CN113152074A - 一种氨纶包覆丝及其制备方法及应用该包覆丝的内衣面料 - Google Patents
一种氨纶包覆丝及其制备方法及应用该包覆丝的内衣面料 Download PDFInfo
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Abstract
本申请涉及纺织领域,更具体地说,它涉及一种氨纶包覆丝及其制备方法及应用该包覆丝的内衣面料。所述氨纶包覆丝包括氨纶芯丝和包覆于氨纶芯丝表面的功能性层,所述功能性层由包含如下质量份的原料组分混合涂覆得到:抗静电剂:2~4份;抗菌剂:1~3份;纳米金属氧化物:9~17份;纳米纤维素:6~13份;苯基三甲氧基硅烷:10~20份;水:50~70份。本申请制备得到的内衣面料具有优异的抗菌性能与抗静电性能,且具有较好的耐水洗性能,能够保持抗菌作用与抗静电性能的长效性。
Description
技术领域
本申请涉及纺织领域,更具体地说,它涉及一种氨纶包覆丝及其制备方法及应用该包覆丝的内衣面料。
背景技术
氨纶纤维可与棉纤维等进行混纺制备内衣面料,以增加内衣的保暖性能。然而,氨纶纤维导电性能较差,容易积聚电荷产生静电,刺激皮肤使皮肤干燥、起皮。
为改善氨纶面料的抗静电性能,相关技术中通过在面料上附着抗静电剂,如申请号为CN201220632474.4的中国专利申请中公开了一种氨纶面料,该氨纶面料由100D/36F的平针线圈和100D/144F的拉长沉降弧的毛圈线圈经过纬编依次串套而成,平针线圈的每股纱线中设有1根氨纶单丝,所述单根氨纶单丝被多根涤纶单丝包覆起来,氨纶面料上附着有抗静电剂。
上述中的相关技术,通过在氨纶面料附着抗静电剂,提高面料的导电性,从而减少静电荷的积聚。发明人认为,抗静电剂在水洗后容易脱落,耐水洗性能较差。
申请内容
为了改善氨纶面料的抗静电性能,并提高抗静电剂的耐水洗性能,本申请提供一种氨纶包覆丝及其制备方法及应用该包覆丝的内衣面料。
第一方面,本申请提供一种氨纶包覆丝,采用如下的技术方案:
一种氨纶包覆丝,所述氨纶包覆丝包括氨纶芯丝和包覆于氨纶芯丝表面的功能性层,所述功能性层由包含如下质量份的原料组分混合涂覆得到:
抗静电剂:2~4份;
抗菌剂:1~3份;
纳米金属氧化物:9~17份;
纳米纤维素:6~13份;
苯基三甲氧基硅烷:10~20份;
水:50~70份。
通过采用上述技术方案,由于采用纳米纤维素与苯基三甲氧基硅烷,在将抗静电剂与抗菌剂充分负载于氨纶表面的同时,能够在氨纶芯丝表面形成致密的具有抗菌及抗静电作用的功能性层,且具有更为优异的耐水洗性能。
纳米纤维素表面含有大量羟基,能够相互键合形成氢键,并产生三维网络结构,使得抗菌剂、抗静电剂与金属氧化物充分负载于氨纶芯丝表面。而苯基三甲氧基硅烷经水解后可得到大量硅醇基团,一方面能够自身缩合形成聚合物,另一方面,能够与纳米纤维素表面的羟基发生醚化反应形成化学连接,促使功能性层与氨纶芯丝粘连更为致密牢固,提高氨纶面料的耐水洗性能。
优选的,所述纳米金属氧化物为纳米氧化锌/壳聚糖复合颗粒,所述纳米氧化锌/壳聚糖复合颗粒按照如下方法制备得到:
S101:将纳米氧化锌粉体和壳聚糖加入浓度为25~30wt%的氢氧化钠水溶液中,搅拌30~60min,充分分散,加水稀释,制得悬浊液,将悬浊液置于170~200℃下恒温反应1~2d,制得沉淀物;
S102:将沉淀物水洗至中性,再经醇洗,50~65℃干燥8~10h,制得纳米氧化锌/壳聚糖复合颗粒。
