CN109233944A - 隧道盾构机盾尾密封材料 - Google Patents

隧道盾构机盾尾密封材料 Download PDF

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CN109233944A
CN109233944A CN201810998324.7A CN201810998324A CN109233944A CN 109233944 A CN109233944 A CN 109233944A CN 201810998324 A CN201810998324 A CN 201810998324A CN 109233944 A CN109233944 A CN 109233944A
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parts
sealing material
water
bisphenol
shield machine
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王羽
吴祖松
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Chongqing Jiaotong University
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Abstract

本发明公开了一种隧道盾构机盾尾密封材料，密封材料原料按重量份包括以下组分：环氧树脂20‑30份、含二氮杂萘酮结构的聚芳醚树脂10‑20份、聚醚砜1‑10份、双酚A2‑6份、六氟双酚A2‑6份、4，4’‑二氟二苯酮1‑5份、5‑10份纳米二氧化硅、石墨粉1‑5份、吸水颗粒5‑10份、增粘剂1‑3份、抗氧剂1‑3份；具有良好的防水密封性、润滑性、抗冲击性、抗氧化性以及优异的泵送性，并具有可降解性。

Description

隧道盾构机盾尾密封材料
技术领域
本发明涉及密封材料，特别涉及隧道盾构机盾尾密封材料。
背景技术
隧道盾构掘进机是隧道掘进施工的主要设备，盾构机在施工过程中其尾部与已安装管片存在着相互滑动，为了防止施工中外部的地下水、泥浆以及沙土颗粒等物质进入到盾构机盾首，因此就需要在盾构机盾尾和管片之间安装密封装置。因此盾尾密封脂就成了主要配套密封材料之一。现有的盾尾密封脂主要起到粘附作用，润滑性和机械稳定性不能很好地起到防水、抗冲击以及保持润滑材料的高效降解无污染等特性。
发明内容
有鉴于此，本发明的目的在于提供一种隧道盾构机盾尾密封材料，具有良好的防水密封性、润滑性、抗冲击性、抗氧化性以及优异的泵送性，并具有可降解性。
本发明的隧道盾构机盾尾密封材料，密封材料原料按重量份包括以下组分：环氧树脂20-30份、含二氮杂萘酮结构的聚芳醚树脂10-20份、聚醚砜1-10份、双酚A2-6份、六氟双酚A2-6份、4，4’-二氟二苯酮1-5份、5-10份纳米二氧化硅、石墨粉1-5份、吸水颗粒5-10份、增粘剂1-3份、抗氧剂1-3份；
所述增粘剂通过下述方式制得：将二甲基端羟基硅油、乙烯基三甲氧基硅烷和γ-(2，3-环氧丙氧)丙基三甲氧基硅烷与，氢氧化钡一水合物混合后加热至温度为80℃～100℃反应3～6小时，然后经减压抽滤后的滤液在100℃/-0.096MPa的条件下加压蒸馏处理，所述乙烯基三甲氧基硅烷、γ-(2，3-环氧丙氧)丙基三甲氧基硅烷和二甲基端羟基硅油的摩尔比为1：2：3，所述的氢氧化钡一水合物占反应物总质量的0.5～3％；
所述吸水颗粒通过下述方式制备：将魔芋精粉溶于水后加入环己烷、液体石蜡和司盘80，然后加入过硫酸铵、丙烯酸、N-N亚甲基双丙烯酰胺搅拌均匀后加热至60-70℃充分反应后静置，将下层产物干燥；
所述含二氮杂萘酮结构的聚芳醚树脂为聚芳醚砜酮、聚芳醚酮酮和聚芳醚腈的混合物；
