CN108978174A - 一种耐热滤袋玻纤及其制备方法 - Google Patents

一种耐热滤袋玻纤及其制备方法 Download PDF

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CN108978174A
CN108978174A CN201810871166.9A CN201810871166A CN108978174A CN 108978174 A CN108978174 A CN 108978174A CN 201810871166 A CN201810871166 A CN 201810871166A CN 108978174 A CN108978174 A CN 108978174A
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孙雪源
凌悦良
谷学荣
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JINGDE YUANYUAN NEW MATERIAL Co Ltd
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Abstract

本发明公开了一种耐热滤袋玻纤，它是由下述重量份的原料组成的：玻璃纤维120‑140、硬脂酸6‑8、三乙醇胺10‑13、双酚A3‑4、乙酰丙酮钙2‑4、甲基纤维素3‑4、己内酰胺30‑40、引发剂0.6‑1、碳酸二甲酯160‑190，本发明通过酯胺与碳酸二甲酯进行季铵化反应，不仅改善了玻纤与聚合物纤维的结合强度，而且赋予了成品纤维很好的抑菌性能，本发明的纤维力学性好，耐热稳定性高，综合性能优越。

Description

一种耐热滤袋玻纤及其制备方法
技术领域
本发明属于材料领域，具体涉及一种耐热滤袋玻纤及其制备方法。
背景技术
玻璃纤维具有绝缘性好、导热系数低、吸音性能强等优异性能，近年来被广泛地应用于航空航天、军事化工等多个领域。在众多高分子复合材料当中，纤维增强复合材料因其具有优良的综合性能，譬如：高抗冲击性、高模量、高机械性能、高耐磨性能等而被人们广泛关注。而玻璃纤维具有良好的耐腐蚀、耐热性能，良好的机械强度，再加上低廉的原料价格等优点，被广泛应用到复合材料当中起到增强目的。由于复合材料是由两种或两种以上的材料通过辅助方法糅合到一起所制得，材料之间往往会因为不同性质而存在相界面，最终会造成因界面层间剪切力发生变化而导致复合材料的性能不佳；因此，如果提高玻璃纤维与有机纤维的复合强度，是目前研究的重点。
发明内容
本发明的目的在于针对现有技术的缺陷和不足，提供一种耐热滤袋玻纤及其制备方法。
为实现上述目的，本发明采用以下技术方案：
一种耐热滤袋玻纤，它是由下述重量份的原料组成的：
玻璃纤维120-140、硬脂酸6-8、三乙醇胺10-13、双酚A3-4、乙酰丙酮钙2-4、甲基纤维素3-4、己内酰胺30-40、引发剂0.6-1、碳酸二甲酯160-190。
所述的引发剂为过氧化二异丙苯。
一种耐热滤袋玻纤的制备方法，包括以下步骤：
(1)取硬脂酸，加入到其重量8-10倍的氯仿中，搅拌均匀，加入玻璃纤维，超声1-2小时，蒸馏除去氯仿，得预处理玻璃纤维；
(2)取三乙醇胺、预处理玻璃纤维混合，加入混合料重量2-3％的对甲基苯磺酸，送入到反应釜中，通入氮气，调节反应釜温度为170-180℃，搅拌反应5-6小时，冷却至常温，得酯胺改性玻璃纤维；
(3)取引发剂，加入到其重量20-30倍的异丙醇中，搅拌均匀；
(4)取乙酰丙酮钙、甲基纤维素、己内酰胺混合，加入到混合料重量3-5倍的二甲基甲酰胺中，搅拌均匀，送入到反应釜中，通入氮气，调节反应釜温度为55-70℃，加入上述引发剂溶液，保温搅拌3-5小时，出料，纺丝，得改性纤维；
(5)取上述改性纤维，与双酚A混合，加入到碳酸二甲酯中，搅拌均匀，升高温度为75-80℃，保温搅拌1-2小时，得纤维分散液；
(6)取上述酯胺改性玻璃纤维，加入到上述纤维分散液中，搅拌均匀，送入到反应釜中，通入氮气，调节反应釜温度为55-60℃，反应37-40小时，出料，旋蒸除去溶剂，常温干燥，即得所述耐热滤袋玻纤。
本发明的优点：
本发明采用硬脂酸处理玻璃纤维，与三乙醇胺共混，以对甲基苯磺酸为催化剂反应，得到酯胺改性玻璃纤维，再以己内酰胺为单体，采用甲基纤维素掺杂，在引发剂作用下聚合，将得到的纤维聚合物纺丝，分散到碳酸二甲酯，与双酚A共混，最后与酯胺改性玻璃纤维共混，通过酯胺与碳酸二甲酯进行季铵化反应，不仅改善了玻纤与聚合物纤维的结合强度，而且赋予了成品纤维很好的抑菌性能，本发明的纤维力学性好，耐热稳定性高，综合性能优越。
具体实施方式
实施例1
一种耐热滤袋玻纤，它是由下述重量份的原料组成的：
玻璃纤维120、硬脂酸6、三乙醇胺10、双酚A3、乙酰丙酮钙2、甲基纤维素3、己内酰胺30、引发剂0.6、碳酸二甲酯160。
所述的引发剂为过氧化二异丙苯。
一种耐热滤袋玻纤的制备方法，包括以下步骤：
(1)取硬脂酸，加入到其重量8倍的氯仿中，搅拌均匀，加入玻璃纤维，超声1小时，蒸馏除去氯仿，得预处理玻璃纤维；
(2)取三乙醇胺、预处理玻璃纤维混合，加入混合料重量2％的对甲基苯磺酸，送入到反应釜中，通入氮气，调节反应釜温度为170℃，搅拌反应5小时，冷却至常温，得酯胺改性玻璃纤维；
(3)取引发剂，加入到其重量20倍的异丙醇中，搅拌均匀；
(4)取乙酰丙酮钙、甲基纤维素、己内酰胺混合，加入到混合料重量3-5倍的二甲基甲酰胺中，搅拌均匀，送入到反应釜中，通入氮气，调节反应釜温度为55℃，加入上述引发剂溶液，保温搅拌3小时，出料，纺丝，得改性纤维；
(5)取上述改性纤维，与双酚A混合，加入到碳酸二甲酯中，搅拌均匀，升高温度为75℃，保温搅拌1小时，得纤维分散液；
(6)取上述酯胺改性玻璃纤维，加入到上述纤维分散液中，搅拌均匀，送入到反应釜中，通入氮气，调节反应釜温度为55℃，反应37小时，出料，旋蒸除去溶剂，常温干燥，即得所述耐热滤袋玻纤。
实施例2
一种耐热滤袋玻纤，它是由下述重量份的原料组成的：
玻璃纤维140、硬脂酸8、三乙醇胺13、双酚A4、乙酰丙酮钙4、甲基纤维素4、己内酰胺40、引发剂1、碳酸二甲酯190。
所述的引发剂为过氧化二异丙苯。
一种耐热滤袋玻纤的制备方法，包括以下步骤：
(1)取硬脂酸，加入到其重量10倍的氯仿中，搅拌均匀，加入玻璃纤维，超声2小时，蒸馏除去氯仿，得预处理玻璃纤维；
(2)取三乙醇胺、预处理玻璃纤维混合，加入混合料重量3％的对甲基苯磺酸，送入到反应釜中，通入氮气，调节反应釜温度为180℃，搅拌反应6小时，冷却至常温，得酯胺改性玻璃纤维；
(3)取引发剂，加入到其重量30倍的异丙醇中，搅拌均匀；
(4)取乙酰丙酮钙、甲基纤维素、己内酰胺混合，加入到混合料重量5倍的二甲基甲酰胺中，搅拌均匀，送入到反应釜中，通入氮气，调节反应釜温度为70℃，加入上述引发剂溶液，保温搅拌5小时，出料，纺丝，得改性纤维；
(5)取上述改性纤维，与双酚A混合，加入到碳酸二甲酯中，搅拌均匀，升高温度为80℃，保温搅拌2小时，得纤维分散液；
(6)取上述酯胺改性玻璃纤维，加入到上述纤维分散液中，搅拌均匀，送入到反应釜中，通入氮气，调节反应釜温度为60℃，反应40小时，出料，旋蒸除去溶剂，常温干燥，即得所述耐热滤袋玻纤。
性能测试：
将本发明实施例1、实施例2的耐热滤袋玻纤、市售玻璃纤维分别在250℃下加热60min、100min，测拉伸强度降低率、断裂伸长率降低率：
本发明实施例1的耐热滤袋玻纤的拉伸强度降低率为4.7％、断裂伸长率降低率为6.1％；
本发明实施例2的耐热滤袋玻纤的拉伸强度降低率为5.2％、断裂伸长率降低率为6.9％；
市售玻璃纤维的拉伸强度降低率为10.5％、断裂伸长率降低率为13.3％。

