CN103694580B - 一种混合橡胶电容器密封圈及其制备方法 - Google Patents
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Abstract
本发明公开了一种混合橡胶电容器密封圈，其特征在于，由下列重量份的原料制成：丁基橡胶CBK139？73-78、丁腈橡胶20-24、氧化锌3-4、硬脂酸2-3、防老剂4010？1-2、硫磺1-2、氟硅酸钠10-12、硫酸钡4-6、苯酚1-2、促进剂TMTD？1-1.2、柠檬酸三丁酯7-9、炭黑220？40-45、乙撑双硬脂酰胺1.2-1.5、羊毛脂4-6、改性凹凸棒土12-15；本发明添加改性凹凸棒土，改善了胶料的工艺性能，使用环保型配合剂，减少其毒副作用和对环境的污染；本发明配方合理，生产工艺简单，原料混炼均匀，耐压、耐油性能好，使用寿命长。
Description
技术领域
本发明涉及橡胶复合材料加工领域，特别是一种混合橡胶电容器密封圈及其制备方法。
背景技术
电容器通常简称为电容，是电子设备中大量使用的电子元件之一，广泛应用于电路的隔直通交、耦合、旁路、滤波、调谐回路、能量转换、控制等方面。电容器由壳体、电容芯子、端盖及接线端子组成，电容器壳体内装有浸渍介质，浸渍介质一般为植物油或矿物油，电容器的密封部位均设有密封垫或密封圈，由于电容器的工作环境千差万别，有的电容器需要在恶劣的环境下工作，电容器密封垫需要耐高温、耐寒、耐酸碱、耐盐雾等有不同要求。
发明内容
本发明的目的是提供一种混合橡胶电容器密封圈及其制备方法。
为了实现本发明的目的，本发明通过以下方案实施：
一种混合橡胶电容器密封圈，由下列重量份的原料制成：丁基橡胶CBK13973-78、丁腈橡胶20-24、氧化锌3-4、硬脂酸2-3、防老剂40101-2、硫磺1-2、氟硅酸钠10-12、硫酸钡4-6、苯酚1-2、促进剂TMTD1-1.2、柠檬酸三丁酯7-9、炭黑22040-45、乙撑双硬脂酰胺1.2-1.5、羊毛脂4-6、改性凹凸棒土12-15；
所述改性凹凸棒土由下列重量份的原料制成：凹凸棒土20-24、甲苯二异氰酸酯3-4、二缩三丙二醇二丙烯酸酯2-3、粘土12-15、纳米二氧化钛3-4、氟化锆1-2、甲基三乙氧基硅烷1-2、二茂铁1-2、促进剂TMTD1-2、氢氧化铝8-10、2-氨基-2-甲基-1-丙醇2-3、花椒籽油1-2；制备方法是将凹凸棒土、粘土混合放入煅烧炉中在700-720℃下煅烧3-4小时，冷却，放入10-12%盐酸溶液中浸泡1-2小时，过滤取出，用清水洗净烘干，粉碎成200-300目粉末，与其它剩余成分混合，研磨分散1-2小时，即得。
本发明所述混合橡胶电容器密封圈，由以下具体步骤制成：将丁基橡胶CBK139、丁腈橡胶、氧化锌、硬脂酸、防老剂4010、柠檬酸三丁酯、羊毛脂加入密炼机中，加热至80-85℃，混炼3-5min；然后升温至110-130℃，再加入硫磺、氟硅酸钠、硫酸钡、苯酚、促进剂TMTD，混炼6-8min，再加入炭黑220、乙撑双硬脂酰胺继续混炼4-6min，加入其余剩余成分混炼5-6min，即得本发明橡胶料。
本发明的优异效果是：本发明添加改性凹凸棒土，改善了胶料的工艺性能，使用环保型配合剂，减少其毒副作用和对环境的污染；本发明配方合理，生产工艺简单，原料混炼均匀，耐压、耐油性能好，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。
一种混合橡胶电容器密封圈，由下列重量份（公斤）的原料制成：丁基橡胶CBK13973、丁腈橡胶20、氧化锌3、硬脂酸2、防老剂40101、硫磺1、氟硅酸钠10、硫酸钡4、苯酚1、促进剂TMTD1、柠檬酸三丁酯7、炭黑22040、乙撑双硬脂酰胺1.2、羊毛脂4、改性凹凸棒土12；
