CN103849043A - 一种抗静电高性能增韧改性聚乙烯粉末 - Google Patents

一种抗静电高性能增韧改性聚乙烯粉末 Download PDF

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CN103849043A
CN103849043A CN201210594186.9A CN201210594186A CN103849043A CN 103849043 A CN103849043 A CN 103849043A CN 201210594186 A CN201210594186 A CN 201210594186A CN 103849043 A CN103849043 A CN 103849043A
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antistatic
performance
toughening modifying
antistatic high
polyethylene powders
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夏伟光
杨涛
高伟臣
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Qingdao Sanli Zhongdemei Water Equipment Co Ltd
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C2948/92—Measuring, controlling or regulating
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Abstract

本发明公开了一种抗静电高性能增韧改性聚乙烯粉末，其组分按质量百分数配比为：聚乙烯40％～80％、弹性体5％～20％、纳米碳酸钙粒子5％～15％、复配型阻燃剂6％～20％、抗静电剂3％～5％、表面处理剂0.1％～0.5％、抗氧剂0.1％～1％、润滑剂0.2％～1.5％、其他添加剂0～0.5％。本发明的有益效果是，与现有技术相比，本发明制得的抗静电高性能增韧改性聚乙烯粉末具有较高的冲击韧性、刚性和耐热性，同时还保持较好的拉伸强度，其加工性能良好，阻燃能效高，抗静电性强，其表面电阻率可达108～1011Ω·m，而且制备工艺简单，操作方便，因此具有很好的实用价值和应用前景。

