CN105367739A - 一种热塑性复合材料 - Google Patents

一种热塑性复合材料 Download PDF

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CN105367739A
CN105367739A CN201510968553.0A CN201510968553A CN105367739A CN 105367739 A CN105367739 A CN 105367739A CN 201510968553 A CN201510968553 A CN 201510968553A CN 105367739 A CN105367739 A CN 105367739A
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parts
thermoplastic composite
fiber fabric
sodium hydroxide
hexanolactam
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杨磊
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Hefei Zhongnong Biotechnology Co Ltd
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Hefei Zhongnong Biotechnology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/60Polyamides or polyester-amides
    • C08G18/603Polyamides
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/08Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
    • C08G69/14Lactams
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/322Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
    • D06M13/395Isocyanates
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16Synthetic fibres, other than mineral fibres
    • D06M2101/30Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/34Polyamides
    • D06M2101/36Aromatic polyamides

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Reinforced Plastic Materials (AREA)

Abstract

本发明公开了一种热塑性复合材料,按重量份数计,包括25~31份的己内酰胺,23~31份的甲苯二异氰酸酯,21~27份的氢氧化钠,19~23份的格利雅试剂,3~7份的凯夫拉纤维织物,2~5份的硅烷偶联剂。本发明材料利用低粘度的活化单体浸渍凯夫拉纤维织物,然后就地进行了原位聚合制成热塑性复合材料,不仅解决了高粘度树脂熔体浸渍困难的问题,而且可以在增强纤维或其织物排列组合胡原地进行浸渍,得到高韧性抗冲击的热塑性复合材料。

Description

一种热塑性复合材料
技术领域
本发明涉及复合材料领域,尤其涉及一种热塑性复合材料。
背景技术
与热固性复合材料相比,热塑性复合材料有优良的抗冲击性能,易于成型加工、修补和复用,十分有利于环保,深受青睐。目前国内外达到生产规模的热塑性复合材料还只限于短切纤维增强的复合材料和极少量玻璃纤维毡增强的复合材料。其原因是热徐行复合材料较难成型,即热塑性树脂熔体粘度很高,很难均匀分布在增强纤维之中形成复合材料。
发明内容
本发明的目的在于克服现有技术存在的以上问题,提供一种热塑性复合材料,满足市场的基本需求。
为实现上述技术目的,达到上述技术效果,本发明通过以下技术方案实现:
一种热塑性复合材料,按重量份数计,包括25~31份的己内酰胺,23~31份的甲苯二异氰酸酯,21~27份的氢氧化钠,19~23份的格利雅试剂,3~7份的凯夫拉纤维织物,2~5份的硅烷偶联剂。
进一步地,所述氢氧化钠、甲苯二异氰酸酯均为分析纯。
进一步地,所述复合材料制备方法包括以下步骤:将己内酰胺在氩气的保护下减压蒸馏4小时,并与格利雅试剂迅速搅拌均匀形成聚合物;经甲苯二异氰酸酯表面处理过的凯夫拉纤维织物与所述聚合物在150℃下真空烘4小时后铺陈在模具中,加入氢氧化钠与硅烷偶联剂,充分混合均匀后,迅速升温到160℃聚合。
进一步地,所述凯夫拉纤维织物表面还经过固化剂浸渍并在100℃环境下固化。
进一步地,所述己内酰胺在减压蒸馏后加入引发剂继续减压蒸馏10min。
本发明的有益效果是:
本发明材料利用低粘度的活化单体浸渍凯夫拉纤维织物,然后就地进行了原位聚合制成热塑性复合材料,不仅解决了高粘度树脂熔体浸渍困难的问题,而且可以在增强纤维或其织物排列组合胡原地进行浸渍,得到高韧性抗冲击的热塑性复合材料。
具体实施方式
下面将结合实施例,来详细说明本发明。
一种热塑性复合材料,按重量份数计,包括25~31份的己内酰胺,23~31份的甲苯二异氰酸酯,21~27份的氢氧化钠,19~23份的格利雅试剂,3~7份的凯夫拉纤维织物,2~5份的硅烷偶联剂。
其中,氢氧化钠、甲苯二异氰酸酯均为分析纯。
其中,复合材料制备方法包括以下步骤:将己内酰胺在氩气的保护下减压蒸馏4小时,并与格利雅试剂迅速搅拌均匀形成聚合物;经甲苯二异氰酸酯表面处理过的凯夫拉纤维织物与所述聚合物在150℃下真空烘4小时后铺陈在模具中,加入氢氧化钠与硅烷偶联剂,充分混合均匀后,迅速升温到160℃聚合。
其中,凯夫拉纤维织物表面还经过固化剂浸渍并在100℃环境下固化。
其中,己内酰胺在减压蒸馏后加入引发剂继续减压蒸馏10min。
以上显示和描述了本发明的基本原理、主要特征和本发明的优点。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。

