CN109322156A - 一种具有防水阻燃性的隔热面料的加工方法 - Google Patents
一种具有防水阻燃性的隔热面料的加工方法 Download PDFInfo
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- CN109322156A CN109322156A CN201811255785.1A CN201811255785A CN109322156A CN 109322156 A CN109322156 A CN 109322156A CN 201811255785 A CN201811255785 A CN 201811255785A CN 109322156 A CN109322156 A CN 109322156A
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- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
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Abstract
本发明公开了一种具有防水阻燃性的隔热面料的加工方法,具体步骤如下:1)以改性阻燃性聚氨酯纤维作为经线,以改性超疏水性聚丙烯腈纤维作为纬线进行织造加工,制成服装面料;2)将服装面料移至真空容器中,加压至4‑7MPa,然后注入隔热乳液,保压处理5‑10min,然后迅速泄压至常压,重复上述步骤2‑3次,然后取出服装面料,移至烘箱中加热至80‑90℃,烘焙40‑50min;3)将烘干后的服装面料经轧平、染色、烘干定型后即可制得。本发明制备的服装面料,防水和阻燃性能优越,同时还具有很好的隔热性,适合制作特种服装,性价比高,具有广泛的市场应用前景。
Description
技术领域
本发明属于服装面料技术领域,具体涉及一种具有防水阻燃性的隔热面料的加工方法。
背景技术
随着生活水平、生活质量的提高,人们对纺织品、服装提出了各种功能性的要求。功能纤维和功能纺织品是代表材料、化工、纺织品及相关领域科技发展水平的纤维材料和纺织产品,是纤维、纺织、染整、服装、精细化工等领域的科技工作者关注点之一。开发功能性纺织品,集舒适、休闲、保健为一体,这已成为当今世界纺织品发展的潮流。随着人们防范意识的逐步提高,对防水阻燃纺织品的需求不断提升。现价段赋予纺织品防水阻燃性能的方法一般有两种:一种是选用防水阻燃纤维纺纱、织造;另一种是对织物进行防水阻燃整理。与防水阻燃纤维的生产相比,防水阻燃整理工艺简单、价格低廉,在应用上具有良好的灵活性,但是经过防水阻燃整理处理的织物存在一些问题,一是防水阻燃剂会随着洗涤次数的增加逐渐减少,防水阻燃效果逐渐消失;二是防水阻燃整理的织物在燃烧时会产生有害气体,对人身和环境造成伤害,因此不适合广泛应用。
目前,生产以防水阻燃纤维为原料,经过纺纱织造形成的持久高效防水阻燃面料成为发展趋势,是防水阻燃纺织品开发的新热点,具有广阔的市场潜力。但是现有的防水阻燃面料不够柔软,穿着舒适性较差,而且隔热性较差,在高温环境下穿着时较为闷热。因此,在提高织物防水阻燃性的同时,如何提升织物的隔热性,是一个亟待解决的问题。
发明内容
本发明的目的是针对现有的问题,提供了一种具有防水阻燃性的隔热面料的加工方法。
本发明是通过以下技术方案实现的:
一种具有防水阻燃性的隔热面料的加工方法,具体步骤如下:
1)以改性阻燃性聚氨酯纤维作为经线,以改性超疏水性聚丙烯腈纤维作为纬线进行织造加工,制成服装面料;
