CN116556060A - 一种高弹冰感面料及其在防晒上的应用 - Google Patents

一种高弹冰感面料及其在防晒上的应用 Download PDF

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CN116556060A
CN116556060A CN202310827104.9A CN202310827104A CN116556060A CN 116556060 A CN116556060 A CN 116556060A CN 202310827104 A CN202310827104 A CN 202310827104A CN 116556060 A CN116556060 A CN 116556060A
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fiber
ice
solution
polyethylene
silk
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CN116556060B (zh
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冯玲玲
曲仲媛
孙舒雅
史民强
代丽娟
陈佳
张明星
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Guangdong BiemLFdlkk Golf Garment Co ltd
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Abstract

本发明公开一种高弹冰感面料及其在防晒上的应用,属于功能性面料制备技术领域,所述高弹冰感面料由纱线织造得到,所述纱线包括冰感聚乙烯纱线,所述冰感聚乙烯纱线以聚乙烯异形纤维为基体,再以分散有1‑乙基‑3‑甲基咪唑鎓乙酸盐的共聚水凝胶材料进行表面改性,纺织成纱后再在表面生成一层具有微纳结构的聚偏二氟乙烯‑六氟丙烯薄膜制得,本发明所述面料具有良好的红外透过率,可以促进人体的辐射散热,具有良好的冰感效果,同时兼具有良好的服用性。

Description

一种高弹冰感面料及其在防晒上的应用
技术领域
本发明涉及功能性面料制备技术领域,具体涉及一种高弹冰感面料及其在防晒上的应用。
背景技术
随着科学技术不断地进步和生活水平不断提高,人们对服装的性能也有了新的需求。从以前讲究庇体保暖到后来讲究时尚,发展到今天人们开始关注起织物的功能性、环保性。在当今“温室效应”的大背景下,人们对凉感舒适的服装提出了需求,具有优良凉感性能的产品受到了人们的青睐。
针织产品由于其优异的舒适性和美观感,长期以来备受广大消费者的喜爱。在针织面料功能性的开发应用上,由于合成纤维原材料丰富、种类多和服用性能好等诸多优点,并与针织面料的优势结合,使其具有较好的服用性能及市场潜力。合成纤维中使用面最广的就是涤纶纤维,因为其具有强度高、耐磨性好、结实耐用和回潮率低等优点。近年来,人们开始重视涤纶纤维在凉感改性方面的研究。凉感涤纶长丝采用纳米技术,选取天然优质玉石粉、云母等矿石原料,通过将其加工成纳米级微粒,并使用亲水性切片与其一起纺丝加工而成。凉感涤纶纤维的截面形状大致呈不规则扁平状,有利于增强纤维的“毛细管吸水效应”,提高纤维的散热速率。以矿物原料作为添加剂的纤维和面料虽具有良好的纤维的散热速率,但内嵌填料式的纤维改性方法降低了纤维本身的力学性能,弹性较差,同时还增大了密度,增加面料克重,降低了面料的服用轻便性和舒适性。
