CN106567258A - 一种防紫外线面料及其制造方法 - Google Patents

一种防紫外线面料及其制造方法 Download PDF

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CN106567258A
CN106567258A CN201610392499.4A CN201610392499A CN106567258A CN 106567258 A CN106567258 A CN 106567258A CN 201610392499 A CN201610392499 A CN 201610392499A CN 106567258 A CN106567258 A CN 106567258A
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uvioresistant
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姚新荣
姚旋
钱斌
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Yao Xuan
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Wujiang Zhiyin Cloth Industry Ltd Co
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Abstract

本发明公开了一种防紫外线面料,面料本体包括经抗紫外线和拒水处理的坯布层,所述坯布层内侧表面粘覆有抗紫外线层,所述抗紫外线层表面粘覆有填充层,所述抗紫外线层的厚度为0.005mm,所述填充层的厚度为0.03mm;所述坯布层克重为75g/㎡,其经紧度为43.3%,其纬紧度为28.9%,总紧度不小于59.69%,经纱单根纤维细度小于2.2dtex,纬纱单根纤维细度小于2.2dtex。本发明在兼具防紫外线个功能和透气透湿功能的同时,提高面料的耐洗性。

Description

一种防紫外线面料及其制造方法
技术领域
本发明涉及防紫外线的技术领域,具体而言,涉及一种防紫外线面料及其制造方法。
背景技术
现有的防紫外线织物一般通过简单的抗紫外整理来提高屏蔽紫外线的功能,达到保护人体的目的。目前已有采用UV抗紫外剂整理的405KT纯棉抗紫外线汗布,其紫外线屏蔽率为50%,耐水洗性良好。
然而,现有织物的防紫外线功能与透气透湿功能不能兼得。如要保证防紫外线效果,则织物的厚度与紧密度较高,从而降低了透气透湿效果;如要保证透气透湿效果,像皮肤衣,虽然够轻薄,但是没有达到防紫外线的效果或防紫外线的效果不好。所以,特别在适用于夏季的薄型面料以及浅色织物生产方面,一般的物理方法和简单的化学方法由于织物散热差、抗紫外整理剂升华性强、光稳定性能较差以及耐水洗性差等缺点,导致抗紫外线效果差或者难以持久,再加上织物的手感、卫生性能、美观等因素,已几乎完全被人们所摒弃。
就质地而言,不同纤维的防紫外效果不同,在化学纤维中,腈纶>涤纶>锦纶>粘胶、丝;在天然纤维中,羊毛>亚麻>蚕丝>棉纤维。纯棉织物作为夏季服装越来越受到广大消费者欢迎,但棉对紫外线的屏蔽效果是各种纤维中最差的。
此外,现有织物在经过防紫外线整理后的耐洗性差,多次水洗后防紫外线的效果下降甚至降为零。
根据相关统计数据表明,现有市面上的防晒服合格率只有17%,不足两成,甚至有六成防晒服压根没有防晒功能。抽检的100个批次样品中,80个批次来自网购平台,20个批次来自主流销售渠道,真正合格的只有17个批次。大多数都没有按照国家标准标明UPF值,100个批次里,只有24个批次明示了UPF值,分别从大于25到大于50不等。其他的产品则是在名称中宣传“防晒”或者在产品介绍中号称“具有防紫外线功能”,实则不然。实际上,只有当紫外线防护系数UPF>40,且日光紫外线UVA的透过率T(UVA)AV<5%时,才可称为“防紫外线产品”。也就是说,即使标出了UPF值,但标注值不到40的,同样不合格。但这个属于推荐性的、非强制性标准,一般厂家不会花费较高的成本来增加特殊物质或者使用特殊纤维材料,也不可能专门去增加特殊涂层。但是如果要称自己的产品为“防紫外线产品”,那就必须遵循这个标准。而本发明在遵循和高于这个标准上,使用高F数高紧度面料,配合特殊的后整理,让紫外线吸收剂更好的渗透到面料组织中并提高吸收剂的牢固性,提高了紫外线吸收的能力,再进行后整理处理,克服了抗紫外整理剂升华性强、光稳定性能较差以及耐水洗性差等缺点,使织物抗紫外线效果差得以持久稳定,该发明经过测试,UPF结果为500,是国标的12.5倍。
