| Study on Properties of Cross-linked Thermoplastic Polyolefin Elastomer Ⅱ.Stress-strain Characteristics and High Temperature Performance |
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| DOI： |
| Key Words: polyolefin elastomer；crystallinity；stress-strain characteristics；high temperature performance |
| Author Name | Affiliation | | Lu Yonglai | Beijing University of Chemical Technology | | Zhang Liqun | Beijing University of Chemical Technology | | Wu Youping | Beijing University of Chemical Technology | | Tian Ming | Beijing University of Chemical Technology | | Wu Shemao | Beijing University of Chemical Technology | | Feng Yuxing | Beijing University of Chemical Technology |
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| Abstract: |
| The static and dynamic properties，especially the stress-strain characteristics and the properties at high temperature of crosslinked thermoplastic polyolefin elastomers(POEs，Engage-8003，8150，8180，8200) filled with pretreated carbon black by silane coupling agent(V TPS) were investigated and the relationship between their structures and properties was discussed.The static compression test at constant strain was made with different mould-opening ways at high temperature(120 ℃).The results showed that the POEs with higher Mooney viscosity (8003，8150 and 8180) possessed better dynamic compression fatigue resistance and comprehensive properties，especially 8003 compound had higher tear resistance at normal temperature；but the tensile strength of POE compound decreased dramatically at high temperature，and its tear resistance was some what lower than that of EPDM or SBR compound；the static compression test results of POE at high temperature(120 ℃) were strongly dependent upon the mould-opening way；and the POEscharacteristics above related tightly with the existence and amount of crystal domain in them. |
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