CN116653386B - 一种高弹性速干面料及其制备方法 - Google Patents

一种高弹性速干面料及其制备方法 Download PDF

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CN116653386B
CN116653386B CN202310481351.8A CN202310481351A CN116653386B CN 116653386 B CN116653386 B CN 116653386B CN 202310481351 A CN202310481351 A CN 202310481351A CN 116653386 B CN116653386 B CN 116653386B
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CN116653386A (zh
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李海燕
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Suzhou Xitieniu E Commerce Co ltd
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    • B32B5/02Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/024Woven fabric
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    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
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    • D01F1/00General methods for the manufacture of artificial filaments or the like
    • D01F1/02Addition of substances to the spinning solution or to the melt
    • D01F1/10Other agents for modifying properties
    • D01F1/103Agents inhibiting growth of microorganisms
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
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    • D01F6/00Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/88Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
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    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
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    • D03WEAVING
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    • D03D15/283Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
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    • D03D15/50Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
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    • D06M10/00Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
    • D06M10/02Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements ultrasonic or sonic; Corona discharge
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    • D06M13/10Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
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Abstract

本发明公开了一种高弹性速干面料及其制备方法,涉及面料技术领域。本发明先由N,N‑二乙基对苯二胺、2‑癸基环氧乙烷、二氧化碳、2‑氯‑4‑羟基苯甲醛、1,3‑丙二醇、对苯二甲酸反应制得防臭微球,通过抑菌、杀菌作用减少异味的产生,并利用多孔结构吸附异味,使面料达到防臭效果;然后由聚对苯二甲酸丙二醇酯依次经第一次纺丝、第二次纺丝、第三次纺丝处理制得由疏水层、抗菌防臭层、亲水层构成的具有梯度亲水性和梯度孔径的高弹性速干面料,使面料具有速干、防反渗效果。本发明制备的面料具有防臭、速干、防反渗效果。

Description

一种高弹性速干面料及其制备方法
技术领域
本发明涉及面料技术领域,具体为一种高弹性速干面料及其制备方法。
背景技术
人体在夏季的高温下极易产生汗液等体液,在这种温度和和湿度均适宜的环境下,若无法及时将水向外界传送,导致湿的衣物紧贴人的身体,给人以湿冷的感觉。因此产生了速干面料,速干面料的主要功能是快速排汗,它能将汗水迅速地转移到衣服的表面,并通过尽可能扩大面积来加快蒸发速度,从而达到速干的目的。然而,导液过程是双向的,当汗液量过大或者环境潮湿、下雨时,纤维材料外层的液体就会向内层进行反渗透,从而降低人体热湿舒适性。同时,在潮湿、温暖的环境下,多孔的面料极易附着和滋生细菌从而产生难闻的气味,会威胁人体健康和影响人际往来,故人们希望的服装在使用时可以减少体味的产生并减少体味的散发。
聚对苯二甲酸丙二醇酯是由对苯二甲酸和1,3-丙二醇缩聚而成,由其制备的纤维综合了尼龙的柔软性、腈纶的蓬松性、涤纶的抗污性,加上本身固有的弹性,以及能常温染色等特点,把各种纤维的优良服用性能集于一身,从而成为当前国际上最新开发的热门高分子新材料之一。本发明利用聚对苯二甲酸丙二醇酯制备具有速干、防反渗、防臭效果的高弹性面料以满足市场的需求。
发明内容
本发明的目的在于提供一种高弹性速干面料及其制备方法,以解决现有技术中存在的问题。
为了解决上述技术问题,本发明提供如下技术方案:
一种高弹性速干面料,所述高弹性速干面料由聚对苯二甲酸丙二醇酯依次经过第一次纺丝、第二次纺丝、第三次纺丝处理制得。
进一步的,所述第一次纺丝处理为:聚对苯二甲酸丙二醇酯熔融纺丝制得细度为300~400dtex的弹力丝后,经平纹编织,制得克重为130~150g/m2的疏水层。
进一步的,所述第二次纺丝处理为:以聚对苯二甲酸丙二醇酯、防臭微球为纺丝液,在等离子体处理辅助下,向疏水层熔喷纺丝,制得抗菌防臭层。
进一步的,所述第三次纺丝处理为:将聚对苯二甲酸丙二醇酯、纳米碳酸钙、N,N-二甲基甲酰胺配置成纺丝液,向抗菌防臭层静电纺丝,同时辅以等离子体和喷洒稀醋酸溶液,经洗涤、干燥,制得高弹性速干面料。
进一步的,所述防臭微球由N,N-二乙基对苯二胺、2-癸基环氧乙烷、二氧化碳、2-氯-4-羟基苯甲醛、1,3-丙二醇、对苯二甲酸反应制得。
进一步的,一种高弹性速干面料的制备方法,包括以下制备步骤:
(1)将季胺化合物、去离子水按质量比3:300~5:300混合,在300~500rpm、70℃下反应8~12h后,冷却至室温,以1.5~2.5mL/min滴加季胺化合物质量0.021~0.025倍的混合液,混合液中2-氯-4-羟基苯甲醛、氨水的质量比为6:1~7:1,在600~800rpm下反应2~4h后,升温至95~105℃,继续反应12~24h,40℃下干燥12h,得防臭微球;
(2)将聚对苯二甲酸丙二醇酯、防臭微球按质量比35:1~45:1混合,在50~70rpm、140~180℃下共混30~50min后,在240~260℃下向预处理疏水层熔喷纺丝,制得35~45μm厚的抗菌防臭层;
(3)将聚对苯二甲酸丙二醇酯、纳米碳酸钙、N,N-二甲基甲酰胺按质量比0.7:3.5:35~0.9:5.5:35混合,200~300rpm下搅拌12h后,制得纺丝液;在推送速率为0.001~0.005mm/s、电压为22~30kV、纺丝距离为5~9cm、功率为100~120W、频率为50kHz的氧等离子体下,向抗菌防臭层静电纺丝,同时喷洒N,N-二甲基甲酰胺质量2~3倍的质量分数为5.5%的醋酸溶液,得18~22μm厚的亲水层,用去离子水洗涤3次,50℃干燥2~3h,制得高弹性速干面料。
进一步的,步骤(1)中所述季胺化合物制备方法为:将2-氯-4-羟基苯甲醛、噁唑烷酮化合物、乙二醇、正丁醇按质量比5:4:10:10~7:6:20:10混合,在200~300rpm、110~150℃下反应2~4h后,加入0~5℃的去离子水至沉淀完全,过滤,依次用无水乙醇、去离子水洗涤3~5次,得季胺化合物。
进一步的,所述噁唑烷酮化合物制备方法为:将1-丁基-3-甲基咪唑乙酸盐、1-丁基-3-甲基咪唑溴盐、2-癸基环氧乙烷按质量比0.5:0.6:1.5~0.7:0.8:1.5混合,放入高压釜中,室温下充入二氧化碳至压力为2~3MPa后,在100~120℃下反应5~7h,冷却至室温,加入1-丁基-3-甲基咪唑乙酸盐质量3~5倍的N,N-二乙基对苯二胺,在氮气氛围、130~150℃下反应9h后,加入1-丁基-3-甲基咪唑乙酸盐质量100~120倍的氯仿,用去离子水洗涤氯仿相3~5次,在-0.08MPa、50~60℃下真空干燥12h,得噁唑烷酮化合物。
进一步的,步骤(2)中所述预处理疏水层制备方法为:在功率为100~120W、频率为50kHz、氩/氧混合气体氛围下,对疏水层一侧等离子体处理3~5s,得预处理疏水层,氩/氧混合气体中氩气、氧气的体积比为3:1。
进一步的,所述疏水层制备方法为:将聚对苯二甲酸丙二醇酯在真空度为0.084MPa、120~140℃下干燥12h后,在纺丝速度为2500~3100m/min、纺丝温度240~260℃下熔融纺丝,制得细度为300~400dtex的弹力丝,经平纹编织,制得克重为130~150g/m2的疏水层。
与现有技术相比,本发明所达到的有益效果是:
本发明由聚对苯二甲酸丙二醇酯依次经第一次纺丝、第二次纺丝、第三次纺丝处理制得高弹性速干面料,具有防臭、速干、防反渗效果。
首先,防臭微球由N,N-二乙基对苯二胺、2-癸基环氧乙烷、二氧化碳、2-氯-4-羟基苯甲醛、1,3-丙二醇、对苯二甲酸反应制得;N,N-二乙基对苯二胺中氨基与2-癸基环氧乙烷中环氧、二氧化碳反应生成噁唑烷酮化合物,利用噁唑烷酮结构的抑菌作用和2-癸基环氧乙烷中烷基长链的穿刺作用,减少因细菌滋生产生的异味,从而使面料具有防臭效果;噁唑烷酮化合物中叔胺基与2-氯-4-羟基苯甲醛中氯基反应形成季铵结构后自聚合,形成多孔防臭微球,利用季铵结构的抗菌性和多孔微球的异味吸附作用,进一步增强面料的防臭效果。
