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In order to solve the problem of printing contamination on the surface of silicone rubber cables, the application of low temperature plasma jet in surface treatment of silicone rubber was proposed in this paper. Ar plasma jet was generated with needle-ring structure electrode driven by AC power source, and the surface of silicone rubber cables was dynamically treated at different moving speeds. The influence of processing speed on the hydrophobicity, surface voltage, and breakdown strength of silicone rubber cable was systematically studied. The changes in surface physical morphology and chemical composition of silicone rubber were detected by SEM and EDS. The results show that static jet treatment can cause an increase of the material surface temperature, while dynamic treatment can significantly reduce the temperature rise. The water contact angle and flashover voltage of silicone rubber slightly decrease after treatment. With the increase of processing speeds, the hydrophobic and electrical insulation performance gradually recover. Under the speed of 5 mm/s, the anti-ink adhesion of silicone rubber surface is significantly improved. It can be concluded that the degree of cross-linking polymerization on the surface of silicone rubber increases after the plasma jet treatment, and the diffusion movement of interface molecules at the interface is hindered, which decrease the anti-ink adhesion of the silicone rubber surface.
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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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