发明内容
针对上述问题,本发明提供一种高弹冰感面料及其在防晒上的应用。
本发明的目的采用以下技术方案来实现:
一种高弹冰感面料,由纱线织造得到,所述纱线包括冰感聚乙烯纱线,所述冰感聚乙烯纱线的制备方法包括以下步骤:
(1)异形纤维制备
将PE切片进行干燥,控制切片含水率在0.03%以下,入螺杆挤出机中熔融,通过计量泵控制熔融物的出料量,经异形喷丝板喷丝,制得异形聚乙烯纤维;
(2)纤维改性
分别称取丙烯酸单体、2-丙烯酰胺-2-甲基丙磺酸单体和N,N-亚甲基双丙烯酰胺并溶解在去离子水中,充分搅拌混合后,加入功能单体和氧化还原引发剂,再次搅拌混合后得到聚合溶液,将所述聚合溶液密封并在室温下搅拌反应12-24h,反应完成后加入戊二醛,混合后制得第一整理溶液,将所述异形聚乙烯纤维浸入所述第一整理溶液中,取出后烘焙干燥制得改性纤维;
其中,所述丙烯酸单体、2-丙烯酰胺-2-甲基丙磺酸单体和N,N-亚甲基双丙烯酰胺在所述聚合溶液中的溶解浓度分别为4.6-5wt%、6.8-7wt%、0.3-0.4wt%;所述功能单体为1-乙基-3-甲基咪唑鎓乙酸盐,所述功能单体在所述第一整理溶液中的溶解浓度为3-4wt%;所述氧化还原引发剂为质量比例1:1的过硫酸钾和亚硫酸氢钠,所述戊二醛在所述第一整理溶液中的溶解浓度为2.5-3.8wt%;
(3)纱线改性
称取聚(偏二氟乙烯-co-六氟丙烯)并加入到丙酮中溶解,得到第二整理溶液,将包括有所述改性纤维的混纺纱线依次浸入所述第二整理溶液和去离子水中,真空干燥后制得所述冰感聚乙烯纱线。
一般材料中有较多基团的吸收如N-H、C-O等,其红外光的透过率很低,然而PE(聚乙烯)的红外吸收峰很窄,并且与人体辐射出的射线吸收峰相隔很远,其对红外光的吸收较弱,因此能确保较大的红外透过率,适合作为红外辐射散热织物材料,但其吸湿透气性较差,本发明通过凝胶改性纤维提高了纤维的服用性。
在一些优选的实施方式中,所述异形聚乙烯纤维的细度在40-200D。
在一些优选的实施方式中,所述PE切片的结晶度大于85%,密度在0.95-0.96g/cm3,熔融温度124-138℃。
在一些优选的实施方式中,所述异形喷丝板具有十字形或Y字形或W形或T字形异形截面。
在一些优选的实施方式中,所述第二整理溶液中所述聚(偏二氟乙烯-co-六氟丙烯)的溶解浓度在14-20wt%。
在一些优选的实施方式中,所述混纺纱线还包括有抗紫外蚕丝纤维,所述抗紫外蚕丝纤维的制备方法包括以下步骤:
S1、前处理
将蚕丝经脱胶处理后加入氯化钙溶液中溶胀,然后将溶胀的蚕丝经揉搓和梳理得到细纤维化的蚕丝纤维;
S2、耦合反应
将纳米氧化铝超声分散在过氧化氢溶液中,搅拌过夜后离心分离,去离子水离心洗涤后再次分散在乙醇水溶液中,加入聚乙二醇和四丁基钛酸酯,充分搅拌混合后,得到第三整理溶液,将所述细纤维化的蚕丝纤维浸入所述第三整理液中,在30-50℃下保温振荡0.5-1h,取出纤维并以去离子水洗涤,真空干燥制得所述抗紫外蚕丝纤维;
其中,所述第三整理溶液中纳米氧化铝的分散浓度在0.5-1.2wt%,所述聚乙二醇的溶解浓度在0.1-1wt%,所述四丁基钛酸酯的溶解浓度在0.8-1.8wt%。
在一些优选的实施方式中,所述混纺纱线中所述改性纤维与所述抗紫外蚕丝纤维的质量比例为(1.8-4):1。
在一些优选的实施方式中,所述氯化钙溶液的浓度为2-5wt%,溶胀温度为70-80℃,溶胀时间为5-20min。