其次,本发明先进行第一次纺丝处理,利用聚对苯二甲酸丙二醇酯熔融纺丝制得疏水层后,进行第二次纺丝处理,制得抗菌防臭层,利用聚对苯二甲酸丙二醇酯、防臭微球向疏水层熔喷纺丝,并在等离子的辅助下,促进疏水层与抗菌防臭层的结合;接着进行第三次纺丝处理,制得亲水层,利用聚对苯二甲酸丙二醇酯、纳米碳酸钙向抗菌防臭层静电纺丝,并在纺丝过程中辅以等离子体和喷洒稀醋酸溶液,纳米碳酸钙遇到稀酸溶液分解,在纤维表面形成纳米粗糙结构,同时在等离子体作用下,纤维表面进一步刻蚀并引入羧基,亲水基团的增加、纤维表面的纳米粗糙结构和纤维堆砌构筑的微米粗糙结构协同作用,使亲水层具有超亲水性,与抗菌防臭层、疏水层构成具有梯度亲水性和梯度孔径的多层结构,形成渗透压差,使汗液通过梯度孔径快速从疏水面向亲水面传导扩散,从而使面料具有速干效果,此外,防臭微球的孔隙结构与季铵基团等亲水基团的存在,使得抗菌防臭层的亲水性介于疏水层和亲水层之间,亲水层中反渗的水会优先在抗菌防臭层中扩散,并在疏水层的拒水力作用下阻止水分的继续下渗,双重阻碍作用下,达到防反渗效果。
具体实施方式
下面将结合本发明实施例,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
为了更清楚的说明本发明提供的方法通过以下实施例进行详细说明,在以下实施例中制作的高弹性速干面料的各指标测试方法如下:
防臭效果:取相同质量的实施例和对比例按照GB/T15979测试抑菌率;取相同质量的实施例和对比例放置在已知浓度v0的被测气体(氨气、硫化氢)的容器中,密闭1.5小时后,用对应的气体检测管测定密闭容器中气体的浓度v1,按如下公式计算除臭率:
除臭率=[(v0-v1)/v0]×100%;
速干效果:取相同大小的实施例和对比例按照GB/T21655.1测试水分蒸发率;
防反渗效果:取相同大小的实施例和对比例按照AATCC195测试亲水层面、疏水层面的单向导湿指数;取相同大小的实施例和对比例水平放置,用上下表面用中空玻璃圆管夹紧,以20毫升每分钟的流速将水加载到面料一侧的圆管中,记录水开始穿透面料的压力,记为耐水压。
实施例1
(1)将1-丁基-3-甲基咪唑乙酸盐、1-丁基-3-甲基咪唑溴盐、2-癸基环氧乙烷按质量比0.5:0.6:1.5混合,放入高压釜中,室温下充入二氧化碳至压力为2MPa后,在100℃下反应5h,冷却至室温,加入1-丁基-3-甲基咪唑乙酸盐质量3倍的N,N-二乙基对苯二胺,在氮气氛围、130℃下反应9h后,加入1-丁基-3-甲基咪唑乙酸盐质量100倍的氯仿,用去离子水洗涤氯仿相3次,在-0.08MPa、50℃下真空干燥12h,得噁唑烷酮化合物;
(2)将2-氯-4-羟基苯甲醛、噁唑烷酮化合物、乙二醇、正丁醇按质量比5:4:10:10混合,在200rpm、110℃下反应2h后,加入0℃的去离子水至沉淀完全,过滤,依次用无水乙醇、去离子水洗涤3次,得季胺化合物;
(3)将季胺化合物、去离子水按质量比3:300混合,在300rpm、70℃下反应8h后,冷却至室温,以1.5mL/min滴加季胺化合物质量0.021倍的混合液,混合液中2-氯-4-羟基苯甲醛、氨水的质量比为6:1,在600rpm下反应2h后,升温至95℃,继续反应12h,40℃下干燥12h,得防臭微球;
(4)将聚对苯二甲酸丙二醇酯在真空度为0.084MPa、120℃下干燥12h后,在纺丝速度为2500m/min、纺丝温度240~260℃下熔融纺丝,制得细度为300dtex的弹力丝,经平纹编织,制得克重为130g/m2的疏水层;
(5)在功率为100W、频率为50kHz、氩/氧混合气体氛围下,对疏水层一侧等离子体处理3s,得预处理疏水层,氩/氧混合气体中氩气、氧气的体积比为3:1;将聚对苯二甲酸丙二醇酯、防臭微球按质量比35:1混合,在50rpm、140℃下共混30min后,在240~260℃下向预处理疏水层熔喷纺丝,制得35μm厚的抗菌防臭层;
(6)将聚对苯二甲酸丙二醇酯、纳米碳酸钙、N,N-二甲基甲酰胺按质量比0.7:3.5:35混合,200rpm下搅拌12h后,制得纺丝液;在推送速率为0.001mm/s、电压为22kV、纺丝距离为5cm、功率为100W、频率为50kHz的氧等离子体下,向抗菌防臭层静电纺丝,同时喷洒N,N-二甲基甲酰胺质量2倍的质量分数为5.5%的稀醋酸,得18μm厚的亲水层,用去离子水洗涤3次,50℃干燥2h,制得高弹性速干面料。
实施例2