Description

一种抗静电高性能增韧改性聚乙烯粉末
技术领域
本发明涉及高分子材料技术领域，具体地说是一种抗静电高性能增韧改性聚乙烯粉末。
背景技术
聚乙烯(PE)价格低廉，成型加工容易，而且具有许多优良性能，因而需求量大，应用面广，但其耐有机溶剂和抗静电性能不好、冲击韧性不足等缺点限制它的应用范围。现有技术采用弹性体增韧可以大幅度提高聚乙烯的抗冲击性能，但同时也造成其强度、刚度、耐热性及加工性能的严重下降，同时成本也高。当采用刚性粒子增韧在一定条件下表现出同时增韧增强，但韧性的提高幅度有限。
发明内容
本发明的目的在于提供一种弹性体与纳米碳酸钙粒子并用增韧增强和具有优良综合性能的抗静电高性能增韧改性聚乙烯粉末。
本发明解决其技术问题所采用的技术方案是：一种抗静电高性能增韧改性聚乙烯粉末，其组分按质量百分数配比为：聚乙烯40％～80％、弹性体5％～20％、纳米碳酸钙粒子5％～15％、复配型阻燃剂6％～20％、抗静电剂3％～5％、表面处理剂0.1％～0.5％、抗氧剂0.1％～1％、润滑剂0.2％～1.5％、其他添加剂0～0.5％。
所述的弹性体为乙烯-丙烯酸甲酯-甲基丙烯酸缩水甘油酯三元共聚物(E-MA-GMA)。
所述的纳米碳酸钙粒子的平均粒径在20nm～100nm之间。
所述的复配型阻燃剂为聚2，6-二溴亚苯基醚50wt％、次膦酸铝25wt％和氢氧化镁25wt％三者混合的复配物。
所述的抗静电剂为市售的HBS-510抗静电剂或HDC-102抗静电剂。
所述的表面处理剂为硬脂酸钙、硬脂酸钠、硬脂酸镁、硅烷偶联剂中的一种。
所述的抗氧剂为主抗氧剂1076与辅助抗氧剂168的复配物。
所述的润滑剂为聚硅氧烷或乙撑双硬酯酰胺。
所述的其他添加剂为光稳定剂及色料。
上述的一种抗静电高性能增韧改性聚乙烯粉末的制备方法，包括以下步骤：
(1)按重量配比称取聚2，6-二溴亚苯基醚50wt％、次膦酸铝25wt％和氢氧化镁25wt％，使混合均匀，制得复配型阻燃剂，然后在80℃～100℃下干燥30～45分钟，待用；
(2)将纳米碳酸钙粒子与表面处理剂按重量配比称取后，加入超声振荡发生器或不低于3000转/分钟的高速混合机中，于80℃～110℃温度下搅拌10～60分钟，使表面处理剂均匀包覆纳米碳酸钙粒子，然后冷却至低于40℃，出料待用；
(3)按重量配比称取弹性体，并与步骤(2)的物料混合均匀，然后加入双辊筒开炼机或密炼机中，于120℃～140℃混炼5～10分钟，再经拉片、切料后制成弹性体/纳米碳酸钙粒子的核-壳母粒；
(4)按重量配比称取聚乙烯、复配型阻燃剂、抗静电剂、抗氧剂、润滑剂和其他添加剂，加入高速混合机，同时加入步骤(4)制得的核-壳母粒，使充分混合5～10分钟；
(5)再将步骤(4)的混合物加入双螺杆挤出机熔融共混，熔融温度控制在180℃～240℃，螺杆转速为200～500转/分钟，通过双螺杆挤出机的剪切、混炼10～15分钟，再挤出、冷却、切粒、干燥，然后通过塑料粉碎机碎成细粉并过筛，取180～200目的组成即得本发明的一种抗静电高性能增韧改性聚乙烯粉末。
本发明的有益效果是，与现有技术相比，本发明制得的抗静电高性能增韧改性聚乙烯粉末具有较高的冲击韧性、刚性和耐热性，同时还保持较好的拉伸强度，其加工性能良好，阻燃能效高，抗静电性强，其表面电阻率可达108～1011Ω·m，而且制备工艺简单，操作方便，因此具有很好的实用价值和应用前景。
具体实施方式
下面结合具体实施例来进一步说明本发明的技术方案。
实施例1：
一种抗静电高性能增韧改性聚乙烯粉末，其组分按质量百分数配比为：聚乙烯60％、乙烯-丙烯酸甲酯-甲基丙烯酸缩水甘油酯三元共聚物(E-MA-GMA)12％、纳米碳酸钙粒子10％、复配型阻燃剂12％、HBS-510抗静电剂4％、硬脂酸钙0.3％、主抗氧剂1076与辅助抗氧剂168的复配物0.6％、聚硅氧烷0.8％、其他添加剂0.3％，其中，纳米碳酸钙粒子的平均粒径在20nm～100nm之间，复配型阻燃剂为聚2，6-二溴亚苯基醚50wt％、次膦酸铝25wt％和氢氧化镁25wt％三者混合的复配物，其他添加剂为光稳定剂及色料。
