| Study on SBR/PVC Blends Reinforced by Carbon Nanotubes |
| Received:January 22, 2021 Revised:February 18, 2021 |
| DOI：10.12136/j.issn.1000-890X.2021.11.0838 |
| Key Words: carbon nanotube；SBR；PVC；blend；storage modulus；loss modulus；loss factor |
| Author Name | Affiliation | E-mail | | FAN Wenli | Qingdao University of Science and Technology | 1521652682@qq.com | | LIU Yilin | Qingdao University of Science and Technology | | | QU Jinlei | Qingdao University of Science and Technology | | | ZHANG Baogang | Qingdao University of Science and Technology | | | LIU Li* | Qingdao University of Science and Technology | 1119311052@qq.com |
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| Abstract: |
| The effect of the dosage of carbon nanotubes on the properties of styrene butadiene rubber
（SBR）/polyvinyl chloride（PVC） blends was studied. The results presented that，carbon nanotubes showed
long strip-shaped aggregation state in the micro level，the aggregates were formed by entanglement of a
large number of carbon nanotubes，and the diameters of carbon nanotubes were about 10～35 nm. With the
increase of the dosage of carbon nanotubes，the FL，Fmax and Fmax － FL of SBR/PVC blends were gradually
increased，the t10 and t90 were gradually shortened，the hardness，modulus，tensile strength and tear strength
increased gradually，and the elongation at break decreased. When the dosage of carbon nanotubes was 10
phr，the physical properties of SBR/PVC blends were better. The storage modulus and loss modulus of SBR/
PVC blends decreased with the increase of the strain and increased with the increase of the amount of carbon
nanotubes，and the loss factor increased with the increase of the strain and showed a decreasing trend with the
increase of the dosage of carbon nanotubes. |
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