CN106497461A - 锑酸镧纳米球高温密封胶 - Google Patents

锑酸镧纳米球高温密封胶 Download PDF

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CN106497461A
CN106497461A CN201610959434.3A CN201610959434A CN106497461A CN 106497461 A CN106497461 A CN 106497461A CN 201610959434 A CN201610959434 A CN 201610959434A CN 106497461 A CN106497461 A CN 106497461A
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nanosphere
acid lanthanum
metaantimmonic acid
seal adhesive
temperature seal
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裴立宅
林飞飞
魏天
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Anhui University of Technology AHUT
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J133/00Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
    • C09J133/04Homopolymers or copolymers of esters
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02Non-macromolecular additives
    • C09J11/04Non-macromolecular additives inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J183/00Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
    • C09J183/04Polysiloxanes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/02Flame or fire retardant/resistant
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Sealing Material Composition (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

本发明公开了一种锑酸镧纳米球高温密封胶,属于复合材料技术领域。该锑酸镧纳米球高温密封胶的质量百分比组成如下:锑酸镧纳米球40‑55%、聚丙烯酸酯乳液15‑20%、水玻璃15‑20%、有机硅乳液15‑20%,所述锑酸镧纳米球的直径为40‑100nm。本发明以耐高温的锑酸镧纳米球、聚丙烯酸酯乳液和水玻璃作为填料和胶粘剂,有机硅乳液作为防水剂,可以制备出锑酸镧纳米球高温密封胶。该密封胶具有良好的密封性、耐高温、耐老化、耐腐蚀、热稳定、阻燃及耐水性能,在材料、化工、机械等高温、腐蚀性介质的容器、阀门和管道密封方面具有良好的应用前景。

