CN108997654A - 一种电容器用复合塑料金属化薄膜 - Google Patents

一种电容器用复合塑料金属化薄膜 Download PDF

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CN108997654A
CN108997654A CN201811075807.6A CN201811075807A CN108997654A CN 108997654 A CN108997654 A CN 108997654A CN 201811075807 A CN201811075807 A CN 201811075807A CN 108997654 A CN108997654 A CN 108997654A
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方小梅
吴金明
张启红
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Tongcheng Cat Soft Film Co Ltd
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Abstract

本发明公开了一种电容器用复合塑料金属化薄膜,按重量份其由以下组分组成:聚丙烯200‑250份,低密度聚乙烯30‑34份,硼酸钠1‑2份,甲基三乙酰氧基硅烷2‑3份,硅酸钠1‑2份,乙二胺四乙酸2‑3份,甘胆酸钠1‑2份,抗氧化剂10‑15份、聚对苯二甲酸丁二醇酯5‑20份、抑菌复合物15‑20份,氧化铁5‑15份,1,4‑丁烯二醇5‑10份。本发明加工工艺简单,并且用其制作的薄膜电容器接触电阻小,从而使得产品特性好,解决一般薄膜电容器电介质的介电常数低,耐热差,成膜性差,机械强度低等问题,制成的电容器的体积较小,还具有较好的高温稳定性,采用电晕处理,提高了薄膜的耐压强度,防止击穿,使用寿命长。

