|本期目录/Table of Contents|

[1]侯森森,徐章燕,胡红兵*,等. 改性2-甲基戊二胺固化剂的制备及其性能研究 [J].武汉工程大学学报,2024,46(06):606-611.[doi:10.19843/j.cnki.CN42-1779/TQ.202306024]
 HOU Sensen,XU Zhangyan,HU Hongbing*,et al. Preparation of modified 2-methylpentanediamine curing agent and its performance [J].Journal of Wuhan Institute of Technology,2024,46(06):606-611.[doi:10.19843/j.cnki.CN42-1779/TQ.202306024]
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改性2-甲基戊二胺固化剂的制备及其性能研究
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
46
期数:
2024年06期
页码:
606-611
栏目:
化学与化学工程
出版日期:
2024-12-31

文章信息/Info

Title:
Preparation of modified 2-methylpentanediamine curing agent and its performance
文章编号:
1674 - 2869(2024)06 - 0591 - 08
作者:
1. 武汉工程大学化工与制药学院,湖北 武汉 430205;
2. 武汉工程大学化学与环境工程学院,湖北 武汉 430205;
3. 广州市金永固新材料有限公司,广东 广州 510700;
4. 广州麦科凌电力装备有限公司,广东 广州 510900;
5. 武汉东昌仓贮技术有限公司,湖北 武汉 430073
Author(s):
1. School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, China;
2. School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430205, China;
关键词:
Keywords:
分类号:
TQ323.5
DOI:
10.19843/j.cnki.CN42-1779/TQ.202306024
文献标志码:
A
摘要:
为了改进环氧树脂固化速度以及固化后的物理性能,用环氧树脂NPEL-128(EP128)对固化剂2-甲基戊二胺(DYTEK-A)改性,并加入苯甲醇(BA)稀释,通过改变用量得到不同改性固化剂。改性固化剂与环氧树脂混合固化后的材料最大硬度为82 HD、最大拉伸强度为30.77 MPa、最大断裂伸长率为89.60%,运用Gelprof 518树脂行为分析仪对固化过程进行评价分析,改性后的固化剂活性增加,固化速率提升。综合性能较好的改性固化剂合成条件为m(EP128)∶m(DYTEK-A)∶m(BA)=9∶32∶59,反应温度50 ℃,反应时间50 min。这些研究结果有助于深入了解固化剂对环氧树脂固化的影响,并为工业过程中固化剂改性提供了理论依据。
Abstract:
To improve the curing speed and physical properties of curing agents, the curing agent 2-methylpentanediamine (DYTEK-A) was madify using resin epoxy NPEL-128 (EP128) and diluted with benzyl alcohol (BA). Different modified curing agents were obtained by varying the amounts used. After mixing the modified curing agents with epoxy resin and curing, the material achieved a maximum hardness of 82 HD, a maximum tensile strength of 30.77 MPa, and a maximum elongation at break of 89.60%. The curing process was evaluated and analyzed using a Gelprof 518 resin behavior analyzer. The activity of the modified curing agent increased, and the curing rate was enhanced. The optimal synthesis conditions for the modified curing agent were m(EP128)∶m(DYTEK-A)∶m(BA) = 9∶32∶59, reaction temperature of 50 ℃, and reaction time of 50 minutes. These research results help to deepen the understanding of the influence of the curing of epoxy resin on curing agents and provide a theoretical basis for the modification of curing agents in industrial processes.

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备注/Memo

备注/Memo:
收稿日期:2023-06-26
基金项目:国家自然科学基金(22272124);武汉工程大学研究生教育创新基金(CX2023014)
作者简介:侯森森,硕士研究生。Email:[email protected]
*通信作者:闫志国,博士,教授。Email:[email protected];胡红兵,博士研究生。Email:[email protected]
引文格式:侯森森,徐章燕,胡红兵,等. 改性2-甲基戊二胺固化剂的制备及其性能研究[J]. 武汉工程大学学报,2024,46(6):606-611.
更新日期/Last Update: 2024-12-30