CN110396273A - 一种水润滑静环复合材料 - Google Patents

一种水润滑静环复合材料 Download PDF

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CN110396273A
CN110396273A CN201910504339.8A CN201910504339A CN110396273A CN 110396273 A CN110396273 A CN 110396273A CN 201910504339 A CN201910504339 A CN 201910504339A CN 110396273 A CN110396273 A CN 110396273A
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stationary ring
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朱厚军
沈怡平
丁虎
白韬光
王亚鸿
朱晓清
徐斌
徐振洋
罗星星
王建君
张锐
张璐
崔心若
兰津津
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SHANGHAI HENGTUO INDUSTRY DEVELOPMENT Co Ltd
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Abstract

本发明涉及一种水润滑静环复合材料,所述静环复合材料按照重量份数计,包括树脂基体20~40份、纤维增强体30~50份、性能调节填料20~30份;所述性能调节填料为将无机填料以硅烷偶联剂乙醇溶液浸泡、过滤后烘干,以高速分散机分散均匀制得;所述树脂基体以乙醇溶液溶解稀释后,加入所述性能调节填料混匀制成混合溶液;所述纤维增强体包括复合纤维,所述复合纤维每三股呈品字形捻成一股,所述复合纤维包括长纤维和短纤维,所述短纤维均匀敷捻在长纤维上,所述纤维增强体通过混合溶液浸润、晾干并缠绕在圆环形芯模上,经加温加压后固化成型。本发明不仅解决了静环材料的工业化生产问题,而且制得的静环复合材料具有较好的韧性、耐磨性、吸水性和水润滑效果。

