CN103666355B - 一种导电银胶 - Google Patents
一种导电银胶 Download PDFInfo
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- CN103666355B CN103666355B CN201310605784.6A CN201310605784A CN103666355B CN 103666355 B CN103666355 B CN 103666355B CN 201310605784 A CN201310605784 A CN 201310605784A CN 103666355 B CN103666355 B CN 103666355B
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- solidifying agent
- silver glue
- conductive
- conductive silver
- curing catalyst
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 21
- 239000004332 silver Substances 0.000 title claims abstract description 21
- 239000003292 glue Substances 0.000 title claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- -1 isopropylcarbinol modified imidazole compounds Chemical class 0.000 claims abstract description 10
- 239000003054 catalyst Substances 0.000 claims abstract description 8
- 229930182470 glycoside Natural products 0.000 claims abstract description 7
- 150000002338 glycosides Chemical class 0.000 claims abstract description 7
- 229920005989 resin Polymers 0.000 claims abstract description 7
- 239000011347 resin Substances 0.000 claims abstract description 7
- 239000004020 conductor Substances 0.000 claims abstract description 6
- 239000003822 epoxy resin Substances 0.000 claims abstract description 6
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 12
- SRPWOOOHEPICQU-UHFFFAOYSA-N trimellitic anhydride Chemical compound OC(=O)C1=CC=C2C(=O)OC(=O)C2=C1 SRPWOOOHEPICQU-UHFFFAOYSA-N 0.000 claims description 7
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 4
- GTDPSWPPOUPBNX-UHFFFAOYSA-N ac1mqpva Chemical compound CC12C(=O)OC(=O)C1(C)C1(C)C2(C)C(=O)OC1=O GTDPSWPPOUPBNX-UHFFFAOYSA-N 0.000 claims description 3
- KZTYYGOKRVBIMI-UHFFFAOYSA-N diphenyl sulfone Chemical compound C=1C=CC=CC=1S(=O)(=O)C1=CC=CC=C1 KZTYYGOKRVBIMI-UHFFFAOYSA-N 0.000 claims description 3
- 125000006158 tetracarboxylic acid group Chemical group 0.000 claims description 3
- 229920001187 thermosetting polymer Polymers 0.000 abstract description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
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- Adhesives Or Adhesive Processes (AREA)
- Epoxy Resins (AREA)
Abstract
一种导电银胶,包括基础树脂、固化剂、固化促进剂及导电材料,其特征在于:所述基础树脂为环氧树脂,所述固化剂为酸苷类固化剂,所述固化促进剂为异丁醇改性咪唑类化合物,所述导电材料为银粉。本发明的热固性导电银胶可以有效降低固化时间。
Description
技术领域
本发明涉及一种导电银胶,属电子材料领域。
技术背景
导电银胶在电子、信息、电镀等行业被广泛应用,主要用于物体间的导电粘接。现有技术中导电胶的固化时间长,一方面很难满足需要快速固化的场合,另一方面,固化时间长会导致生产周期长,不利于节约生产成本。
发明内容
本发明的目的是提供一种能够快速固化的热固性导电银胶。