通过采用上述技术方案,将壳聚糖分子插入纳米氧化锌的晶格结构中,制备得到的复合颗粒不仅具有优异的导电性能,还具有抗菌作用。氧化锌一方面具有导电作用,能够减少氨纶表面静电荷的积聚,提高其抗静电性能;另一方面,其与壳聚糖均具有广谱抗菌作用,具有抑菌杀菌效果。复合颗粒中,壳聚糖分子结构中带有较多的胺基,因此带有正电,能够快速吸附细菌,配合以氧化锌的催化杀菌作用,有效提高氨纶丝或面料的抗菌效果。
优选的,步骤S101中,所述纳米氧化锌粉体和壳聚糖的质量比为1:(3~6)。
通过采用上述技术方案,在保障织物抗静电性能的前提下,能够有效提高去抗菌性能。
优选的,步骤S101的氢氧化钠水溶液中还添加有占纳米氧化锌与壳聚糖总质量的1~2%的阴离子表面活性剂。
通过采用上述技术方案,在制备沉淀物的反应中,添加阴离子表面活性剂能够促进壳聚糖与纳米氧化锌的分散,促进粒径更小,混合更为均匀的复合颗粒地形成,从而提高抗菌与抗静电效果。
优选的,步骤S101中,所述壳聚糖的脱乙酰度≥90。
通过采用上述技术方案,脱乙酰度提高,可增加壳聚糖分子结构中胺基的含量,有利于提高复合颗粒的抗菌性能。
优选的,所述功能性层的原料还包括有1.5~3份的分散剂,所述分散剂采用硅烷偶联剂、聚乙二醇与聚乙烯吡咯烷酮中的一种或几种。
通过采用上述技术方案,一方面,利用分散剂能够提高复合颗粒的分散性能,减少团聚现象的产生,促进复合颗粒在氨纶织物表面性能的发挥;另一方面,能够增加复合颗粒与氨纶织物表面的附着力,提高功能性层的耐水洗性能。
第二方面,本申请提供一种氨纶包覆丝的制备方法,采用如下的技术方案:
一种氨纶包覆丝的制备方法,其特征在于,包括如下步骤:
S201:将抗菌剂、抗静电剂加入水中,然后加入将纳米氧化物与硅烷偶联剂的混合物,再依次加入分散剂、纳米纤维素与苯基三甲氧基硅烷,充分混合,制得整理剂;
S202:将氨纶芯丝置于整理剂中浸渍1~2h,取出静置晾干0.5~1h,再置于73~85℃下恒温烘干2~3h,得到氨纶包覆丝。
通过采用上述技术方案,通过浸渍整理,能够将抗菌剂、抗静电剂以及纳米氧化物充分附着在氨纶芯丝表面,经烘干干燥后形成致密的、附着力强的功能性膜层,其具有更为优异的耐水洗性能,不易脱落。
第三方面,本申请提供一种内衣面料,采用上述任一所述的氨纶包覆丝编织得到。
通过采用上述技术方案,制备得到的面料具有优异的抗菌性能、抗静电性能以及耐水洗性能。
综上所述,本申请具有以下有益效果:
1、由于本申请采用纳米纤维素与苯基三甲氧基硅烷,能够与氨纶面料织物形成粘连更为致密的功能性层,在提高织物抗菌与抗静电性能的同时,能够提高其耐水性能,使得功能性层不易脱落。
2、本申请中优选采用纳米氧化锌/壳聚糖复合颗粒,在保障织物抗静电性能的前提下,有效地提高了织物的抗菌性能。
3、本申请中采用硅烷偶联剂、聚乙烯吡咯烷酮等作为分散剂,促进了纳米氧化锌/壳聚糖复合颗粒与氨纶织物的界面粘合力,提高了面料织物的耐水性性能。
具体实施方式
以下结合实施例对本申请作进一步详细说明。
制备例
制备例1,一种纳米氧化锌/壳聚糖复合颗粒,按照如下方法制备得到:
S101:在搅拌条件下,将10g纳米氧化锌粉体加入150ml浓度为25wt%的氢氧化钠水溶液中,再依次加入50g脱乙酰度为95%的壳聚糖以及1.2g的阴离子表面活性剂,继续搅拌30min,充分分散,加150ml水稀释,制得悬浊液,将悬浊液置于185℃下恒温反应1d,过滤得到沉淀物;
S102:将沉淀物水洗3次至中性,除去残余的氢氧化钠,再用无水乙醇醇洗2次,置于60℃的温度下干燥10h,制得纳米氧化锌/壳聚糖复合颗粒。
