CN108912451A - 纤维增强聚乙烯复合材料及其制备方法 - Google Patents

纤维增强聚乙烯复合材料及其制备方法 Download PDF

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CN108912451A
CN108912451A CN201810706305.2A CN201810706305A CN108912451A CN 108912451 A CN108912451 A CN 108912451A CN 201810706305 A CN201810706305 A CN 201810706305A CN 108912451 A CN108912451 A CN 108912451A
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李英霞
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Abstract

木发明涉及一种纤维增强聚乙烯复合材料及其制备方法，属于高分子材料技术领域。解决了如何提供一种纤维增强聚乙烯复合材料及其制备方法的技术问题。本发明的复合材料，由50‑60重量份高密度聚乙烯、20‑30重量份低密度聚乙烯、3‑5重量份聚乙烯接枝马来酸、6‑8重量份乙烯基硅烷偶联剂、1‑2.5重量份抗氧剂、2‑4重量份聚酰亚胺纤维、3‑7重量份玻璃纤维、2‑3重量份环氧大豆油、1‑2重量份白炭黑、1‑3重量份碳化硼粉、1‑1.5重量份氢氧化铝和2‑5重量份硬脂酸组成。该纤维增强聚乙烯复合材料具有优异的机械强度，经实验检测，其弯曲强度为150MPa以上，拉伸强度在400MPa以上。

Description

纤维增强聚乙烯复合材料及其制备方法
技术领域
木发明属于高分子材料技术领域，具体涉及一种纤维增强聚乙烯复合材料及其制备方法。
背景技术
聚乙烯(PE)是应用最广泛也是产量最大的合成树脂之一，主要应用于工农业生产及人类生活的各个方面。聚乙烯种类繁多，按照分子量的不同可以分为:低分子量聚乙烯、普通分子量聚乙烯和超高分子量聚乙烯。超高分子量聚乙烯是一种分子量在150万以上的、线性结构的、具有优异的耐摩擦性、耐冲击性、自润滑性、耐化学药品性、耐低温、卫生无毒、拉伸强度高等性能的热塑性工程塑料，在工业、农业、医疗、建筑、化工和国防等领域应用广泛。
但随着科技的日益发展，和人们对更高品质的追求，人们对聚乙烯性能的需求也日趋提高，因此发明提供一种纤维增强聚乙烯复合材料及其制备方法。
发明内容
本发明的目的是如何提供一种纤维增强聚乙烯复合材料及其制备方法。
本发明解决上述技术问题采取的技术方案如下。
纤维增强聚乙烯复合材料，组成及重量份为：
优选的是，所述低密度聚乙烯的聚合度为150-200，结晶度75-90％。
优选的是，所述高聚合度聚乙烯的聚合度为1800-2000，结晶度65-75％。
优选的是，所述马来酸配接枝聚乙烯的接枝率为0.5-1.5％。
优选的是，所述抗氧剂为抗氧剂1010、抗氧剂730、抗氧剂1076、抗氧剂1680中的一种或多种。
上述纤维增强聚乙烯复合材料的制备方法，步骤如下：
按照组成及重量份称取各组分，搅拌混合均匀后，加入挤出机挤出、牵引和造粒，得到纤维增强聚乙烯复合材料。
优选的是，搅拌转速为20000-30000r/min，挤出温度为180-280℃。
与现有技术相比，本发明的有益效果：
本发明的纤维增强聚乙烯复合材料具有优异的机械强度，经实验检测，其弯曲强度为150MPa以上，拉伸强度在400MPa以上。
具体实施方式
为了进一步理解本发明，下面结合实施例对本发明优选实施方案进行描述，但是应当理解，这些描述只是为进一步说明本发明的特征和优点，而不是对本发明权利要求的限制。
本发明的纤维增强聚乙烯复合材料，由50-60重量份高密度聚乙烯、20-30重量份低密度聚乙烯、3-5重量份聚乙烯接枝马来酸、6-8重量份乙烯基硅烷偶联剂、1-2.5重量份抗氧剂、2-4重量份聚酰亚胺纤维、3-7重量份玻璃纤维、2-3重量份环氧大豆油、1-2重量份白炭黑、1-3重量份碳化硼粉、1-1.5重量份氢氧化铝和2-5重量份硬脂酸组成。
本发明中，低密度聚乙烯的聚合度为150-200，结晶度75-90％。
本发明中，高聚合度聚乙烯的聚合度为1800-2000，结晶度65-75％。
本发明中，马来酸配接枝聚乙烯的接枝率为0.5-1.5％。
本发明中，抗氧剂为抗氧剂1010、抗氧剂730、抗氧剂1076、抗氧剂1680中的一种或多种。
本发明还提供上述纤维增强聚乙烯复合材料的制备方法，步骤如下：
按照组成及重量份称取各组分，搅拌混合均匀后，加入挤出机挤出、牵引和造粒，得到纤维增强聚乙烯复合材料，优选搅拌转速为20000-30000r/min，挤出温度为180-280℃。
以下结合实施例进一步说明本发明。实施例中，低密度聚乙烯的聚合度为180，结晶度80％，高聚合度聚乙烯的聚合度为2000，结晶度65％，马来酸配接枝聚乙烯的接枝率为1％。
实施例1
纤维增强聚乙烯复合材料，由50重量份高密度聚乙烯、20重量份低密度聚乙烯、3重量份聚乙烯接枝马来酸、6重量份乙烯基硅烷偶联剂、1重量份抗氧剂1010、2重量份聚酰亚胺纤维、3重量份玻璃纤维、2重量份环氧大豆油、1重量份白炭黑、1重量份碳化硼粉、1重量份氢氧化铝和2重量份硬脂酸组成。
上述纤维增强聚乙烯复合材料的制备方法，步骤如下：
按照组成及重量份称取各组分，搅拌混合均匀后，加入挤出机挤出、牵引和造粒，得到纤维增强聚乙烯复合材料，挤出温度为180-240℃。
经检测，实施例1的复合材料的拉伸强度为400MPa，弯曲强度为MPa150MPa。
实施例2
纤维增强聚乙烯复合材料，由55重量份高密度聚乙烯、25重量份低密度聚乙烯、4重量份聚乙烯接枝马来酸、7重量份乙烯基硅烷偶联剂、2重量份抗氧剂1010、3重量份聚酰亚胺纤维、5重量份玻璃纤维、2重量份环氧大豆油、1.5重量份白炭黑、2重量份碳化硼粉、1重量份氢氧化铝和4重量份硬脂酸组成。
上述纤维增强聚乙烯复合材料的制备方法，步骤如下：
按照组成及重量份称取各组分，搅拌混合均匀后，加入挤出机挤出、牵引和造粒，得到纤维增强聚乙烯复合材料，挤出温度为200-240℃。
经检测，实施例1的复合材料的拉伸强度为410MPa，弯曲强度为MPa155MPa。
实施例3
纤维增强聚乙烯复合材料，由60重量份高密度聚乙烯、30重量份低密度聚乙烯、5重量份聚乙烯接枝马来酸、8重量份乙烯基硅烷偶联剂、2.5重量份抗氧剂、4重量份聚酰亚胺纤维、7重量份玻璃纤维、3重量份环氧大豆油、2重量份白炭黑、3重量份碳化硼粉、1.5重量份氢氧化铝和5重量份硬脂酸组成。
上述纤维增强聚乙烯复合材料的制备方法，步骤如下：
按照组成及重量份称取各组分，搅拌混合均匀后，加入挤出机挤出、牵引和造粒，得到纤维增强聚乙烯复合材料，挤出温度为200-260℃。
经检测，实施例1的复合材料的拉伸强度为420MPa，弯曲强度为159MPa。
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其它实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (7)