(1)将1-丁基-3-甲基咪唑乙酸盐、1-丁基-3-甲基咪唑溴盐、2-癸基环氧乙烷按质量比0.6:0.7:1.5混合,放入高压釜中,室温下充入二氧化碳至压力为2.5MPa后,在110℃下反应6h,冷却至室温,加入1-丁基-3-甲基咪唑乙酸盐质量4倍的N,N-二乙基对苯二胺,在氮气氛围、140℃下反应9h后,加入1-丁基-3-甲基咪唑乙酸盐质量110倍的氯仿,用去离子水洗涤氯仿相4次,在-0.08MPa、55℃下真空干燥12h,得噁唑烷酮化合物;
(2)将2-氯-4-羟基苯甲醛、噁唑烷酮化合物、乙二醇、正丁醇按质量比6:5:15:10混合,在250rpm、130℃下反应3h后,加入3℃的去离子水至沉淀完全,过滤,依次用无水乙醇、去离子水洗涤4次,得季胺化合物;
(3)将季胺化合物、去离子水按质量比4:300混合,在400rpm、70℃下反应10h后,冷却至室温,以2mL/min滴加季胺化合物质量0.023倍的混合液,混合液中2-氯-4-羟基苯甲醛、氨水的质量比为6.5:1,在700rpm下反应3h后,升温至100℃,继续反应18h,40℃下干燥12h,得防臭微球;
(4)将聚对苯二甲酸丙二醇酯在真空度为0.084MPa、130℃下干燥12h后,在纺丝速度为2800m/min、纺丝温度240~260℃下熔融纺丝,制得细度为350dtex的弹力丝,经平纹编织,制得克重为140g/m2的疏水层;
(5)在功率为110W、频率为50kHz、氩/氧混合气体氛围下,对疏水层一侧等离子体处理4s,得预处理疏水层,氩/氧混合气体中氩气、氧气的体积比为3:1;将聚对苯二甲酸丙二醇酯、防臭微球按质量比40:1混合,在60rpm、160℃下共混40min后,在250℃下向预处理疏水层熔喷纺丝,制得40μm厚的抗菌防臭层;
(6)将聚对苯二甲酸丙二醇酯、纳米碳酸钙、N,N-二甲基甲酰胺按质量比0.8:4.5:35混合,250rpm下搅拌12h后,制得纺丝液;在推送速率为0.003mm/s、电压为26kV、纺丝距离为7cm、功率为110W、频率为50kHz的氧等离子体下,向抗菌防臭层静电纺丝,同时喷洒N,N-二甲基甲酰胺质量2.5倍的质量分数为5.5%的稀醋酸,得20μm厚的亲水层,用去离子水洗涤3次,50℃干燥2.5h,制得高弹性速干面料。
实施例3
(1)将1-丁基-3-甲基咪唑乙酸盐、1-丁基-3-甲基咪唑溴盐、2-癸基环氧乙烷按质量比0.7:0.8:1.5混合,放入高压釜中,室温下充入二氧化碳至压力为3MPa后,在120℃下反应7h,冷却至室温,加入1-丁基-3-甲基咪唑乙酸盐质量5倍的N,N-二乙基对苯二胺,在氮气氛围、150℃下反应9h后,加入1-丁基-3-甲基咪唑乙酸盐质量120倍的氯仿,用去离子水洗涤氯仿相5次,在-0.08MPa、60℃下真空干燥12h,得噁唑烷酮化合物;
(2)将2-氯-4-羟基苯甲醛、噁唑烷酮化合物、乙二醇、正丁醇按质量比7:6:20:10混合,在300rpm、150℃下反应4h后,加入5℃的去离子水至沉淀完全,过滤,依次用无水乙醇、去离子水洗涤5次,得季胺化合物;
(3)将季胺化合物、去离子水按质量比5:300混合,在500rpm、70℃下反应12h后,冷却至室温,以2.5mL/min滴加季胺化合物质量0.025倍的混合液,混合液中2-氯-4-羟基苯甲醛、氨水的质量比为7:1,在800rpm下反应4h后,升温至105℃,继续反应24h,40℃下干燥12h,得防臭微球;
(4)将聚对苯二甲酸丙二醇酯在真空度为0.084MPa、140℃下干燥12h后,在纺丝速度为3100m/min、纺丝温度240~260℃下熔融纺丝,制得细度为400dtex的弹力丝,经平纹编织,制得克重为150g/m2的疏水层;
(5)在功率为120W、频率为50kHz、氩/氧混合气体氛围下,对疏水层一侧等离子体处理5s,得预处理疏水层,氩/氧混合气体中氩气、氧气的体积比为3:1;将聚对苯二甲酸丙二醇酯、防臭微球按质量比45:1混合,在70rpm、180℃下共混50min后,在260℃下向预处理疏水层熔喷纺丝,制得45μm厚的抗菌防臭层;