Description

一种电容器用复合塑料金属化薄膜
技术领域
本发明涉及塑料薄膜领域,具体为一种电容器用复合塑料金属化薄膜。
背景技术
薄膜电容器是以金属箔当电极,将其和聚乙酯,聚丙烯,聚笨乙烯或聚碳酸酯等塑料薄膜,从两端重叠后,卷绕成圆筒状的构造之电容器;在所有的塑料薄膜电容当中,聚丙烯(PP)电容和聚苯乙烯(PS)电容的特性最为显著,当然这两种电容器的价格也比较高,电容器的薄膜质量直接影响电容器的使用寿命和产品性能,电容器薄膜的需求量大、种类多,采用单一原料生产的薄膜很难适应市场的要求,但每种原料都有其不足之处,所以生产出来的薄膜很难满足各种情况的需求。
电容器用双向拉伸聚丙烯薄膜具有较高的机械性能和电气性能,与普通型薄膜制得的电容器相比,用聚丙烯薄膜制得的电容器以其热收缩率低、性能稳定、耐高温、耐高压,防止击穿等显著优点,使得聚丙烯薄膜制得的电容器的使用范围越来越广。
发明内容
本发明的目的在于提供一种电容器用复合塑料金属化薄膜。
本发明的目的可以通过以下技术方案实现:
一种电容器用复合塑料金属化薄膜,按重量份其由以下组分组成:聚丙烯200-250份,低密度聚乙烯30-34份,硼酸钠1-2份,甲基三乙酰氧基硅烷2-3份,硅酸钠1-2份,乙二胺四乙酸2-3份,甘胆酸钠1-2份,抗氧化剂10-15份、聚对苯二甲酸丁二醇酯5-20份、抑菌复合物15-20份,氧化铁5-15份,1,4-丁烯二醇5-10份。
所述一种电容器用复合塑料金属化薄膜,按重量份其由以下组分组成:聚丙烯200份,低密度聚乙烯30份,硼酸钠1份,甲基三乙酰氧基硅烷2份,硅酸钠1份,乙二胺四乙酸2份,甘胆酸钠1份,抗氧化剂10份、聚对苯二甲酸丁二醇酯5份、抑菌复合物15份,氧化铁5份,1,4-丁烯二醇5份。
所述一种电容器用复合塑料金属化薄膜,按重量份其由以下组分组成:聚丙烯250份,低密度聚乙烯34份,硼酸钠2份,甲基三乙酰氧基硅烷3份,硅酸钠2份,乙二胺四乙酸3份,甘胆酸钠2份,抗氧化剂15份、聚对苯二甲酸丁二醇酯20份、抑菌复合物20份,氧化铁15份,1,4-丁烯二醇10份。
所述一种电容器用复合塑料金属化薄膜,按重量份其由以下组分组成:聚丙烯220份,低密度聚乙烯32份,硼酸钠2份,甲基三乙酰氧基硅烷2份,硅酸钠2份,乙二胺四乙酸2份,甘胆酸钠1份,抗氧化剂12份、聚对苯二甲酸丁二醇酯10份、抑菌复合物18份,氧化铁10份,1,4-丁烯二醇8份。
所述抗氧化剂为酚类,包括:单酚、双酚、多酚、对苯二酚、二苯胺、对苯二胺中的一种或几种。
所述抑菌复合物为氢氧化铝、氢氧化镁、氧化锌中的一种或者几种。
所述一种电容器用复合塑料金属化薄膜,由以下具体步骤制成:
(1)将聚丙烯、低密度聚乙烯、硼酸钠、甲基三乙酰氧基硅烷加热熔融,再加入抑菌复合物以及其余剩余成分充分搅拌,送入挤出机熔融、过滤,然后再通过挤出机挤出片状熔体,过滤>1200目,所述挤出机的温度为220-260℃;
(2)将步骤(1)制成的片状熔体通过激冷辊及风淋室冷却定型后制得铸片,依次进行纵向拉伸、横向拉伸、粗化面电晕处理;
(3)收卷、第一次时效处理、第二次时效处理;
(4)真空蒸发金属化膜,粗化面形成金属化层。
本发明的有益效果:本发明加工工艺简单,并且用其制作的薄膜电容器接触电阻小,从而使得产品特性好,解决一般薄膜电容器电介质的介电常数低,耐热差,成膜性差,机械强度低等问题,制成的电容器的体积较小,还具有较好的高温稳定性,采用电晕处理,提高了薄膜的耐压强度,防止击穿,使用寿命长。
具体实施方式
下面结合实施例对本发明做进一步地说明。
实施例1
一种电容器用复合塑料金属化薄膜,按重量份其由以下组分组成:聚丙烯220份,低密度聚乙烯32份,硼酸钠2份,甲基三乙酰氧基硅烷2份,硅酸钠2份,乙二胺四乙酸2份,甘胆酸钠1份,抗氧化剂12份、聚对苯二甲酸丁二醇酯10份、抑菌复合物18份,氧化铁10份,1,4-丁烯二醇8份。
制备方法包括如下步骤:
(1)将聚丙烯、低密度聚乙烯、硼酸钠、甲基三乙酰氧基硅烷加热熔融,再加入抑菌复合物以及其余剩余成分充分搅拌,送入挤出机熔融、过滤,然后再通过挤出机挤出片状熔体,过滤>1200目,所述挤出机的温度为220-260℃;
(2)将步骤(1)制成的片状熔体通过激冷辊及风淋室冷却定型后制得铸片,依次进行纵向拉伸、横向拉伸、粗化面电晕处理;
(3)收卷、第一次时效处理、第二次时效处理;
(4)真空蒸发金属化膜,粗化面形成金属化层。
实施例2
一种电容器用复合塑料金属化薄膜,按重量份其由以下组分组成:聚丙烯250份,低密度聚乙烯34份,硼酸钠2份,甲基三乙酰氧基硅烷3份,硅酸钠2份,乙二胺四乙酸3份,甘胆酸钠2份,抗氧化剂15份、聚对苯二甲酸丁二醇酯20份、抑菌复合物20份,氧化铁15份,1,4-丁烯二醇10份。
制备方法包括如下步骤:
(1)将聚丙烯、低密度聚乙烯、硼酸钠、甲基三乙酰氧基硅烷加热熔融,再加入抑菌复合物以及其余剩余成分充分搅拌,送入挤出机熔融、过滤,然后再通过挤出机挤出片状熔体,过滤>1200目,所述挤出机的温度为220-260℃;
(2)将步骤(1)制成的片状熔体通过激冷辊及风淋室冷却定型后制得铸片,依次进行纵向拉伸、横向拉伸、粗化面电晕处理;
(3)收卷、第一次时效处理、第二次时效处理;
(4)真空蒸发金属化膜,粗化面形成金属化层。
实施例3
一种电容器用复合塑料金属化薄膜,按重量份其由以下组分组成:聚丙烯200份,低密度聚乙烯30份,硼酸钠1份,甲基三乙酰氧基硅烷2份,硅酸钠1份,乙二胺四乙酸2份,甘胆酸钠1份,抗氧化剂10份、聚对苯二甲酸丁二醇酯5份、抑菌复合物15份,氧化铁5份,1,4-丁烯二醇5份。
制备方法包括如下步骤:
(1)将聚丙烯、低密度聚乙烯、硼酸钠、甲基三乙酰氧基硅烷加热熔融,再加入抑菌复合物以及其余剩余成分充分搅拌,送入挤出机熔融、过滤,然后再通过挤出机挤出片状熔体,过滤>1200目,所述挤出机的温度为220-260℃;
(2)将步骤(1)制成的片状熔体通过激冷辊及风淋室冷却定型后制得铸片,依次进行纵向拉伸、横向拉伸、粗化面电晕处理;
(3)收卷、第一次时效处理、第二次时效处理;
(4)真空蒸发金属化膜,粗化面形成金属化层。
以上内容仅仅是对本发明结构所作的举例和说明,所属本技术领域的技术人员对所描述的具体实例做各种各样的修改或补充或采用类似的方式替代,只要不超越本权利要求书所定义的范围,均应属于发明的保护范围。

