| Study on Properties of Rubber Material for Deep Sea Cable Sleeve |
| Received:October 28, 2019 Revised:October 28, 2019 |
| DOI：10.12136/j.issn.1000-890X.2020.04.0267 |
| Key Words: CR；NR；deep sea cable sleeve；insulation performance；physical property；seawater aging resistance |
| Author Name | Affiliation | E-mail | | LIU Na | Beijing University of Chemical Technology | 1549064284@qq.com | | ZOU Hua* | Beijing University of Chemical Technology | 1252528362@qq.com | | ZHAO Xiuying | Beijing University of Chemical Technology | | | XU Hongjun | Zhongtian Technology Equipment Cable Co. ，Ltd | | | NI Wei | Zhongtian Technology Equipment Cable Co. ，Ltd | |
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| Abstract: |
| According to the performance requirements of the rubber materials for the deep sea cable sleeve in all deep-sea working environments，the physical properties，insulation performance，seawater aging resistance and extrusion properties of chloroprene（CR） compound and CR/natural rubber（NR） blends were studied. The results showed that，compared with the sulfur regulated CR Denka Chloroprene A-90 and mixed regulated CR322，the non sulfur regulated CR232 possessed excellent mechanical properties，and it was more suitable to be used as the main material of the deep sea cable sleeve compound. The insulation performance of CR/NR blend（blending ratio was 80/20） was good，the volume resistivity could reach 1. 3×1012 Ω·cm，and the physical properties and seawater aging resistance were excellent. The CR/NR blend with solid coumarone/white factice as plasticizers had smooth extruded surface and small extrusion swell ratio，which was a good choice of rubber materials for the deep sea cable sleeve. |
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