2)将服装面料移至真空容器中,加压至4-7MPa,然后注入隔热乳液,保压处理5-10min,然后迅速泄压至常压,重复上述步骤2-3次,然后取出服装面料,移至烘箱中加热至80-90℃,烘焙40-50min;
3)将烘干后的服装面料经轧平、染色、烘干定型后即可制得。
优选地,一种具有防水阻燃性的隔热面料的加工方法,其中上述改性阻燃性聚氨酯纤维的制备方法如下:
1)取蛭石粉10-15份,加入到50-60份无水乙醇溶液中,再加入3-4份硅烷偶联剂A151,升温至70-90℃,在转速为150-200r/min下搅拌1-2h,然后减压蒸馏去除溶剂,移至烘箱中加热至60-70℃,干燥至恒重后进行粉碎,过200-300目筛,制得改性蛭石粉;
2)取聚丙二醇20-25份,加入到40-50份环己烷溶液中,搅拌溶解后再加入15-20份二异氰酸酯,混合后升温至60-70℃,恒温反应2-3h,待反应结束后降温至50-60℃,再加入3-5份二羟甲基丙酸,继续反应1-2h,降温至室温后加入三乙胺2-3份中和后得到粗产物;
3)取季戊四醇5-8份与1)中的改性蛭石粉和2)中的粗产物混合均匀,加入50-70%的乙醇溶液作为溶剂,加热至100-120℃进行回流反应2-3h,待反应结束后冷却至室温,加水进行乳化40-50min,制得改性阻燃性聚氨酯乳液;
4)将改性阻燃性聚氨酯乳液加热至260-300℃,然后经纺丝组件喷出,冷却后经牵伸、收丝即可制得改性阻燃性聚氨酯纤维。
优选地,一种具有防水阻燃性的隔热面料的加工方法,其中上述改性超疏水性聚丙烯腈纤维的制备方法如下:
1)在室温下,取丙烯腈4-6份,加入到10-15份的二甲基甲酰胺溶液中,搅拌溶解后形成透明溶液,然后将溶液升温至70-80℃,加入过硫酸铵3-4份,恒温反应5-10min,再将反应物降温至50-55℃,加入N,N-亚甲基双丙烯酰胺2-3份、磷酸三苯酯4-5份、二乙基甲苯酰胺5-6份,混合搅拌后升温至70-75℃,恒温反应3-4h,待产物冷却后加入5-10%的氢氧化钠溶液调节pH至8-9,静置2-3h,待接枝共聚的产物完全析出后进行过滤,然后用去离子水反复洗涤至中性,然后移至烘箱中,加热至60-70℃,烘干至恒重即可得到改性聚丙烯腈;
2)将改性聚丙烯腈经过单螺杆挤出机在320-350℃下混炼,排气后进行过滤,将过滤后的熔体进一步混合均匀后再经纺丝组件将熔体喷出,冷却后经牵伸、收丝即可制得改性聚丙烯腈纤维;
3)取椰油伯铵1-2份,加入到30-40份的乙醚溶液中,搅拌溶解后再加入2-3mol/L的稀盐酸10-15份,反应20-30min,待反应结束后进行过滤,用乙醚冲洗得到的晶体,然后将晶体加入到1-2mol/L的稀盐酸溶液中配制成浓度为1×10-4mol/L的椰油伯铵盐酸盐溶液40-60份,然后将改性聚丙烯腈纤维浸泡在盐酸盐溶液中,室温下浸泡5-7h,取出后用去离子水洗涤1-2min,用2-3m/s的低速空气吹除表面的液滴,然后移至干燥器中,加热至50-60℃,干燥15-20h即可制得改性超疏水性聚丙烯腈纤维。
优选地,一种具有防水阻燃性的隔热面料的加工方法,其中上述隔热乳液的制备方法如下:
1)取三氧化二铝5-8份、二氧化钛2-3份、三氧化钼3-4份,混合后加入到球磨机中进行研磨,过200目筛,制得复合掺杂组分;