制备方法：(1)按重量配比称取聚2，6-二溴亚苯基醚50wt％、次膦酸铝25wt％和氢氧化镁25wt％，使混合均匀，制得复配型阻燃剂，然后在80℃～100℃下干燥30～45分钟，待用；(2)将纳米碳酸钙粒子与硬脂酸钙按重量配比称取后，加入超声振荡发生器或不低于3000转/分钟的高速混合机中，于80℃～110℃温度下搅拌10～60分钟，使硬脂酸钙均匀包覆纳米碳酸钙粒子，然后冷却至低于40℃，出料待用；(3)按重量配比称取乙烯-丙烯酸甲酯-甲基丙烯酸缩水甘油酯三元共聚物(E-MA-GMA)，并与步骤(2)的物料混合均匀，然后加入双辊筒开炼机或密炼机中，于120℃～140℃混炼5～10分钟，再经拉片、切料后制成E-MA-GMA/纳米碳酸钙粒子的核-壳母粒；(4)按重量配比称取聚乙烯、复配型阻燃剂、HBS-510抗静电剂、主抗氧剂1076与辅助抗氧剂168的复配物、聚硅氧烷和其他添加剂，加入高速混合机，同时加入步骤(4)制得的核-壳母粒，使充分混合5～10分钟；(5)再将步骤(4)的混合物加入双螺杆挤出机熔融共混，熔融温度控制在180℃～240℃，螺杆转速为200～500转/分钟，通过双螺杆挤出机的剪切、混炼10～15分钟，再挤出、冷却、切粒、干燥，然后通过塑料粉碎机碎成细粉并过筛，取180～200目的组成即得本发明的一种抗静电高性能增韧改性聚乙烯粉末。
实施例2：
一种抗静电高性能增韧改性聚乙烯粉末，其组分按质量百分数配比为：聚乙烯40％、乙烯-丙烯酸甲酯-甲基丙烯酸缩水甘油酯三元共聚物(E-MA-GMA)20％、纳米碳酸钙粒子15％、复配型阻燃剂18％、HBS-510抗静电剂5％、硬脂酸镁0.5％、主抗氧剂1076与辅助抗氧剂168的复配物0.5％、聚硅氧烷0.8％、其他添加剂0.2％，其中，纳米碳酸钙粒子的平均粒径在20nm～100nm之间，复配型阻燃剂为聚2，6-二溴亚苯基醚50wt％、次膦酸铝25wt％和氢氧化镁25wt％三者混合的复配物，其他添加剂为光稳定剂及色料。
制备方法：(1)按重量配比称取聚2，6-二溴亚苯基醚50wt％、次膦酸铝25wt％和氢氧化镁25wt％，使混合均匀，制得复配型阻燃剂，然后在80℃～100℃下干燥30～45分钟，待用；(2)将纳米碳酸钙粒子与硬脂酸镁按重量配比称取后，加入超声振荡发生器或不低于3000转/分钟的高速混合机中，于80℃～110℃温度下搅拌10～60分钟，使硬脂酸镁均匀包覆纳米碳酸钙粒子，然后冷却至低于40℃，出料待用；(3)按重量配比称取乙烯-丙烯酸甲酯-甲基丙烯酸缩水甘油酯三元共聚物(E-MA-GMA)，并与步骤(2)的物料混合均匀，然后加入双辊筒开炼机或密炼机中，于120℃～140℃混炼5～10分钟，再经拉片、切料后制成E-MA-GMA/纳米碳酸钙粒子的核-壳母粒；(4)按重量配比称取聚乙烯、复配型阻燃剂、HBS-510抗静电剂、主抗氧剂1076与辅助抗氧剂168的复配物、聚硅氧烷和其他添加剂，加入高速混合机，同时加入步骤(4)制得的核-壳母粒，使充分混合5～10分钟；
(5)再将步骤(4)的混合物加入双螺杆挤出机熔融共混，熔融温度控制在180℃～240℃，螺杆转速为200～500转/分钟，通过双螺杆挤出机的剪切、混炼10～15分钟，再挤出、冷却、切粒、干燥，然后通过塑料粉碎机碎成细粉并过筛，取180～200目的组成即得本发明的一种抗静电高性能增韧改性聚乙烯粉末。
实施例3：
一种抗静电高性能增韧改性聚乙烯粉末，其组分按质量百分数配比为：聚乙烯76％、乙烯-丙烯酸甲酯-甲基丙烯酸缩水甘油酯三元共聚物(E-MA-GMA)5％、纳米碳酸钙粒子5％、复配型阻燃剂10％、HDC-102抗静电剂3％、硅烷偶联剂0.1％、主抗氧剂1076与辅助抗氧剂168的复配物0.3％、乙撑双硬酯酰胺0.6％，其中，纳米碳酸钙粒子的平均粒径在20nm～100nm之间，复配型阻燃剂为聚2，6-二溴亚苯基醚50wt％、次膦酸铝25wt％和氢氧化镁25wt％三者混合的复配物。
制备方法：(1)按重量配比称取聚2，6-二溴亚苯基醚50wt％、次膦酸铝25wt％和氢氧化镁25wt％，使混合均匀，制得复配型阻燃剂，然后在80℃～100℃下干燥30～45分钟，待用；(2)将纳米碳酸钙粒子与硅烷偶联剂按重量配比称取后，加入超声振荡发生器或不低于3000转/分钟的高速混合机中，于80℃～110℃温度下搅拌10～60分钟，使硅烷偶联剂均匀包覆纳米碳酸钙粒子，然后冷却至低于40℃，出料待用；(3)按重量配比称取乙烯-丙烯酸甲酯-甲基丙烯酸缩水甘油酯三元共聚物(E-MA-GMA)，并与步骤(2)的物料混合均匀，然后加入双辊筒开炼机或密炼机中，于120℃～140℃混炼5～10分钟，再经拉片、切料后制成E-MA-GMA/纳米碳酸钙粒子的核-壳母粒；(4)按重量配比称取聚乙烯、复配型阻燃剂、HDC-102抗静电剂、主抗氧剂1076与辅助抗氧剂168的复配物和乙撑双硬酯酰胺，加入高速混合机，同时加入步骤(4)制得的核-壳母粒，使充分混合5～10分钟；(5)再将步骤(4)的混合物加入双螺杆挤出机熔融共混，熔融温度控制在180℃～240℃，螺杆转速为200～500转/分钟，通过双螺杆挤出机的剪切、混炼10～15分钟，再挤出、冷却、切粒、干燥，然后通过塑料粉碎机碎成细粉并过筛，取180～200目的组成即得本发明的一种抗静电高性能增韧改性聚乙烯粉末。