在一些优选的实施方式中,所述细纤维化的蚕丝纤维的原纤化程度为20-35%。
本发明的另一方面在于提供一种所述高弹冰感面料的应用方法,具体是用作防晒用品的应用。
本发明的有益效果为:
针对现有的凉感面料难以兼具轻便舒适的问题,本发明以具有红外辐射散热性能的聚乙烯纤维为织物材料,在不外加添加剂的前体下提高了织物的散热性能,为提高面料的服用性,本发明通过设置为异形纤维提高纤维的比表面积,同时利用毛细管效应进行亲水吸湿改性提高纤维的吸湿透气性,具体的,本发明通过将具有吸湿性的离子液体1-乙基-3-甲基咪唑鎓乙酸盐分散在亲水性的聚(丙烯酸-co-2-丙烯酰胺-2-甲基丙磺酸)网络中,制得具有强吸湿性和粘附性的离子凝胶并对所述异形纤维进行表面改性,进而提高其吸湿性、亲肤性等服用性能,更进一步的,本发明还通过纱线表面修饰提高面料对太阳光的反/散射,进一步提升面料冰感,具体的,由于偏二氟乙烯-六氟丙烯共聚物和空气的折射率相差甚大,可以有效地散射阳光,包括紫外光、可见光和近红外光成分,从而实现高反射率,本发明基于该原理,通过溶液相转化法在纱线表面形成具有微纳结构的聚偏二氟乙烯-六氟丙烯薄膜,提高面料对太阳光的反/散射;更进一步的,本发明以具有高弹、柔性的天然蚕丝纤维作为复合混纺纤维以提高织物弹性,为降低天然蚕丝在紫外线波长区域的强烈吸收而对面料的遮阳和冰感效果的阻止作用,本发明以纳米氧化铝为改性剂,以四丁基钛酸酯为耦合剂对蚕丝纤维进行改性处理,其中,四丁基钛酸酯可以与氧化铝表面的羟基形成氢键,而且可以减少氧化铝颗粒的聚集,促进氧化铝纳米颗粒通过耦合反应与蚕丝纤维的耦合,同时,四丁基钛酸酯还可以与蚕丝的氨基酸形成强的共价键,四丁基钛酸酯水解形成的氧化钛进一步降低天然蚕丝在紫外线波长区域的吸收。
具体实施方式
结合以下实施例对本发明作进一步描述。
实施例1
一种高弹冰感面料,由纱线织造得到,所述纱线为冰感聚乙烯纱线,所述冰感聚乙烯纱线的制备方法包括以下步骤:
(1)异形纤维制备
将PE切片进行干燥,控制切片含水率在0.03%以下,入螺杆挤出机中熔融,通过计量泵控制熔融物的出料量,经具有Y形截面喷丝板喷丝,制得异形聚乙烯纤维,所述异形聚乙烯纤维的细度在100D;
所述PE切片为高密度聚乙烯,其结晶度85%,密度在0.95g/cm3,熔融温度128℃;
(2)纤维改性
称取丙烯酸单体、2-丙烯酰胺-2-甲基丙磺酸单体及N,N-亚甲基双丙烯酰胺溶解在去离子水中,其中,所述丙烯酸单体和所述2-丙烯酰胺-2-甲基丙磺酸单体、所述N,N-亚甲基双丙烯酰胺的质量浓度分别为4.8wt%、6.9wt%、0.3wt%,充分搅拌混合后加入终浓度为3.2wt%的1-乙基-3-甲基咪唑鎓乙酸盐、终浓度为0.2wt%的氧化还原引发剂,所述氧化还原引发剂为质量比例1:1的过硫酸钾和亚硫酸氢钠,混合搅拌30min后密封在室温下搅拌反应18h,反应完成后加入3wt%的戊二醛做交联剂,混合后制得第一整理溶液,将所述异形聚乙烯纤维浸入所述第一整理溶液中,取出后60℃烘焙干燥制得改性纤维;
(3)纱线改性
称取聚(偏二氟乙烯-co-六氟丙烯)(CAS号:9011-17-0,下同)并加入到丙酮中溶解,得到浓度为在16.4wt%的第二整理溶液,将所述改性纤维与蚕丝纤维按3.2:1的质量比混纺成纱,将混纺得到的纱线依次浸入所述第二整理溶液和去离子水中,真空干燥后制得所述冰感聚乙烯纱线。
实施例2
一种高弹冰感面料,由纱线织造得到,所述纱线为冰感聚乙烯纱线,所述冰感聚乙烯纱线的制备方法包括以下步骤:
(1)异形纤维制备
将PE切片进行干燥,控制切片含水率在0.03%以下,入螺杆挤出机中熔融,通过计量泵控制熔融物的出料量,经具有Y形截面喷丝板喷丝,制得异形聚乙烯纤维,所述异形聚乙烯纤维的细度在100D;
所述PE切片为高密度聚乙烯,其结晶度85%,密度在0.95g/cm3,熔融温度128℃;
(2)纤维改性
称取丙烯酸单体、2-丙烯酰胺-2-甲基丙磺酸单体及N,N-亚甲基双丙烯酰胺溶解在去离子水中,其中,所述丙烯酸单体和所述2-丙烯酰胺-2-甲基丙磺酸单体、所述N,N-亚甲基双丙烯酰胺的质量浓度分别为4.8wt%、6.9wt%、0.3wt%,充分搅拌混合后加入终浓度为0.2wt%的氧化还原引发剂,所述氧化还原引发剂为质量比例1:1的过硫酸钾和亚硫酸氢钠,混合搅拌30min后密封在室温下搅拌反应18h,反应完成后加入3wt%的戊二醛做交联剂,混合后制得第一整理溶液,将所述异形聚乙烯纤维浸入所述第一整理溶液中,取出后60℃烘焙干燥制得改性纤维;
(3)纱线改性
称取聚(偏二氟乙烯-co-六氟丙烯)并加入到丙酮中溶解,得到浓度为在16.4wt%的第二整理溶液,将所述改性纤维与蚕丝纤维按3.2:1的质量比混纺成纱,将混纺得到的纱线依次浸入所述第二整理溶液和去离子水中,真空干燥后制得所述冰感聚乙烯纱线。
实施例3
一种面料,由纱线织造得到,所述纱线为聚乙烯纱线,所述聚乙烯纱线的制备方法包括以下步骤:
(1)异形纤维制备
将PE切片进行干燥,控制切片含水率在0.03%以下,入螺杆挤出机中熔融,通过计量泵控制熔融物的出料量,经具有Y形截面喷丝板喷丝,制得异形聚乙烯纤维,所述异形聚乙烯纤维的细度在100D;
所述PE切片为高密度聚乙烯,其结晶度85%,密度在0.95g/cm3,熔融温度128℃;
(2)纤维改性
称取丙烯酸单体、2-丙烯酰胺-2-甲基丙磺酸单体及N,N-亚甲基双丙烯酰胺溶解在去离子水中,其中,所述丙烯酸单体和所述2-丙烯酰胺-2-甲基丙磺酸单体、所述N,N-亚甲基双丙烯酰胺的质量浓度分别为4.8wt%、6.9wt%、0.3wt%,充分搅拌混合后加入终浓度为3.2wt%的1-乙基-3-甲基咪唑鎓乙酸盐、终浓度为0.2wt%的氧化还原引发剂,所述氧化还原引发剂为质量比例1:1的过硫酸钾和亚硫酸氢钠,混合搅拌30min后密封在室温下搅拌反应18h,反应完成后加入3wt%的戊二醛做交联剂,混合后制得第一整理溶液,将所述异形聚乙烯纤维浸入所述第一整理溶液中,取出后60℃烘焙干燥制得改性纤维;
(3)纱线混纺
将所述改性纤维与蚕丝纤维按3.2:1的质量比混纺成纱,制得所述聚乙烯纱线。
实施例4
一种高弹冰感面料,由纱线织造得到,所述纱线为冰感聚乙烯纱线,所述冰感聚乙烯纱线的制备方法包括以下步骤:
(1)异形纤维制备
将PE切片进行干燥,控制切片含水率在0.03%以下,入螺杆挤出机中熔融,通过计量泵控制熔融物的出料量,经具有Y形截面喷丝板喷丝,制得异形聚乙烯纤维,所述异形聚乙烯纤维的细度在100D;
所述PE切片为高密度聚乙烯,其结晶度85%,密度在0.95g/cm3,熔融温度128℃;
(2)纤维改性
称取丙烯酸单体、2-丙烯酰胺-2-甲基丙磺酸单体及N,N-亚甲基双丙烯酰胺溶解在去离子水中,其中,所述丙烯酸单体和所述2-丙烯酰胺-2-甲基丙磺酸单体、所述N,N-亚甲基双丙烯酰胺的质量浓度分别为4.8wt%、6.9wt%、0.3wt%,充分搅拌混合后加入终浓度为3.2wt%的1-乙基-3-甲基咪唑鎓乙酸盐、终浓度为0.2wt%的氧化还原引发剂,所述氧化还原引发剂为质量比例1:1的过硫酸钾和亚硫酸氢钠,混合搅拌30min后密封在室温下搅拌反应18h,反应完成后加入3wt%的戊二醛做交联剂,混合后制得第一整理溶液,将所述异形聚乙烯纤维浸入所述第一整理溶液中,取出后60℃烘焙干燥制得改性纤维;