为实现以上目的,本发明的一种导电银胶,包括基础树脂、固化剂、固化促进剂及导电材料,其特征在于:所述基础树脂为环氧树脂,所述固化剂为酸苷类固化剂,所述固化促进剂为异丁醇改性咪唑类化合物,所述导电材料为银粉。
所述银粉为3-5μm片状银粉,填充量为总质量的60%-70%。
所述酸苷类固化剂为偏苯三甲酸酐、顺丁烯二酸酐、偏苯三甲酸酐乙二醇、二苯基砜四羧酸二酐中的一种或几种,用量为总质量的10%-20%。
所述异丁醇改性咪唑类固化促进剂的用量为总质量的0.5%-1%。
本发明产生的有益效果为,本发明采用酸苷类固化剂,并配合使用醋酸改性的咪唑类化合物,可以有效降低固化时间,且其固化物具有优良的电气性能和机械性能。
实施例
实施例1:
一种导电银胶,其组分与重量份为:环氧树脂20份,偏苯三甲酸酐10份,顺丁烯二酸酐5份,异丁醇改性咪唑类化合物0.5份,3μm片状银粉60份。得到的导电银胶固化时间为4.5min,体积电阻为3.4×10-4欧姆厘米,粘结强度为11MPa。
实施例2:
一种导电银胶,其组分与重量份为:环氧树脂20份,顺丁烯二酸酐、7份,偏苯三甲酸酐乙二醇6份,异丁醇改性咪唑类化合物1份,4μm片状银粉65份。得到的导电银胶固化时间为4.5min,体积电阻为3.3×10-4欧姆厘米,粘结强度为12MPa。
实施例3:
一种导电银胶,其组分与重量份为:环氧树脂20份,偏苯三甲酸酐乙二醇6份,二苯基砜四羧酸二酐10份,异丁醇改性咪唑类化合物1份,5μm片状银粉60份。得到的导电银胶固化时间为4.8min,体积电阻为2.9×10-4欧姆厘米,粘结强度为11MPa。
Claims (4)
1.一种导电银胶,包括基础树脂、固化剂、固化促进剂及导电材料,其特征在于:所述基础树脂为环氧树脂,所述固化剂为酸苷类固化剂,所述固化促进剂为异丁醇改性咪唑类化合物,所述导电材料为银粉,所述酸苷类固化剂的用量为总质量的10%-20%,所述异丁醇改性咪唑类固化促进剂的用量为总质量的0.5%-1%。
2.如权利要求1所述的一种导电银胶,其特征在于:所述银粉为3-5μm片状银粉。
3.如权利要求1所述的一种导电银胶,其特征在于:所述银粉填充量为总质量的60%-70%。
4.如权利要求1所述的一种导电银胶,其特征在于:所述酸苷类固化剂为偏苯三甲酸酐、顺丁烯二酸酐、偏苯三甲酸酐乙二醇、二苯基砜四羧酸二酐中的一种或几种。
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CN109096867A (zh) * | 2018-06-25 | 2018-12-28 | 西安交通大学 | 一种用于高压绝缘介质表面的防静电涂料及制备方法 |
CN110894411B (zh) * | 2019-12-16 | 2021-09-21 | 苏州瑞力博新材科技有限公司 | 一种用于叠瓦太阳能组件的环氧导电胶及制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2000309768A (ja) * | 1999-03-10 | 2000-11-07 | Korea Advanced Inst Of Sci Technol | プラスチック基板のフリップチップ接続用異方性伝導性接着剤の製造方法 |
CN102093833A (zh) * | 2010-12-06 | 2011-06-15 | 常州合润新材料科技有限公司 | 一种原位合成制备银导电胶的方法 |
CN102649899A (zh) * | 2011-06-01 | 2012-08-29 | 京东方科技集团股份有限公司 | 一种导电银胶及其制作方法 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000309768A (ja) * | 1999-03-10 | 2000-11-07 | Korea Advanced Inst Of Sci Technol | プラスチック基板のフリップチップ接続用異方性伝導性接着剤の製造方法 |
CN102093833A (zh) * | 2010-12-06 | 2011-06-15 | 常州合润新材料科技有限公司 | 一种原位合成制备银导电胶的方法 |
CN102649899A (zh) * | 2011-06-01 | 2012-08-29 | 京东方科技集团股份有限公司 | 一种导电银胶及其制作方法 |
Non-Patent Citations (1)
Title |
---|
《咪唑类环氧树脂固化剂研究进展》;刘全文等;《国外建材科技》;国外建材科技;20060331;第27卷(第3期);4-7 * |
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Inventor after: Cao Chahua Inventor before: Su Jianli |
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Effective date of registration: 20170406 Address after: 519125 Guangdong Province, Zhuhai city Doumen District Baijiao town two new road No. 26 (building a floor area B) Patentee after: Zhuhai City Electronics Co. Ltd. die Address before: 266061 Shandong, Laoshan, Hongkong East Road, No. Pioneering Park, biological park, room 248, No. 239 Patentee before: Qingdao Wenchuang Science & Technology Co., Ltd. |