CN106543920A - 锑酸锌纳米球复合高温密封胶 - Google Patents

锑酸锌纳米球复合高温密封胶 Download PDF

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CN106543920A
CN106543920A CN201610960720.1A CN201610960720A CN106543920A CN 106543920 A CN106543920 A CN 106543920A CN 201610960720 A CN201610960720 A CN 201610960720A CN 106543920 A CN106543920 A CN 106543920A
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nanosphere
high temperature
fluid sealant
zinc antimonates
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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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    • C09J127/12—Adhesives 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 a halogen; Adhesives based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
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Abstract

本发明公开了一种锑酸锌纳米球复合高温密封胶，属于复合材料技术领域。该锑酸锌纳米球复合高温密封胶的质量百分比组成如下：锑酸锌纳米球40‑55％、丁苯‑羧基丁苯乳液15‑20％、呋喃树脂15‑20％、氟碳乳液15‑20％，所述锑酸锌纳米球的直径为30‑100nm。本发明以耐高温的锑酸锌纳米球、丁苯‑羧基丁苯乳液和呋喃树脂作为填料和胶粘剂，氟碳乳液作为防水剂，制备出锑酸锌纳米球复合高温密封胶。该密封胶具有良好的密封性、耐高温、耐腐蚀、热稳定、耐老化、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、阀门和管道等各种接缝或孔洞的密封方面具有良好的应用前景。

Description

锑酸锌纳米球复合高温密封胶
技术领域
本发明属于复合材料技术领域，具体涉及一种锑酸锌纳米球复合高温密封胶。
背景技术
密封胶是指以非定型状态嵌填接缝，并与接缝表面粘结成一体，实现粘结与密封，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。
国家发明专利“一种高温密封胶及其制备方法”(国家发明专利申请号：200810058057.1)公开了以PVC糊状树脂、聚脂树脂、大豆油、稳定剂、液体白油、苏打起泡剂作为主要原料制备出了一种符合食品安全、密封性能优良及杀菌时间达45分钟的用于密封食品的密封胶。国家发明专利“一种耐高温密封胶”(国家发明专利申请号：201410236754.7)公开了以空心微珠、丁腈橡胶、EVA热塑性弹性体、石蜡油、竹炭纤维、石墨烯、异氰酸酯、氢氧化铝、萜烯树脂、气相白炭黑、二芳基仲胺、聚硫橡胶、氧化锌、环氧树脂、丙烯酸酯乳液、甲壳素、乙醇、煤油、伊利石粉和凹凸棒土为原料制备出了一种耐高温密封胶。
随着工业的高速发展，密封胶的应用领域不断扩展，对密封胶的性能要求也越来越高，除了粘结与密封这两种基本功能外，密封胶还需要同时具有良好的耐高温、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锌纳米球、丁苯-羧基丁苯乳液、呋喃树脂和氟碳乳液作为原料，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锌纳米球复合高温密封胶。
本发明所提供的锑酸锌纳米球复合高温密封胶的质量百分比组成如下：
锑酸锌纳米球40-55％、丁苯-羧基丁苯乳液15-20％、呋喃树脂15-20％、氟碳乳液15-20％。
进一步的，所述锑酸锌纳米球的直径为30-100nm。
本发明所提供的锑酸锌纳米球的具体制备方法如下：
以锑酸钠、乙酸锌作为原料，水为溶剂，其中锑酸钠与乙酸锌的摩尔比为1:1，将锑酸钠、乙酸锌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，其中锑酸钠与乙酸锌的重量不大于水重量的50％。
本发明所提供的锑酸锌纳米球复合高温密封胶的具体制备方法如下：
按照质量比例称取锑酸锌纳米球、丁苯-羧基丁苯乳液、呋喃树脂和氟碳乳液，然后将丁苯-羧基丁苯乳液、呋喃树脂和氟碳乳液混合，接着加入锑酸锌纳米球，机械搅拌4-8小时混合均匀，最终得到了锑酸锌纳米球复合高温密封胶。
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锌纳米球、丁苯-羧基丁苯乳液和呋喃树脂作为填料和胶粘剂，氟碳乳液作为防水剂，可以制备出锑酸锌纳米球复合高温密封胶。这种密封胶具有良好的密封性、耐高温、耐腐蚀、热稳定、耐老化、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、阀门和管道等各种接缝或孔洞的密封方面具有良好的应用前景。
2、本发明采用的锑酸锌纳米球熔点高、耐腐蚀性强、稳定性好和无污染，所用原料都可以批量生产，可以实现锑酸锌纳米球复合高温密封胶的批量制备。
附图说明
图1为实施例1制备的锑酸锌纳米球复合高温密封胶的SEM图像；
从图可以看出锑酸锌纳米球复合高温密封胶由纳米球和无规则颗粒构成，纳米球的直径为30-100nm。
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
确定锑酸锌纳米球复合高温密封胶的质量百分比组成如下：
实施例2
确定锑酸锌纳米球复合高温密封胶的质量百分比组成如下：
实施例3
确定锑酸锌纳米球复合高温密封胶的质量百分比组成如下：
实施例4
确定锑酸锌纳米球复合高温密封胶的质量百分比组成如下：
实施例5
确定锑酸锌纳米球复合高温密封胶的质量百分比组成如下：
实施例6
确定锑酸锌纳米球复合高温密封胶的质量百分比组成如下：
实施例7
确定锑酸锌纳米球复合高温密封胶的质量百分比组成如下：
实施例8
确定锑酸锌纳米球复合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所得锑酸锌纳米球复合高温密封胶的特征参数如表1所示：
表1
项目 锑酸锌纳米球复合高温密封胶
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)

1.一种锑酸锌纳米球复合高温密封胶，其特征在于：以质量百分比计，该复合高温密封胶的配方如下：
2.如权利要求1所述一种锑酸锌纳米球复合高温密封胶，其特征在于：所述锑酸锌纳米球的直径为30-100nm。
CN201610960720.1A 2016-10-28 2016-10-28 锑酸锌纳米球复合高温密封胶 Pending CN106543920A (zh)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101302358A (zh) * 2007-05-09 2008-11-12 北京有色金属研究总院 一种无水纳米锑酸锌溶胶及其制备方法
CN105131439A (zh) * 2015-09-06 2015-12-09 安徽工业大学 一种铋酸锂纳米棒复合电子封装材料

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101302358A (zh) * 2007-05-09 2008-11-12 北京有色金属研究总院 一种无水纳米锑酸锌溶胶及其制备方法
CN105131439A (zh) * 2015-09-06 2015-12-09 安徽工业大学 一种铋酸锂纳米棒复合电子封装材料

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