为均匀的溶解在水中,便于后续在浸轧处理时,紫外线吸收剂能够较为均匀在进入涤纶皮肤衣面料内。
本发明进一步设置为:所述步骤(5)中染料溶剂和涤纶面料的质量比为15-30:100-150。
通过采用上述技术方案,质量比为15-30:100-150的染料溶剂和涤纶面料,能够使涤纶面料完全浸没在染料溶剂中,使涤纶面料染色均匀。
本发明进一步设置为:所述碱是指氢氧化钠溶液,所述精练剂是指聚醚改性聚硅氧烷。
通过采用上述技术方案,氢氧化钠能够溶解涤纶面料上的油污和杂质,聚醚改性聚硅氧烷通过降低液体的表面张力,起到润湿、柔软等多种功效,并且可以起到抗静电、增强透气性的作用。
综上所述,本发明相比于现有技术具有以下有益效果:
(1)本发明通过在紫外线吸收剂中添加锌、二氧化钛粉末,其比表面积大,有强的表面效应、体积效应、量子尺寸效应等,以上效应使粉末对紫外线既有吸收能力又有一定的散射能力;并且通过添加水性氨基酸改性聚氨酯涂层胶,也能够进一步增加抗紫外线能力;
(2)本发明通过使用水洗氨基酸改性聚氨酯,其中的氨基酸具有多肽结构,通过肽键连接可形成蛋白,属于亲水基团,有亲肤作用,连接于主链之上使改性聚氨酯具有跟皮肤相似的功能,因此较常规聚氨酯有更强的亲水导湿作用,涂层织物透湿性大大提高,此外,氨基酸改性聚氨酯反应中生成氨基甲酸酯结构,该结构有助于聚氨酯大分子网状结构的形成,网状大分子成膜作用增强,有利于提升织物撕破强力,增加织物耐水洗牢度;
(3)本发明通过添加补强剂,能够提升织物与纤维的延伸性,使织物撕破强力提高,并且较为柔软,增进与织物的结合牢度;
(4)本发明通过添加抗菌剂,使用芦荟汁、双乙酸钠和十二烷基三甲基氯化铵,能够杀死细胞结构,消除细菌。
具体实施方式
实施例1:一种紫外线吸收剂,其特征在于:包括以下重量份的组分:3份纳米氧化锌粉、纳米4份二氧化钛粉、3份纳米玉石粉、3份微孔木质素、3份TDI三聚体固化剂、1份聚乙二醇、15份防水剂、3份阴离子氨基硅油乳液、3份抗菌剂;
其中抗菌剂包括质量比为1:2:1的芦荟汁、双乙酸钠、十二烷基三甲基氯化铵;
防水剂包括以下重量份的组分:20份水性氨基酸改性聚氨酯、18份聚醚二醇、21份甲苯二异氰酸酯、12份二羟甲基丙酸、10份亚硫酸氢钠、20份异戊醇、30份水;
防水剂的制备方法如下:将水性聚氨酯和聚醚二醇放入反应釜中,加热至90℃,后抽真空至负0.09MPa,抽取2小时后,冷却至70℃,加入甲苯二异氰酸酯进行反应,反应时间为1小时;将亚硫酸氢钠溶解在异丙醇中,将溶有亚硫酸氢钠的异丙醇和水加入反应物中,搅拌均匀,反应30-40分钟后,调节PH至3。
一种涤纶皮肤衣面料的抗紫外处理工艺,包括以下步骤:
(1)水浴处理:将涤纶面料浸没在含有氢氧化钠、聚醚改性聚硅氧烷和双氧水的水溶液中进行水浴处理,水浴温度为30℃,水浴时间为20分钟,水浴过程中,采用超声波振荡加速反应,再用20℃的去离子水洗涤2次除去涤纶面料表面的残留液,洗净后置于烘箱中,于45℃下烘干至恒重;
(2)紫外线吸收液的配制:将紫外线吸收剂加入配制罐中,边搅拌边缓慢加入35℃的水,搅拌速度在300转/分钟,加完水后,减慢搅拌速度至100转/分钟,搅拌15分钟,并加热至回流状态,继续保温搅拌10分钟,配制成紫外线吸收液,紫外线吸收剂和水的质量比为5:100;