Claims (10)

1.一种抗静电高性能增韧改性聚乙烯粉末，其特征在于，其组分按质量百分数配比为：聚乙烯40％～80％、弹性体5％～20％、纳米碳酸钙粒子5％～15％、复配型阻燃剂6％～20％、抗静电剂3％～5％、表面处理剂0.1％～0.5％、抗氧剂0.1％～1％、润滑剂0.2％～1.5％、其他添加剂0～0.5％。
2.根据权利要求1所述的一种抗静电高性能增韧改性聚乙烯粉末，其特征在于，所述的弹性体为乙烯-丙烯酸甲酯-甲基丙烯酸缩水甘油酯三元共聚物(E-MA-GMA)。
3.根据权利要求1所述的一种抗静电高性能增韧改性聚乙烯粉末，其特征在于，所述的纳米碳酸钙粒子的平均粒径在20nm～100nm之间。
4.根据权利要求1所述的一种抗静电高性能增韧改性聚乙烯粉末，其特征在于，所述的复配型阻燃剂为聚2，6-二溴亚苯基醚50wt％、次膦酸铝25wt％和氢氧化镁25wt％三者混合的复配物。
5.根据权利要求1所述的一种抗静电高性能增韧改性聚乙烯粉末，其特征在于，所述的抗静电剂为市售的HBS-510抗静电剂或HDC-102抗静电剂。
6.根据权利要求1所述的一种抗静电高性能增韧改性聚乙烯粉末，其特征在于，所述的表面处理剂为硬脂酸钙、硬脂酸钠、硬脂酸镁、硅烷偶联剂中的一种。
7.根据权利要求1所述的一种抗静电高性能增韧改性聚乙烯粉末，其特征在于，所述的抗氧剂为主抗氧剂1076与辅助抗氧剂168的复配物。
8.根据权利要求1所述的一种抗静电高性能增韧改性聚乙烯粉末，其特征在于，所述的润滑剂为聚硅氧烷或乙撑双硬酯酰胺。
9.根据权利要求1所述的一种抗静电高性能增韧改性聚乙烯粉末，其特征在于，所述的其他添加剂为光稳定剂及色料。
10.根据权利要求1所述的一种抗静电高性能增韧改性聚乙烯粉末的制备方法，其特征在于，包括以下步骤：
(1)按重量配比称取聚2，6-二溴亚苯基醚50wt％、次膦酸铝25wt％和氢氧化镁25wt％，使混合均匀，制得复配型阻燃剂，然后在80℃～100℃下干燥30～45分钟，待用；
(2)将纳米碳酸钙粒子与表面处理剂按重量配比称取后，加入超声振荡发生器或不低于3000转/分钟的高速混合机中，于80℃～110℃温度下搅拌10～60分钟，使表面处理剂均匀包覆纳米碳酸钙粒子，然后冷却至低于40℃，出料待用；
(3)按重量配比称取弹性体，并与步骤(2)的物料混合均匀，然后加入双辊筒开炼机或密炼机中，于120℃～140℃混炼5～10分钟，再经拉片、切料后制成弹性体/纳米碳酸钙粒子的核-壳母粒；
(4)按重量配比称取聚乙烯、复配型阻燃剂、抗静电剂、抗氧剂、润滑剂和其他添加剂，加入高速混合机，同时加入步骤(4)制得的核-壳母粒，使充分混合5～10分钟；
(5)再将步骤(4)的混合物加入双螺杆挤出机熔融共混，熔融温度控制在180℃～240℃，螺杆转速为200～500转/分钟，通过双螺杆挤出机的剪切、混炼10～15分钟，再挤出、冷却、切粒、干燥，然后通过塑料粉碎机碎成细粉并过筛，取180～200目的组成即得本发明的一种抗静电高性能增韧改性聚乙烯粉末。
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CN109605703A (zh) * 2018-12-13 2019-04-12 云南昆钢石头纸环保材料有限公司 一种阻燃石头纸的制备方法
CN109651681A (zh) * 2018-12-15 2019-04-19 常熟市景弘盛通信科技股份有限公司 一种阻燃、耐高温、高韧性的交联电缆的制备方法
CN115850876A (zh) * 2022-11-17 2023-03-28 深圳市华鹰塑胶原料有限公司 聚烯烃改性塑料及其制备方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109605703A (zh) * 2018-12-13 2019-04-12 云南昆钢石头纸环保材料有限公司 一种阻燃石头纸的制备方法
CN109651681A (zh) * 2018-12-15 2019-04-19 常熟市景弘盛通信科技股份有限公司 一种阻燃、耐高温、高韧性的交联电缆的制备方法
CN115850876A (zh) * 2022-11-17 2023-03-28 深圳市华鹰塑胶原料有限公司 聚烯烃改性塑料及其制备方法

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