(3)纱线改性
称取聚(偏二氟乙烯-co-六氟丙烯)并加入到丙酮中溶解,得到浓度为在16.4wt%的第二整理溶液,将所述改性纤维与抗紫外蚕丝纤维按3.2:1的质量比混纺成纱,将混纺得到的纱线依次浸入所述第二整理溶液和去离子水中,真空干燥后制得所述冰感聚乙烯纱线;
所述抗紫外蚕丝纤维的制备方法包括以下步骤:
S1、前处理
将蚕丝经脱胶处理后加入3wt%的氯化钙溶液中溶胀,溶胀温度为70℃,溶胀时间为10min,然后将溶胀的蚕丝经揉搓和梳理得到细纤维化的蚕丝纤维,原纤化程度为25%;
S2、耦合反应
将纳米氧化铝超声分散在过氧化氢溶液中,搅拌过夜后离心分离,去离子水离心洗涤后再次分散在乙醇水溶液中,分散浓度在1wt%,加入终浓度为0.5wt%的聚乙二醇和终浓度为1.2wt%的四丁基钛酸酯,充分搅拌混合后,得到第三整理溶液,将所述细纤维化的蚕丝纤维浸入所述第三整理液中,在40℃下保温振荡1h,取出纤维并以去离子水洗涤,真空干燥制得所述抗紫外蚕丝纤维。
实施例5
一种高弹冰感面料,由纱线织造得到,所述纱线为冰感聚乙烯纱线,所述冰感聚乙烯纱线的制备方法同实施例4,区别在于,所述抗紫外蚕丝纤维的制备方法包括以下步骤:
S1、前处理
将蚕丝经脱胶处理后加入3wt%的氯化钙溶液中溶胀,溶胀温度为70℃,溶胀时间为10min,然后将溶胀的蚕丝经揉搓和梳理得到细纤维化的蚕丝纤维,原纤化程度为25%;
S2、耦合反应
将纳米氧化铝超声分散在过氧化氢溶液中,搅拌过夜后离心分离,去离子水离心洗涤后再次分散在乙醇水溶液中,分散浓度在1wt%,加入终浓度为0.5wt%的聚乙二醇和终浓度为1.2wt%的三乙氧基硅烷,充分搅拌混合后,得到第三整理溶液,将所述细纤维化的蚕丝纤维浸入所述第三整理液中,在40℃下保温振荡1h,取出纤维并以去离子水洗涤,真空干燥制得所述抗紫外蚕丝纤维。
实验例
为了能够更加清楚地说明本发明,本发明对各实施例制得的面料(经密为130根/10cm,纬密为116根/10cm)进行了检测,具体的,面料的接触瞬间凉感性能(接触凉感系数Qmax)的测试方法参考GB/T35263-2017,所述冰感聚乙烯纱线的吸湿性性能参考GB/T9995-1997,面料的透湿性参考GB/T127041-2009第一部分,所述冰感聚乙烯纱线的拉伸性能参考GB/T14343-2008,测试结果如下所示:
最后应当说明的是,以上实施例仅用以说明本发明的技术方案,而非对本发明保护范围的限制,尽管参照较佳实施例对本发明作了详细地说明,本领域的普通技术人员应当理解,可以对本发明的技术方案进行修改或者等同替换,而不脱离本发明技术方案的实质和范围。

Claims (10)

1.一种高弹冰感面料,由纱线织造得到,其特征在于,所述纱线包括冰感聚乙烯纱线,所述冰感聚乙烯纱线的制备方法包括以下步骤:
(1)异形纤维制备
将PE切片进行干燥,控制切片含水率在0.03%以下,入螺杆挤出机中熔融,通过计量泵控制熔融物的出料量,经异形喷丝板喷丝,制得异形聚乙烯纤维;
(2)纤维改性