Description

一种水润滑静环复合材料
技术领域
本发明涉及密封材料技术领域,尤其涉及一种水润滑静环复合材料。
背景技术
一般的轴密封装置主要由摩擦副组成,摩擦副是动环和静环的总称,是构成机械密封最主要的元件。摩擦副运行时,由于受到弹簧力、密封液体压力、液膜开启力、摩擦力以及运行时惯性力等作用,静环部分磨损较快,需定期更换,所以静环在很大程度上决定了轴密封装置的使用性能和寿命。静环作为易损件必须具有机械强度高、自润滑性能好、耐磨性好、导热性好、耐热和热冲击性能好、耐腐蚀性能强、线膨胀系数小、加工工艺好、吸振性能强等优点。
国内生产使用的静环产品大多为橡胶、氟塑料及碳氟化合物材质,并且大多采用简单的热压成型工艺,所得到的产品抗压能力差,线速度低,耐热性能较差,易变形的缺点。对于国内的一些重大装备上使用的高端静环,依赖进口,技术上受制于人,而且价格高昂。
发明内容
本发明的目的在于克服现有技术存在的以上问题,提供一种水润滑静环复合材料。
为实现上述技术目的,达到上述技术效果,本发明通过以下技术方案实现:
一种水润滑静环复合材料,所述静环复合材料按照重量份数计,包括树脂基体20~40份、纤维增强体30~50份、性能调节填料20~30份;
所述性能调节填料为将无机填料以硅烷偶联剂乙醇溶液浸泡、过滤后烘干,以高速分散机分散均匀制得;
所述树脂基体以乙醇溶液溶解稀释后,加入所述性能调节填料混匀制成混合溶液;
所述纤维增强体包括复合纤维,所述复合纤维每三股呈品字形捻成一股,所述复合纤维包括长纤维和短纤维,所述短纤维均匀敷捻在长纤维上,所述纤维增强体通过混合溶液浸润、晾干并缠绕在圆环形芯模上,经加温加压后固化成型。
进一步地,所述静环复合材料按照重量份数计,包括树脂基体22~35份、纤维增强体33~47份、性能调节填料22~28份。
进一步地,所述树脂基体为增韧改性酚醛树脂和环氧树脂的混合物。
进一步地,所述长纤维包括芳纶、尼龙中的一种或两种。
进一步地,所述短纤维为芳纶和/或植物纤维,所述植物纤维包括黄麻、剑麻、棉、木棉中的一种或两种。
进一步地,所述无机填料为滑石粉、云母粉、聚乙烯蜡中的两种或三种。
进一步地,所述短纤维的长度为20-50mm。
进一步地,所述复合纤维的捻度为60-150。
本发明的有益效果是:1、树脂基体选用材料保证本发明产品具有更好的韧性和水润滑效果;2、所述短纤维均匀敷捻在长纤维上,长纤维每三股呈品字形捻成一股成为纤维增强体,使得本发明产品具有更好的吸水性和耐磨性;3、长纤维和短纤维的材料选择保证了本发明产品的耐磨性;4、本发明产品选用的性能调节填料能够有效地减小摩擦系数,同时可以作为内脱模剂;5、本发明产品解决了静环材料工业化生产的难题。
具体实施方式
下面将结合具体实施例,来详细说明本发明。
实施例一,一种水润滑静环复合材料,所述静环复合材料按照重量份数计,包括树脂基体20份、纤维增强体30份、性能调节填料20份;
所述性能调节填料为将无机填料以KH550乙醇溶液浸泡、过滤后烘干,所述无机填料为云母粉和聚乙烯蜡的混合物,以高速分散机分散均匀制得;
所述树脂基体以乙醇溶液溶解稀释后,加入所述性能调节填料混匀制成混合溶液,所述树脂基体为增韧改性酚醛树脂和环氧树脂的混合物;
所述纤维增强体包括复合纤维,所述复合纤维每三股呈品字形捻成一股,所述复合纤维的捻度为60,所述复合纤维包括长纤维和短纤维,所述长纤维为芳纶,所述短纤维为芳纶,所述短纤维的长度为20mm,所述短纤维均匀敷捻在长纤维上,所述纤维增强体通过混合溶液浸润、晾干并缠绕在圆环形芯模上,经加温加压后固化成型,然后制成本实施例中的静环复合材料。
本实施例中产品与进口静环材料的测试数据对比如下:
进口静环材料 本实施例
弯曲强度(MPa) 91.7~106 155
压缩强度(MPa) 110~131 143
洛氏硬度(HRM) 53.8~57.6 91
线性热膨胀系数(/℃) 2.3×10<sup>-6</sup> 1.7×10<sup>-6</sup>
热变形温度(℃) 156.1~191.4 243.1
实施例二,一种水润滑静环复合材料,所述静环复合材料按照重量份数计,包括树脂基体40份、纤维增强体50份、性能调节填料30份;
所述性能调节填料为将无机填料以KH602乙醇溶液浸泡,过滤后烘干,所述无机填料为滑石粉和聚乙烯蜡的混合物,以高速分散机分散均匀制得;
所述树脂基体以乙醇溶液溶解稀释后,加入所述性能调节填料混匀制成混合溶液,所述树脂基体为增韧改性酚醛树脂和环氧树脂的混合物;
所述纤维增强体包括复合纤维,所述复合纤维每三股呈品字形捻成一股,所述复合纤维的捻度为150,所述复合纤维包括长纤维和短纤维,所述长纤维为芳纶,所述短纤维为芳纶,所述短纤维的长度为50mm,所述短纤维均匀敷捻在长纤维上,所述纤维增强体通过混合溶液浸润、晾干并缠绕在圆环形芯模上,经加温加压后固化成型,然后制成本实施例中的静环复合材料。
本实施例中产品与进口静环材料的测试数据对比如下:
进口静环材料 本实施例
弯曲强度(MPa) 91.7~106 159
压缩强度(MPa) 110~131 145
洛氏硬度(HRM) 53.8~57.6 94
线性热膨胀系数(/℃) 2.3×10<sup>-6</sup> 20×10<sup>-6</sup>
热变形温度(℃) 156.1~191.4 257.9
实施例三,一种水润滑静环复合材料,所述静环复合材料按照重量份数计,包括树脂基体30份、纤维增强体40份、性能调节填料25份;
所述性能调节填料为将无机填料以KH550乙醇溶液浸泡,过滤后烘干,所述无机填料为云母粉、滑石粉和聚乙烯蜡混合物,以高速分散机分散均匀制得;
所述树脂基体以乙醇溶液溶解稀释后,加入所述性能调节填料混匀制成混合溶液,所述树脂基体为增韧改性酚醛树脂和环氧树脂的混合物;
所述纤维增强体包括复合纤维,所述复合纤维每三股呈品字形捻成一股,所述复合纤维的捻度为105,所述复合纤维包括长纤维和短纤维,所述长纤维为芳纶,所述短纤维为芳纶,所述短纤维的长度为35mm,所述短纤维均匀敷捻在长纤维上,所述纤维增强体通过混合溶液浸润、晾干并缠绕在圆环形芯模上,经加温加压后固化成型,然后制成本实施例中的静环复合材料。
本实施例中产品与进口静环材料的测试数据对比如下:
进口静环材料 本实施例
弯曲强度(MPa) 91.7~106 157
压缩强度(MPa) 110~131 144
洛氏硬度(HRM) 53.8~57.6 93
线性热膨胀系数(/℃) 2.3×10<sup>-6</sup> 18×10<sup>-6</sup>
热变形温度(℃) 156.1~191.4 249.7
以上显示和描述了本发明的基本原理、主要特征和本发明的优点。本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。

