CN107904948A - 一种高强高模聚乙烯纤维及其制造工艺 - Google Patents

一种高强高模聚乙烯纤维及其制造工艺 Download PDF

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CN107904948A
CN107904948A CN201711204119.0A CN201711204119A CN107904948A CN 107904948 A CN107904948 A CN 107904948A CN 201711204119 A CN201711204119 A CN 201711204119A CN 107904948 A CN107904948 A CN 107904948A
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邹建飞
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Jiangsu Goldman Sachs Polymer New Materials Co Ltd
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Abstract

本发明公开了一种高强高模聚乙烯纤维，其配方包括以下重量份数的各组分：纳米碳酸钙45～60份、黄藤素20～35份、粒径5‑15μm的硝化纤维25～30份、马来酸酐20～30份、聚乙烯10～18份、纳米膨润土6～10份、海泡石5～8份、聚四氟乙烯25～30份、苯骈三氮唑20～30份、酰胺类化合物三醋酸酯12～16份、酰胺类化合物8～12份、线型酚醛树脂8～10份以及若干助剂；本发明的高强高模聚乙烯纤维可以在聚乙烯纤维复合线表面形成一层致密而坚硬的涂层，起到高强度，高耐磨，耐高温、耐腐蚀、抗老化的作用，从而提高聚乙烯纤维复合线的密封性能，并且有效延长聚乙烯纤维复合线的使用寿命，并且扩大了聚乙烯纤维复合线的使用范围。

Description

一种高强高模聚乙烯纤维及其制造工艺
技术领域
本发明涉及一种高强高模聚乙烯纤维及其制造工艺。
背景技术
高强高模聚乙烯纤维复合线(PE-C)，顾名思义，它由高强高模聚乙烯纤维经特殊工艺和新型基体树脂复合而成，高强高模聚乙烯(UHMWPE)是聚乙烯材料(PE)的一种。高强高模聚乙烯纤维是世界上比强度、比模量最高的纤维。PE-C复合率高达90%，而经特殊工艺和新型复合材料制成复合线复合强度高，提高纤维应力的传递。原高强高模聚乙烯纤维在无复合情况下密实成束后由于纤维单丝横截面不规则形状纤维密实度一般只有85%左右，有15%的空隙率。复合率达85%的高强高模聚乙烯纤维复合线增加强度而不增加原纤维的粗度(体积)。在高性能复合材料方面显示出极大的优势.
近年来，利用纳米物质进行材料改性加工的研究越来越多，但应用于聚乙烯纤维复合线材料方面的报道很少，因此我们可以利用纳米物质对聚乙烯纤维复合线材料进行改性，以期获得密封性、抗老化性、抗腐蚀性、防翘曲等性能优异的聚乙烯纤维复合线复合材料。
发明内容
本发明要解决的技术问题是克服现有聚乙烯纤维复合线材料的强度低，耐磨性、防腐性和抗氧化效果差的缺陷，提供一种高强高模聚乙烯纤维及其制造工艺。
为了解决上述技术问题，本发明提供了如下的技术方案：
一种高强高模聚乙烯纤维，其配方包括以下重量份数的各组分：
纳米碳酸钙 45～60 份、黄藤素20～35份、粒径5-15μm 的硝化纤维25～30 份、马来酸酐20～30份、聚乙烯10～18份、纳米膨润土 6～10 份、聚乙烯醇5～8份、氧化铝4～8份、腐殖酸3～5 份、丙三醇脂共聚物3～5 份、海泡石 5～8 份、精制石蜡油 2～3 份、聚四氟乙烯 25～30 份、苯骈三氮唑20～30份、酰胺类化合物三醋酸酯 12～16 份、酰胺类化合物8～12份、线型酚醛树脂 8～10 份、亚磷酸酯 3～5 份、纳米钛白粉3～6 份、邻羟基苯甲酸苯酯 3～6份、硬脂酸 2～3 份、甲基异噻唑啉酮3～5份、聚酯 1～2 份、热塑性聚氨酯弹性体 1～2 份、松香0.5～1份。