2)取三氧化铬5-6份、碳微球6-8份,混合后加入到40-50份浓度为60-80%的乙醇溶液中,在400-500W超声波下振荡份散15-20min,然后加入1)中的复合掺杂组分,升温至70-80℃,加热回流15-18h,冷却至室温后,缓慢滴加0.2-0.5mol/L的氢氧化钠溶液至pH为9-10,在转速为200-300r/min下搅拌2-3h,然后在3000-5000r/min下进行离心分离5-10min,将得到的固相产物用蒸馏水洗涤至中性后移至干燥器中,加热至60-70℃,干燥至恒重后移至煅烧炉中,加热至500-700℃,煅烧2-3h,冷却后制得改性三氧化铬;
3)取淀粉10-15份,加入2-3倍量的蒸馏水中,加热至40-50℃,搅拌溶解后再加入过硫酸铵2-3份、二异氰酸甲苯酯1-2份、乙酸乙烯2-3份,升温至60-70℃,恒温反应1-2h,制得改性淀粉粘结剂;
4)取去离子水50-70份,加入2)中的改性三氧化二铬和3)中的改性淀粉粘结剂,在转速为400-500r/min下高速搅拌20-30min,即可制得隔热乳液。
本发明相比现有技术具有以下优点:
1.本发明制备的服装面料,防水和阻燃性能优越,同时还具有很好的隔热性,适合制作特种服装,性价比高,具有广泛的市场应用前景,首先,用制备的改性阻燃性聚氨酯纤维作为经线,用改性超疏水性聚丙烯腈纤维作为纬线进行织造加工,使得制备的服装面料具有优越的防水和阻燃性;其次,将服装面料移至真空容器中,加压后注入隔热乳液,保压处理后迅速泄压至常压,可以使隔热乳液紧密在粘接在面料的纤维表面以及填充在面料的缝隙中,使面料具有隔热性的同时可以提高面料的表面的密闭性,从而进一步的提高面料的防水和阻燃性。
2.本发明制备的服装面料,其中制备的改性阻燃性聚氨酯纤维,首先,将蛭石粉加入到硅烷偶联剂A151中进行搅拌,对蛭石粉表面进行处理,改善蛭石粉在树脂中的分散性及粘合力,改善蛭石粉与树脂之间的相容性,有利于蛭石粉与后续聚氨酯的粘接;其次,聚丙二醇和二异氰酸酯在环己烷溶剂中进行聚合反应,再加入的二羟甲基丙酸作为扩链剂可以使聚氨酯之间发生扩链反应,提高聚氨酯的稳定性,而添加的三乙胺作为中和剂可以减小聚氨酯乳胶的粒径,增大粘度,有利于提高乳胶的稳定性,同时有利于后续与改性蛭石粉的粘结;最后,在表面活性剂季戊四醇的作用下,可以提高聚氨酯粗产物的乳化能力,促进改性蛭石粉与聚氨酯粗产物的混合,从而使得最终制备的改性聚氨酯纤维具有优异的阻燃性。
3.本发明制备的服装面料,其中制备的改性超疏水性聚丙烯腈纤维,首先,丙烯腈单体聚合形成聚丙烯腈纤,然后在引发剂过硫酸铵和交联剂N,N-亚甲基双丙烯酰胺的作用下,磷酸三苯酯和二乙基甲苯酰胺中的含有酰胺基团的烃基和含有酯基团的烃基断键后接枝在聚丙烯腈的长链上,从而增加聚丙烯腈的疏水基团量,提高聚丙烯腈的疏水性;其次,椰油伯铵中含有的十二胺和十八胺吸附在改性聚丙烯腈纤维表面,增大改性聚丙烯腈纤维的接触角,从而进一步的提高改性聚丙烯腈纤维的疏水性,从而使得制备的改性超疏水性聚丙烯腈纤维具有优异的防水性。
4.本发明制备的服装面料,其中制备的隔热乳液,首先,将三氧化二铝、二氧化钛、三氧化钼混合研磨后形成的复合掺杂组分与三氧化二铬吸附在碳微球表面形成改性三氧化二铬,改性三氧化二铬的内部是多孔的空心结构,可以阻止外界热量的进入,具有很好的隔热性;其次,复合掺杂组分可以提高改性三氧化二铬对外界红外线的反射率,阻碍热量的渗透,进一步提高隔热效果,从而使得服装面料具有很好的隔热性。
具体实施方式
下面结合具体实施方法对本发明做进一步的说明。
实施例1
一种具有防水阻燃性的隔热面料的加工方法,具体步骤如下:
1)以改性阻燃性聚氨酯纤维作为经线,以改性超疏水性聚丙烯腈纤维作为纬线进行织造加工,制成服装面料;