(6)将聚对苯二甲酸丙二醇酯、纳米碳酸钙、N,N-二甲基甲酰胺按质量比0.9:5.5:35混合,300rpm下搅拌12h后,制得纺丝液;在推送速率为0.005mm/s、电压为30kV、纺丝距离为9cm、功率为120W、频率为50kHz的氧等离子体下,向抗菌防臭层静电纺丝,同时喷洒N,N-二甲基甲酰胺质量3倍的质量分数为5.5%的稀醋酸,得22μm厚的亲水层,用去离子水洗涤3次,50℃干燥2~3h,制得高弹性速干面料。
对比例1
对比例1与实施例2的区别在于无步骤(1),将步骤(2)改为:将2-氯-4-羟基苯甲醛、N,N-二乙基对苯二胺、乙二醇、正丁醇按质量比6:5:15:10混合,在250rpm、130℃下反应3h后,加入3℃的去离子水至沉淀完全,过滤,依次用无水乙醇、去离子水洗涤4次,得季胺化合物。其余步骤同实施例2。
对比例2
对比例2与实施例2的区别在于无步骤(2)、(3),将步骤(5)改为:在功率为120W、频率为50kHz、氩/氧混合气体氛围下,对疏水层一侧等离子体处理5s,得预处理疏水层,氩/氧混合气体中氩气、氧气的体积比为3:1;将聚对苯二甲酸丙二醇酯、噁唑烷酮化合物按质量比40:1混合,在60rpm、160℃下共混40min后,在250℃下向预处理疏水层熔喷纺丝,制得40μm厚的抗菌防臭层。其余步骤同实施例2。
对比例3
对比例3与实施例2的区别在于无步骤(1)至(3),将步骤(5)改为:在功率为110W、频率为50kHz、氩/氧混合气体氛围下,对疏水层一侧等离子体处理4s,得预处理疏水层,氩/氧混合气体中氩气、氧气的体积比为3:1;将聚对苯二甲酸丙二醇酯在60rpm、160℃下共混40min后,在240~260℃下向预处理疏水层熔喷纺丝,制得40μm厚的抗菌防臭层。其余步骤同实施例2。
对比例4
(1)将聚对苯二甲酸丙二醇酯在真空度为0.084MPa、130℃下干燥12h后,在纺丝速度为2800m/min、纺丝温度240~260℃下熔融纺丝,制得细度为350dtex的弹力丝,经平纹编织,制得克重为140g/m2的疏水层;
(2)将聚对苯二甲酸丙二醇酯、纳米碳酸钙、N,N-二甲基甲酰胺按质量比0.8:4.5:35混合,250rpm下搅拌12h后,制得纺丝液;在推送速率为0.003mm/s、电压为26kV、纺丝距离为7cm、功率为110W、频率为50kHz的氧等离子体下,向疏水层静电纺丝,同时喷洒N,N-二甲基甲酰胺质量2.5倍的质量分数为5.5%的稀醋酸,得20μm厚的亲水层,用去离子水洗涤3次,50℃干燥2.5h,制得高弹性速干面料。
对比例5
对比例5与实施例2的区别在于无步骤(6),将步骤(5)改为:在功率为110W、频率为50kHz、氩/氧混合气体氛围下,对疏水层一侧等离子体处理4s,得预处理疏水层,氩/氧混合气体中氩气、氧气的体积比为3:1;将聚对苯二甲酸丙二醇酯、防臭微球按质量比40:1混合,在60rpm、160℃下共混40min后,在240~260℃下向预处理疏水层熔喷纺丝,得40μm厚的抗菌防臭层,用去离子水洗涤3次,50℃干燥2~3h,制得高弹性速干面料。其余步骤同实施例2。
效果例
下表1给出了采用本发明实施例1至3与对比例1至5的高弹性速干面料的性能分析结果。
表1
从表1中实施例与对比例抑菌率、除臭率数据对比可发现,加入防臭微球后,面料的防臭效果显著增强,N,N-二乙基对苯二胺、2-癸基环氧乙烷、二氧化碳反应生成噁唑烷酮化合物,通过抑制和杀死细菌减少异味的产生,从而使面料具有防臭效果,噁唑烷酮化合物与2-氯-4-羟基苯甲醛的进一步反应,形成了带有季铵结构的多孔微球,进一步提升面料的抑菌和杀菌效果的同时,多孔结构的异味吸附作用可减少异味的外溢,增益防臭效果;从表1中实施例与对比例水分蒸发速率、水单向导湿指数、耐水压数据对比可发现,由聚对苯二甲酸丙二醇酯依次经第一次纺丝、第二次纺丝、第三次纺丝处理制得高弹性速干面料具有良好的防反渗效果,以聚对苯二甲酸丙二醇酯熔融纺丝构筑疏水层,利用聚对苯二甲酸丙二醇酯、纳米碳酸钙静电纺丝,并在纺丝过程中辅以等离子体和喷洒稀醋酸溶液,构筑了具有超亲水性的亲水层,使得面料产生了渗透压差,使汗液通过梯度孔径快速从疏水面向亲水面传导、扩散,从而使面料具有速干效果,在疏水层和亲水层中间,引入以聚对苯二甲酸丙二醇酯、防臭微球微球制得的抗菌防臭层,利用防臭微球的多孔结构和亲水基团,使得抗菌防臭层的亲水性介于疏水层和亲水层之间,亲水层中反渗的水会优先在抗菌层中扩散,并在疏水层的拒水力作用下阻止水分的继续下渗,双重阻碍作用下,达到防反渗效果。