因此,设计一种防紫外线面料,兼具防紫外线个功能和透气透湿功能的同时,提高面料抗紫外线功能的耐洗性,显然具有积极的现实意义。
发明内容
本发明的发明目的是提供一种防紫外线面料及其制造方法,兼具防紫外线个功能和透气透湿功能的同时,提高面料抗紫外线性能和耐洗性。
为达到上述发明目的,本发明采用的技术方案是:一种防紫外线面料,面料本体包括经抗紫外线和拒水处理的坯布层,所述坯布层内侧表面粘覆有抗紫外线层,所述抗紫外线层表面粘覆有填充层,所述抗紫外线层的厚度为0.005mm,所述填充层的厚度为0.03mm;
所述坯布层克重为75g/㎡,其经紧度为43.3%,其纬紧度为28.9%,总紧度不小于59.69%,经纱单根纤维细度小于2.2dtex,纬纱单根纤维细度小于2.2dtex。
优选地,所述坯布层采用尼龙纤维。
优选地,所述抗紫外线层采用二苯酮类紫外线吸收剂。
优选地,所述填充层采用热塑性聚氨酯弹性体。
优选地,所述经纱为全拉伸丝。
优选地,所述纬纱为空气变形丝。
一种防紫外线面料的制造方法,其包括如下步骤:
步骤一、采用退浆工艺,在常温不低于80℃的情况下用活性染化料对坯布层进行染色,再经清水定型,温度不低于100℃,车速不低于20米/分钟;
步骤二、在车速不低于20米/分钟,温度不低于100℃的情况下,以至少100:1的比例,通过焙固法使抗紫外线整理剂进入坯布层纤维内部并固着在纤维上;
步骤三、在车速不低于30 米/分钟,温度不低于100℃的情况下,对步骤二所得面料进行防水处理,得到坯布层;
步骤四、将抗紫外线整理剂与胶水以至少1:100的比例进行混合,在车速不低于20 米/分钟,温度范围100℃~200℃的情况下,对步骤三所得坯布层内侧表面进行不低于15g的涂层处理,涂层厚度为0.005mm,形成抗紫外线层;
步骤五、在温度不低于100℃的情况下,加热填充料,嵌入面料孔内抹平,形成填充层,厚度为0.03mm。;
步骤六、将步骤五所得面料进行烘干处理,得到面料成品。
由于上述技术方案运用,本发明与现有技术相比具有下列优点:
本发明的防紫外线面料,采用编织紧密度高、单位面积织物的间隙地的坯布,大大减少紫外线的透过率,从源头赋予织物一定的防紫外线的性能,同时保证了面料的透气透湿功能,再经过特殊工艺处理,对坯布层进行抗紫外线和拒水处理,并在坯布层内侧表面依次粘覆抗紫外线层和填充层,进一步提升了面料的防紫外线功能,提高面料抗紫外线功能的耐洗性。
附图说明
图1是本发明实施例一中的防紫外线面料结构示意图。
其中:1、坯布层;2、抗紫外线层;3、填充层。
具体实施方式
下面结合附图及实施例对本发明作进一步描述:
实施例一:
参见图1所示,一种防紫外线面料,面料本体包括经抗紫外线和拒水处理的坯布层1,所述坯布层内侧表面粘覆有抗紫外线层2,所述抗紫外线层表面粘覆有填充层3,所述抗紫外线层的厚度为0.005mm,所述填充层的厚度为0.03mm;
所述坯布层克重为75g/㎡,其经紧度为43.3%,其纬紧度为28.9%,总紧度不小于59.69%,经纱单根纤维细度小于2.2dtex,纬纱单根纤维细度小于2.2dtex。
本实施例中,所述坯布层采用尼龙纤维,还可以用防紫外线纤维或长丝或者选用其它功能性及非功能性的纤维素纤维和蛋白质纤维中的一种或几种。
所述坯布层优选平纹组织,还可以是平纹变化组织、斜纹、斜纹及其变化组织、缎纹、缎纹及其变化组织、大提花、小提花等。
所述抗紫外线层采用二苯酮类紫外线吸收剂,如美国昂高雷奥山C,还可以选用包括但不局限于紫外线屏蔽剂、紫外线吸收剂、光电子猝灭剂3类。
所述填充层采用热塑性聚氨酯弹性体(TPU, Thermoplastic polyurethanes),还可以选用PU,PA,PE,PVC、PTFE等。
所述经纱为全拉伸丝(FDY,fully drawn yarn),还可以选用预取向丝(POY,preorientted yarn)、拉伸变形丝(DTY ,draw texturing yarn)、未拉伸丝(UDY,undrawn yarn)、中取向丝(MOY,medium oriented yarn)、部分取向丝(POY,partially oriented yarn)、拉伸丝(DY,drawn yarn)、全取向丝(FOY,fully oriented yarn)、变形丝(TY,texturing yarn)、拉伸变形丝(DTY,draw texturing yarn)等初生丝和变形丝。
所述纬纱为空气变形丝(ATY,air texturing yarn),还可以选用预取向丝(POY,PREORIENTTED YARN)、拉伸变形丝(DTY ,DRAW TEXTURING YARN)、未拉伸丝(UDY,undrawn yarn)、中取向丝(MOY,medium oriented yarn)、部分取向丝(POY,partially oriented yarn)、拉伸丝(DY,drawn yarn)、全取向丝(FOY,fully oriented yarn)、变形丝(TY,texturing yarn)、拉伸变形丝(DTY,draw texturing yarn)等初生丝和变形丝。