2)将服装面料移至真空容器中,加压至4MPa,然后注入隔热乳液,保压处理10min,然后迅速泄压至常压,重复上述步骤3次,然后取出服装面料,移至烘箱中加热至80℃,烘焙50min;
3)将烘干后的服装面料经轧平、染色、烘干定型后即可制得。
作为优选,其中上述改性阻燃性聚氨酯纤维的制备方法如下:
1)取蛭石粉10份,加入到50份无水乙醇溶液中,再加入3份硅烷偶联剂A151,升温至70℃,在转速为150r/min下搅拌2h,然后减压蒸馏去除溶剂,移至烘箱中加热至60℃,干燥至恒重后进行粉碎,过200目筛,制得改性蛭石粉;
2)取聚丙二醇20份,加入到40份环己烷溶液中,搅拌溶解后再加入15份二异氰酸酯,混合后升温至60℃,恒温反应3h,待反应结束后降温至50℃,再加入3份二羟甲基丙酸,继续反应2h,降温至室温后加入三乙胺2份中和后得到粗产物;
3)取季戊四醇5份与1)中的改性蛭石粉和2)中的粗产物混合均匀,加入50%的乙醇溶液作为溶剂,加热至100℃进行回流反应3h,待反应结束后冷却至室温,加水进行乳化40min,制得改性阻燃性聚氨酯乳液;
4)将改性阻燃性聚氨酯乳液加热至260℃,然后经纺丝组件喷出,冷却后经牵伸、收丝即可制得改性阻燃性聚氨酯纤维。
作为优选,其中上述改性超疏水性聚丙烯腈纤维的制备方法如下:
1)在室温下,取丙烯腈4份,加入到10份的二甲基甲酰胺溶液中,搅拌溶解后形成透明溶液,然后将溶液升温至70℃,加入过硫酸铵3份,恒温反应10min,再将反应物降温至50℃,加入N,N-亚甲基双丙烯酰胺2份、磷酸三苯酯4份、二乙基甲苯酰胺5份,混合搅拌后升温至70℃,恒温反应4h,待产物冷却后加入5%的氢氧化钠溶液调节pH至8,静置3h,待接枝共聚的产物完全析出后进行过滤,然后用去离子水反复洗涤至中性,然后移至烘箱中,加热至60℃,烘干至恒重即可得到改性聚丙烯腈;
2)将改性聚丙烯腈经过单螺杆挤出机在320℃下混炼,排气后进行过滤,将过滤后的熔体进一步混合均匀后再经纺丝组件将熔体喷出,冷却后经牵伸、收丝即可制得改性聚丙烯腈纤维;
3)取椰油伯铵1份,加入到30份的乙醚溶液中,搅拌溶解后再加入2mol/L的稀盐酸10份,反应30min,待反应结束后进行过滤,用乙醚冲洗得到的晶体,然后将晶体加入到1mol/L的稀盐酸溶液中配制成浓度为1×10-4mol/L的椰油伯铵盐酸盐溶液40份,然后将改性聚丙烯腈纤维浸泡在盐酸盐溶液中,室温下浸泡7h,取出后用去离子水洗涤2min,用2m/s的低速空气吹除表面的液滴,然后移至干燥器中,加热至50℃,干燥20h即可制得改性超疏水性聚丙烯腈纤维。
作为优选,其中上述隔热乳液的制备方法如下:
1)取三氧化二铝5份、二氧化钛2份、三氧化钼3份,混合后加入到球磨机中进行研磨,过200目筛,制得复合掺杂组分;
2)取三氧化铬5份、碳微球6份,混合后加入到40份浓度为60%的乙醇溶液中,在400W超声波下振荡份散20min,然后加入1)中的复合掺杂组分,升温至70℃,加热回流18h,冷却至室温后,缓慢滴加0.2mol/L的氢氧化钠溶液至pH为9,在转速为200r/min下搅拌3h,然后在3000r/min下进行离心分离10min,将得到的固相产物用蒸馏水洗涤至中性后移至干燥器中,加热至60℃,干燥至恒重后移至煅烧炉中,加热至500℃,煅烧3h,冷却后制得改性三氧化铬;
3)取淀粉10份,加入2倍量的蒸馏水中,加热至40℃,搅拌溶解后再加入过硫酸铵2份、二异氰酸甲苯酯1份、乙酸乙烯2份,升温至60℃,恒温反应2h,制得改性淀粉粘结剂;
4)取去离子水50份,加入2)中的改性三氧化二铬和3)中的改性淀粉粘结剂,在转速为400r/min下高速搅拌30min,即可制得隔热乳液。
