CN103865161A - 一种超薄电容器用金属化膜及其制备方法 - Google Patents

一种超薄电容器用金属化膜及其制备方法 Download PDF

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CN103865161A
CN103865161A CN201410075468.7A CN201410075468A CN103865161A CN 103865161 A CN103865161 A CN 103865161A CN 201410075468 A CN201410075468 A CN 201410075468A CN 103865161 A CN103865161 A CN 103865161A
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汤广顺
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Wuhu Edison Automation Equipment Co Ltd
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Abstract

本发明公开了一种超薄电容器用金属化膜，其特征在于，由下列重量份的原料制成：茂金属线性低密度聚乙烯200、脂肪酸1-2、月桂基硫醇2-3、丙烯酸丁酯3-4、异氰脲酸三缩水甘油酯1-2、酒石酸1-2、环烷酸铝1-2、三乙二醇3-4、助剂5-6；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；厚度均匀，不容易脱开，成品率较高，进而使得制备的电容器的成本较低，且在降低成品薄膜成本的同时其关健物理性能没有下降，具有良好的耐压性和耐冲击性，同时具有热封强度高、热封性能好的特点。

Description

一种超薄电容器用金属化膜及其制备方法
技术领域
本发明涉及电容器制造领域，特别是一种超薄电容器用金属化膜及其制备方法。
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。
发明内容
本发明的目的是提供一种超薄电容器用金属化膜及其制备方法。
为了实现本发明的目的，本发明通过以下方案实施：
一种超薄电容器用金属化膜，由下列重量份的原料制成：茂金属线性低密度聚乙烯200、脂肪酸1-2、月桂基硫醇2-3、丙烯酸丁酯3-4、异氰脲酸三缩水甘油酯1-2、酒石酸1-2、环烷酸铝1-2、三乙二醇3-4、助剂5-6；
所述助剂由下列重量份的原料制成：茂金属线性低密度聚乙烯12-15、钙锌稳定剂2-3、氰尿酸锌1-2、2-乙基己基二苯基磷酸酯5-6、椴木灰烬1-2、纳米玉石粉0.3-0.4、亚磷酸酯8-10、聚异丁烯2-3、、玫瑰精油0.1-0.2；制备方法是将茂金属线性低密度聚乙烯加热至熔融状态，然后，加入纳米玉石粉、椴木灰烬、搅拌10-15分钟，最后加入其它成分，搅拌分散均匀，冷却，造粒，即得。
本发明所述超薄电容器用金属化膜，由以下具体步骤制成：
（1）将茂金属线性低密度聚乙烯、脂肪酸、月桂基硫醇、丙烯酸丁酯加热熔融，再加入助剂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；厚度均匀，不容易脱开，成品率较高，进而使得制备的电容器的成本较低，且在降低成品薄膜成本的同时其关健物理性能没有下降，具有良好的耐压性和耐冲击性，同时具有热封强度高、热封性能好的特点。
具体实施方式
下面通过具体实例对本发明进行详细说明。
一种超薄电容器用金属化膜，由下列重量份(公斤)的原料制成：茂金属线性低密度聚乙烯200、脂肪酸1、月桂基硫醇2、丙烯酸丁酯3、异氰脲酸三缩水甘油酯1、酒石酸1、环烷酸铝1、三乙二醇3、助剂5；
所述助剂由下列重量份（公斤）的原料制成：茂金属线性低密度聚乙烯12、钙锌稳定剂2、氰尿酸锌1、2-乙基己基二苯基磷酸酯5、椴木灰烬2、纳米玉石粉0.3、亚磷酸酯8、聚异丁烯2、玫瑰精油0.1；制备方法是将茂金属线性低密度聚乙烯加热至熔融状态，然后，加入纳米玉石粉、椴木灰烬、搅拌10-15分钟，最后加入其它成分，搅拌分散均匀，冷却，造粒，即得。
本发明所述超薄电容器用金属化膜，由以下具体步骤制成：
（1）将茂金属线性低密度聚乙烯、脂肪酸、月桂基硫醇、丙烯酸丁酯加热熔融，再加入助剂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。
本发明实施例的金属化薄膜的技术指标如下 ：
（1）横向收缩率≤ 0.2%、纵向收缩率≤ 2.5% 
（2）横向拉伸强度≥ 16Mpa、纵向拉伸强度≥ 14Mpa ；
（3）最小击穿电压 589Vv/um 。

Claims (2)

1.一种超薄电容器用金属化膜，其特征在于，由下列重量份的原料制成：茂金属线性低密度聚乙烯200、脂肪酸1-2、月桂基硫醇2-3、丙烯酸丁酯3-4、异氰脲酸三缩水甘油酯1-2、酒石酸1-2、环烷酸铝1-2、三乙二醇3-4、助剂5-6；
所述助剂由下列重量份的原料制成：茂金属线性低密度聚乙烯12-15、钙锌稳定剂2-3、氰尿酸锌1-2、2-乙基己基二苯基磷酸酯5-6、椴木灰烬1-2、纳米玉石粉0.3-0.4、亚磷酸酯8-10、聚异丁烯2-3、、玫瑰精油0.1-0.2；制备方法是将茂金属线性低密度聚乙烯加热至熔融状态，然后，加入纳米玉石粉、椴木灰烬、搅拌10-15分钟，最后加入其它成分，搅拌分散均匀，冷却，造粒，即得。
2.根据权利要求1所述超薄电容器用金属化膜，其特征在于，由以下具体步骤制成：
（1）将茂金属线性低密度聚乙烯、脂肪酸、月桂基硫醇、丙烯酸丁酯加热熔融，再加入助剂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。
CN201410075468.7A 2014-03-04 2014-03-04 一种超薄电容器用金属化膜及其制备方法 Pending CN103865161A (zh)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1223198A (zh) * 1997-12-26 1999-07-21 东丽株式会社 金属化用双轴取向聚丙烯薄膜、金属化双轴取向聚丙烯薄膜及使用它的叠层体
CN1532248A (zh) * 2003-02-07 2004-09-29 ���з��ɹ�˾ 金属化的多层膜
CN101906228A (zh) * 2009-06-04 2010-12-08 王子制纸株式会社 电容器用双轴拉伸聚丙烯薄膜、金属化薄膜和流延生坯片

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1223198A (zh) * 1997-12-26 1999-07-21 东丽株式会社 金属化用双轴取向聚丙烯薄膜、金属化双轴取向聚丙烯薄膜及使用它的叠层体
CN1532248A (zh) * 2003-02-07 2004-09-29 ���з��ɹ�˾ 金属化的多层膜
CN101906228A (zh) * 2009-06-04 2010-12-08 王子制纸株式会社 电容器用双轴拉伸聚丙烯薄膜、金属化薄膜和流延生坯片

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