CN103804791A - 一种超薄改性等规划聚丙烯电容器金属化膜及其制备方法 - Google Patents
一种超薄改性等规划聚丙烯电容器金属化膜及其制备方法 Download PDFInfo
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- 239000004743 Polypropylene Substances 0.000 title claims abstract description 25
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 25
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- 239000003990 capacitor Substances 0.000 title claims abstract description 13
- 238000002360 preparation method Methods 0.000 title claims description 7
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- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims abstract description 4
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- KJHYAEZMOHLVCH-UHFFFAOYSA-N 2-ethyl-1-benzofuran Chemical compound C1=CC=C2OC(CC)=CC2=C1 KJHYAEZMOHLVCH-UHFFFAOYSA-N 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 230000032683 aging Effects 0.000 claims description 6
- 150000008064 anhydrides Chemical class 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 229920001526 metallocene linear low density polyethylene Polymers 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 4
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 claims description 3
- 235000002918 Fraxinus excelsior Nutrition 0.000 claims description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 3
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- 229920005989 resin Polymers 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
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- 229960004418 trolamine Drugs 0.000 claims description 3
- 238000007738 vacuum evaporation Methods 0.000 claims description 3
- 239000010408 film Substances 0.000 abstract description 14
- 230000015556 catabolic process Effects 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 abstract description 2
- HLPIHRDZBHXTFJ-UHFFFAOYSA-N 2-ethylfuran Chemical compound CCC1=CC=CO1 HLPIHRDZBHXTFJ-UHFFFAOYSA-N 0.000 abstract 2
- 239000002202 Polyethylene glycol Substances 0.000 abstract 1
- MRUAUOIMASANKQ-UHFFFAOYSA-N cocamidopropyl betaine Chemical compound CCCCCCCCCCCC(=O)NCCC[N+](C)(C)CC([O-])=O MRUAUOIMASANKQ-UHFFFAOYSA-N 0.000 abstract 1
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- 239000003431 cross linking reagent Substances 0.000 abstract 1
- 125000004386 diacrylate group Chemical group 0.000 abstract 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 abstract 1
- 229920001223 polyethylene glycol Polymers 0.000 abstract 1
- YGPLLMPPZRUGTJ-UHFFFAOYSA-N truxene Chemical compound C1C2=CC=CC=C2C(C2=C3C4=CC=CC=C4C2)=C1C1=C3CC2=CC=CC=C21 YGPLLMPPZRUGTJ-UHFFFAOYSA-N 0.000 abstract 1
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- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- B—PERFORMING OPERATIONS; TRANSPORTING