实施例2
一种具有防水阻燃性的隔热面料的加工方法,具体步骤如下:
1)以改性阻燃性聚氨酯纤维作为经线,以改性超疏水性聚丙烯腈纤维作为纬线进行织造加工,制成服装面料;
2)将服装面料移至真空容器中,加压至5MPa,然后注入隔热乳液,保压处理7min,然后迅速泄压至常压,重复上述步骤2次,然后取出服装面料,移至烘箱中加热至85℃,烘焙45min;
3)将烘干后的服装面料经轧平、染色、烘干定型后即可制得。
作为优选,其中上述改性阻燃性聚氨酯纤维的制备方法如下:
1)取蛭石粉12份,加入到55份无水乙醇溶液中,再加入3份硅烷偶联剂A151,升温至80℃,在转速为180r/min下搅拌1.5h,然后减压蒸馏去除溶剂,移至烘箱中加热至65℃,干燥至恒重后进行粉碎,过200目筛,制得改性蛭石粉;
2)取聚丙二醇23份,加入到45份环己烷溶液中,搅拌溶解后再加入17份二异氰酸酯,混合后升温至65℃,恒温反应2.5h,待反应结束后降温至55℃,再加入4份二羟甲基丙酸,继续反应1.5h,降温至室温后加入三乙胺2份中和后得到粗产物;
3)取季戊四醇6份与1)中的改性蛭石粉和2)中的粗产物混合均匀,加入60%的乙醇溶液作为溶剂,加热至110℃进行回流反应2.5h,待反应结束后冷却至室温,加水进行乳化45min,制得改性阻燃性聚氨酯乳液;
4)将改性阻燃性聚氨酯乳液加热至280℃,然后经纺丝组件喷出,冷却后经牵伸、收丝即可制得改性阻燃性聚氨酯纤维。
作为优选,其中上述改性超疏水性聚丙烯腈纤维的制备方法如下:
1)在室温下,取丙烯腈5份,加入到12份的二甲基甲酰胺溶液中,搅拌溶解后形成透明溶液,然后将溶液升温至75℃,加入过硫酸铵3份,恒温反应7min,再将反应物降温至53℃,加入N,N-亚甲基双丙烯酰胺2份、磷酸三苯酯4份、二乙基甲苯酰胺5份,混合搅拌后升温至72℃,恒温反应3.5h,待产物冷却后加入7%的氢氧化钠溶液调节pH至8.5,静置2.5h,待接枝共聚的产物完全析出后进行过滤,然后用去离子水反复洗涤至中性,然后移至烘箱中,加热至65℃,烘干至恒重即可得到改性聚丙烯腈;
2)将改性聚丙烯腈经过单螺杆挤出机在330℃下混炼,排气后进行过滤,将过滤后的熔体进一步混合均匀后再经纺丝组件将熔体喷出,冷却后经牵伸、收丝即可制得改性聚丙烯腈纤维;
3)取椰油伯铵1份,加入到35份的乙醚溶液中,搅拌溶解后再加入2.5mol/L的稀盐酸12份,反应25min,待反应结束后进行过滤,用乙醚冲洗得到的晶体,然后将晶体加入到1.5mol/L的稀盐酸溶液中配制成浓度为1×10-4mol/L的椰油伯铵盐酸盐溶液50份,然后将改性聚丙烯腈纤维浸泡在盐酸盐溶液中,室温下浸泡6h,取出后用去离子水洗涤1min,用2.5m/s的低速空气吹除表面的液滴,然后移至干燥器中,加热至55℃,干燥17h即可制得改性超疏水性聚丙烯腈纤维。
作为优选,其中上述隔热乳液的制备方法如下:
1)取三氧化二铝6份、二氧化钛2份、三氧化钼3份,混合后加入到球磨机中进行研磨,过200目筛,制得复合掺杂组分;
2)取三氧化铬5份、碳微球7份,混合后加入到45份浓度为70%的乙醇溶液中,在400W超声波下振荡份散17min,然后加入1)中的复合掺杂组分,升温至75℃,加热回流17h,冷却至室温后,缓慢滴加0.3mol/L的氢氧化钠溶液至pH为9.5,在转速为260r/min下搅拌2.5h,然后在4000r/min下进行离心分离7min,将得到的固相产物用蒸馏水洗涤至中性后移至干燥器中,加热至65℃,干燥至恒重后移至煅烧炉中,加热至600℃,煅烧2.5h,冷却后制得改性三氧化铬;