1.纤维增强聚乙烯复合材料，其特征在于，组成及重量份为：
2.根据权利要求1所述的纤维增强聚乙烯复合材料，其特征在于，所述低密度聚乙烯的聚合度为150-200，结晶度75-90％。
3.根据权利要求1所述的纤维增强聚乙烯复合材料，其特征在于，所述高聚合度聚乙烯的聚合度为1800-2000，结晶度65-75％。
4.根据权利要求1所述的纤维增强聚乙烯复合材料，其特征在于，所述马来酸配接枝聚乙烯的接枝率为0.5-1.5％。
5.根据权利要求1所述的纤维增强聚乙烯复合材料，其特征在于，所述抗氧剂为抗氧剂1010、抗氧剂730、抗氧剂1076、抗氧剂1680中的一种或多种。
6.权利要求1-5任何一项所述的纤维增强聚乙烯复合材料的制备方法其特征在于，步骤如下：
按照组成及重量份称取各组分，搅拌混合均匀后，加入挤出机挤出、牵引和造粒，得到纤维增强聚乙烯复合材料。
7.根据权利要求6所述的纤维增强聚乙烯复合材料的制备方法，其特征在于，，搅拌转速为20000-30000r/min，挤出温度为180-280℃。
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Cited By (2)

* Cited by examiner, † Cited by third party
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CN114044997A (zh) * 2021-12-18 2022-02-15 永高股份有限公司 一种玻璃纤维增强热塑性管道用的聚乙烯复合材料
CN115197490A (zh) * 2022-07-25 2022-10-18 泛海海工(山东)智能装备有限公司 一种船用增强聚乙烯材料、制备方法及应用

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114044997A (zh) * 2021-12-18 2022-02-15 永高股份有限公司 一种玻璃纤维增强热塑性管道用的聚乙烯复合材料
CN114044997B (zh) * 2021-12-18 2022-12-02 公元股份有限公司 一种玻璃纤维增强热塑性管道用的聚乙烯复合材料
WO2023108805A1 (zh) * 2021-12-18 2023-06-22 公元股份有限公司 一种玻璃纤维增强热塑性管道用的聚乙烯复合材料
CN115197490A (zh) * 2022-07-25 2022-10-18 泛海海工(山东)智能装备有限公司 一种船用增强聚乙烯材料、制备方法及应用

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Application publication date: 20181130