进一步的，一种高强高模聚乙烯纤维，其配方包括以下重量份数的各组分：
纳米碳酸钙 50～55 份、黄藤素25～30份、粒径5-15μm 的硝化纤维28 份、马来酸酐24～26份、聚乙烯12～16份、纳米膨润土8份、聚乙烯醇6份、氧化铝6份、腐殖酸4份、丙三醇脂共聚物4 份、海泡石 6份、精制石蜡油 2～3 份、聚四氟乙烯 28份、苯骈三氮唑24～26份、酰胺类化合物三醋酸酯 14 份、酰胺类化合物10份、线型酚醛树脂 8份、亚磷酸酯 4 份、纳米钛白粉5份、邻羟基苯甲酸苯酯 4～6份、硬脂酸 2～3 份、甲基异噻唑啉酮4份、聚酯 1～2 份、热塑性聚氨酯弹性体 1～2 份、松香0.5～1份。
优选的，所述纳米碳酸钙的粒径为 30～50纳米。
一种高强高模聚乙烯纤维的制造工艺，包括以下几个步骤：
(1)向高速混合机中加入纳米膨润土、聚乙烯醇和氧化铝、精制石蜡油和酰胺类化合物升温至 65～80℃后用超声波发生器中充分混合10～15min，再加入纳米碳酸钙、黄藤素、粒径5-15μm 的硝化纤维、马来酸酐、聚乙烯、丙三醇脂共聚物、海泡石继续用超声波发生器中充分混合 10-15min 得混合物 I ；优选的，超声波发生器的功率为1.2KW～1.5KW，时间 5～15 分钟，工作方式为间歇式工作，每工作 30秒，暂停 30 秒；
(2) 将混合物 I加入到砂磨机中，砂磨20～60min后得混合物 II ；优选的，砂磨至细度小于 10um；
(3) 先将聚四氟乙烯、苯骈三氮唑、酰胺类化合物三醋酸酯、线型酚醛树脂、亚磷酸酯、硬脂酸、聚酯、腐殖酸加入到高速混合机中，混合10-15min后再加入混合物 II，然后升温至75-80℃，保温 15-20min后开始自然冷却降温，当温度降至 35-40℃后再加入纳米钛白粉、邻羟基苯甲酸苯酯、甲基异噻唑啉酮、热塑性聚氨酯弹性体和松香继续混合 20-25min，即得混合物 III ；
(4) 将混合物 III 经挤出机在 90-100℃下挤压成片，冷却破碎后加入到粉碎机中，粉碎后的粉末颗粒经 180 目筛过筛，即得成品。
本发明的高强高模聚乙烯纤维，选用纳米碳酸钙、黄藤素、粒径5-15μm 的硝化纤维、马来酸酐作为主要材料同时加入各种助剂对聚四氟乙烯和苯骈三氮唑进行改性，得到的复合材料可以在在聚乙烯纤维复合线表面形成一层致密而坚硬的涂层，起到高强度，高耐磨，耐高温、耐腐蚀、抗老化、防翘曲的作用，从而提高聚乙烯纤维复合线的密封性能，并且有效延长聚乙烯纤维复合线的使用寿命，并且扩大了聚乙烯纤维复合线的使用范围。
具体实施方式
以下对本发明的优选实施例进行说明，应当理解，此处所描述的优选实施例仅用于说明和解释本发明，并不用于限定本发明。
实施例1
一种高强高模聚乙烯纤维，其配方包括以下重量份数的各组分：
纳米碳酸钙 45份、黄藤素35份、粒径5-15μm 的硝化纤维25 份、马来酸酐30份、聚乙烯10份、纳米膨润土 10 份、聚乙烯醇5份、氧化铝8份、腐殖酸3 份、丙三醇脂共聚物5 份、海泡石 5份、精制石蜡油 3 份、聚四氟乙烯 25份、苯骈三氮唑30份、酰胺类化合物三醋酸酯12份、酰胺类化合物12份、线型酚醛树脂 8份、亚磷酸酯 5 份、纳米钛白粉3 份、邻羟基苯甲酸苯酯 6份、硬脂酸 2 份、甲基异噻唑啉酮5份、聚酯 1份、热塑性聚氨酯弹性体2 份、松香0.5份。
一种高强高模聚乙烯纤维的制造工艺，包括以下几个步骤：
(1)向高速混合机中加入纳米膨润土、聚乙烯醇和氧化铝、精制石蜡油和酰胺类化合物升温至 65～80℃后用超声波发生器中充分混合10～15min，再加入纳米碳酸钙、黄藤素、粒径5-15μm 的硝化纤维、马来酸酐、聚乙烯、丙三醇脂共聚物、海泡石继续用超声波发生器中充分混合 10-15min 得混合物 I ；