3)取淀粉12份,加入2.5倍量的蒸馏水中,加热至45℃,搅拌溶解后再加入过硫酸铵2份、二异氰酸甲苯酯1份、乙酸乙烯2份,升温至65℃,恒温反应1.5h,制得改性淀粉粘结剂;
4)取去离子水60份,加入2)中的改性三氧化二铬和3)中的改性淀粉粘结剂,在转速为450r/min下高速搅拌25min,即可制得隔热乳液。
实施例3
一种具有防水阻燃性的隔热面料的加工方法,具体步骤如下:
1)以改性阻燃性聚氨酯纤维作为经线,以改性超疏水性聚丙烯腈纤维作为纬线进行织造加工,制成服装面料;
2)将服装面料移至真空容器中,加压至7MPa,然后注入隔热乳液,保压处理5min,然后迅速泄压至常压,重复上述步骤2次,然后取出服装面料,移至烘箱中加热至90℃,烘焙40min;
3)将烘干后的服装面料经轧平、染色、烘干定型后即可制得。
作为优选,其中上述改性阻燃性聚氨酯纤维的制备方法如下:
1)取蛭石粉15份,加入到60份无水乙醇溶液中,再加入4份硅烷偶联剂A151,升温至90℃,在转速为200r/min下搅拌1h,然后减压蒸馏去除溶剂,移至烘箱中加热至70℃,干燥至恒重后进行粉碎,过300目筛,制得改性蛭石粉;
2)取聚丙二醇25份,加入到50份环己烷溶液中,搅拌溶解后再加入20份二异氰酸酯,混合后升温至70℃,恒温反应2h,待反应结束后降温至60℃,再加入5份二羟甲基丙酸,继续反应1h,降温至室温后加入三乙胺3份中和后得到粗产物;
3)取季戊四醇8份与1)中的改性蛭石粉和2)中的粗产物混合均匀,加入70%的乙醇溶液作为溶剂,加热至120℃进行回流反应2h,待反应结束后冷却至室温,加水进行乳化50min,制得改性阻燃性聚氨酯乳液;
4)将改性阻燃性聚氨酯乳液加热至300℃,然后经纺丝组件喷出,冷却后经牵伸、收丝即可制得改性阻燃性聚氨酯纤维。
作为优选,其中上述改性超疏水性聚丙烯腈纤维的制备方法如下:
1)在室温下,取丙烯腈6份,加入到15份的二甲基甲酰胺溶液中,搅拌溶解后形成透明溶液,然后将溶液升温至80℃,加入过硫酸铵4份,恒温反应5min,再将反应物降温至55℃,加入N,N-亚甲基双丙烯酰胺3份、磷酸三苯酯5份、二乙基甲苯酰胺6份,混合搅拌后升温至75℃,恒温反应3h,待产物冷却后加入10%的氢氧化钠溶液调节pH至9,静置2h,待接枝共聚的产物完全析出后进行过滤,然后用去离子水反复洗涤至中性,然后移至烘箱中,加热至70℃,烘干至恒重即可得到改性聚丙烯腈;
2)将改性聚丙烯腈经过单螺杆挤出机在350℃下混炼,排气后进行过滤,将过滤后的熔体进一步混合均匀后再经纺丝组件将熔体喷出,冷却后经牵伸、收丝即可制得改性聚丙烯腈纤维;
3)取椰油伯铵2份,加入到40份的乙醚溶液中,搅拌溶解后再加入3mol/L的稀盐酸15份,反应20min,待反应结束后进行过滤,用乙醚冲洗得到的晶体,然后将晶体加入到2mol/L的稀盐酸溶液中配制成浓度为1×10-4mol/L的椰油伯铵盐酸盐溶液60份,然后将改性聚丙烯腈纤维浸泡在盐酸盐溶液中,室温下浸泡5h,取出后用去离子水洗涤2min,用3m/s的低速空气吹除表面的液滴,然后移至干燥器中,加热至60℃,干燥15h即可制得改性超疏水性聚丙烯腈纤维。
作为优选,其中上述隔热乳液的制备方法如下:
1)取三氧化二铝8份、二氧化钛3份、三氧化钼4份,混合后加入到球磨机中进行研磨,过200目筛,制得复合掺杂组分;
