CN107419423B - 一种Coolplus吸湿排汗保暖型拉舍尔毛毯 - Google Patents
一种Coolplus吸湿排汗保暖型拉舍尔毛毯 Download PDFInfo
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- JVTAAEKCZFNVCJ-UWTATZPHSA-N D-lactic acid Chemical compound C[C@@H](O)C(O)=O JVTAAEKCZFNVCJ-UWTATZPHSA-N 0.000 claims description 5
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- 229910052700 potassium Inorganic materials 0.000 claims 1
- 239000011591 potassium Substances 0.000 claims 1
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- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims 1
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- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
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- D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
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Abstract
本发明公开了一种Coolplus吸湿排汗保暖型拉舍尔毛毯,所述Coolplus吸湿排汗保暖型拉舍尔毛毯是以Coolplus纤维和腈纶纤维混纺纱为绒纱,以涤纶丝作为底丝在双针床拉舍尔经编机上织造而成。本发明采用采用十字形、人字形或米字形的纺丝组件获得异形截面的涤纶纤维,并对涤纶纤维进行空气等离子体、碱减量工艺处理,在涤纶纤维表面形成了有规则的细微沟槽和细微空洞,这些沟槽和空洞产生了显著的毛细效应,可使人体所排出的水汽与汗液芯吸扩散、传输等作用,排出体外,从而使肌肤保持干爽;有规则的细微沟槽和细微空洞储存了非流动性的静止空气,静止空气的存在明显提高拉舍尔毛毯的保暖性能。
Description
技术领域
本发明属于纺织技术领域,尤其是涉及一种Coolplus吸湿排汗保暖型拉舍尔毛毯。
背景技术
近年来,在国内的纺织品市场上对热湿舒适性能好的纺织品需求呼声逐渐高涨,消费者强烈要求具有舒适性的纺织品。中国俗称“的确良”涤纶的用途很广,大量用于制造衣着面料和工业制品,包括在拉舍尔毛毯上的应用。拉舍尔是毛毯中质量最好的,保暖效果极佳,通过拉舍尔经编机织造所得到的毛毯。以涤纶纤维为绒纱的拉舍尔毛毯虽手感滑爽、手感丰满、柔软不失挺括且制造成本较低等特点,但其缺点也十分明显,包括闷热感、易带静电、易沾污灰尘等问题。
发明内容
为克服涤纶纤维拉舍尔毛毯的闷热感、易带静电、易沾污灰尘的问题,本发明提供了一种Coolplus吸湿排汗保暖型拉舍尔毛毯。
本发明是通过以下技术实现的:
一种Coolplus吸湿排汗保暖型拉舍尔毛毯,所述Coolplus吸湿排汗保暖型拉舍尔毛毯是以Coolplus纤维和腈纶纤维混纺纱为绒纱,以涤纶丝作为底丝在双针床拉舍尔经编机上织造而成,所述绒纱按重量百分比计其纤维组成为:Coolplus纤维 75%~80%,腈纶纤维 20%~25%,所述Coolplus纤维由涤纶纤维切片、聚乳酸纤维切片以及水溶性聚酯切片以质量比98:0.5~1.5:0.5~1.5共混、熔融纺丝制备,并经空气等离子体处理、混合碱溶液处理后水洗至中性、烘干得到。