一种防紫外线面料的制造方法,其包括如下步骤:
步骤一、采用退浆工艺,在常温不低于80℃的情况下用活性染化料对坯布层进行染色,再经清水定型,温度不低于100℃,车速不低于20米/分钟;
步骤二、在车速不低于20 米/分钟,温度不低于100℃的情况下,以至少100:1的比例,通过焙固法使抗紫外线整理剂进入坯布层纤维内部并固着在纤维上;
步骤三、在车速不低于30 米/分钟,温度不低于100℃的情况下,对步骤二所得面料进行防水处理,得到坯布层;
步骤四、将抗紫外线整理剂与胶水以至少1:100的比例进行混合,在车速不低于20 米/分钟,温度范围100℃~200℃的情况下,对步骤三所得坯布层内侧表面进行不低于15g的涂层处理,涂层厚度为0.005mm,形成抗紫外线层;
步骤五、在温度不低于100℃的情况下,加热填充料,嵌入面料孔内抹平,形成填充层,厚度为0.03mm;
步骤六、将步骤五所得面料进行烘干处理,得到面料成品。
具体地,所述步骤五和步骤六的处理过程为,带有转移纸的TPU依次经过张力装置和涂布器后,被黏合到面料本体的第二抗紫外线层上,再经烘干、冷却、转移纸分离,得到面料成品。
本发明的防紫外线面料,具有很好的防紫外线功能和透气透湿功能,且手感好,耐水洗,纤维强度、拉伸性、色泽等均不受影响;其制造工艺可以运用到纺织后整理,服装、遮阳帽、长筒袜等服装行业,婴童用品行业,帐篷、雨伞等户外用品以及汽车车篷、家纺窗帘布、广告布等产业用布上。
值得一提的是,本发明所使用的抗紫外线整理剂、防水剂及填充料并不局限于本实施例所给出的。
实施例二:坯布层采用涤棉混纺抗紫外线功能纤维,其经紧度为59.3%,其纬紧度为42.1%,总紧度为76.43%。经纱单根纤维细度为0.93dtex,纬纱单根纤维细度为0.74dtex。纤维采用上浆不加捻工艺,通过普通织机织造而来,最后得到斜纹组织坯布。
采用退浆工艺,在常温100℃的情况下用活性染化料进行染色,清水定型温度170℃,车速60米/分钟。运用UV助剂,其品牌为美国昂高雷奥山C,在车速60米/分钟,温度160℃的情况下,以至少100:1的比例进行处理。其次,用日本防水剂做了常规防水处理,车速60米/分钟,温度150℃。然后用日本UV粉与胶水以至少1:100混合,在温度160℃,车速50米/分钟的速度下进行40g的涂层处理,厚度为0.006mm ,随后,在温度160℃时加热热塑性聚氨酯弹性体,嵌入织物孔内抹平,厚度为0.02mm,最后进行烘干处理来完成最后一道工艺。
本发明按照上述技术方案测试了本实施例得到的抗紫外线效果,结果表明,本实施例得到的防紫外线面料的UPF为75。
实施例三:坯布层采用常规尼龙纤维,克重为 75g/㎡ ,其经紧度为43.3%,其纬紧度为28.9%,总紧度为59.69%。经纱单根纤维细度为2.2dtex,纬纱单根纤维细度为2.2dtex。
采用退浆工艺,在常温100℃的情况下用活性染化料进行染色,清水定型温度170℃,车速60米/分钟。运用UV助剂,其品牌为亨斯迈UV-SUN(尤维晒) CEL LIQ,在车速60米/分钟,温度160℃的情况下,以100:3的比例进行处理。其次,用常规防水剂做了防水处理,车速60米/分钟,温度150℃。然后用巴斯夫(汽巴)CHIMASSORB81的UV粉与胶水以3:100混合,在温度160℃,车速50米/分钟的速度下进行30g的涂层处理,厚度为 0.003mm ,随后,在温度160℃时加热热塑性聚氨酯弹性体,嵌入织物孔内抹平厚度为0.03mm,最后进行烘干处理来完成最后一道工艺。
本发明按照上述技术方案测试了本实施例得到的抗紫外线效果,结果表明,本实施例得到的防紫外线面料的UPF为90。
实施例四:坯布层采用常规尼龙纤维,克重为 70g/㎡ ,其经紧度为43.3%,其纬紧度为28.9%,总紧度为59.69%。经纱单根纤维细度为2.2dtex,纬纱单根纤维细度为2.2dtex。
采用退浆工艺,在常温100℃的情况下用活性染化料进行染色,清水定型温度170℃,车速60米/分钟。运用亨斯迈UV助剂,在车速60米/分钟,温度170的情况下,以100:1的比例进行处理。其次,做了防水处理,车速60,温度150℃。然后用日本UV粉与胶水以至少3:100混合,在温度160℃,车速50的速度下进行35g的涂层处理,厚度为0.006mm,随后,在温度160℃时覆PVC膜,厚度为0.025mm,最后进行烘干处理来完成最后一道工艺。
本发明按照上述技术方案测试了本实施例得到的抗紫外线效果,结果表明,本实施例得到的防紫外线面料的UPF为85。

