| Properties of LDHs/ENR/SBR Gas Barrier Composites |
| Received:August 29, 2018 Revised:August 29, 2018 |
| DOI：10.12136/j.issn.1000-890X.2019.04.0284 |
| Key Words: gas barrier nanocomposite；LDHs；ENR；SBR；curing characteristics；dynamic mechanical property；airtightness；flexural resistance |
| Author Name | Affiliation | E-mail | | ZHOU Shizhang | Beijing University of Chemical Technology | 2696308643@qq.com | | LIU Li* | Beijing University of Chemical Technology | liul2001cn@163.com | | HU Shui | Beijing University of Chemical Technology | | | WEN Shipeng | Beijing University of Chemical Technology | |
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| Abstract: |
| Layered double hydroxide compounds（LDHs）/epoxidized natural rubber（ENR）/styrene-butadiene rubber（SBR） gas barrier composites were prepared and the effect of the amount of LDHs on the curing characteristics，physical properties，dynamic mechanical properties，airtightness and flexural resistance of the composites was investigated.The results showed that，with the increasing of the amount of LDHs，t90 of the composites was shortened，the tensile strength had an increasing trend，and the storage modulus had little change in the glass state and increased in the high elastic state.Compared with the composites without LDHs，the loss factor of the composites with LDHs decreased in the transition zone（0 ℃），and increased in the high temperature zone（60 ℃）.The airtightness and flexural resistance of the composites with 5 phr LDHs were better. |
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