Coolplus纤维是一种由台湾公司所开发的新型涤纶纤维,其成份中除了涤纶外,还具有一种具有严格技术保密的特殊聚合物,不为市场所知,其价格十分昂贵,因成本考虑难以普及化应用。签于此,在本发明中,发明人经大量的研究,最终确定了以由涤纶纤维切片、聚乳酸纤维切片以及水溶性聚酯切片以质量比98:0.5~1.5:0.5~1.5共混、熔融纺丝制备,并经空气等离子体处理、混合碱溶液处理后水洗至中性、烘干得到。在熔融纺丝工艺过程中,发明人不仅采用目前市场上的十字形的喷丝孔纺丝组件,更采用了米字形和人字形的喷丝孔纺丝组件。从吸湿导湿测试效果来看,在相同的组份条件下,制备得米字形截面的Coolplus纤维更利于吸湿,而人字形截面的Coolplus纤维更利于导湿。
本发明中,发明人创造性地使用涤纶纤维切片、聚乳酸纤维切片以及水溶性聚酯切片以一定的比例混合并制备得Coolplus纤维。从结构上来看,聚乳酸、水溶性聚酯富含亲水性基因,具有良好的吸湿性能,再加上空气等离子体处理、混合碱溶液处理,所制备的Coolplus纤维,其吸湿导湿能力远高于传统的涤纶纤维,也优于市场上的Coolplus纤维,成本更低,这些因素均有利于该纤维的普及化应用,给使用者带来新的体验。
涤纶纤维及其织物之所以对使用者具有闷热感的原因在于使用者自然释放的水分子及汗液难以得到有效释放。涤纶纤维从结构上来看缺少亲水性基团,极易达到吸湿平衡,共公定回潮率仅为0.4%。
碱减量涤纶纤维及其制品进行整理的一种常规工艺,达到涤纶仿真丝的手感、光泽、服用性能等各项指标要求。涤纶纤维的碱减量处理是一个复杂反应过程,主要为涤纶纤维高分子和NaOH间的多相水解反应。在NaOH水溶液中涤纶纤维表面大分子链的酯键水解断裂,不断形成不同聚合度的水解产物,最终形成水溶性基团。水溶性基团的获得将有助于提高涤纶纤维及其制品的吸湿性能。与此同时,涤纶纤维碱减量作用点也存在着位置的不确定性,在同样的时间里,涤纶的不同位置会发现碱减量程度不一,对于碱减量程度较高的位置而言,极易使之成为涤纶纤维的“弱节”,影响其机械性能并最终影响到涤纶纤维及其制品的使用性能。
在本发明中,发明人对涤纶纤维的结构与性能进行了设计,采用十字形、人字形或米字形的纺丝组件获得异形截面的涤纶纤维,并对涤纶纤维进行空气等离子体处理。空气等离子体对涤纶纤维的作用,不仅表现在表面的刻蚀,也会在涤纶纤维的表面引入羟基、氨基等亲水性基团。空气等离子体刻蚀作用的均匀性较好,在涤纶纤维的表面形成均匀的“凹坑”点。“凹坑”点作为涤纶纤维的进一步碱减量定位点,使涤纶纤维的碱减量更为有规律和易控制。此外,因空气等离子体的作用在涤纶纤维表面引入的羟基及、氨基等亲水性基团更有利于碱减量碱性液的润湿与处理。
传统上用于涤纶纤维碱减量的碱液为氢氧化钠溶液或氢氧化钾溶液,这两种溶液的碱性较强,对涤纶纤维中结构较疏松位置上反应性较强,使其过度降解,这不利于涤纶纤维的性能保持。在本发明中,发明人所制备的涤纶纤维中含有一定量的聚乳酸和水溶性聚酯的成份,在赋予涤纶纤维一定的吸湿性能的同时,也产生了更多的“弱环”,强碱溶液的碱减量处理更不利于该纤维性能的保持。发明人根据空气等离子体刻蚀后涤纶纤维的结构特点以及自身成份的特殊性,经多次实验筛选得碱性稍弱的混合碱作为碱减量的处理液,可取得较为理想的碱减量效果。
经空气等离子体、碱性溶液处理后水洗至中性并烘干得到了截面为十字形、人字形或米字形的涤纶纤维表面形成了有规则的细微沟槽和细微空洞,这些沟槽和空洞产生了显著的毛细效应。毛细效应的存在可使人体所排出的水汽与汗液芯吸扩散、传输等作用,排出体外,从而使肌肤保持干爽。
另外,在人体无水汽与汗液排放时,规则的细微沟槽和细微空洞储存了非流动性的静止空气,静止空气的存在亦大幅度提高拉舍尔毛毯的保暖性能。
优选地,所述Coolplus纤维的纤度为1~1.5D,所述Coolplus纤维的截面为十字形、米字形或人字形。