制备例2,一种纳米氧化锌/壳聚糖复合颗粒,与制备例1的区别在于,步骤S101中,壳聚糖的添加量为20g,使得纳米氧化锌与壳聚糖的质量比为1:2。
制备例3,一种纳米氧化锌/壳聚糖复合颗粒,与制备例1的区别在于,步骤S101中,壳聚糖的添加量为70g,使得纳米氧化锌与壳聚糖的质量比为1:7。
制备例4,一种纳米氧化锌/壳聚糖复合颗粒,与制备例1的区别在于,步骤S101中,采用阳离子表面活性剂替代阴离子表面活性剂。
制备例5,一种纳米氧化锌/壳聚糖复合颗粒,与制备例1的区别在于,步骤S101中,采用非离子表面活性剂替代阴离子表面活性剂。
制备例6,一种纳米氧化锌/壳聚糖复合颗粒,与制备例1的区别在于,步骤S101中,不添加阴离子表面活性剂。
制备例7,一种纳米氧化锌/壳聚糖复合颗粒,与制备例1的区别在于,步骤S101中,采用脱乙酰度为85%的壳聚糖。
实施例
实施例1,一种氨纶包覆丝,按照如下方法制备得到:
S201:按照表1所示的配比,将制备例1制得的纳米氧化锌/壳聚糖复合颗粒(纳米氧化物)与硅烷偶联剂的搅拌混合均匀,得到预混物,再依次将抗菌剂、抗静电剂、预混物、分散剂、纳米纤维素与苯基三甲氧基硅烷加入水中,继续搅拌30min,制得整理剂;
S202:将纤度为100D的氨纶芯丝置于整理剂中浸渍1h,取出静置晾干1h,再置于75℃下恒温烘干3h,得到氨纶包覆丝。
实施例2~6,一种氨纶包覆丝,与实施例1的区别在于,各原料组分的选择及其相应含量如表1所示。
表1实施例1~6氨纶包覆丝功能性层的原料选择及其相应用量(㎏)
表2各原料组分的厂家型号信息
实施例7,一种氨纶包覆丝,与实施例1的区别在于,步骤S201中,采用制备例2制得的纳米氧化锌/壳聚糖复合颗粒。
实施例8,一种氨纶包覆丝,与实施例1的区别在于,步骤S201中,采用制备例3制得的纳米氧化锌/壳聚糖复合颗粒。
实施例9,一种氨纶包覆丝,与实施例1的区别在于,步骤S201中,采用制备例4制得的纳米氧化锌/壳聚糖复合颗粒。
实施例10,一种氨纶包覆丝,与实施例1的区别在于,步骤S201中,采用制备例5制得的纳米氧化锌/壳聚糖复合颗粒。
实施例11,一种氨纶包覆丝,与实施例1的区别在于,步骤S201中,采用制备例6制得的纳米氧化锌/壳聚糖复合颗粒。
实施例12,一种氨纶包覆丝,与实施例1的区别在于,步骤S201中,采用制备例7制得的纳米氧化锌/壳聚糖复合颗粒。
对比例
对比例1,一种氨纶包覆丝,与实施例1的区别在于,步骤S201中,采用等量的水性聚氨酯替代纳米纤维素。
对比例2,一种氨纶包覆丝,与实施例1的区别在于,步骤S201中,不添加苯基三甲氧基硅烷。
对比例3,一种氨纶包覆丝,与实施例1的区别在于,步骤S201中,采用水性聚氨酯替代苯基三甲氧基硅烷和纳米纤维素。
应用例
应用例1,一种内衣面料,采用实施例1中制得的氨纶包覆丝与100S/3的棉纱按照60:40的混纺比编织得到。
应用例2~12,一种内衣面料,分别采用实施例2~12中制得的氨纶包覆丝与100S/3的棉纱按照60:40的混纺比编织得到。
对照例1~3,一种内衣面料,分别采用对比例1~3中的氨纶包覆丝编织得到。
对照例4,一种氨纶面料,采用100D/36F的平针线圈和100D/144F的拉长沉降弧的毛圈线圈经过纬编依次串套而成,平针线圈的每股纱线中设有1根氨纶单丝,所述单根氨纶单丝被3根涤纶单丝包覆起来,所述氨纶面料上附着有十八烷基二甲基羟乙基季铵硝酸盐(抗静电剂)。
性能检测试验
试验1:面料抗静电性能测试试验样品:在应用例1~12与对照例1~4制得的内衣面料中裁取尺寸为45mm×60mm的布样作为试样。