所述改性凹凸棒土由下列重量份（公斤）的原料制成：凹凸棒土20、甲苯二异氰酸酯3、二缩三丙二醇二丙烯酸酯2、粘土12、纳米二氧化钛3、氟化锆1、甲基三乙氧基硅烷1、二茂铁1、促进剂TMTD1、氢氧化铝8、2-氨基-2-甲基-1-丙醇2、花椒籽油1；制备方法是将凹凸棒土、粘土混合放入煅烧炉中在700-720℃下煅烧3-4小时，冷却，放入10-12%盐酸溶液中浸泡1-2小时，过滤取出，用清水洗净烘干，粉碎成200-300目粉末，与其它剩余成分混合，研磨分散1-2小时，即得。
本发明所述混合橡胶电容器密封圈，由以下具体步骤制成：将丁基橡胶CBK139、丁腈橡胶、氧化锌、硬脂酸、防老剂4010、柠檬酸三丁酯、羊毛脂加入密炼机中，加热至80-85℃，混炼3-5min；然后升温至110-130℃，再加入硫磺、氟硅酸钠、硫酸钡、苯酚、促进剂TMTD，混炼6-8min，再加入炭黑220、乙撑双硬脂酰胺继续混炼4-6min，加入其余剩余成分混炼5-6min，即得本发明橡胶料。
用本发明的耐腐蚀橡胶密封圈与普通胶料物理性能对比如下表。
_________________________________________________________________
从表中可以看出用本发明的橡胶密封圈产品，综合性能比较好。
Claims (1)
1.一种混合橡胶电容器密封圈，其特征在于，由下列重量份的原料制成：丁基橡胶CBK13973-78、丁腈橡胶20-24、氧化锌3-4、硬脂酸2-3、防老剂40101-2、硫磺1-2、氟硅酸钠10-12、硫酸钡4-6、苯酚1-2、促进剂TMTD1-1.2、柠檬酸三丁酯7-9、炭黑22040-45、乙撑双硬脂酰胺1.2-1.5、羊毛脂4-6、改性凹凸棒土12-15；
所述改性凹凸棒土由下列重量份的原料制成：凹凸棒土20-24、甲苯二异氰酸酯3-4、二缩三丙二醇二丙烯酸酯2-3、粘土12-15、纳米二氧化钛3-4、氟化锆1-2、甲基三乙氧基硅烷1-2、二茂铁1-2、促进剂TMTD1-2、氢氧化铝8-10、2-氨基-2-甲基-1-丙醇2-3、花椒籽油1-2；制备方法是将凹凸棒土、粘土混合放入煅烧炉中在700-720℃下煅烧3-4小时，冷却，放入10-12%盐酸溶液中浸泡1-2小时，过滤取出，用清水洗净烘干，粉碎成200-300目粉末，与其它剩余成分混合，研磨分散1-2小时，即得；
所述混合橡胶电容器密封圈由以下具体步骤制成：将丁基橡胶CBK139、丁腈橡胶、氧化锌、硬脂酸、防老剂4010、柠檬酸三丁酯、羊毛脂加入密炼机中，加热至80-85℃，混炼3-5min；然后升温至110-130℃，再加入硫磺、氟硅酸钠、硫酸钡、苯酚、促进剂TMTD，混炼6-8min，再加入炭黑220、乙撑双硬脂酰胺继续混炼4-6min，加入其余剩余成分混炼5-6min，即得本发明橡胶料。
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| CN102153103A (zh) * | 2010-12-10 | 2011-08-17 | 明光市天骄科技发展有限公司 | 一种改性凹凸棒石粘土的制备方法及其应用 |
| CN103012891A (zh) * | 2012-11-25 | 2013-04-03 | 安徽六方重联机械股份有限公司 | 一种阀门密封垫胶料及其制备方法 |
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