优选地,空气等离子体的功率为1000~2000W,处理时间为5~15s。
优选地,所述混合碱溶液为氢氧化钠和氢氧化钾中的一种与碳酸氢钠、碳酸钠、磷酸钠和碳酸钾中的一种以相同质量进行混合,加入渗透剂并溶于水得到。
优选地,所述混合碱溶液中渗透剂的质量浓度为0.1~0.5g/L。
优选地,所述渗透剂为烷基磺酸钠、烷基苯磺酸钠、烷基硫酸酯钠、仲烷基磺酸钠、仲烷基硫酸酯钠、烷基萘磺酸钠和琥珀酸烷基酯磺酸钠中的一种或组合物。
渗透剂是两性化合物,既有亲水性也有疏水性。在本发明中,发明所选择的渗透剂为碱性渗透剂,不但有利于Coolplus纤维快速在碱性溶液中润湿,也不会影响混合碱溶液对Coolplus纤维的碱减量处理。
优选地,所述混合碱溶液的质量浓度为6~12g/L
优选地,混合碱溶液处理的温度为90~95℃,时间为15~25min。
优选地,所述聚乳酸纤维切片为聚L-乳酸纤维切片与聚D-乳酸纤维切片以质量比1:0.1~0.3混合得到。
本发明的有益效果在于:
1)使用涤纶纤维切片、聚乳酸纤维切片以及水溶性聚酯切片以一定的比例混合并制备得Coolplus纤维,吸湿导湿能力远高于传统的涤纶纤维,此外,原料组成较简单,成本较低,利于该纤维的普及化应用;
2)采用十字形、人字形或米字形的纺丝组件获得异形截面的涤纶纤维,并对涤纶纤维进行空气等离子体、碱减量工艺处理,在涤纶纤维表面形成了有规则的细微沟槽和细微空洞,这些沟槽和空洞产生了显著的毛细效应,可使人体所排出的水汽与汗液通过芯吸扩散、传输等作用下,排出体外,从而使肌肤保持干爽;
3)有规则的细微沟槽和细微空洞储存了非流动性的静止空气,静止空气的存在大幅度提高拉舍尔毛毯的保暖性能;
4)根据空气等离子体刻蚀后涤纶纤维的结构特点以及自身成份的特殊性,使用混合碱作为碱减量的处理液,可取得较为理想的碱减量效果并获得良好的吸湿导湿性能。
具体实施方式
下面对本发明作进一步的说明。
实施例1
本实施例所制得的一种Coolplus吸湿排汗保暖型拉舍尔毛毯,该拉舍尔毛毯是以Coolplus纤维和腈纶纤维混纺纱为绒纱,以涤纶丝作为底丝在双针床拉舍尔经编机上织造而成,包括以下重量百分比纤维:底丝:涤纶丝100%;绒纱:Coolplus纤维75%,腈纶纤维25%。
Coolplus纤维包括如下制备步骤:以质量比98:0.5:1.5混合涤纶纤维切片、聚乳酸纤维切片以及水溶性聚酯切片,以熔融纺丝制备涤纶纤维,十字形的纺丝组件获得截面为十字形的涤纶纤维,将截面为十字形的涤纶纤维经功率为1000W空气等离子体处理15s后,浸入95℃混合碱溶液处理15min,取出以水洗至中性并烘干得到。其中,聚乳酸纤维切片为聚L-乳酸纤维切片与聚D-乳酸纤维切片以质量比1:0.1混合得到。
其中,混合碱溶液的质量浓度为6g/L,混合碱溶液含有渗透剂,渗透剂的质量浓度为0.1g/L,混合碱溶液中氢氧化钠的浓度为3g/L,碳酸氢钠的浓度也为3g/L;渗透剂为烷基磺酸钠型渗透剂。
根据GB/T 6503-2008《化学纤维 回潮率试验方法》标准对本实施例所制备的Coolplus吸湿排汗保暖型拉舍尔毛毯进行测试,测得拉舍尔毛毯的回潮率为4.3%,该回潮率远高于普通涤纶纤维公定回潮率的0.4%和普通腈纶纤维公定回潮率的2.0%,说明本实施例所制备的Coolplus吸湿排汗保暖型拉舍尔毛毯具有良好的吸湿性能。
实施例2
本实施例所制得的一种Coolplus吸湿排汗保暖型拉舍尔毛毯,该拉舍尔毛毯是以Coolplus纤维和腈纶纤维混纺纱为绒纱,以涤纶丝作为底丝在双针床拉舍尔经编机上织造而成,包括以下重量百分比纤维:底丝:涤纶丝100%;绒纱:Coolplus纤维80%,腈纶纤维20%。
Coolplus纤维包括如下制备步骤:以质量比98:1.5:0.5混合涤纶纤维切片、聚乳酸纤维切片以及水溶性聚酯切片(市售),以熔融纺丝制备涤纶纤维,人字型的纺丝组件获得截面为人字型的涤纶纤维,将截面为人字形的涤纶纤维经功率为2000W空气等离子体处理5s后,浸入90℃混合碱溶液处理25min,取出以水洗至中性并烘干得到。