对于本领域技术人员而言,显然本发明不限于上述示范性实施例的细节,而且在不背离本发明的精神或基本特征的情况下,能够以其他的具体形式实现本发明。因此,无论从哪一点来看,均应将实施例看作是示范性的,而且是非限制性的,本发明的范围由所附权利要求而不是上述说明限定,因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。不应将权利要求中的任何标记视为限制所涉及的权利要求。

Claims (1)

1.一种高弹性速干面料的制备方法,其特征在于,包括以下制备步骤:
(1)将2-氯-4-羟基苯甲醛、噁唑烷酮化合物、乙二醇、正丁醇按质量比为5:4:10:10或6:5:15:10或7:6:20:10混合,在200~300rpm、110~150℃下反应2~4h后,加入0~5℃的去离子水至沉淀完全,过滤,依次用无水乙醇、去离子水洗涤3~5次,得季胺化合物;将季胺化合物、去离子水按质量比3:300~5:300混合,在300~500rpm、70℃下反应8~12h后,冷却至室温,以1.5~2.5mL/min滴加季胺化合物质量0.021~0.025倍的混合液,混合液中2-氯-4-羟基苯甲醛、氨水的质量比为6:1~7:1,在600~800rpm下反应2~4h后,升温至95~105℃,继续反应12~24h,40℃下干燥12h,得防臭微球;
所述噁唑烷酮化合物制备方法为:将1-丁基-3-甲基咪唑乙酸盐、1-丁基-3-甲基咪唑溴盐、2-癸基环氧乙烷按质量比0.5:0.6:1.5或0.6:0.7:1.5或0.7:0.8:1.5混合,放入高压釜中,室温下充入二氧化碳至压力为2~3MPa后,在100~120℃下反应5~7h,冷却至室温,加入1-丁基-3-甲基咪唑乙酸盐质量3~5倍的N,N-二乙基对苯二胺,在氮气氛围、130~150℃下反应9h后,加入1-丁基-3-甲基咪唑乙酸盐质量100~120倍的氯仿,用去离子水洗涤氯仿相3~5次,在-0.08MPa、50~60℃下真空干燥12h,得噁唑烷酮化合物;
(2)将聚对苯二甲酸丙二醇酯在真空度为0.084MPa、120~140℃下干燥12h后,在纺丝速度为2500~3100m/min、纺丝温度240~260℃下熔融纺丝,制得细度为300~400dtex的弹力丝,经平纹编织,制得克重为130~150g/m2的疏水层;在功率为100~120W、频率为50kHz、氩/氧混合气体氛围下,对疏水层一侧等离子体处理3~5s,得预处理疏水层,氩/氧混合气体中氩气、氧气的体积比为3:1;将聚对苯二甲酸丙二醇酯、防臭微球按质量比35:1~45:1混合,在50~70rpm、140~180℃下共混30~50min后,在240~260℃下向预处理疏水层熔喷纺丝,制得35~45μm厚的抗菌防臭层;
(3)将聚对苯二甲酸丙二醇酯、纳米碳酸钙、N,N-二甲基甲酰胺按质量比0.7:3.5:35或0.8:4.5:35或0.9:5.5:35混合,200~300rpm下搅拌12h后,制得纺丝液;在推送速率为0.001~0.005mm/s、电压为22~30kV、纺丝距离为5~9cm、功率为100~120W、频率为50kHz的氧等离子体下,向抗菌防臭层静电纺丝,同时喷洒N,N-二甲基甲酰胺质量2~3倍的质量分数为5.5%的稀醋酸,得18~22μm厚的亲水层,用去离子水洗涤3次,50℃干燥2~3h,制得高弹性速干面料。
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