2)取三氧化铬6份、碳微球8份,混合后加入到50份浓度为80%的乙醇溶液中,在500W超声波下振荡份散15min,然后加入1)中的复合掺杂组分,升温至80℃,加热回流15h,冷却至室温后,缓慢滴加0.5mol/L的氢氧化钠溶液至pH为10,在转速为300r/min下搅拌2h,然后在5000r/min下进行离心分离5min,将得到的固相产物用蒸馏水洗涤至中性后移至干燥器中,加热至70℃,干燥至恒重后移至煅烧炉中,加热至700℃,煅烧2h,冷却后制得改性三氧化铬;
3)取淀粉15份,加入3倍量的蒸馏水中,加热至50℃,搅拌溶解后再加入过硫酸铵3份、二异氰酸甲苯酯2份、乙酸乙烯3份,升温至70℃,恒温反应1h,制得改性淀粉粘结剂;
4)取去离子水70份,加入2)中的改性三氧化二铬和3)中的改性淀粉粘结剂,在转速为500r/min下高速搅拌20min,即可制得隔热乳液。
以上所述,仅为本发明的具体实施方式,但本发明的保护范围并不局限于此,任何不经过创造性劳动想到的变换或替换,都应涵盖在本发明的保护范围内。
以改性阻燃性聚氨酯纤维作为经线,以改性超疏水性聚丙烯腈纤维作为纬线进行织造加工,制成服装面料
对比例1:步骤1)中的纬线选用改性阻燃性聚氨酯纤维,其余与实施例1相同。
对比例2:步骤1)中的经线选用改性超疏水性聚丙烯腈纤维,其余与实施例1相同。
对比例3:去除步骤2)中的隔热乳液,其余与实施例1相同。
试验例1:服装面料防水阻燃性能的研究
分别对实施例1-3和对比例1-2中的服装面料进行防水、阻燃性能的测试,同时采用梯形法对面料的撕裂强度进行测试,统计结果如表一所示:
表一
从表一可以看出,实施例1-3中的服装面料具有优异的防水阻燃性,并且分别用阻燃纤维和防水纤维进行混合织造,对面料整体的防水阻燃性并没有太大的影响,同时面料还具有很好的抗撕裂性,由此可见,本发明制备的服装面料防水阻燃性能优越。
试验例2:服装面料隔热性研究
分别用实施例1-3和对比例3提供的服装面料将一只温度计包裹住,然后放入温度为50℃,湿度为60%的密室中,30min后测试服装面料的表面温度以及记录温度计的温度,结果如表二所示:
表二
从表二可以看出,本发明提供的服装面料可以有效的隔热外界的热量进入,具有很好的隔热降温的作用。
以上所述,仅为本发明的具体实施方式,但本发明的保护范围并不局限于此,任何不经过创造性劳动想到的变换或替换,都应涵盖在本发明的保护范围内。
Claims (4)
1.一种具有防水阻燃性的隔热面料的加工方法,其特征在于,具体步骤如下:
1)以改性阻燃性聚氨酯纤维作为经线,以改性超疏水性聚丙烯腈纤维作为纬线进行织造加工,制成服装面料;
2)将服装面料移至真空容器中,加压至4-7MPa,然后注入隔热乳液,保压处理5-10min,然后迅速泄压至常压,重复上述步骤2-3次,然后取出服装面料,移至烘箱中加热至80-90℃,烘焙40-50min;
3)将烘干后的服装面料经轧平、染色、烘干定型后即可制得。
2.如权利要求1所述的一种具有防水阻燃性的隔热面料的加工方法,其特征在于,上述改性阻燃性聚氨酯纤维的制备方法如下:
1)取蛭石粉10-15份,加入到50-60份无水乙醇溶液中,再加入3-4份硅烷偶联剂A151,升温至70-90℃,在转速为150-200r/min下搅拌1-2h,然后减压蒸馏去除溶剂,移至烘箱中加热至60-70℃,干燥至恒重后进行粉碎,过200-300目筛,制得改性蛭石粉;
2)取聚丙二醇20-25份,加入到40-50份环己烷溶液中,搅拌溶解后再加入15-20份二异氰酸酯,混合后升温至60-70℃,恒温反应2-3h,待反应结束后降温至50-60℃,再加入3-5份二羟甲基丙酸,继续反应1-2h,降温至室温后加入三乙胺2-3份中和后得到粗产物;
