CN107780215A - 一种多功能复合纤维 - Google Patents

一种多功能复合纤维 Download PDF

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CN107780215A
CN107780215A CN201711152466.3A CN201711152466A CN107780215A CN 107780215 A CN107780215 A CN 107780215A CN 201711152466 A CN201711152466 A CN 201711152466A CN 107780215 A CN107780215 A CN 107780215A
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composite fiber
multifunctional composite
fiber according
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龚建华
金晓峰
张铁兵
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Jiangsu Hongtai Fiber Technology Co Ltd
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Abstract

本发明公开了一种多功能复合纤维，其配方如下：聚己内酯纤维30‑70份、碳化硅纤维10‑18份、铜氨纤维2‑9份、改性有机硅树脂1‑7份、溶剂40‑90份、增稠剂1‑6份、渗透剂1‑8份、促进剂1‑7份。本发明的高强度纤维具有强度高，抗腐蚀性能强、柔韧性好等特点。

Description

一种多功能复合纤维
技术领域
本发明属于纤维过滤技术领域，具体涉及一种多功能复合纤维。
背景技术
陶瓷纤维是一种纤维状轻质耐火材料，具有重量轻、耐高温、热稳定性好、导热率低、比热小及耐机械震动等优点，因而在机械、冶金、化工、石油、陶瓷、玻璃、电子等行业都得到了广泛的应用。
纺丝为制造化学纤维的一道工序，将某些高分子化合物制成胶体溶液或熔化成熔体后由喷丝头细孔压出形成化学纤维的过程，主要包括溶液纺丝和熔体纺丝两大类。其中，熔融纺丝是一种使用成熟的纺丝方法。熔融纺丝法又分为聚合法、共混纺丝法、皮芯复合纺丝法。
随着各行各业的飞速发展，对工业用纤维的要求越来越高，尤其要求其具有良好的强度和抗腐蚀性能。
发明内容
本发明的目的是提供一种多功能复合纤维，本发明的高强度纤维具有强度高，抗腐蚀性能强、柔韧性好等特点。
一种多功能复合纤维，其配方如下：聚己内酯纤维30-70份、碳化硅纤维10-18份、铜氨纤维2-9份、改性有机硅树脂1-7份、溶剂40-90份、增稠剂1-6份、渗透剂1-8份、促进剂1-7份。
所述溶剂采用乙醇、丙醇、异丙醇、聚乙二醇、二甲基乙酰胺中的一种。
所述增稠剂采用聚丙烯酰胺、聚乙烯醇、聚丙烯酸酯共聚乳液中的一种。
所述渗透剂采用脂肪醇聚氧乙烯醚、烷基酚聚氧乙烯醚、琥珀酸烷基酯磺酸钠中的一种。
所述促进剂采用四甲基硫脲、乙酰丙酮钒、乙酰丙酮、三苯基膦、苄基二甲胺中的一种。
所述高强度复合纤维的制备方法，其步骤如下：
步骤1，将碳化硅纤维和铜氨纤维进行粉碎化处理，得到纳米纤维；
步骤2，将纳米纤维放入高压反应釜中，加入溶剂，混合均匀；
步骤3，添加改性有机硅树脂、增稠剂和促进剂， 密封加压搅拌反应；
步骤4，将渗透剂和聚己内酯纤维放入反应釜中，然后密闭曝气反应，晾干，得到高强度前驱纤维；
步骤5，将高强度前驱纤维放置高压釜中，在临界条件下，加热加压氧化反应，得到高强度复合纤维。
所述步骤1中的碎化处理采用机械粉碎法。
所述步骤3中加压搅拌反应的搅拌速度为1000-2000r/min，所述加压压力为2-5kPa，所述反应时间为20-40min。
所述步骤4中的密闭曝气反应时间为35-85min，曝气气体为甲醚与氮气混合气体，所述甲醚与氮气配比为0.5-2.8。
所述步骤5中的临界气体采用氧气含量为40%的空气、氧气含量为60%的氮气混合气、氧气含量为60%的惰性气混合气中的一种，所述压力达到5-30 MPa，恒压饱和0.5-4h，温度为140-250℃。
与现有技术相比，本发明具有以下有益效果：