Claims (7)

1.一种防紫外线面料,其特征在于:面料本体包括经抗紫外线和拒水处理的坯布层,所述坯布层内侧表面粘覆有抗紫外线层,所述抗紫外线层表面粘覆有填充层,所述抗紫外线层的厚度为0.005mm,所述填充层的厚度为0.03mm;
所述坯布层克重为75g/㎡,其经紧度为43.3%,其纬紧度为28.9%,总紧度不小于59.69%,经纱单根纤维细度小于2.2dtex,纬纱单根纤维细度小于2.2dtex。
2.根据权利要求1所述的一种防紫外线面料,其特征在于:所述坯布层采用尼龙纤维。
3.根据权利要求1所述的一种防紫外线面料,其特征在于:所述抗紫外线层采用二苯酮类紫外线吸收剂。
4.根据权利要求1所述的一种防紫外线面料,其特征在于:所述填充层采用热塑性聚氨酯弹性体。
5.根据权利要求1所述的一种防紫外线面料,其特征在于:所述经纱为全拉伸丝。
6.根据权利要求1所述的一种防紫外线面料,其特征在于:所述纬纱为空气变形丝。
7.一种防紫外线面料的制造方法,其包括如下步骤:
步骤一、采用退浆工艺,在常温不低于80℃的情况下用活性染化料对坯布层进行染色,再经清水定型,温度不低于100℃,车速不低于20米/分钟;
步骤二、在车速不低于20 米/分钟,温度不低于100℃的情况下,以至少100:1的比例,通过焙固法使抗紫外线整理剂进入坯布层纤维内部并固着在纤维上;
步骤三、在车速不低于30 米/分钟,温度不低于100℃的情况下,对步骤二所得面料进行防水处理,得到坯布层;
步骤四、将抗紫外线整理剂与胶水以至少1:100的比例进行混合,在车速不低于20米/分钟,温度范围100℃~200℃的情况下,对步骤三所得坯布层内侧表面进行不低于15g的涂层处理,涂层厚度为0.005mm,形成抗紫外线层;
步骤五、在温度不低于100℃的情况下,加热填充料,嵌入面料孔内抹平,形成填充层,厚度为0.03mm;
步骤六、将步骤五所得面料进行烘干处理,得到面料成品。
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