| Study on Properties of Naphthenic Oil Extended High Vinyl Polybutadiene Rubber |
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| DOI： |
| Key Words: high vinyl polybutadiene rubber；naphthenic oil；extended rubber；rheological property；physical property；dynamic property |
| Author Name | Affiliation | | HUA Jing | Qingdao University of Science and Technology | | CONG Yue-xin | Qilu Petrochemical Rubber Plant，SINOPEC | | GENG Jie-ting | Qingdao University of Science and Technology | | LI Ying | Qilu Petrochemical Rubber Plant，SINOPEC | | LI Xiao-liang | Qingdao University of Science and Technology | | GUO Li-yun | Qingdao University of Science and Technology |
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| Abstract: |
| The rheological properties，physical properties and dynamic properties of high vinyl polybutadiene rubber extended with naphthenic oil were investigated.The results showed that，the Mooney viscosity of the rubber extended with naphthenic oil decreased significantly，and the shear viscosity decreased with the increase of shear rate.The t10 and t90 of the compound changed little，and the crosslink density decreased.The main physical properties of the vulcanizate decreased，the compression heat build up and permanent set decreased，the wet skid resistance and aging resistance were improved.As the frequency increased，the shear storage modulus（G′），shear loss modulus（G″） and loss factor（tanδ） of the vulcanizate increased.As the strain increased，the G′ decreased，G″ and tanδ increased at first and then decreased，and the glass transition temperature increased. |
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