(3)涤纶面料的浸轧:将配制好的紫外线吸收液加入浸液槽中,保持紫外线吸收液的温度在40℃,采用二浸二轧的方式对涤纶面料进行浸轧,每次浸泡时间为10分钟,轧车转速为3米/分钟,压力为0.35MPa,轧余率75%;
(4)紫外线吸收液的固着:将浸轧后的涤纶面料置于125℃的烘箱中固着2分钟,之后放在30℃的烘箱中烘干至恒重,再将烘干后的涤纶面料置于40℃的配置好的紫外线吸收液中,浸没20分钟后利用减液出料机除去多余的紫外线吸收液,并与115℃条件下静置3分钟,最后置于65℃的烘箱中烘干至恒重;
(5)染色:将染料溶剂置于染缸中,搅拌均匀,并将
染料加热至20℃,将固着紫外线吸收剂后的涤纶面料置于染缸中进行染色,染料溶剂和涤纶面料的质量比为15:100;
(6)定型:将染色完成的涤纶面料在90℃下烘干30min。
实施例2-6:一种紫外线吸收剂,与实施例1的区别在于,包含的组分和组分对应的含量如表1所示。
表1实施例2-6中紫外线吸收剂包含的组分和对应的重量份数
实施例7-11:一种紫外线吸收剂,与实施例1的区别在于,防水剂的组分和对应的含量如表2所示。
表2实施例7-11中防水剂的组分和对应的重量份数
实施例12:一种紫外线吸收剂,与实施例1的区别在于,抗菌剂包括质量比为2:3:2的芦荟汁、双乙酸钠、十二烷基三甲基氯化铵。
实施例13:一种紫外线吸收剂,与实施例1的区别在于,抗菌剂包括质量比为3:4:3的芦荟汁、双乙酸钠、十二烷基三甲基氯化铵。
实施例14:一种紫外线吸收剂,与实施例1的区别在于,应用该紫外线吸收剂的涤纶皮肤衣面料的抗紫外线处理工艺中的工艺参数如下:
(1)水浴处理:将涤纶面料浸没在含有氢氧化钠、聚醚改性聚硅氧烷和双氧水的水溶液中进行水浴处理,水浴温度为40℃,水浴时间为30分钟,水浴过程中,采用超声波振荡加速反应,再用30℃的去离子水洗涤2次除去涤纶面料表面的残留液,洗净后置于烘箱中,于50℃下烘干至恒重;
(2)紫外线吸收液的配制:将紫外线吸收剂加入配制罐中,边搅拌边缓慢加入40℃的水,搅拌速度在400转/分钟,加完水后,减慢搅拌速度至200转/分钟,搅拌20分钟,并加热至回流状态,继续保温搅拌15分钟,配制成紫外线吸收液,紫外线吸收剂和水的质量比为10:150;
(3)涤纶面料的浸轧:将配制好的紫外线吸收液加入浸液槽中,保持紫外线吸收液的温度在50℃,采用二浸二轧的方式对涤纶面料进行浸轧,每次浸泡时间为15分钟,轧车转速为6米/分钟,压力为0.56MPa,轧余率80%;
(4)紫外线吸收液的固着:将浸轧后的涤纶面料置于130℃的烘箱中固着5分钟,之后放在60℃的烘箱中烘干至恒重,再将烘干后的涤纶面料置于50℃的配置好的紫外线吸收液中,浸没35分钟后利用减液出料机除去多余的紫外线吸收液,并与120℃条件下静置5分钟,最后置于70℃的烘箱中烘干至恒重;
(5)染色:将染料溶剂置于染缸中,搅拌均匀,并将染料加热至30℃,将固着紫外线吸收剂后的涤纶面料置于染缸中进行染色,染料溶剂和涤纶面料的质量比为30:150;
(6)定型:将染色完成的涤纶面料在100℃下烘干40min。
对比例1-6:一种紫外线吸收剂,与实施例1的区别在于,包含的组分和对应的重量份数如表3所示(其中“/”表示该对比例中不含该组分)。
