CN115142152A - 石墨烯改性聚氨酯环保纤维织品及生产工艺 - Google Patents
石墨烯改性聚氨酯环保纤维织品及生产工艺 Download PDFInfo
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Abstract
本发明提供一种石墨烯改性聚氨酯环保纤维织品,其特征在于包括聚氨酯纤维、聚乳酸纤维、聚乙烯醇缩丁醛纳米纤维、芳纶纤维,将上述材料经过清洗、过滤、溶解、改性、织造,制得纤维织品。本申请将聚氨酯纤维、聚乳酸纤维、聚乙烯醇缩丁醛纳米纤维、芳纶纤维混合在一起再利用氧化石墨烯修饰的环氧改性聚氨酯进行改性处理,使具有超高强度、高模量和耐高温的芳纶纤维产物达到低温远红外、抑菌防螨、抗静电阻燃、抗紫外,芳纶纤维价格低廉,经过改性后的产品具有更加好的效果,经过改性的产品能以低廉的价格实现高价格纤维织品才能达到的效果,节约了成本。
Description
技术领域
本发明涉及环保纤维织品领域,尤其涉及一种石墨烯改性聚氨酯环保纤维织品及生产工艺。
背景技术
聚氨酯纤维又称氨纶,是一种以聚氨基甲酸酯为主成分的合成纤维,分为聚醚型和聚酯型两类。
聚氨酯纤维以聚氨酯为原料经干法纺丝或湿法纺丝制得的合成纤维。具有类似橡胶丝的高弹性回复率和高断裂伸长。但是随着人们生活水平的提高,对纤维织品要求越来越高,需要一系列具备健康保健功效的功能纤维,为了满足这个要求,各种各样的纤维织品出现了,很多改性氨纶方法也出现了,但是现有的改性方法从本质上改变软硬段成分种类,掺入部分改性的功能性基团,分别在在聚氨酯链软段中引入端羟基氢化聚丁二烯,在硬段中引入降冰片烷二异氰酸酯,所得氨纶纤维具有优异的光稳定性、耐热性、耐黄变性、耐候性等。上述方法虽然可以改善氨纶纤维的稳定性、耐热性、耐黄变性等,但需要从源头上对氨纶纤维的分子链进行设计,成本较高,时效性不佳。
发明内容
根据以上技术问题,本发明提供一种石墨烯改性聚氨酯环保纤维织品,其特征在于包括聚氨酯纤维、聚乳酸纤维、聚乙烯醇缩丁醛纳米纤维、芳纶纤维,将上述材料经过清洗、过滤、溶解、改性、织造,制得纤维织品。
石墨烯改性聚氨酯环保纤维织品生产工艺,其具体步骤为:
步骤一、预处理
将聚乳酸纤维、聚乙烯醇缩丁醛纳米纤维、芳纶纤维用无菌水进行洗涤,混合均匀,在85-90℃的无菌水中软化18-20h,然后取出混合纤维;
步骤二:氧化石墨烯修饰的环氧改性聚氨酯制备
将氧化石墨烯100份加入到10-20倍重量份的含质量分数为8-25%硅烷偶联剂的DMF溶液中,于75-85℃的温度下搅拌反应5-10h,然后通过离心去除上层溶剂收集下层颗粒沉淀,然后用DMF溶液将其进行重悬配置成25-40%的质量分数,在超声仪上超声处理30-50min后,在搅拌的状态下加入50-80份环氧改性聚氨酯乳液,在50-60℃的温度下继续反应2-4h,制得氧化石墨烯修饰的环氧改性聚氨酯;
步骤三、溶解
将上述清洁完毕已经软化的混合纤维倒入混合罐内,然后在混合罐内加入溶解溶液,然后利用搅拌桨将混合纤维和溶解溶液进行充分结合,搅拌时将氧化石墨烯修饰的环氧改性聚氨酯和改性剂加入其中,混合溶液在搅拌中慢慢溶解,得到纺丝原液,然后对纺丝原液进行过滤,将其中杂质过滤出去;
步骤四、将纺丝原液加入均质机内,并采用紫外线间歇式照射,照射强度为2300-2400μW/cm2,每照射10min,停止15min;
步骤五、送入纺丝机进行湿法纺丝,取出纺丝后经去离子水冲洗至中性,得初生纤维;
步骤六、将初生纤维放置于真空旋转蒸发仪中,温度70-80℃,转速为40-45r/min,干燥至无水分状态,得到防水透气的复合纤维材料。
所述改性剂为聚乙烯醇、聚乙二醇、木质素磺酸钠、聚乙烯吡咯烷酮、丙二腈磺酸盐、钾盐中的一种或几种。
本发明的有益效果为:本申请将聚氨酯纤维、聚乳酸纤维、聚乙烯醇缩丁醛纳米纤维、芳纶纤维混合在一起再利用氧化石墨烯修饰的环氧改性聚氨酯进行改性处理,使具有超高强度、高模量和耐高温的芳纶纤维产物达到低温远红外、抑菌防螨、抗静电阻燃、抗紫外,芳纶纤维价格低廉,经过改性后的产品具有更加好的效果,经过改性的产品能以低廉的价格实现高价格纤维织品才能达到的效果,节约了成本。
本发明将聚氨酯纤维、芳纶纤维混合在一起,使最后的限位织品具有芳纶纤维的特点,强度更大。
具体实施方式
实施例1
石墨烯改性聚氨酯环保纤维织品生产工艺,其具体步骤为:
步骤一、预处理
选取原材料聚氨酯纤维30-50分、聚乳酸纤维8-20分、聚乙烯醇缩丁醛纳米纤维8-20分、芳纶纤维30-50分,将聚乳酸纤维、聚乙烯醇缩丁醛纳米纤维、芳纶纤维用无菌水进行洗涤,混合均匀,在85-90℃的无菌水中软化18-20h,然后取出混合纤维;
步骤二:氧化石墨烯修饰的环氧改性聚氨酯制备