所述石墨为烧结石墨并经金属浸渍剂浸渍处理；
所述纳米二氧化硅经下述方式处理：将纳米二氧化硅在搅拌速度为10000r/min下搅拌80min后与十二烷基苯磺酸钠混合后超声处理5min，获得中径为0.60um的纳米二氧化硅，所述十二烷基苯磺酸钠的添加量占纳米二氧化硅的重量比为2％；
进一步，所述抗氧剂为为2,6-二叔丁基对甲酚、烷基化基-α-萘胺和迷迭香的复配；按质量比2,6-二叔丁基对甲酚：烷基化基-α-萘胺：迷迭香＝4：2：1；
进一步，密封材料原料按重量份包括以下组分：环氧树脂25份、含二氮杂萘酮结构的聚芳醚树脂15份、聚醚砜5份、双酚A4份、六氟双酚A4份、4，4’-二氟二苯酮3份、7份纳米二氧化硅、石墨粉3份、吸水颗粒7份、增粘剂2份、抗氧剂2份。
本发明的有益效果：本发明的隧道盾构机盾尾密封材料，具有良好的防水密封性、润滑性、抗冲击性、抗氧化性以及优异的泵送性，并具有可降解性。
具体实施方式
实施例一
本实施例的隧道盾构机盾尾密封材料，密封材料原料按重量份包括以下组分：环氧树脂20-30份、含二氮杂萘酮结构的聚芳醚树脂10份、聚醚砜1份、双酚A2份、六氟双酚A2份、4，4’-二氟二苯酮1份、5份纳米二氧化硅、石墨粉1份、吸水颗粒5份、增粘剂1份、抗氧剂1份；
所述增粘剂通过下述方式制得：将二甲基端羟基硅油、乙烯基三甲氧基硅烷和γ-(2，3-环氧丙氧)丙基三甲氧基硅烷与，氢氧化钡一水合物混合后加热至温度为80℃反应3小时，然后经减压抽滤后的滤液在100℃/-0.096MPa的条件下加压蒸馏处理，所述乙烯基三甲氧基硅烷、γ-(2，3-环氧丙氧)丙基三甲氧基硅烷和二甲基端羟基硅油的摩尔比为1：2：3，所述的氢氧化钡一水合物占反应物总质量的0.5％；
所述吸水颗粒通过下述方式制备：将魔芋精粉溶于水后加入环己烷、液体石蜡和司盘80，然后加入过硫酸铵、丙烯酸、N-N亚甲基双丙烯酰胺搅拌均匀后加热至60℃充分反应后静置，将下层产物干燥。
实施例二
本实施例的隧道盾构机盾尾密封材料，密封材料原料按重量份包括以下组分：环氧树脂30份、含二氮杂萘酮结构的聚芳醚树脂20份、聚醚砜10份、双酚A6份、六氟双酚A6份、4，4’-二氟二苯酮5份、10份纳米二氧化硅、石墨粉5份、吸水颗粒10份、增粘剂3份、抗氧剂3份；
所述增粘剂通过下述方式制得：将二甲基端羟基硅油、乙烯基三甲氧基硅烷和γ-(2，3-环氧丙氧)丙基三甲氧基硅烷与，氢氧化钡一水合物混合后加热至温度为100℃反应6小时，然后经减压抽滤后的滤液在100℃/-0.096MPa的条件下加压蒸馏处理，所述乙烯基三甲氧基硅烷、γ-(2，3-环氧丙氧)丙基三甲氧基硅烷和二甲基端羟基硅油的摩尔比为1：2：3，所述的氢氧化钡一水合物占反应物总质量的3％；
所述吸水颗粒通过下述方式制备：将魔芋精粉溶于水后加入环己烷、液体石蜡和司盘80，然后加入过硫酸铵、丙烯酸、N-N亚甲基双丙烯酰胺搅拌均匀后加热至70℃充分反应后静置，将下层产物干燥。
实施例三
本实施例的隧道盾构机盾尾密封材料，密封材料原料按重量份包括以下组分：环氧树脂20份、含二氮杂萘酮结构的聚芳醚树脂20份、聚醚砜1份、双酚A6份、六氟双酚A2份、4，4’-二氟二苯酮5份、5份纳米二氧化硅、石墨粉5份、吸水颗粒5份、增粘剂3份、抗氧剂1份；
所述增粘剂通过下述方式制得：将二甲基端羟基硅油、乙烯基三甲氧基硅烷和γ-(2，3-环氧丙氧)丙基三甲氧基硅烷与，氢氧化钡一水合物混合后加热至温度为80℃反应36小时，然后经减压抽滤后的滤液在100℃/-0.096MPa的条件下加压蒸馏处理，所述乙烯基三甲氧基硅烷、γ-(2，3-环氧丙氧)丙基三甲氧基硅烷和二甲基端羟基硅油的摩尔比为1：2：3，所述的氢氧化钡一水合物占反应物总质量的1％；
所述吸水颗粒通过下述方式制备：将魔芋精粉溶于水后加入环己烷、液体石蜡和司盘80，然后加入过硫酸铵、丙烯酸、N-N亚甲基双丙烯酰胺搅拌均匀后加热至65℃充分反应后静置，将下层产物干燥。
