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Preparation and properties of epoxy resin based glass cloth laminates with high CTI for large generator
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Weihan HE1, Zhihui XIE1, Sheng CHENG1, Guang YANG1, Yue ZHANG1, Zhen SU1, Hanwu WANG2, Qichao RAN2
Insulating Materials | 2023, 56(6) : 23 - 27
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Insulating Materials | 2023, 56(6): 23-27
Material Research
Preparation and properties of epoxy resin based glass cloth laminates with high CTI for large generator
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Weihan HE1, Zhihui XIE1, Sheng CHENG1, Guang YANG1, Yue ZHANG1, Zhen SU1, Hanwu WANG2, Qichao RAN2
Affiliations
  • 1Dongfang Electric Machinary Co., Ltd., Deyang 618000, China
  • 2College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China
Published: 2023-06-20 doi: 10.16790/j.cnki.1009-9239.im.2023.06.004
Outline
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A kind of epoxy resin matrix with high heat resistance was developed, and glass cloth laminates was prepared by high temperature hot-poressing technology using glass cloth as reinforce material. The properties of the matrix resin, cured resin, and the laminates were analyzed. The results show that this cured resin has high heat resistance and good mechanical properties, its glass transition temperature reaches up to 201℃, and the 5% weight loss temperature is 367℃; its tensile strength and flexural strength reaches to 76 MPa and 82 MPa, respectively. The glass cloth reinforced laminates show comprehensive performance, the tensile strength, compression strength, and impacting strength of the laminates is 411 MPa, 480 MPa, and 226 kJ/m2, respectively. The flexural strength at room temperature and 180℃ is 633 MPa and 416 MPa, respectively. Moreover, the tracking index (CTI) of the laminates can reach to 550.

insulating material  /  CTI  /  glass cloth laminates
Weihan HE, Zhihui XIE, Sheng CHENG, Guang YANG, Yue ZHANG, Zhen SU, Hanwu WANG, Qichao RAN. Preparation and properties of epoxy resin based glass cloth laminates with high CTI for large generator[J]. Insulating Materials, 2023 , 56 (6) : 23 -27 . DOI: 10.16790/j.cnki.1009-9239.im.2023.06.004
Year 2023 volume 56 Issue 6
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Article Info
doi: 10.16790/j.cnki.1009-9239.im.2023.06.004
  • Receive Date:2022-08-22
  • Online Date:2025-11-21
  • Published:2023-06-20
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  • Received:2022-08-22
  • Revised:2022-10-14
Affiliations
    1Dongfang Electric Machinary Co., Ltd., Deyang 618000, China
    2College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

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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