(2) 将混合物 I加入到砂磨机中，砂磨20～60min后得混合物 II ；
(3) 先将聚四氟乙烯、苯骈三氮唑、酰胺类化合物三醋酸酯、线型酚醛树脂、亚磷酸酯、硬脂酸、聚酯、腐殖酸加入到高速混合机中，混合10-15min后再加入混合物 II，然后升温至75-80℃，保温 15-20min后开始自然冷却降温，当温度降至 35-40℃后再加入纳米钛白粉、邻羟基苯甲酸苯酯、甲基异噻唑啉酮、热塑性聚氨酯弹性体和松香继续混合 20-25min，即得混合物 III ；
(4) 将混合物 III 经挤出机在 90-100℃下挤压成片，冷却破碎后加入到粉碎机中，粉碎后的粉末颗粒经 180 目筛过筛，即得成品。
实施例2
一种高强高模聚乙烯纤维，其配方包括以下重量份数的各组分：
纳米碳酸钙 60 份、黄藤素20份、粒径5-15μm 的硝化纤维30 份、马来酸酐20份、聚乙烯18份、纳米膨润土 6 份、聚乙烯醇8份、氧化铝4份、腐殖酸5 份、丙三醇脂共聚物3 份、海泡石 8 份、精制石蜡油 2 份、聚四氟乙烯 30 份、苯骈三氮唑20份、酰胺类化合物三醋酸酯16 份、酰胺类化合物8份、线型酚醛树脂 10 份、亚磷酸酯 3 份、纳米钛白粉6 份、邻羟基苯甲酸苯酯 3份、硬脂酸 3 份、甲基异噻唑啉酮3份、聚酯 2 份、热塑性聚氨酯弹性体 1份、松香1份。
一种高强高模聚乙烯纤维的制造工艺，包括以下几个步骤：
(1)向高速混合机中加入纳米膨润土、聚乙烯醇和氧化铝、精制石蜡油和酰胺类化合物升温至 65～80℃后用超声波发生器中充分混合10～15min，再加入纳米碳酸钙、黄藤素、粒径5-15μm 的硝化纤维、马来酸酐、聚乙烯、丙三醇脂共聚物、海泡石继续用超声波发生器中充分混合 10-15min 得混合物 I ；超声波发生器的功率为 1.2KW～1.5KW，时间 5～15 分钟，工作方式为间歇式工作，每工作 30秒，暂停 30 秒；
(2) 将混合物 I加入到砂磨机中，砂磨20～60min后得混合物 II ；砂磨至细度小于10um；
(3) 先将聚四氟乙烯、苯骈三氮唑、酰胺类化合物三醋酸酯、线型酚醛树脂、亚磷酸酯、硬脂酸、聚酯、腐殖酸加入到高速混合机中，混合10-15min后再加入混合物 II，然后升温至75-80℃，保温 15-20min后开始自然冷却降温，当温度降至 35-40℃后再加入纳米钛白粉、邻羟基苯甲酸苯酯、甲基异噻唑啉酮、热塑性聚氨酯弹性体和松香继续混合 20-25min，即得混合物 III ；
(4) 将混合物 III 经挤出机在 90-100℃下挤压成片，冷却破碎后加入到粉碎机中，粉碎后的粉末颗粒经 180 目筛过筛，即得成品。
实施例3
一种高强高模聚乙烯纤维，其配方包括以下重量份数的各组分：
纳米碳酸钙 55 份、黄藤素30份、粒径5-15μm 的硝化纤维28 份、马来酸酐26份、聚乙烯16份、纳米膨润土8份、聚乙烯醇6份、氧化铝6份、腐殖酸4份、丙三醇脂共聚物4 份、海泡石 6份、精制石蜡油 3 份、聚四氟乙烯 28份、苯骈三氮唑26份、酰胺类化合物三醋酸酯 14份、酰胺类化合物10份、线型酚醛树脂 8份、亚磷酸酯 4 份、纳米钛白粉5份、邻羟基苯甲酸苯酯6份、硬脂酸3 份、甲基异噻唑啉酮4份、聚酯 2 份、热塑性聚氨酯弹性体2 份、松香1份。
纳米碳酸钙的粒径为 30～50纳米、黄藤素的粒径为80～100 纳米。
本实施例的高强高模聚乙烯纤维的制造工艺同实施例2。
实施例4
一种高强高模聚乙烯纤维，其配方包括以下重量份数的各组分：
纳米碳酸钙 50 份、黄藤素25份、粒径5-15μm 的硝化纤维28 份、马来酸酐24份、聚乙烯12份、纳米膨润土8份、聚乙烯醇6份、氧化铝6份、腐殖酸4份、丙三醇脂共聚物4 份、海泡石 6份、精制石蜡油 2 份、聚四氟乙烯 28份、苯骈三氮唑24份、酰胺类化合物三醋酸酯 14份、酰胺类化合物10份、线型酚醛树脂 8份、亚磷酸酯 4 份、纳米钛白粉5份、邻羟基苯甲酸苯酯 4份、硬脂酸 2 份、甲基异噻唑啉酮4份、聚酯 1 份、热塑性聚氨酯弹性体 1份、松香0.5份。