将氧化石墨烯100份加入到10-20倍重量份的含质量分数为8-25%硅烷偶联剂的DMF溶液中,于75-85℃的温度下搅拌反应5-10h,然后通过离心去除上层溶剂收集下层颗粒沉淀,然后用DMF溶液将其进行重悬配置成25-40%的质量分数,在超声仪上超声处理30-50min后,在搅拌的状态下加入50-80份环氧改性聚氨酯乳液,在50-60℃的温度下继续反应2-4h,制得氧化石墨烯修饰的环氧改性聚氨酯;
步骤三、溶解
将上述清洁完毕已经软化的混合纤维倒入混合罐内,然后在混合罐内加入溶解溶液,然后利用搅拌桨将混合纤维和溶解溶液进行充分结合,搅拌时将氧化石墨烯修饰的环氧改性聚氨酯和改性剂加入其中,混合溶液在搅拌中慢慢溶解,得到纺丝原液,然后对纺丝原液进行过滤,将其中杂质过滤出去;
步骤四、将纺丝原液加入均质机内,并采用紫外线间歇式照射,照射强度为2300-2400μW/cm2,每照射10min,停止15min;
步骤五、送入纺丝机进行湿法纺丝,取出纺丝后经去离子水冲洗至中性,得初生纤维;
步骤六、将初生纤维放置于真空旋转蒸发仪中,温度70-80℃,转速为40-45r/min,干燥至无水分状态,得到防水透气的复合纤维材料。
所述改性剂为聚乙烯醇、聚乙二醇、木质素磺酸钠、聚乙烯吡咯烷酮、丙二腈磺酸盐、钾盐中的一种或几种。
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本发明提到的各个部件为现有领域常见技术,本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。
Claims (3)
1.石墨烯改性聚氨酯环保纤维织品,其特征在于包括聚氨酯纤维、聚乳酸纤维、聚乙烯醇缩丁醛纳米纤维、芳纶纤维,将上述材料经过清洗、过滤、溶解、改性、织造,制得纤维织品。
2.石墨烯改性聚氨酯环保纤维织品生产工艺,其具体步骤为:
步骤一、预处理
将聚乳酸纤维、聚乙烯醇缩丁醛纳米纤维、芳纶纤维用无菌水进行洗涤,混合均匀,在85-90℃的无菌水中软化18-20h,然后取出混合纤维;
步骤二:氧化石墨烯修饰的环氧改性聚氨酯制备
将氧化石墨烯100份加入到10-20倍重量份的含质量分数为8-25%硅烷偶联剂的DMF溶液中,于75-85℃的温度下搅拌反应5-10h,然后通过离心去除上层溶剂收集下层颗粒沉淀,然后用DMF溶液将其进行重悬配置成25-40%的质量分数,在超声仪上超声处理30-50min后,在搅拌的状态下加入50-80份环氧改性聚氨酯乳液,在50-60℃的温度下继续反应2-4h,制得氧化石墨烯修饰的环氧改性聚氨酯;
步骤三、溶解
将上述清洁完毕已经软化的混合纤维倒入混合罐内,然后在混合罐内加入溶解溶液,然后利用搅拌桨将混合纤维和溶解溶液进行充分结合,搅拌时将氧化石墨烯修饰的环氧改性聚氨酯和改性剂加入其中,混合溶液在搅拌中慢慢溶解,得到纺丝原液,然后对纺丝原液进行过滤,将其中杂质过滤出去;
步骤四、将纺丝原液加入均质机内,并采用紫外线间歇式照射,照射强度为2300-2400μW/cm2,每照射10min,停止15min;
步骤五、送入纺丝机进行湿法纺丝,取出纺丝后经去离子水冲洗至中性,得初生纤维;
步骤六、将初生纤维放置于真空旋转蒸发仪中,温度70-80℃,转速为40-45r/min,干燥至无水分状态,得到防水透气的复合纤维材料。
3.按照权利要求2所述的石墨烯改性聚氨酯环保纤维织品生产工艺,其特征在于所述改性剂为聚乙烯醇、聚乙二醇、木质素磺酸钠、聚乙烯吡咯烷酮、丙二腈磺酸盐、钾盐中的一种或几种。
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CN106757508A (zh) * | 2016-11-23 | 2017-05-31 | 浙江华峰氨纶股份有限公司 | 一种芳纶‑氨纶皮芯复合纤维及其制备方法 |
CN106592008A (zh) * | 2016-12-14 | 2017-04-26 | 烟台泰和新材料股份有限公司 | 一种耐热氨纶纤维及其制备方法 |
CN106995946A (zh) * | 2017-02-23 | 2017-08-01 | 南通强生石墨烯科技有限公司 | 石墨烯‑氨纶复合纤维的制备方法 |
CN108421424A (zh) * | 2018-03-05 | 2018-08-21 | 苏州甫众塑胶有限公司 | 一种处理工业废水的纳米纤维膜及其制备方法 |
CN112011854A (zh) * | 2020-09-04 | 2020-12-01 | 江苏金旭针纺织品有限公司 | 一种防水透气的复合纤维材料及制造方法 |
CN113718364A (zh) * | 2021-08-24 | 2021-11-30 | 南通强生石墨烯科技有限公司 | 一种石墨烯高强抗冲击芳纶纤维及其制备方法 |
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