3)取季戊四醇5-8份与1)中的改性蛭石粉和2)中的粗产物混合均匀,加入50-70%的乙醇溶液作为溶剂,加热至100-120℃进行回流反应2-3h,待反应结束后冷却至室温,加水进行乳化40-50min,制得改性阻燃性聚氨酯乳液;
4)将改性阻燃性聚氨酯乳液加热至260-300℃,然后经纺丝组件喷出,冷却后经牵伸、收丝即可制得改性阻燃性聚氨酯纤维。
3.如权利要求1所述的一种具有防水阻燃性的隔热面料的加工方法,其特征在于,上述改性超疏水性聚丙烯腈纤维的制备方法如下:
1)在室温下,取丙烯腈4-6份,加入到10-15份的二甲基甲酰胺溶液中,搅拌溶解后形成透明溶液,然后将溶液升温至70-80℃,加入过硫酸铵3-4份,恒温反应5-10min,再将反应物降温至50-55℃,加入N,N-亚甲基双丙烯酰胺2-3份、磷酸三苯酯4-5份、二乙基甲苯酰胺5-6份,混合搅拌后升温至70-75℃,恒温反应3-4h,待产物冷却后加入5-10%的氢氧化钠溶液调节pH至8-9,静置2-3h,待接枝共聚的产物完全析出后进行过滤,然后用去离子水反复洗涤至中性,然后移至烘箱中,加热至60-70℃,烘干至恒重即可得到改性聚丙烯腈;
2)将改性聚丙烯腈经过单螺杆挤出机在320-350℃下混炼,排气后进行过滤,将过滤后的熔体进一步混合均匀后再经纺丝组件将熔体喷出,冷却后经牵伸、收丝即可制得改性聚丙烯腈纤维;
3)取椰油伯铵1-2份,加入到30-40份的乙醚溶液中,搅拌溶解后再加入2-3mol/L的稀盐酸10-15份,反应20-30min,待反应结束后进行过滤,用乙醚冲洗得到的晶体,然后将晶体加入到1-2mol/L的稀盐酸溶液中配制成浓度为1×10-4mol/L的椰油伯铵盐酸盐溶液40-60份,然后将改性聚丙烯腈纤维浸泡在盐酸盐溶液中,室温下浸泡5-7h,取出后用去离子水洗涤1-2min,用2-3m/s的低速空气吹除表面的液滴,然后移至干燥器中,加热至50-60℃,干燥15-20h即可制得改性超疏水性聚丙烯腈纤维。
4.如权利要求1所述的一种具有防水阻燃性的隔热面料的加工方法,其特征在于,上述隔热乳液的制备方法如下:
1)取三氧化二铝5-8份、二氧化钛2-3份、三氧化钼3-4份,混合后加入到球磨机中进行研磨,过200目筛,制得复合掺杂组分;
2)取三氧化铬5-6份、碳微球6-8份,混合后加入到40-50份浓度为60-80%的乙醇溶液中,在400-500W超声波下振荡份散15-20min,然后加入1)中的复合掺杂组分,升温至70-80℃,加热回流15-18h,冷却至室温后,缓慢滴加0.2-0.5mol/L的氢氧化钠溶液至pH为9-10,在转速为200-300r/min下搅拌2-3h,然后在3000-5000r/min下进行离心分离5-10min,将得到的固相产物用蒸馏水洗涤至中性后移至干燥器中,加热至60-70℃,干燥至恒重后移至煅烧炉中,加热至500-700℃,煅烧2-3h,冷却后制得改性三氧化铬;
3)取淀粉10-15份,加入2-3倍量的蒸馏水中,加热至40-50℃,搅拌溶解后再加入过硫酸铵2-3份、二异氰酸甲苯酯1-2份、乙酸乙烯2-3份,升温至60-70℃,恒温反应1-2h,制得改性淀粉粘结剂;
4)取去离子水50-70份,加入2)中的改性三氧化二铬和3)中的改性淀粉粘结剂,在转速为400-500r/min下高速搅拌20-30min,即可制得隔热乳液。
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