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Abstract
本发明公开了一种超薄改性等规划聚丙烯电容器金属化膜,其特征在于,由下列重量份的原料制成:等规聚丙烯200、聚乙烯接枝马来酸酐3-4、2-乙基苯骈呋喃1-2、椰油酰胺丙基甜菜碱1-2、三乙醇胺1-2、1,6己二醇二丙烯酸酯4-6、促进剂CZ1.5-2.0、交联剂TAC1-2、助剂5-6;发明通过过滤,去除原料中的杂质,使原料性能好,降低了薄膜的报废率,不易破裂;采用电晕处理,提高了薄膜的耐压强度,防止击穿,而且机械强度大,降低热收缩率和内雾度,使用寿命长。
Description
技术领域
本发明涉及电容器制造领域,特别是一种超薄改性等规划聚丙烯电容器金属化膜及其制备方法。
背景技术
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。
电容芯子是电容器的心脏,因此电容器制造芯子材质必须具有耐高频,耐高
温,能承受大电流冲击的一种高分子聚丙烯膜作介质,才能保证整机长期稳定地工作。现有技术中大部分采用的介质为聚脂或聚丙烯光膜,电极为铝箔,也有少量产品使用聚丙烯金属化蒸镀膜。由于市场整机都面向于超薄型,微小型发展,虽然箔膜复合材料载流耐电能力强,但它的缺点是体积大不利于组装整机使用,另一缺点是聚丙烯膜与铝箔复合卷制等工艺难易控制,特别是在绕制芯子过程中因两者材质硬韧性的差异,会造成膜箔间出现间隙,至使材料在定型时热收缩不够充分,导致膜箔间容易被电击穿,报废率较高,造成了成本浪费。
发明内容
本发明的目的是提供一种超薄改性等规划聚丙烯电容器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:
一种超薄改性等规划聚丙烯电容器金属化膜,由下列重量份的原料制成:等规聚丙烯200、聚乙烯接枝马来酸酐3-4、2-乙基苯骈呋喃1-2、椰油酰胺丙基甜菜碱1-2、三乙醇胺1-2、1,6己二醇二丙烯酸酯4-6、促进剂CZ 1.5-2.0、交联剂TAC1-2、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、硅烷偶联剂KH-550 1-2、2,6- 二叔丁基对甲酚1-2、椴木灰烬1-2、当归油1-2;制备方法是将茂金属线性低密度聚乙烯加热至熔融状态,加入其它成分,搅拌分散均匀,冷却,造粒,即得。
本发明所述超薄改性等规划聚丙烯电容器金属化膜,由以下具体步骤制成:
(1)将等规聚丙烯、聚乙烯接枝马来酸酐、2-乙基苯骈呋喃、椰油酰胺丙基甜菜碱加热熔融,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。
本发明的有益效果为:本发明通过过滤,去除原料中的杂质,使原料性能好,降低了薄膜的报废率,不易破裂;采用电晕处理,提高了薄膜的耐压强度,防止击穿,而且机械强度大,降低热收缩率和内雾度,使用寿命长。
具体实施方式
下面通过具体实例对本发明进行详细说明。
一种超薄改性等规划聚丙烯电容器金属化膜,由下列重量份(公斤)的原料制成:等规聚丙烯200、聚乙烯接枝马来酸酐3、2-乙基苯骈呋喃1、椰油酰胺丙基甜菜碱1、三乙醇胺1、1,6己二醇二丙烯酸酯4、促进剂CZ 1.5、交联剂TAC1、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、硅烷偶联剂KH-550 1、2,6- 二叔丁基对甲酚2、椴木灰烬1、当归油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,加入其它成分,搅拌分散均匀,冷却,造粒,即得。
本发明所述超薄改性等规划聚丙烯电容器金属化膜,由以下具体步骤制成:
(1)将等规聚丙烯、聚乙烯接枝马来酸酐、2-乙基苯骈呋喃、椰油酰胺丙基甜菜碱加热熔融,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≥ 21Mpa、纵向拉伸强度≥ 16Mpa ;
(3)最小击穿电压 604Vv/um 。
Claims (2)
1.一种超薄改性等规划聚丙烯电容器金属化膜,其特征在于,由下列重量份的原料制成:等规聚丙烯200、聚乙烯接枝马来酸酐3-4、2-乙基苯骈呋喃1-2、椰油酰胺丙基甜菜碱1-2、三乙醇胺1-2、1,6己二醇二丙烯酸酯4-6、促进剂CZ 1.5-2.0、交联剂TAC1-2、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、硅烷偶联剂KH-550 1-2、2,6- 二叔丁基对甲酚1-2、椴木灰烬1-2、当归油1-2;制备方法是将茂金属线性低密度聚乙烯加热至熔融状态,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所述超薄改性等规划聚丙烯电容器金属化膜,其特征在于,由以下具体步骤制成:
(1)将等规聚丙烯、聚乙烯接枝马来酸酐、2-乙基苯骈呋喃、椰油酰胺丙基甜菜碱加热熔融,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。
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CN117552188A (zh) * | 2024-01-02 | 2024-02-13 | 西安科技大学 | 一种重质渣油基炭纤维膜及其制备方法和应用 |
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EP0909636A2 (en) * | 1997-10-17 | 1999-04-21 | Fina Technology, Inc. | Metallizable polypropylene films |
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CN117552188B (zh) * | 2024-01-02 | 2024-04-09 | 西安科技大学 | 一种重质渣油基炭纤维膜及其制备方法和应用 |
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