| Study on aging properties of MVQ foam |
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| DOI： |
| Key Words: MVQ；foam；aging；aging at loading；tanδ |
| Author Name | Affiliation | | ZHOU Hong-ping | Institute of Chemical Materials,CAEP | | LI Jing-ming | Institute of Chemical Materials,CAEP | | HE Qiang | Institute of Chemical Materials,CAEP | | WEI Xing-wen | Institute of Chemical Materials,CAEP |
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| Abstract: |
| The changes of the physical properties of MVQ foam test pieces after aging for 6 monthes at room temperature，60 ℃ and 60 ℃ + loading respectively were investigated.The results showed that the relaxtion rates of the test pieces aged at room temperature and 60 ℃ increased，but their thickness，break-down strain and tanδ changed little indicating that MVQ foam had better heat resistance；and the thickness and break-down strain of the test piece aged at 60 ℃ + loading decreased significantly，its relaxation rate increased at a certain level and its tanδ decreased a little indicating that the loading had greater effect on the properties of MVQ. |
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