Claims (8)

1.一种水润滑静环复合材料,其特征在于:
所述静环复合材料按照重量份数计,包括树脂基体20~40份、纤维增强体30~50份、性能调节填料20~30份;
所述性能调节填料为将无机填料以硅烷偶联剂乙醇溶液浸泡、过滤后烘干,以高速分散机分散均匀制得;
所述树脂基体以乙醇溶液溶解稀释后,加入所述性能调节填料混匀制成混合溶液;
所述纤维增强体包括复合纤维,所述复合纤维每三股呈品字形捻成一股,所述复合纤维包括长纤维和短纤维,所述短纤维均匀敷捻在长纤维上,所述纤维增强体通过混合溶液浸润、晾干并缠绕在圆环形芯模上,经加温加压后固化成型。
2.根据权利要求1所述的水润滑静环复合材料,其特征在于:所述静环复合材料按照重量份数计,包括树脂基体22~35份、纤维增强体33~47份、性能调节填料22~28份。
3.根据权利要求1或2所述的水润滑静环复合材料,其特征在于:
所述树脂基体为增韧改性酚醛树脂和环氧树脂的混合物。
4.根据权利要求1所述的水润滑静环复合材料,其特征在于:所述长纤维包括芳纶、尼龙中的一种或两种。
5.根据权利要求1所述的水润滑静环复合材料,其特征在于:所述短纤维为芳纶和/或植物纤维,所述植物纤维包括黄麻、剑麻、棉、木棉中的一种或两种。
6.根据权利要求1所述的水润滑静环复合材料,其特征在于:所述无机填料为滑石粉、云母粉、聚乙烯蜡中的两种或三种。
7.根据权利要求1所述的水润滑静环复合材料,其特征在于:所述短纤维的长度为20-50mm。
8.根据权利要求1所述的水润滑静环复合材料,其特征在于:所述复合纤维的捻度为60-150。
CN201910504339.8A 2019-06-12 2019-06-12 一种水润滑静环复合材料 Pending CN110396273A (zh)

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CN113336996A (zh) * 2021-05-26 2021-09-03 广东工业大学 一种双纤维共增强的可回收pbat泡沫的制备方法

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CN113336996A (zh) * 2021-05-26 2021-09-03 广东工业大学 一种双纤维共增强的可回收pbat泡沫的制备方法

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