Claims (7)

1.一种电容器用复合塑料金属化薄膜,其特征在于,按重量份其由以下组分组成:聚丙烯200-250份,低密度聚乙烯30-34份,硼酸钠1-2份,甲基三乙酰氧基硅烷2-3份,硅酸钠1-2份,乙二胺四乙酸2-3份,甘胆酸钠1-2份,抗氧化剂10-15份、聚对苯二甲酸丁二醇酯5-20份、抑菌复合物15-20份,氧化铁5-15份,1,4-丁烯二醇5-10份。
2.根据权利要求1所述一种电容器用复合塑料金属化薄膜,其特征在于,按重量份其由以下组分组成:聚丙烯200份,低密度聚乙烯30份,硼酸钠1份,甲基三乙酰氧基硅烷2份,硅酸钠1份,乙二胺四乙酸2份,甘胆酸钠1份,抗氧化剂10份、聚对苯二甲酸丁二醇酯5份、抑菌复合物15份,氧化铁5份,1,4-丁烯二醇5份。
3.根据权利要求1所述一种电容器用复合塑料金属化薄膜,其特征在于,按重量份其由以下组分组成:聚丙烯250份,低密度聚乙烯34份,硼酸钠2份,甲基三乙酰氧基硅烷3份,硅酸钠2份,乙二胺四乙酸3份,甘胆酸钠2份,抗氧化剂15份、聚对苯二甲酸丁二醇酯20份、抑菌复合物20份,氧化铁15份,1,4-丁烯二醇10份。
4.根据权利要求1所述一种电容器用复合塑料金属化薄膜,其特征在于,按重量份其由以下组分组成:聚丙烯220份,低密度聚乙烯32份,硼酸钠2份,甲基三乙酰氧基硅烷2份,硅酸钠2份,乙二胺四乙酸2份,甘胆酸钠1份,抗氧化剂12份、聚对苯二甲酸丁二醇酯10份、抑菌复合物18份,氧化铁10份,1,4-丁烯二醇8份。
5.根据权利要求1所述一种电容器用复合塑料金属化薄膜,其特征在于,所述抗氧化剂为酚类,包括:单酚、双酚、多酚、对苯二酚、二苯胺、对苯二胺中的一种或几种。
6.根据权利要求1所述一种电容器用复合塑料金属化薄膜,其特征在于,所述抑菌复合物为氢氧化铝、氢氧化镁、氧化锌中的一种或者几种。
7.根据权利要求1所述一种电容器用复合塑料金属化薄膜,其特征在于,由以下具体步骤制成:
(1)将聚丙烯、低密度聚乙烯、硼酸钠、甲基三乙酰氧基硅烷加热熔融,再加入抑菌复合物以及其余剩余成分充分搅拌,送入挤出机熔融、过滤,然后再通过挤出机挤出片状熔体,过滤>1200目,所述挤出机的温度为220-260℃;
(2)将步骤(1)制成的片状熔体通过激冷辊及风淋室冷却定型后制得铸片,依次进行纵向拉伸、横向拉伸、粗化面电晕处理;
(3)收卷、第一次时效处理、第二次时效处理;
(4)真空蒸发金属化膜,粗化面形成金属化层。
CN201811075807.6A 2018-09-14 2018-09-14 一种电容器用复合塑料金属化薄膜 Withdrawn CN108997654A (zh)

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Application publication date: 20181214