其中,聚乳酸纤维切片为聚L-乳酸纤维切片与聚D-乳酸纤维切片以质量比1:0.3混合得到;混合碱溶液的质量浓度为12g/L,混合碱溶液含有渗透剂,渗透剂的质量浓度为0.5g/L,混合碱溶液中氢氧化钠的浓度为6g/L,碳酸氢钠的浓度也为6g/L;渗透剂为烷基苯磺酸钠型渗透剂。
根据GB/T 6503-2008《化学纤维 回潮率试验方法》标准对本实施例所制备的Coolplus吸湿排汗保暖型拉舍尔毛毯进行测试,测得拉舍尔毛毯的回潮率为3.9%,该回潮率远高于普通涤纶纤维公定回潮率的0.4%和普通腈纶纤维公定回潮率的2.0%,说明本实施例所制备的Coolplus吸湿排汗保暖型拉舍尔毛毯具有良好的吸湿性能。
实施例3
本实施例所制得的一种Coolplus吸湿排汗保暖型拉舍尔毛毯,该拉舍尔毛毯是以Coolplus纤维和腈纶纤维混纺纱为绒纱,以涤纶丝作为底丝在双针床拉舍尔经编机上织造而成,包括以下重量百分比纤维:底丝:涤纶丝100%;绒纱:Coolplus纤维78%,腈纶纤维22%。
Coolplus纤维包括如下制备步骤:以质量比98:1.0:1.0混合涤纶纤维切片、聚乳酸纤维切片以及水溶性聚酯切片,以熔融纺丝制备涤纶纤维,米字形的纺丝组件获得截面为米字型的涤纶纤维,将截面为米字形的涤纶纤维经功率为1500W空气等离子体处理10s后,浸入92℃混合碱溶液处理20min,取出以水洗至中性并烘干得到。
其中,聚乳酸纤维切片为聚L-乳酸纤维切片与聚D-乳酸纤维切片以质量比1:0.2混合得到;混合碱溶液的质量浓度为9g/L,混合碱溶液含有渗透剂,渗透剂的质量浓度为0.3g/L,混合碱溶液中氢氧化钠的浓度为4.5g/L,碳酸氢钠的浓度也为4.5g/L;渗透剂为烷基硫酸酯钠型渗透剂。
根据GB/T 6503-2008《化学纤维 回潮率试验方法》标准对本实施例所制备的Coolplus吸湿排汗保暖型拉舍尔毛毯进行测试,测得拉舍尔毛毯的回潮率为4.5%,该回潮率远高于普通涤纶纤维公定回潮率的0.4%和普通腈纶纤维公定回潮率的2.0%,说明本实施例所制备的Coolplus吸湿排汗保暖型拉舍尔毛毯具有良好的吸湿性能。
Claims (3)
1.一种Coolplus吸湿排汗保暖型拉舍尔毛毯,其特征是,所述Coolplus吸湿排汗保暖型拉舍尔毛毯是以Coolplus纤维和腈纶纤维混纺纱为绒纱,以涤纶丝作为底丝在双针床拉舍尔经编机上织造而成,所述绒纱按重量百分比计其纤维组成为:Coolplus纤维 75%~80%,腈纶纤维 20%~25%;所述Coolplus纤维由涤纶纤维切片、聚乳酸纤维切片以及水溶性聚酯切片以质量比98:0.5~1.5:0.5~1.5共混、熔融纺丝制备,并经空气等离子体处理、混合碱溶液处理后水洗至中性、烘干得到;
空气等离子体的功率为1000~2000W,处理时间为5~15s;
所述混合碱溶液为氢氧化钠和氢氧化钾中的一种与碳酸氢钠、碳酸钠、磷酸钠和碳酸钾中的一种以相同质量进行混合,加入渗透剂并溶于水得到;
所述混合碱溶液的质量浓度为6~12g/L;
混合碱溶液处理的温度为90~95℃,时间为15~25min;
所述混合碱溶液中渗透剂的质量浓度为0.1~0.5g/L;所述渗透剂为烷基磺酸钠、烷基苯磺酸钠、烷基硫酸酯钠、仲烷基磺酸钠、仲烷基硫酸酯钠、烷基萘磺酸钠和琥珀酸烷基酯磺酸钠中的一种或几种。
2.根据权利要求1所述的一种Coolplus吸湿排汗保暖型拉舍尔毛毯,其特征是,所述Coolplus纤维的纤度为1~1.5D,所述Coolplus纤维的截面为十字形、米字形或人字形。
3.根据权利要求1所述的一种Coolplus吸湿排汗保暖型拉舍尔毛毯,其特征是,所述聚乳酸纤维切片为聚L-乳酸纤维切片与聚D-乳酸纤维切片以质量比1:0.1~0.3混合得到。
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