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Preparation and properties of maleopimaric-based epoxy resin
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Hechen LIU1, 2, Qi GE1, Xuan WU1, Zhanglin SUN1, Xinyang LI1, Songsong ZHOU3, Yunpeng LIU1, 2
Insulating Materials | 2024, 57(5) : 34 - 41
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Insulating Materials | 2024, 57(5): 34-41
• Special Issue on High-performance Transformer Insulation •
Preparation and properties of maleopimaric-based epoxy resin
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Hechen LIU1, 2, Qi GE1, Xuan WU1, Zhanglin SUN1, Xinyang LI1, Songsong ZHOU3, Yunpeng LIU1, 2
Affiliations
  • 1Hebei Key Laboratory of Green and Efficient New Electrical Materials and Equipment, North China Electric Power University, Baoding 071003, China
  • 2State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China
  • 3China Electric Power Research Institute, Beijing 100192, China
Published: 2024-05-20 doi: 10.16790/j.cnki.1009-9239.im.2024.05.005
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Under the background of “carbon peaking and carbon neutrality” development strategy goal, in order to explore the application prospects of green and environment friendly bio-based epoxy resins in electrical equipment, a bio-based resin of maleopimaric-based epoxy resin (MPAER) was prepared using a renewable resource of rosin as raw material. Taking methylhexahydrophthalic anhydride (MHHPA) as the curing agent, we systematically studied the curing characteristics, as well as the thermal, mechanical, and electrical properties of the MPAER/MHHPA system, and the MPAER/MHHPA system was compared with the DGEBA/MHHPA system composed of commercial diglycidyl ether of bisphenol A (DGEBA). The results show that the MPAER/MHHPA system and DGEBA/MHHPA system have equivalent curing reaction activity. The glass transition temperature of the MPAER/MHHPA system is 112.8℃, its mechanical and electrical properties are slightly weaker than those of the DGEBA/MHHPA system, and its electric strength is 9.4% lower than that of the DGEBA/MHHPA system. However, the comprehensive performance of the MPAER/MHHPA system is still good, and its performance can be further improved by optimizing the structure of MPAER or blending with other types of epoxy resins.

rosin-based epoxy resin  /  environmental protection  /  electrical equipment  /  bisphenol A epoxy resin
Hechen LIU, Qi GE, Xuan WU, Zhanglin SUN, Xinyang LI, Songsong ZHOU, Yunpeng LIU. Preparation and properties of maleopimaric-based epoxy resin[J]. Insulating Materials, 2024 , 57 (5) : 34 -41 . DOI: 10.16790/j.cnki.1009-9239.im.2024.05.005
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Year 2024 volume 57 Issue 5
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Article Info
doi: 10.16790/j.cnki.1009-9239.im.2024.05.005
  • Receive Date：2023-06-21
  • Online Date：2025-12-22
  • Published：2024-05-20
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History
  • Received：2023-06-21
  • Revised：2023-08-22
Funding
Affiliations
    1Hebei Key Laboratory of Green and Efficient New Electrical Materials and Equipment, North China Electric Power University, Baoding 071003, China
    2State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China
    3China Electric Power Research Institute, Beijing 100192, China
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https://castjournals.cast.org.cn/joweb/jycl/EN/10.16790/j.cnki.1009-9239.im.2024.05.005
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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