CN105802218B - 一种用于阀门密封的耐高温材料 - Google Patents
一种用于阀门密封的耐高温材料 Download PDFInfo
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Abstract
本发明公开了一种用于阀门密封的耐高温材料,所述材料含有的成份及其重量百分比为:聚苯并咪唑70‑75%、沥青碳纤维4‑6%、玻璃纤维5‑7%、铝铬合金纳米纤维3‑5%、石墨2‑4%、硫0.6‑0.8%,余量为矿物粉,优选的各成份质量百分比为聚苯并咪唑72%、沥青碳纤维4.8%、玻璃纤维6.4%、铝铬合金纳米纤维4%、石墨2.8%、硫0.8%,矿物粉9.2%,矿物粉不大于80目,所述的矿物粉为过氧化钛和氧化锌的混合物,优选的质量比例为2:5。本发明的用于阀门密封的耐高温材料在具有高耐热性的聚苯并咪唑里添加了多种其他材料,添加的材料在保证聚苯并咪唑高耐热性的基础上进一步提高了材料的耐腐蚀性和柔韧性,更加适用于阀门的密封材料。
Description
技术领域
本发明涉及一种耐高温材料,更确切地说,是一种用于阀门密封的耐高温材料。
背景技术
阀门是流体输送系统中的控制部件,具有截止、调节、导流、防止逆流、稳压、分流或溢流泄压等功能。用于流体控制系统的阀门,从最简单的截止阀到极为复杂的自控系统中所用的各种阀门,其品种和规格相当繁多。阀门可用于控制空气、水、蒸汽、各种腐蚀性介质、泥浆、油品、液态金属和放射性介质等各种类型流体的流动。
阀门作为一种流体输送系统中的控制部件要求具有较高的密封性,目前普遍使用的非金属密封材料的使用受外界温度影响较大,在高温环境下容易加速老化甚至失去密封性能。
发明内容
本发明主要是解决现有技术所存在的技术问题,从而提供一种可以在较高温度下长期保持化学性质稳定的用于阀门密封的耐高温材料。
本发明的上述技术问题主要是通过下述技术方案得以解决的:
一种用于阀门密封的耐高温材料,所述材料含有的成份及其重量百分比为:聚苯并咪唑70-75%、沥青碳纤维4-6%、玻璃纤维5-7%、铝铬合金纳米纤维3-5%、石墨2-4%、硫0.6-0.8%,余量为矿物粉。
作为本发明较佳的实施例,所述材料含有的成份及其重量百分比为:聚苯并咪唑72%、沥青碳纤维4.8%、玻璃纤维6.4%、铝铬合金纳米纤维4%、石墨2.8%、硫0.8%,矿物粉9.2%。
作为本发明较佳的实施例,所述的矿物粉不大于80目。
作为本发明较佳的实施例,所述的矿物粉为过氧化钛和氧化锌的混合物。
作为本发明较佳的实施例,所述的矿物粉中过氧化钛和氧化锌的重量比为2:5。
本发明的用于阀门密封的耐高温材料在具有高耐热性的聚苯并咪唑里添加了多种其他材料,添加的材料在保证聚苯并咪唑高耐热性的基础上进一步提高了材料的耐腐蚀性和柔韧性,更加适用于阀门的密封材料。
具体实施方式
以下通过具体实施例来详细说明本发明:
实施例1
按照质量百分比取如下材料:
聚苯并咪唑70%、沥青碳纤维4%、玻璃纤维5%、铝铬合金纳米纤维3%、石墨2%、硫0.6%,矿物粉15.4%。
矿物粉为重量比1:1过氧化钛和氧化锌的混合物,矿物粉为80目。
以上材料经过混料、烧件、定型后进行可靠性试验,使用温度为:-137℃--330℃。
实施例2
按照质量百分比取如下材料:
聚苯并咪唑72%、沥青碳纤维4.8%、玻璃纤维6.4%、铝铬合金纳米纤维4%、石墨2.8%、硫0.8%,矿物粉9.2%。
矿物粉为重量比2:5的过氧化钛和氧化锌混合物,矿物粉为70目。
以上材料经过混料、烧件、定型后进行可靠性试验,使用温度为:-105℃--560℃。
实施例3
按照质量百分比取如下材料:
聚苯并咪唑75%、沥青碳纤维6%、玻璃纤维7%、铝铬合金纳米纤维5%、石墨4%、硫0.8%,2.2%矿物粉。
矿物粉为重量比2:1的过氧化钛和氧化锌混合物,矿物粉为80目。
以上材料经过混料、烧件、定型后进行可靠性试验,使用温度为:-126℃--410℃。
Claims (1)
1.一种用于阀门密封的耐高温材料,其特征在于,所述材料含有的成份及其重量百分比为:聚苯并咪唑72%、沥青碳纤维4.8%、玻璃纤维6.4%、铝铬合金纳米纤维4%、石墨2.8%、硫0.8%,矿物粉9.2%,矿物粉为重量比2:5的过氧化钛和氧化锌混合物,矿物粉为70目。
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Citations (5)
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CN1427060A (zh) * | 2001-12-17 | 2003-07-02 | 中国石油天然气集团公司 | 高温带压堵漏用密封剂及其用法 |
CN1867645A (zh) * | 2003-10-10 | 2006-11-22 | 飞斯利德有限两合公司 | 增强复合材料膜形式的平面密封材料 |
CN1898489A (zh) * | 2003-12-22 | 2007-01-17 | E.I.内穆尔杜邦公司 | 多层密封结构 |
CN102212332A (zh) * | 2011-04-06 | 2011-10-12 | 中国制浆造纸研究院 | 一种无石棉纤维复合密封材料 |
CN102585436A (zh) * | 2012-01-12 | 2012-07-18 | 南京肯特复合材料有限公司 | 涡旋压缩机密封条的制备方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN1427060A (zh) * | 2001-12-17 | 2003-07-02 | 中国石油天然气集团公司 | 高温带压堵漏用密封剂及其用法 |
CN1867645A (zh) * | 2003-10-10 | 2006-11-22 | 飞斯利德有限两合公司 | 增强复合材料膜形式的平面密封材料 |
CN1898489A (zh) * | 2003-12-22 | 2007-01-17 | E.I.内穆尔杜邦公司 | 多层密封结构 |
CN102212332A (zh) * | 2011-04-06 | 2011-10-12 | 中国制浆造纸研究院 | 一种无石棉纤维复合密封材料 |
CN102585436A (zh) * | 2012-01-12 | 2012-07-18 | 南京肯特复合材料有限公司 | 涡旋压缩机密封条的制备方法 |
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