CN103601926B - 一种高强度电容器用橡胶密封垫及其制备方法 - Google Patents
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Abstract
本发明公开了一种高强度电容器用橡胶密封垫，其特征在于，由下列重量份的原料制成：丁腈橡胶3304？85-95、硫磺1.3-2.5、氧化锌4-6、硬脂酸1-1.5、快压出碳黑30-35、三醋酸甘油酯8-10、草珊瑚精油1-2、二辛酯5-7、硫酸钡10-15？、促进剂M？3-4、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；本发明原料及配方合理，成本低廉，工艺简单，大大缩短了劳动时间，而且制造出来的密封垫产品高强度、低压缩变形、抗撕裂、耐制动液腐蚀、耐高低温性能卓越。
Description
技术领域
本发明涉及橡胶复合材料加工领域，特别是一种高强度电容器用橡胶密封垫及其制备方法。
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高强度电容器用橡胶密封垫及其制备方法。
为了实现本发明的目的，本发明通过以下方案实施：
一种高强度电容器用橡胶密封垫，由下列重量份的原料制成：丁腈橡胶330485-95、硫磺1.3-2.5、氧化锌4-6、硬脂酸1-1.5、快压出碳黑30-35、三醋酸甘油酯8-10、草珊瑚精油1-2、二辛酯5-7、硫酸钡10-15、促进剂M3-4、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30-35、1,6-己二异氰酸酯4-5、二缩三丙二醇二丙烯酸酯2-3、氧化锌5-6、玉石4-5、3-氨丙基三甲氧基硅烷2-3、氮化铝粉4-5、秸秆灰烬1-2、吗啉1-2、二甲基氧化锡1-2、茶多酚1-2；制备方法是将凹凸棒土、玉石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。
本发明所述高强度电容器用橡胶密封垫，由以下具体步骤制成：将丁腈橡胶3304、硬脂酸、三醋酸甘油酯、草珊瑚精油、二辛酯加入密炼机中，加热至80-90℃，混炼3-5min；然后升温至110-130℃，再加入硫磺、氧化锌、异丙苯、氧化镁、硫酸钡，混炼6-8min，再加入快压出炭黑、促进剂M继续混炼4-6min；加入其余剩余成分混炼5-6min，即得本发明橡胶材料。
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；本发明原料及配方合理，成本低廉，工艺简单，大大缩短了劳动时间，而且制造出来的密封垫产品高强度、低压缩变形、抗撕裂、耐制动液腐蚀、耐高低温性能卓越。
具体实施方式
下面通过具体实例对本发明进行详细说明。
一种高强度电容器用橡胶密封垫，由下列重量份（公斤）的原料制成：丁腈橡胶330485、硫磺1.3、氧化锌4、硬脂酸1、快压出碳黑30、三醋酸甘油酯8、草珊瑚精油1、二辛酯5、硫酸钡10、促进剂M3、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30、1,6-己二异氰酸酯4、二缩三丙二醇二丙烯酸酯2、氧化锌5、玉石4、3-氨丙基三甲氧基硅烷2、氮化铝粉4、秸秆灰烬1、吗啉1、二甲基氧化锡1、茶多酚1；制备方法是将凹凸棒土、玉石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。
本发明所述高强度电容器用橡胶密封垫，由以下具体步骤制成：将丁腈橡胶3304、硬脂酸、三醋酸甘油酯、草珊瑚精油、二辛酯加入密炼机中，加热至80-90℃，混炼3-5min；然后升温至110-130℃，再加入硫磺、氧化锌、异丙苯、氧化镁、硫酸钡，混炼6-8min，再加入快压出炭黑、促进剂M继续混炼4-6min；加入其余剩余成分混炼5-6min，即得本发明橡胶材料。
用本发明的耐腐蚀橡胶密封垫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垫产品，综合性能比较好。
Claims (1)
1.一种高强度电容器用橡胶密封垫，其特征在于，由下列重量份的原料制成：丁腈橡胶330485-95、硫磺1.3-2.5、氧化锌4-6、硬脂酸1-1.5、快压出碳黑30-35、三醋酸甘油酯8-10、草珊瑚精油1-2、二辛酯5-7、硫酸钡10-15、促进剂M3-4、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30-35、1,6-己二异氰酸酯4-5、二缩三丙二醇二丙烯酸酯2-3、氧化锌5-6、玉石4-5、3-氨丙基三甲氧基硅烷2-3、氮化铝粉4-5、秸秆灰烬1-2、吗啉1-2、二甲基氧化锡1-2、茶多酚1-2；制备方法是将凹凸棒土、玉石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。
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| CN109651664A (zh) * | 2018-11-27 | 2019-04-19 | 东莞市普隆电子有限公司 | 一种电容器用抗氧化绝缘树脂材料及其制备方法 |
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Effective date of registration: 20181225 Address after: 100039 Building No. 1, 51 Yongding Road, Haidian District, Beijing Patentee after: BEIJING REMOTE SENSING EQUIPMENT INSTITUTE Address before: 300110 Xindu Building 1-1-505-1 on the southwest side of the intersection of Weijin Road and Wandezhuang Street, Nankai District, Tianjin Patentee before: HUIJIAWANG (TIANJIN) TECHNOLOGY CO.,LTD. Effective date of registration: 20181225 Address after: 300110 Xindu Building 1-1-505-1 on the southwest side of the intersection of Weijin Road and Wandezhuang Street, Nankai District, Tianjin Patentee after: HUIJIAWANG (TIANJIN) TECHNOLOGY CO.,LTD. Address before: 242800 No. 33 Jiuhua Road, Ducun Township, Qingyang County, Chizhou City, Anhui Province Patentee before: Qian Qiuxia |