分别称取丙烯酸单体、2-丙烯酰胺-2-甲基丙磺酸单体和N,N-亚甲基双丙烯酰胺并溶解在去离子水中,充分搅拌混合后,加入功能单体和氧化还原引发剂,再次搅拌混合后得到聚合溶液,将所述聚合溶液密封并在室温下搅拌反应12-24h,反应完成后加入戊二醛,混合后制得第一整理溶液,将所述异形聚乙烯纤维浸入所述第一整理溶液中,取出后烘焙干燥制得改性纤维;
其中,所述丙烯酸单体、2-丙烯酰胺-2-甲基丙磺酸单体和N,N-亚甲基双丙烯酰胺在所述聚合溶液中的溶解浓度分别为4.6-5wt%、6.8-7wt%、0.3-0.4wt%;所述功能单体为1-乙基-3-甲基咪唑鎓乙酸盐,所述功能单体在所述第一整理溶液中的溶解浓度为3-4wt%;所述氧化还原引发剂为质量比例1:1的过硫酸钾和亚硫酸氢钠,所述戊二醛在所述第一整理溶液中的溶解浓度为2.5-3.8wt%;
(3)纱线改性
称取聚(偏二氟乙烯-co-六氟丙烯)并加入到丙酮中溶解,得到第二整理溶液,将包括有所述改性纤维的混纺纱线依次浸入所述第二整理溶液和去离子水中,真空干燥后制得所述冰感聚乙烯纱线。
2.根据权利要求1所述的一种高弹冰感面料,其特征在于,所述异形聚乙烯纤维的细度在40-200D。
3.根据权利要求1所述的一种高弹冰感面料,其特征在于,所述PE切片的结晶度大于85%,密度在0.95-0.96g/cm3,熔融温度124-138℃。
4.根据权利要求1所述的一种高弹冰感面料,其特征在于,所述异形喷丝板具有十字形或Y字形或W形或T字形异形截面。
5.根据权利要求1所述的一种高弹冰感面料,其特征在于,所述第二整理溶液中所述聚(偏二氟乙烯-co-六氟丙烯)的溶解浓度在14-20wt%。
6.根据权利要求1所述的一种高弹冰感面料,其特征在于,所述混纺纱线还包括有抗紫外蚕丝纤维,所述抗紫外蚕丝纤维的制备方法包括以下步骤:
S1、前处理
将蚕丝经脱胶处理后加入氯化钙溶液中溶胀,然后将溶胀的蚕丝经揉搓和梳理得到细纤维化的蚕丝纤维;
S2、耦合反应
将纳米氧化铝超声分散在过氧化氢溶液中,搅拌过夜后离心分离,去离子水离心洗涤后再次分散在乙醇水溶液中,加入聚乙二醇和四丁基钛酸酯,充分搅拌混合后,得到第三整理溶液,将所述细纤维化的蚕丝纤维浸入所述第三整理液中,在30-50℃下保温振荡0.5-1h,取出纤维并以去离子水洗涤,真空干燥制得所述抗紫外蚕丝纤维;
其中,所述第三整理溶液中纳米氧化铝的分散浓度在0.5-1.2wt%,所述聚乙二醇的溶解浓度在0.1-1wt%,所述四丁基钛酸酯的溶解浓度在0.8-1.8wt%。
7.根据权利要求6所述的一种高弹冰感面料,其特征在于,所述混纺纱线中所述改性纤维与所述抗紫外蚕丝纤维的质量比例为(1.8-4):1。
8.根据权利要求6所述的一种高弹冰感面料,其特征在于,所述氯化钙溶液的浓度为2-5wt%,溶胀温度为70-80℃,溶胀时间为5-20min。
9.根据权利要求6所述的一种高弹冰感面料,其特征在于,所述细纤维化的蚕丝纤维的原纤化程度为20-35%。
10.根据权利要求1-9之一所述一种高弹冰感面料在防晒上的应用。
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CN117646329A (zh) * 2024-01-29 2024-03-05 比音勒芬服饰股份有限公司 一种热湿智能调控纤维及包含该纤维的面料
CN117646329B (zh) * 2024-01-29 2024-03-29 比音勒芬服饰股份有限公司 一种热湿智能调控纤维及包含该纤维的面料

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