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The compatibility of cable termination structural materials with insulating fluids has an important impact on the safe and stable operation of cables. In this paper, the compatibility of cable termination materials with polyisobutylene is studied by analyzing the changes in morphology, swelling and mechanical properties of silicone rubber, ethylene-propylene insulating self-adhesive tape, and halogenated butyl + ethylene-propylene waterproof insulating tape before and after the compatibility test, as well as the changes in the physicochemical and dielectric properties of polyisobutylene before and after the compatibility test, and combined with the attenuated total reflectance Fourier transform infrared spectroscopy and thermogravimetric analysis with other means. The results show that the compatibility of the stress cone material silicone rubber with polyisobutylene is good, the compatibilities of ethylene-propylene insulating self-adhesive tape and halogenated butyl + ethylene-propylene waterproof insulating tape with polyisobutylene are not good, and the physicochemical and dielectric properties of the polyisobutylene impregnated insulating tape are also degraded after compatibility test.
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| 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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