表3对比例1-6中紫外线吸收剂包含的组分及相应的重量份数
对比例9:可参考授权公告号为CN105131174B中国发明专利文件,其公开了一种通用于棉和涤纶的持久性抗紫外线整理剂及其制备方法,包括:1)本发明的通用于棉和涤纶的持久抗紫外线整理剂包含60~85%的阳离子型硅丙乳液和15~40%紫外线吸收剂溶液;2)本发明的持久抗紫外线整理剂的制备方法其步骤包括:乳液聚合反应制备阳离子型硅丙乳液、紫外线吸收剂溶液的配制以及紫外线吸收剂溶液与硅丙乳液的混合/乳化。
以实施例1-14和对比例1-9制得的紫外线吸收剂对同批同规格且等量的尼龙皮肤衣面料进行防紫外处理,并测定处理后尼龙皮肤衣面料的各项性能,使用相同质量的洗涤剂,清洗50次,按照抗紫外线性能测试标准:GB/T18830-2009进行检测,实施例1-14的测试结果如表4所示,对比例1-9的测试结果如表5所示。
表4经实施例1-14中经紫外线吸收剂处理后的涤纶皮肤衣面料经过50次洗涤后的测试结果
由表4可以看经过实施例1-14处理的涤纶皮肤衣面料的防紫外线性能在初始时即较为优良,在洗涤50次后,仍然具有良好的防紫外线性能,说明实施例1-14中使用的紫外线吸收剂和抗紫外工艺能够使涤纶皮肤衣面料具有良好的耐洗牢度。
表5经过对比例1-9中紫外线吸收剂处理后的涤纶皮肤衣面料洗涤50次后的测试结果
对比例1和对比例2中因没有使用纳米氧化锌粉和纳米二氧化钛粉,所以对比例1和对比例2处理的涤纶皮肤衣面料的防紫外线性能较差;对比例3中没有添加纳米玉石粉,但是涤纶面料的防紫外线性能良好;对比例6和对比例9中没有添加防水剂,在初始时,防紫外线性能优良,但是在洗涤50次后,防紫外线性能较差。
对实施例1-14和对比例1-9处理后的涤纶皮肤衣面料进行抗菌性以及透气率等性能进行检测,实施例1-14的检测结果如表6所示,对比例1-9的检测结果如表7所示。
表6实施例1-14处理后的涤纶皮肤衣面料的性能检测结果
由表6中数据可以看出,经过实施例1-14处理后的涤纶皮肤衣面料的各项性能测试结构均处于测试标准范围内,符合检测标准。
表7对比例1-9处理的涤纶皮肤衣面料的性能检测
表7中可以看出,对比例1-9中的涤纶皮肤衣面料的耐皂洗色牢度和耐摩擦色牢度均超过或低于检测标准,透气率和透湿率均较低,由于对比例8中没有添加抗菌剂,所以对比例8中的抑菌率较低。
以上所述仅是本发明的优选实施方式,本发明的保护范围并不仅局限于上述实施例,凡属于本发明思路下的技术方案均属于本发明的保护范围。应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理前提下的若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。
Claims (9)
1.一种紫外线吸收剂,其特征在于:包括以下重量份的组分:3-8份纳米氧化锌粉、4-9份纳米二氧化钛粉、3-8份纳米玉石粉、3-6份微孔木质素、3-6.5份TDI三聚体固化剂、1-15份聚乙二醇、15-20份防水剂;
所述防水剂包括以下重量份的组分:20-35份水性氨基酸改性聚氨酯、18-24份聚醚二醇、21-35份甲苯二异氰酸酯、12-16份二羟甲基丙酸、10-18份亚硫酸氢钠、20-30份异戊醇、30-40份水。