Description

锑酸镧纳米球高温密封胶
技术领域
本发明属于复合材料技术领域,具体涉及一种锑酸镧纳米球高温密封胶。
背景技术
密封胶广泛应用于材料、化工、机械等领域,例如塑料、玻璃、陶瓷、金属类容器、阀门和管道等各种接缝或孔洞的粘结与密封,在空气中固化形成高性能弹性胶体,密封胶的质量决定着设备的寿命和使用可靠性。
国家发明专利“一种耐油橡胶密封材料”(国家发明专利申请号:201510045913.X)公开了以丁腈橡胶、天然橡胶、甲基高含氢硅油、氧化锌、硬脂酸、碳黑、防老剂(N-苯基-2-萘胺或2,2′-亚甲基双(4-甲基-6-叔丁基苯酚))和促进剂(4-4′-二硫代二吗啉或2-硫醇基苯并噻唑)为原料制备出了一种耐油橡胶密封材料。国家发明专利“耐腐蚀高温密封胶”(国家发明专利申请号:97118833.5)公开了以F46酚醛环氧树脂、NA酸酐、端羧基液体丁腈40、聚四氟乙烯、氟化钙、氟化锂、丁酮-2、正丙醇、甲苯及环己酮为原料制备出了一种耐腐蚀高温密封胶,使用温度低于200℃。
随着工业的快速发展,对密封胶性能的要求越来越高,尤其是用于高温的设备、管道及阀门等部件的密封,密封胶需要同时具有良好的密封、耐高温、耐腐蚀、耐老化、热稳定、阻燃及耐水等多种功能。
发明内容
本发明的目的是采用锑酸镧纳米球、聚丙烯酸酯乳液、水玻璃和有机硅乳液作为原料,以期得到具有良好的密封性、耐高温、耐腐蚀、耐老化、热稳定、阻燃及耐水性能的锑酸镧纳米球高温密封胶。
本发明所提供的锑酸镧纳米球高温密封胶的质量百分比组成如下:
锑酸镧纳米球40-55%、聚丙烯酸酯乳液15-20%、水玻璃15-20%、有机硅乳液15-20%。
进一步的,所述锑酸镧纳米球的直径为40-100nm。
本发明所提供的锑酸镧纳米球的具体制备方法如下:
以锑酸钠、乙酸镧作为原料,水为溶剂,其中锑酸钠与乙酸镧的摩尔比为1:1,将锑酸钠、乙酸镧与水均匀混合后置于反应容器内并密封,于温度120-200℃、保温12-48h,其中锑酸钠与乙酸镧的重量不大于水重量的50%。
本发明所提供的锑酸镧纳米球高温密封胶的具体制备方法如下:
按照质量比例称取锑酸镧纳米球、聚丙烯酸酯乳液、水玻璃和有机硅乳液,然后将聚丙烯酸酯乳液、水玻璃和有机硅乳液混合,接着加入锑酸镧纳米球,机械搅拌4-8小时混合均匀,最终得到了锑酸镧纳米球高温密封胶。
与现有技术相比,本发明具有以下技术效果:
1、本发明以耐高温的锑酸镧纳米球、聚丙烯酸酯乳液和水玻璃作为填料和胶粘剂,有机硅乳液作为防水剂,可以制备出锑酸镧纳米球高温密封胶。这种密封胶具有良好的密封性、耐高温、耐老化、耐腐蚀、热稳定、阻燃及耐水性能,在材料、化工、机械等高温、腐蚀性介质的容器、阀门和管道密封方面具有良好的应用前景。
2、本发明采用的锑酸镧纳米球熔点高、耐腐蚀性强、稳定性好和无污染,所用原料都可以批量生产,可以实现锑酸镧纳米球高温密封胶的批量制备。
附图说明
图1为实施例1制备的锑酸镧纳米球高温密封胶的SEM图像;
从图可以看出锑酸镧纳米球高温密封胶由纳米球和无规则颗粒构成,纳米球的直径为40-100nm。
具体实施方式
以下结合具体实施例详述本发明,但本发明不局限于下述实施例。
实施例1
确定锑酸镧纳米球高温密封胶的质量百分比组成如下:
实施例2
确定锑酸镧纳米球高温密封胶的质量百分比组成如下:
实施例3
确定锑酸镧纳米球高温密封胶的质量百分比组成如下:
实施例4
确定锑酸镧纳米球高温密封胶的质量百分比组成如下:
实施例5
确定锑酸镧纳米球高温密封胶的质量百分比组成如下:
实施例6
确定锑酸镧纳米球高温密封胶的质量百分比组成如下:
实施例7
确定锑酸镧纳米球高温密封胶的质量百分比组成如下:
实施例8
确定锑酸镧纳米球高温密封胶的质量百分比组成如下:
本发明实施例1到实施例8所得锑酸镧纳米球高温密封胶的特征参数如表1所示:
表1
项目 锑酸镧纳米球高温密封胶
外观 细腻、均匀膏状物
表干时间(min) 15-30
挤出性(mL/min) 70-150
拉伸强度(MPa) ≥10
70℃×70h热空气老化 抗拉强度变化1-2%
密封工作压力(MPa) ≤50
耐碱性 在1mol/L NaOH溶液内48h无异常
耐酸性 在1mol/L HCl溶液内48h无异常
耐水性 96h无异常
使用温度(℃) ≤350

Claims (2)

1.一种锑酸镧纳米球高温密封胶,其特征在于:以质量百分比计,该高温密封胶的配方如下:
2.如权利要求1所述一种锑酸镧纳米球高温密封胶,其特征在于:所述锑酸镧纳米球的直径为40-100nm。
CN201610959434.3A 2016-10-28 2016-10-28 锑酸镧纳米球高温密封胶 Pending CN106497461A (zh)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001098144A (ja) * 1999-09-29 2001-04-10 Toshiba Corp エポキシ樹脂組成物及び樹脂封止型半導体装置
CN104830256A (zh) * 2015-04-23 2015-08-12 铜陵祥云消防科技有限责任公司 一种耐水耐高温密封胶及其制备方法
CN105111603A (zh) * 2015-09-06 2015-12-02 安徽工业大学 钼酸铜纳米棒复合电子封装材料
CN105175965A (zh) * 2015-09-06 2015-12-23 安徽工业大学 一种钼酸锂纳米棒电子封装材料

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001098144A (ja) * 1999-09-29 2001-04-10 Toshiba Corp エポキシ樹脂組成物及び樹脂封止型半導体装置
CN104830256A (zh) * 2015-04-23 2015-08-12 铜陵祥云消防科技有限责任公司 一种耐水耐高温密封胶及其制备方法
CN105111603A (zh) * 2015-09-06 2015-12-02 安徽工业大学 钼酸铜纳米棒复合电子封装材料
CN105175965A (zh) * 2015-09-06 2015-12-23 安徽工业大学 一种钼酸锂纳米棒电子封装材料

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