| Study on Strain-induced Crystallization Behavior of Organic Clay/IR Nanocomposites |
| Received:October 03, 2018 Revised:October 03, 2018 |
| DOI：10.12136/j.issn.1000-890X.2019.03.0172 |
| Key Words: IR；organic clay；nanocomposite；strain-induced crystallization；tensile property |
| Author Name | Affiliation | E-mail | | TAN Yingjie | Taiyuan Institute of Technology | tl980913@sohu.com | | LIANG Yurong* | Taiyuan Institute of Technology | liangyr7103@aliyun.com | | GUO Hongwei | Taiyuan Institute of Technology | |
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| Abstract: |
| The organic clay（OC）/isoprene rubber（IR） nanocomposites（IRCNs） were prepared，the effect of OC amount on the tensile properties and strain-induced crystallization behavior of IRCNs was investigated. The results showed that，the diffraction peak angle of OC in IRCNs decreased to some extent compared with that of OC，and it was finely and uniformly dispersed in the rubber matrix to form an ordered intercalation structure. With the increase of OC amount，the tensile strength of IRCNs increased first and then decreased. When OC amount was 5 phr，the tensile strength of IRCNs was the highest（16.44 MPa），which was 41% higher than that of IR. The strain-induced crystallization behavior of IRCNs shifted to low strain with the increase of OC amount，and the critical strain decreased gradually. When the strain was less than the critical point，the degree of orientation of OC in IRCNs was low，and when the strain was bigger than the critical point，the orientation of OC was obvious and close to the limit. |
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