1、本发明的高强度纤维具有强度高，抗腐蚀性能强、柔韧性好等特点。
2、本发明的方法工艺简单，原料易得，适合工业化生产。可广泛用于机械、冶金、化工、石油、陶瓷、玻璃、电子等行业。
3、本发明采用临界氧化法将碳化硅纤维与铜氨纤维固定在聚己内酯纤维，具有良好的连接效果，硅键连接相对稳健，寿命长，体现出良好的力学性能、热稳定性并保留了铜氨纤维的优异性能。
具体实施方式
下面结合实施例对本发明做进一步描述：
实施例1
一种多功能复合纤维，其配方如下：聚己内酯纤维55份、碳化硅纤维15份、铜氨纤维3份、改性有机硅树脂3份、溶剂50份、增稠剂2份、渗透剂1份、促进剂2份。
所述溶剂采用乙醇。
所述增稠剂采用聚丙烯酰胺。
所述渗透剂采用脂肪醇聚氧乙烯醚。
所述促进剂采用四甲基硫脲。
所述高强度复合纤维的制备方法，其步骤如下：
步骤1，将碳化硅纤维和铜氨纤维进行粉碎化处理，得到纳米纤维；
步骤2，将纳米纤维放入高压反应釜中，加入溶剂，混合均匀；
步骤3，添加改性有机硅树脂、增稠剂和促进剂， 密封加压搅拌反应；
步骤4，将渗透剂和聚己内酯纤维放入反应釜中，然后密闭曝气反应，晾干，得到高强度前驱纤维；
步骤5，将高强度前驱纤维放置高压釜中，在临界条件下，加热加压氧化反应，得到高强度复合纤维。
所述步骤1中的碎化处理采用机械粉碎法。
所述步骤3中加压搅拌反应的搅拌速度为1000r/min，所述加压压力为2kPa，所述反应时间为20min。
所述步骤4中的密闭曝气反应时间为35min，曝气气体为甲醚与氮气混合气体，所述甲醚与氮气配比为0.5。
所述步骤5中的临界气体采用氧气含量为40%的空气，所述压力达到5MPa，恒压饱和0.5h，温度为140℃。
实施例2
一种多功能复合纤维，其配方如下：聚己内酯纤维50份、碳化硅纤维15份、铜氨纤维7份、改性有机硅树脂7份、溶剂70份、增稠剂3份、渗透剂3份、促进剂5份。
所述溶剂采用聚乙二醇。
所述增稠剂采用聚乙烯醇。
所述渗透剂采用脂肪醇聚氧乙烯醚、烷基酚聚氧乙烯醚、琥珀酸烷基酯磺酸钠中的一种。
所述促进剂采用乙酰丙酮钒。
所述高强度复合纤维的制备方法，其步骤如下：
步骤1，将碳化硅纤维和铜氨纤维进行粉碎化处理，得到纳米纤维；
步骤2，将纳米纤维放入高压反应釜中，加入溶剂，混合均匀；
步骤3，添加改性有机硅树脂、增稠剂和促进剂， 密封加压搅拌反应；
步骤4，将渗透剂和聚己内酯纤维放入反应釜中，然后密闭曝气反应，晾干，得到高强度前驱纤维；
步骤5，将高强度前驱纤维放置高压釜中，在临界条件下，加热加压氧化反应，得到高强度复合纤维。
所述步骤1中的碎化处理采用机械粉碎法。
所述步骤3中加压搅拌反应的搅拌速度为2000r/min，所述加压压力为5kPa，所述反应时间为40min。
所述步骤4中的密闭曝气反应时间为85min，曝气气体为甲醚与氮气混合气体，所述甲醚与氮气配比为2.8。
所述步骤5中的临界气体采用氧气含量为60%的氮气混合气，所述压力达到30MPa，恒压饱和4h，温度为250℃。
实施例3
一种多功能复合纤维，其配方如下：聚己内酯纤维60份、碳化硅纤维16份、铜氨纤维6份、改性有机硅树脂3份、溶剂70份、增稠剂3份、渗透剂2份、促进剂4份。
所述溶剂采用二甲基乙酰胺。
所述增稠剂采用聚丙烯酸酯共聚乳液。
所述渗透剂采用琥珀酸烷基酯磺酸钠。
所述促进剂采用苄基二甲胺。
所述高强度复合纤维的制备方法，其步骤如下：
步骤1，将碳化硅纤维和铜氨纤维进行粉碎化处理，得到纳米纤维；
步骤2，将纳米纤维放入高压反应釜中，加入溶剂，混合均匀；
步骤3，添加改性有机硅树脂、增稠剂和促进剂， 密封加压搅拌反应；
步骤4，将渗透剂和聚己内酯纤维放入反应釜中，然后密闭曝气反应，晾干，得到高强度前驱纤维；
步骤5，将高强度前驱纤维放置高压釜中，在临界条件下，加热加压氧化反应，得到高强度复合纤维。
所述步骤1中的碎化处理采用机械粉碎法。
所述步骤3中加压搅拌反应的搅拌速度为1700r/min，所述加压压力为4kPa，所述反应时间为30min。
所述步骤4中的密闭曝气反应时间为65min，曝气气体为甲醚与氮气混合气体，所述甲醚与氮气配比为2.1。
所述步骤5中的临界气体采用氧气含量为60%的惰性气混合气，所述压力达到24MPa，恒压饱和3.3h，温度为220℃。
实施例1-3的实施例催化效果如下：
以上所述仅为本发明的一实施例，并不限制本发明，凡采用等同替换或等效变换的方式所获得的技术方案，均落在本发明的保护范围内。