Claims (5)

1.一种热塑性复合材料,其特征在于:按重量份数计,包括25~31份的己内酰胺,23~31份的甲苯二异氰酸酯,21~27份的氢氧化钠,19~23份的格利雅试剂,3~7份的凯夫拉纤维织物,2~5份的硅烷偶联剂。
2.根据权利要求1所述的一种热塑性复合材料,其特征在于:所述氢氧化钠、甲苯二异氰酸酯均为分析纯。
3.根据权利要求1所述的一种热塑性复合材料,其特征在于,所述复合材料制备方法包括以下步骤:将己内酰胺在氩气的保护下减压蒸馏4小时,并与格利雅试剂迅速搅拌均匀形成聚合物;经甲苯二异氰酸酯表面处理过的凯夫拉纤维织物与所述聚合物在150℃下真空烘4小时后铺陈在模具中,加入氢氧化钠与硅烷偶联剂,充分混合均匀后,迅速升温到160℃聚合。
4.根据权利要求3所述的一种热塑性复合材料,其特征在于:所述凯夫拉纤维织物表面还经过固化剂浸渍并在100℃环境下固化。
5.根据权利要求3所述的一种热塑性复合材料,其特征在于:所述己内酰胺在减压蒸馏后加入引发剂继续减压蒸馏10min。
CN201510968553.0A 2015-12-22 2015-12-22 一种热塑性复合材料 Pending CN105367739A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106243346A (zh) * 2016-08-19 2016-12-21 邢台中车环保科技有限公司 纤维增强mc尼龙复合材料及其成型方法
CN111098516A (zh) * 2018-10-26 2020-05-05 约翰斯曼维尔公司 热塑性预浸料

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102059808A (zh) * 2009-11-12 2011-05-18 合肥杰事杰新材料有限公司 三角状三维纤维中空织物增强热塑性树脂复合材料的制法
CN103396565A (zh) * 2013-04-27 2013-11-20 深圳航天科技创新研究院 低分子量环状齐聚物复合材料的制备方法
CN104910374A (zh) * 2015-06-23 2015-09-16 航天材料及工艺研究所 连续纤维织物增强阴离子聚酰胺6复合材料的制备方法及该复合材料

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102059808A (zh) * 2009-11-12 2011-05-18 合肥杰事杰新材料有限公司 三角状三维纤维中空织物增强热塑性树脂复合材料的制法
CN103396565A (zh) * 2013-04-27 2013-11-20 深圳航天科技创新研究院 低分子量环状齐聚物复合材料的制备方法
CN104910374A (zh) * 2015-06-23 2015-09-16 航天材料及工艺研究所 连续纤维织物增强阴离子聚酰胺6复合材料的制备方法及该复合材料

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106243346A (zh) * 2016-08-19 2016-12-21 邢台中车环保科技有限公司 纤维增强mc尼龙复合材料及其成型方法
CN111098516A (zh) * 2018-10-26 2020-05-05 约翰斯曼维尔公司 热塑性预浸料

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