实施例四
本实施例的隧道盾构机盾尾密封材料，密封材料原料按重量份包括以下组分：环氧树脂30份、含二氮杂萘酮结构的聚芳醚树脂10份、聚醚砜10份、双酚A2份、六氟双酚A6份、4，4’-二氟二苯酮1份、10份纳米二氧化硅、石墨粉1份、吸水颗粒10份、增粘剂1份、抗氧剂3份；
所述增粘剂通过下述方式制得：将二甲基端羟基硅油、乙烯基三甲氧基硅烷和γ-(2，3-环氧丙氧)丙基三甲氧基硅烷与，氢氧化钡一水合物混合后加热至温度为90℃反应4小时，然后经减压抽滤后的滤液在100℃/-0.096MPa的条件下加压蒸馏处理，所述乙烯基三甲氧基硅烷、γ-(2，3-环氧丙氧)丙基三甲氧基硅烷和二甲基端羟基硅油的摩尔比为1：2：3，所述的氢氧化钡一水合物占反应物总质量的1.5％；
所述吸水颗粒通过下述方式制备：将魔芋精粉溶于水后加入环己烷、液体石蜡和司盘80，然后加入过硫酸铵、丙烯酸、N-N亚甲基双丙烯酰胺搅拌均匀后加热至65℃充分反应后静置，将下层产物干燥。
实施例五
本实施例的隧道盾构机盾尾密封材料，密封材料原料按重量份包括以下组分：环氧树脂25份、含二氮杂萘酮结构的聚芳醚树脂10份、聚醚砜10份、双酚A4份、六氟双酚A2份、4，4’-二氟二苯酮5份、7份纳米二氧化硅、石墨粉1份、吸水颗粒8份、增粘剂2份、抗氧剂2份；
所述增粘剂通过下述方式制得：将二甲基端羟基硅油、乙烯基三甲氧基硅烷和γ-(2，3-环氧丙氧)丙基三甲氧基硅烷与，氢氧化钡一水合物混合后加热至温度为805℃反应5小时，然后经减压抽滤后的滤液在100℃/-0.096MPa的条件下加压蒸馏处理，所述乙烯基三甲氧基硅烷、γ-(2，3-环氧丙氧)丙基三甲氧基硅烷和二甲基端羟基硅油的摩尔比为1：2：3，所述的氢氧化钡一水合物占反应物总质量的2％；
所述吸水颗粒通过下述方式制备：将魔芋精粉溶于水后加入环己烷、液体石蜡和司盘80，然后加入过硫酸铵、丙烯酸、N-N亚甲基双丙烯酰胺搅拌均匀后加热至68℃充分反应后静置，将下层产物干燥。
实施例六
本实施例的隧道盾构机盾尾密封材料，密封材料原料按重量份包括以下组分：环氧树脂25份、含二氮杂萘酮结构的聚芳醚树脂15份、聚醚砜5份、双酚A4份、六氟双酚A4份、4，4’-二氟二苯酮3份、7份纳米二氧化硅、石墨粉3份、吸水颗粒7份、增粘剂2份、抗氧剂2份。
所述增粘剂通过下述方式制得：将二甲基端羟基硅油、乙烯基三甲氧基硅烷和γ-(2，3-环氧丙氧)丙基三甲氧基硅烷与，氢氧化钡一水合物混合后加热至温度为85℃反应4小时，然后经减压抽滤后的滤液在100℃/-0.096MPa的条件下加压蒸馏处理，所述乙烯基三甲氧基硅烷、γ-(2，3-环氧丙氧)丙基三甲氧基硅烷和二甲基端羟基硅油的摩尔比为1：2：3，所述的氢氧化钡一水合物占反应物总质量的2.5％；
所述吸水颗粒通过下述方式制备：将魔芋精粉溶于水后加入环己烷、液体石蜡和司盘80，然后加入过硫酸铵、丙烯酸、N-N亚甲基双丙烯酰胺搅拌均匀后加热至65℃充分反应后静置，将下层产物干燥。
上述实施例中，所述含二氮杂萘酮结构的聚芳醚树脂为聚芳醚砜酮、聚芳醚酮酮和聚芳醚腈的混合物；
所述石墨为烧结石墨并经金属浸渍剂浸渍处理；
所述纳米二氧化硅经下述方式处理：将纳米二氧化硅在搅拌速度为10000r/min下搅拌80min后与十二烷基苯磺酸钠混合后超声处理5min，获得中径为0.60um的纳米二氧化硅，所述十二烷基苯磺酸钠的添加量占纳米二氧化硅的重量比为2％；
所述抗氧剂为为2,6-二叔丁基对甲酚、烷基化基-α-萘胺和迷迭香的复配；按质量比2,6-二叔丁基对甲酚：烷基化基-α-萘胺：迷迭香＝4：2：1。
最后说明的是，以上实施例仅用以说明本发明的技术方案而非限制，尽管参照较佳实施例对本发明进行了详细说明，本领域的普通技术人员应当理解，可以对本发明的技术方案进行修改或者等同替换，而不脱离本发明技术方案的宗旨和范围，其均应涵盖在本发明的权利要求范围当中。