纳米碳酸钙的粒径为 30～50纳米、黄藤素的粒径为80～100 纳米。
本实施例的高强高模聚乙烯纤维的制造工艺同实施例2。
最后应说明的是：以上所述仅为本发明的优选实施例而已，并不用于限制本发明，尽管参照前述实施例对本发明进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (6)

1.一种高强高模聚乙烯纤维，其特征在于，其配方包括以下重量份数的各组分：
纳米碳酸钙 45～60 份、黄藤素20～35份、粒径5-15μm 的硝化纤维25～30 份、马来酸酐20～30份、聚乙烯10～18份、纳米膨润土 6～10 份、聚乙烯醇5～8份、氧化铝4～8份、腐殖酸3～5 份、丙三醇脂共聚物3～5 份、海泡石 5～8 份、精制石蜡油 2～3 份、聚四氟乙烯 25～30 份、苯骈三氮唑20～30份、酰胺类化合物三醋酸酯 12～16 份、酰胺类化合物8～12份、线型酚醛树脂 8～10 份、亚磷酸酯 3～5 份、纳米钛白粉3～6 份、邻羟基苯甲酸苯酯 3～6份、硬脂酸 2～3 份、甲基异噻唑啉酮3～5份、聚酯 1～2 份、热塑性聚氨酯弹性体 1～2 份、松香0.5～1份。
2.如权利要求1所述的一种高强高模聚乙烯纤维，其特征在于，其配方包括以下重量份数的各组分：
纳米碳酸钙 50～55 份、黄藤素25～30份、粒径5-15μm 的硝化纤维28 份、马来酸酐24～26份、聚乙烯12～16份、纳米膨润土8份、聚乙烯醇6份、氧化铝6份、腐殖酸4份、丙三醇脂共聚物4 份、海泡石 6份、精制石蜡油 2～3 份、聚四氟乙烯 28份、苯骈三氮唑24～26份、酰胺类化合物三醋酸酯 14 份、酰胺类化合物10份、线型酚醛树脂 8份、亚磷酸酯 4 份、纳米钛白粉5份、邻羟基苯甲酸苯酯 4～6份、硬脂酸 2～3 份、甲基异噻唑啉酮4份、聚酯 1～2 份、热塑性聚氨酯弹性体 1～2 份、松香0.5～1份。
3.如权利要求1或2任一项所述的一种高强高模聚乙烯纤维，其特征在于，所述纳米碳酸钙的粒径为 30～50纳米。
4.一种如权利要求1或2任一项所述的高强高模聚乙烯纤维的制造工艺，其特征在于，包括以下几个步骤：
(1)向高速混合机中加入纳米膨润土、聚乙烯醇和氧化铝、精制石蜡油和酰胺类化合物升温至 65～80℃后用超声波发生器中充分混合10～15min，再加入纳米碳酸钙、黄藤素、粒径5-15μm 的硝化纤维、马来酸酐、聚乙烯、丙三醇脂共聚物、海泡石继续用超声波发生器中充分混合 10-15min 得混合物 I ；
(2) 将混合物 I加入到砂磨机中，砂磨20～60min后得混合物 II ；
(3) 先将聚四氟乙烯、苯骈三氮唑、酰胺类化合物三醋酸酯、线型酚醛树脂、亚磷酸酯、硬脂酸、聚酯、腐殖酸加入到高速混合机中，混合10-15min后再加入混合物 II，然后升温至75-80℃，保温 15-20min后开始自然冷却降温，当温度降至 35-40℃后再加入纳米钛白粉、邻羟基苯甲酸苯酯、甲基异噻唑啉酮、热塑性聚氨酯弹性体和松香继续混合 20-25min，即得混合物 III ；
(4) 将混合物 III 经挤出机在 90-100℃下挤压成片，冷却破碎后加入到粉碎机中，粉碎后的粉末颗粒经 180 目筛过筛，即得成品。
5.如权利要求4所述的一种如权利要求1所述的高强高模聚乙烯纤维的制造工艺，其特征在于，在步骤1）中超声波发生器的功率为 1.2KW～1.5KW，时间 5～15 分钟，工作方式为间歇式工作，每工作 30秒，暂停 30 秒。
6.如权利要求4所述的一种如权利要求1所述的高强高模聚乙烯纤维的制造工艺，其特征在于，在步骤2）中砂磨至细度小于 10um。
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