密封橡胶在硝酸异丙酯中的溶胀性能分析

doi:10.16085/j.issn.1000-6613.2017-1021

化工进展 ›› 2018, Vol. 37 ›› Issue (05): 1896-1901.DOI: 10.16085/j.issn.1000-6613.2017-1021

密封橡胶在硝酸异丙酯中的溶胀性能分析

吴力力, 丁玉奎, 甄建伟, 陈思扬

陆军工程大学石家庄校区弹药工程系, 河北石家庄 050003

收稿日期:2017-05-31 修回日期:2017-12-26 出版日期:2018-05-05 发布日期:2018-05-05
通讯作者: 丁玉奎,教授,研究方向为弹药工程。
作者简介:吴力力(1991-),男,硕士研究生。

Analysis of theswelling properties of sealing rubber in isopropyl nitrate(IPN)

WU Lili, DING Yukui, ZHEN Jianwei, CHEN Siyang

Department of Ammunition Engineering, Army Engineering University, Shijiazhuang 050003, Hebei, China

Received:2017-05-31 Revised:2017-12-26 Online:2018-05-05 Published:2018-05-05

摘要/Abstract

摘要： 丁腈橡胶作为硝酸异丙酯的密封材料，常常会发生硝酸异丙酯的渗漏挥发现象。为选择新的橡胶代替丁腈橡胶密封硝酸异丙酯，本文制备了丁腈橡胶与三元乙丙橡胶试样，测试经溶胀后丁腈橡胶与三元乙丙橡胶的质量与体积变化率、组织结构、表面形貌、力学性能，并对比了丁腈橡胶与三元乙丙橡胶溶胀后的性能。结果表明：丁腈橡胶与三元乙丙橡胶在硝酸异丙酯中溶胀后各方面性能均有所下降，但是三元乙丙橡胶溶胀后的性能要强于丁腈橡胶，显示出更好的耐硝酸异丙酯性能，建议使用三元乙丙橡胶并喷涂酚醛树脂液体密封胶密封硝酸异丙酯。

关键词: 聚合物, 扩散, 溶解

Abstract: Nitrile rubber is used as the sealing material of isopropyl nitrate but the leakage or vaporization of isopropyl nitrate frequently occurs. In order to select new rubber to replace nitrile rubber to seal isopropyl nitrate,nitrile rubber and EPDM rubber samples were prepared. The mass and volume change rate,structure,surface morphology and mechanical properties of nitrile rubber and EPDM rubber were measured,after which the swelling property were also tested. The results show that the properties of both nitrile rubber and EPDM rubber are decreased after swelling,but the performance of EPDM rubber is better than that of nitrile rubber. The isopropyl nitrate-resistant properties of EPDM are beter than that of nitrile rubber. Finally it recommends to use EPDM rubber and sprayed phenolic resin liquid sealant to seal isopropyl nitrate.

Key words: polymer, diffusion, dissolution

中图分类号:

TM411

吴力力, 丁玉奎, 甄建伟, 陈思扬. 密封橡胶在硝酸异丙酯中的溶胀性能分析[J]. 化工进展, 2018, 37(05): 1896-1901.

WU Lili, DING Yukui, ZHEN Jianwei, CHEN Siyang. Analysis of theswelling properties of sealing rubber in isopropyl nitrate(IPN)[J]. Chemical Industry and Engineering Progress, 2018, 37(05): 1896-1901.

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密封橡胶在硝酸异丙酯中的溶胀性能分析

Analysis of theswelling properties of sealing rubber in isopropyl nitrate(IPN)

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