| Study on the interface interaction of silica/NR composite |
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| DOI： |
| Key Words: silica；coupling agent；NR；composite；modification；interface interaction |
| Author Name | Affiliation | | OUYANG Xing | South China University of Technology | | LUO Yuan-fang | South China University of Technology | | JIA De-min | South China University of Technology |
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| Abstract: |
| The interface interaction of silica/NR composite was investigated.The results showed that there was a strong interaction between silica particles，which could be decreased when silica surface was modified with coupling agent，and the proper addition level of coupling agent KH-560 was 7.5～10 phr while the addition level of silica was 40 phr；the addition level of silica also had great effect on the interaction between silica particles，and the critical addition level of silica was 25 phr；the physical properties of modified silica filled NR compound were improved，especially the modulus，tensile strength and tear strength as compared to those of unmodified silica filled NR compound. |
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