试验方法:采用YC401织物感应式静电测试仪为测试仪器,在相对湿度为50%,温度为25℃的室温环境中进行测试。其中,转盘转速为1500r/min,针形电极与试样之间放电距离为20mm,测试探头与试样之间的测量间距为15mm。测试结果如表3所示。
试验2:面料抗菌性能测试试验样品:在应用例1~12与对照例1~4制得的内衣面料中裁取尺寸为45mm×60mm的布样作为试样。
试验方法:采用FZ/T 73023-2006《抗菌针织品》中附录D8《抗菌织物测试方法:振荡法》对试样的抗菌性能进行测试。振动频率为200rpm,振动时间为30min,振荡的同时,采用150W的日光灯对试样进行照射,日光灯与试样的距离为3m。测试得到面料试样对大肠杆菌的抑菌率,测试结果如表3所示。
表3面料抗静电性能与抗菌性能测试结果
试验结果分析:
(1)结合应用例1~3与对照例1~4并结合表3可以看出,采用纳米氧化锌/壳聚糖复合颗粒能够显著提高内衣面料的抗静电性能与抗菌性能。其原因可能在于,复合颗粒中的纳米氧化锌成分具有优异的导电性能,其附着于氨纶包覆丝表面,能够有效的减少静电荷的积聚,降低面料表面的静电压;另外,纳米氧化锌还可通过催化氧化作用产生一定的抗菌效果,提高面料的抑菌性能。同时,纳米氧化锌晶体结构中插入的壳聚糖,具有广谱抗菌作用,且其分子结构中含有大量的胺基,对细胞膜带负电的细菌具有吸附作用,起到更为高效的杀菌作用。
(2)结合应用例1与应用例4~5并结合表3可以看出,采用纳米氧化锌、纳米氧化铝均能够有效改善面料的抗静电性能,但是,相比于采用纳米氧化锌/壳聚糖复合颗粒,其对抗静电性能的增加较小,且抗菌性能显著下降。其原因可能在于,壳聚糖成分与氧化锌成分具有协同效果,壳聚糖可通过对细菌的吸附作用,促进复合颗粒抗菌作用的发挥。
(3)结合应用例1与应用例6并结合表3可以看出,采用硅烷偶联剂与聚乙烯吡咯烷酮复配而得的分散剂,有利于提高民面料的抗静电性能与抗菌性能。其原因可能在于,硅烷偶联剂能够改善纳米氧化锌/壳聚糖复合颗粒与氨纶纤维的界面性能,提高其粘接强度,且其与聚乙烯吡咯烷酮均能够促进复合颗粒的分散,抑制纳米颗粒的团聚现象,促使复合颗粒均匀致密地附着于纤维表面,起到更好的抗菌、抗静电效果。
(4)结合应用例1与应用例7~8并结合表3可以看出,按照1:(3~6)的质量比制备得到的复合颗粒,其抗静电性能与抗菌性能较好。其原因可能在于,壳聚糖含量太高容易使抗静电性能下降,反之,则导致抗菌性能下降。
(5)结合应用例1与应用例7~8并结合表3可以看出,制备纳米氧化锌/壳聚糖复合颗粒时采用阴离子表面活性剂,有利于提高其抗静电性能与抗菌性能,且采用阳离子表面活性剂或非离子表面活性剂均无法达到最佳效果。其原因可能在于,纳米氧化锌具有团聚倾向,采用表面活性剂能够有效提高壳聚糖原料与纳米氧化锌原料的分散性,有利于形成粒径更小、性能更为均一的复合颗粒,从而提高抗菌、抗静电性能。
试验3:面料功能性层耐水洗性能测试结果试验样品:在应用例1~12与对照例1~4制得的内衣面料中裁取尺寸为45mm×60mm的布样作为试样。
试验方法:照GB/T 3921-2008《纺织品色牢度试验耐皂洗色牢度》中的检测标准,将试样皂洗10次后,采用试验1与试验2中等检测方法再次测量其静电压半衰期与抑菌率,并计算得到抗静电性能保持率(S1)与抗菌性能保持率(S2),测试结果如表4所示。
表4面料功能性层耐水洗性能测试结果
试验结果分析:
结合应用例1~3与对照例1~4并结合表3可以看出,采用纳米纤维素与苯基三甲氧基硅烷作为粘合剂,能够有效提高面料功能性层的耐水性性能,且单独采用任一组分均无法达到最佳效果。其原因可能在于,纳米纤维素表面含有大量羟基,能够相互键合形成氢键,从而在氨纶纤维表面形成三维网络结构,使得抗菌剂、抗静电剂与金属氧化物充分负载于氨纶芯丝表面。而苯基三甲氧基硅烷经水解后可得到大量硅醇基团,一方面能够自身缩合形成聚合物,缠绕在三维网络结构中;另一方面,硅醇基团能够与纳米纤维素表面的羟基发生醚化反应形成化学连接,促使功能性层与氨纶芯丝产生更为致密牢固的粘连,提高功能性层的附着力与致密性,从而使得功能性层不易被水浸润而产生脱落,耐水洗性能显著提高。
本具体实施例仅仅是对本申请的解释,其并不是对本申请的限制,本领域技术人员在阅读完本说明书后可以根据需要对本实施例做出没有创造性贡献的修改,但只要在本申请的权利要求范围内都受到专利法的保护。
Claims (8)
1.一种氨纶包覆丝,其特征在于,所述氨纶包覆丝包括氨纶芯丝和包覆于氨纶芯丝表面的功能性层,所述功能性层由包含如下质量份的原料组分混合涂覆得到:
抗静电剂:2~4份;
抗菌剂:1~3份;
纳米金属氧化物:9~17份;
纳米纤维素:6~13份;
苯基三甲氧基硅烷:10~20份;
水:50~70份。
2.根据权利要求1所述的一种氨纶包覆丝,其特征在于,所述纳米金属氧化物为纳米氧化锌/壳聚糖复合颗粒,所述纳米氧化锌/壳聚糖复合颗粒按照如下方法制备得到:
S101:将纳米氧化锌粉体和壳聚糖加入浓度为25~30wt%的氢氧化钠水溶液中,搅拌30~60min,充分分散,加水稀释,制得悬浊液,将悬浊液置于170~200℃下恒温反应1~2d,制得沉淀物;
S102:将沉淀物水洗至中性,再经醇洗,50~65℃干燥8~10h,制得纳米氧化锌/壳聚糖复合颗粒。
3.根据权利要求2所述的一种氨纶包覆丝,其特征在于,步骤S101中,所述纳米氧化锌粉体和壳聚糖的质量比为1:(3~6)。
4.根据权利要求3所述的一种氨纶包覆丝,其特征在于,步骤S101的氢氧化钠水溶液中还添加有占纳米氧化锌与壳聚糖总质量的1~2%的阴离子表面活性剂。
5.根据权利要求2所述的一种氨纶包覆丝,其特征在于,步骤S101中,所述壳聚糖的脱乙酰度≥90。
6.根据权利要求1所述的一种氨纶包覆丝,其特征在于,所述功能性层的原料还包括有1.5~3份的分散剂,所述分散剂采用硅烷偶联剂、聚乙二醇与聚乙烯吡咯烷酮中的一种或几种。
7.根据权利要求1~6中任一项所述的一种氨纶包覆丝的制备方法,其特征在于,包括如下步骤:
S201:将抗菌剂、抗静电剂加入水中,然后加入将纳米氧化物与硅烷偶联剂的混合物,再依次加入分散剂、纳米纤维素与苯基三甲氧基硅烷,充分混合,制得整理剂;
S202:将氨纶芯丝置于整理剂中浸渍1~2h,取出静置晾干0.5~1h,再置于73~85℃下恒温烘干2~3h,得到氨纶包覆丝。
8.一种内衣面料,其特征在于,采用权利要求1~7中任一项所述的氨纶包覆丝编织而成。
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CN114834108A (zh) * | 2022-05-19 | 2022-08-02 | 东莞市科迪实业有限公司 | 一种复合无纺布及其制备方法 |
CN114834108B (zh) * | 2022-05-19 | 2024-03-29 | 东莞市科迪实业有限公司 | 一种复合无纺布及其制备方法 |
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