Claims (3)

1.一种隧道盾构机盾尾密封材料，其特征在于：密封材料原料按重量份包括以下组分：环氧树脂20-30份、含二氮杂萘酮结构的聚芳醚树脂10-20份、聚醚砜1-10份、双酚A2-6份、六氟双酚A2-6份、4，4’-二氟二苯酮1-5份、5-10份纳米二氧化硅、石墨粉1-5份、吸水颗粒5-10份、增粘剂1-3份、抗氧剂1-3份；
所述增粘剂通过下述方式制得：将二甲基端羟基硅油、乙烯基三甲氧基硅烷和γ-(2，3-环氧丙氧)丙基三甲氧基硅烷与，氢氧化钡一水合物混合后加热至温度为80℃～100℃反应3～6小时，然后经减压抽滤后的滤液在100℃/-0.096MPa的条件下加压蒸馏处理，所述乙烯基三甲氧基硅烷、γ-(2，3-环氧丙氧)丙基三甲氧基硅烷和二甲基端羟基硅油的摩尔比为1：2：3，所述的氢氧化钡一水合物占反应物总质量的0.5～3％；
所述吸水颗粒通过下述方式制备：将魔芋精粉溶于水后加入环己烷、液体石蜡和司盘80，然后加入过硫酸铵、丙烯酸、N-N亚甲基双丙烯酰胺搅拌均匀后加热至60-70℃充分反应后静置，将下层产物干燥；
所述含二氮杂萘酮结构的聚芳醚树脂为聚芳醚砜酮、聚芳醚酮酮和聚芳醚腈的混合物；
所述石墨为烧结石墨并经金属浸渍剂浸渍处理；
所述纳米二氧化硅经下述方式处理：将纳米二氧化硅在搅拌速度为10000r/min下搅拌80min后与十二烷基苯磺酸钠混合后超声处理5min，获得中径为0.60um的纳米二氧化硅，所述十二烷基苯磺酸钠的添加量占纳米二氧化硅的重量比为2％。
2.根据权利要求1所述的隧道盾构机盾尾密封材料，其特征在于：所述抗氧剂为为2,6-二叔丁基对甲酚、烷基化基-α-萘胺和迷迭香的复配；按质量比2,6-二叔丁基对甲酚：烷基化基-α-萘胺：迷迭香＝4：2：1。
3.根据权利要求1所述的隧道盾构机盾尾密封材料，其特征在于：密封材料原料按重量份包括以下组分：环氧树脂25份、含二氮杂萘酮结构的聚芳醚树脂15份、聚醚砜5份、双酚A4份、六氟双酚A4份、4，4’-二氟二苯酮3份、7份纳米二氧化硅、石墨粉3份、吸水颗粒7份、增粘剂2份、抗氧剂2份。
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