2.根据权利要求1所述的紫外线吸收剂,其特征在于:所述防水剂的制备方法如下:将水性聚氨酯和聚醚二醇放入反应釜中,加热至90-100℃,后抽真空至负0.09-负0.1MPa,抽取2小时后,冷却至70-80℃,加入甲苯二异氰酸酯进行反应,反应时间为1-2小时;将亚硫酸氢钠溶解在异丙醇中,将溶有亚硫酸氢钠的异丙醇和水加入反应物中,搅拌均匀,反应30-40分钟后,调节PH至3-4。
3.根据权利要求1所述的紫外线吸收剂,其特征在于:还包括3-7份补强剂,所述补强剂包括阴离子氨基硅油乳液。
4.根据权利要求1所述的紫外线吸收剂,其特征在于:还包括3-7份抗菌剂,所述抗菌剂包括质量比为1-3:2-5:1-3的芦荟汁、双乙酸钠、十二烷基三甲基氯化铵。
5.一种利用如权利要求1-4任一项所述的紫外线吸收剂的涤纶皮肤衣面料的抗紫外处理工艺,其特征在于:包括以下步骤:
(1)水浴处理:将涤纶面料浸没在含有碱、精练剂和双氧水的水溶液中进行水浴处理,水浴温度为30-40℃,水浴时间为20-30分钟,水浴过程中,采用超声波振荡加速反应,再用20-30℃的去离子水洗涤2-3次除去涤纶面料表面的残留液,洗净后置于烘箱中,于45-50℃下烘干至恒重;
(2)紫外线吸收液的配制:将紫外线吸收剂加入配制罐中,边搅拌边缓慢加入35-40℃的水,搅拌速度在300-400转/分钟,加完水后,减慢搅拌速度至100-200转/分钟,搅拌15-20分钟,并加热至回流状态,继续保温搅拌10-15分钟,配制成紫外线吸收液;
(3)涤纶面料的浸轧:将配制好的紫外线吸收液加入浸液槽中,保持紫外线吸收液的温度在40-50℃,采用二浸二轧的方式对涤纶面料进行浸轧,每次浸泡时间为10-15分钟,轧车转速为3-6米/分钟,压力为0.35-0.56MPa,轧余率75-80%;
(4)紫外线吸收液的固着:将浸轧后的涤纶面料置于125-130℃的烘箱中固着2-5分钟,之后放在30-60℃的烘箱中烘干至恒重,再将烘干后的涤纶面料置于40-50℃的配制好的紫外线吸收液中,浸没20-35分钟后利用减液出料机除去多余的紫外线吸收剂,并与115-120℃条件下静置3-5分钟,最后置于65-70℃的烘箱中烘干至恒重;
(5)染色:将染料溶剂置于染缸中,搅拌均匀,并将染料加热至20-30℃,将固着紫外线吸收剂后的涤纶面料置于染缸中进行染色;
(6)定型:将染色完成的涤纶面料在90-100℃下烘干30-40min。
6.根据权利要求5所述的涤纶皮肤衣面料的抗紫外处理工艺,其特征在于:所述涤纶皮肤衣面料为20D涤纶,密度在330T以上,克重在50-120克/米。
7.根据权利要求5所述的涤纶皮肤衣面料的抗紫外处理工艺,其特征在于:所述步骤(2)中紫外线吸收剂和水的质量比为5-10:100-150。
8.根据权利要求5所述的涤纶皮肤衣面料的抗紫外处理工艺,其特征在于:所述步骤(5)中染料溶剂和涤纶面料的质量比为15-30:100-150。
9.根据权利要求5所述的涤纶皮肤衣面料的抗紫外处理工艺,其特征在于:所述碱是指氢氧化钠溶液,所述精练剂是指聚醚改性聚硅氧烷。
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