|本期目录/Table of Contents|

[1]王清鑫,曲贺详,谢永刚,等.船用高阻尼丁腈橡胶/酚醛树脂/氯化石蜡复合材料的制备与性能[J].合成橡胶工业,2023,4:290-296.
 WANG Qing-xin,QU He-xiang,XIE Yong-gang,et al.Preparation and properties of marine high-damping nitrile rubber/phenolic resin/chlorinated paraffin composites[J].China synthetic rubber industy,2023,4:290-296.
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船用高阻尼丁腈橡胶/酚醛树脂/氯化石蜡复合材料的制备与性能(PDF)

《合成橡胶工业》[ISSN:1000-1255/CN:62-1036/TQ]

期数:
2023年4期
页码:
290-296
栏目:
出版日期:
2023-07-15

文章信息/Info

Title:
Preparation and properties of marine high-damping nitrile rubber/phenolic resin/chlorinated paraffin composites
文章编号:
1000-1255(2023)04-0290-07
作者:
王清鑫曲贺详谢永刚艾建阳柯 楠
中国人民解放军91411部队,辽宁 大连 116000
Author(s):
WANG Qing-xin QU He-xiang XIE Yong-gang AI Jian-yang KE Nan
Troops 91411 of Chinese People′s Liberation Army, Dalian 116000, China
关键词:
丁腈橡胶酚醛树脂氯化石蜡复合材料阻尼性能
Keywords:
nitrile rubber phenolic resin chlorinated paraffin composite damping property
分类号:
TQ 333.7
DOI:
DOI:10.19908/j.cnki.ISSN1000-1255.2023.04.0290
文献标识码:
A
摘要:
分别将酚醛树脂(PF)作为硫化剂和共混物与丁腈橡胶(NBR)结合,研究PF添加量对NBR力学性能、阻尼性能和耐油性能的影响,并向其中引入氯化石蜡(CP 52),制备在室温环境下具备高阻尼性能的NBR/PF/CP 52三元复合材料。结果表明,PF能显著拓宽NBR的有效阻尼温域并使其玻璃化转变温度向高温方向偏移;相比于NBR/PF共混胶,PF作为硫化剂制备的硫化胶具有更好的力学强度和耐油性能,添加50份(质量)PF硫化胶的拉伸强度和撕裂强度分别可达23.27 MPa和38.47 MPa,经72 h热油浸泡后的质量变化率仅为1.36%,满足工程应用需求。CP 52通过与NBR形成分子间强范德华力,能进一步增强NBR/PF复合材料的阻尼性能,当m(NBR)/m(PF)/m(CP 52)为100/50/75时,复合材料的有效阻尼温域为-9~45.5 ℃,损耗因子峰值高达1.48,在室温环境下具有很好的阻尼性能。
Abstract:
Phenolic resin (PF) was combined with nitrile rubber (NBR) as vulcanizing agent and blend respectively, the effects of PF amount on mechanical properties, damping properties and oil resistance of NBR were studied, and chlorinated paraffin (CP 52) was introduced into it to prepare NBR/PF/CP 52 ternary composites with high damping properties at room temperature. The results showed that PF could significantly broaden the effective damping temperature range of NBR and shift glass transition temperature of NBR to high temperature. Compared with NBR/PF blend, the vulcanizate prepared with PF as vulcanizing agent had better mechanical strength and oil resistance. The tensile strength and tear strength of the vulcanizate with 50 phr (mass) PF were 23.27 MPa and 38.47 MPa respectively, and the mass changerate was only 1.36% after 72 h of hot oil immersion, meeting the requirements of engineering application. CP 52 could further enhance the damping properties of the composite by forming a strong intermolecular van der Waals force with NBR. When m(NBR)/m(PF)/m(CP 52) was 100/50/75, the effective damping temperature range of the composite was -9-45.5 ℃, and the peak value of loss factor was up to 1.48, which had excellent damping properties at room temperature.

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备注/Memo

备注/Memo:
更新日期/Last Update: 1900-01-01