Claims (10)

1.一种多功能复合纤维，其特征在于，其配方如下：聚己内酯纤维30-70份、碳化硅纤维10-18份、铜氨纤维2-9份、改性有机硅树脂1-7份、溶剂40-90份、增稠剂1-6份、渗透剂1-8份、促进剂1-7份。
2.根据权利要求书1所述的一种多功能复合纤维，其特征在于，所述溶剂采用乙醇、丙醇、异丙醇、聚乙二醇、二甲基乙酰胺中的一种。
3.根据权利要求书1所述的一种多功能复合纤维，其特征在于，所述增稠剂采用聚丙烯酰胺、聚乙烯醇、聚丙烯酸酯共聚乳液中的一种。
4.根据权利要求书1所述的一种多功能复合纤维，其特征在于，所述渗透剂采用脂肪醇聚氧乙烯醚、烷基酚聚氧乙烯醚、琥珀酸烷基酯磺酸钠中的一种。
5.根据权利要求书1所述的一种多功能复合纤维，其特征在于，所述促进剂采用四甲基硫脲、乙酰丙酮钒、乙酰丙酮、三苯基膦、苄基二甲胺中的一种。
6.根据权利要求书1所述的一种多功能复合纤维，其特征在于，所述高强度复合纤维的制备方法，其步骤如下：
步骤1，将碳化硅纤维和铜氨纤维进行粉碎化处理，得到纳米纤维；
步骤2，将纳米纤维放入高压反应釜中，加入溶剂，混合均匀；
步骤3，添加改性有机硅树脂、增稠剂和促进剂， 密封加压搅拌反应；
步骤4，将渗透剂和聚己内酯纤维放入反应釜中，然后密闭曝气反应，晾干，得到高强度前驱纤维；
步骤5，将高强度前驱纤维放置高压釜中，在临界条件下，加热加压氧化反应，得到高强度复合纤维。
7.根据权利要求书6所述的一种多功能复合纤维，其特征在于，所述步骤1中的碎化处理采用机械粉碎法。
8.根据权利要求书6所述的一种多功能复合纤维，其特征在于，所述步骤3中加压搅拌反应的搅拌速度为1000-2000r/min，所述加压压力为2-5kPa，所述反应时间为20-40min。
9.根据权利要求书6所述的一种多功能复合纤维，其特征在于，所述步骤4中的密闭曝气反应时间为35-85min，曝气气体为甲醚与氮气混合气体，所述甲醚与氮气配比为0.5-2.8。
10.根据权利要求书6所述的一种多功能复合纤维，其特征在于，所述步骤5中的临界气体采用氧气含量为40%的空气、氧气含量为60%的氮气混合气、氧气含量为60%的惰性气混合气中的一种，所述压力达到5-30 MPa，恒压饱和0.5-4h，温度为140-250℃。
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CN109487371A (zh) * 2018-12-19 2019-03-19 长春安旨科技有限公司 一种高强高韧纤维及其制备方法

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CN106222790A (zh) * 2016-08-31 2016-12-14 甘婷 一种高强度复合纤维

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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