Claims (3)

1.一种耐热滤袋玻纤，其特征在于，它是由下述重量份的原料组成的：
玻璃纤维120-140、硬脂酸6-8、三乙醇胺10-13、双酚A3-4、乙酰丙酮钙2-4、甲基纤维素3-4、己内酰胺30-40、引发剂0.6-1、碳酸二甲酯160-190。
2.根据权利要求1所述的一种耐热滤袋玻纤，其特征在于，所述的引发剂为过氧化二异丙苯。
3.一种如权利要求1所述耐热滤袋玻纤的制备方法，其特征在于，包括以下步骤：
(1)取硬脂酸，加入到其重量8-10倍的氯仿中，搅拌均匀，加入玻璃纤维，超声1-2小时，蒸馏除去氯仿，得预处理玻璃纤维；
(2)取三乙醇胺、预处理玻璃纤维混合，加入混合料重量2-3％的对甲基苯磺酸，送入到反应釜中，通入氮气，调节反应釜温度为170-180℃，搅拌反应5-6小时，冷却至常温，得酯胺改性玻璃纤维；
(3)取引发剂，加入到其重量20-30倍的异丙醇中，搅拌均匀；
(4)取乙酰丙酮钙、甲基纤维素、己内酰胺混合，加入到混合料重量3-5倍的二甲基甲酰胺中，搅拌均匀，送入到反应釜中，通入氮气，调节反应釜温度为55-70℃，加入上述引发剂溶液，保温搅拌3-5小时，出料，纺丝，得改性纤维；
(5)取上述改性纤维，与双酚A混合，加入到碳酸二甲酯中，搅拌均匀，升高温度为75-80℃，保温搅拌1-2小时，得纤维分散液；
(6)取上述酯胺改性玻璃纤维，加入到上述纤维分散液中，搅拌均匀，送入到反应釜中，通入氮气，调节反应釜温度为55-60℃，反应37-40小时，出料，旋蒸除去溶剂，常温干燥，即得所述耐热滤袋玻纤。
CN201810871166.9A 2018-08-02 2018-08-02 一种耐热滤袋玻纤及其制备方法 Pending CN108978174A (zh)

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CN112778494A (zh) * 2021-01-26 2021-05-11 安徽博琛生物科技有限公司 一种多纤维复合可降解环保餐具及其制备方法

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