| Effect of Screen Filtration of Double Drive Synchronous Gear Pump Rubber Filter on Properties of SSBR/BR Blend |
| Received:September 02, 2021 Revised:September 02, 2021 |
| DOI：10.12136/j.issn.1000-890X.2023.02.0136 |
| Key Words: double drive synchronous gear pump rubber filter；filtration；screen aperture；SSBR；BR； physical property；flexure resistance；dynamic mechanical property |
| Author Name | Affiliation | E-mail | | GONG Yiqin* | Qingdao University of Science and Technology | 606188440@qq.com | | SHAN Tikun | Qingdao University of Science and Technology | | | WANG Chuansheng | Qingdao University of Science and Technology | |
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| Abstract: |
| The property change of solution polymerized styrene butadiene rubber（SSBR）/butadiene
rubber（BR） blend filtered through a double drive synchronous gear pump rubber filter and the effect of the
screen aperture on the properties of SBR/BR blend were studied. The results showed that，the vulcanization
characteristics and physical properties of the SSBR/BR blend were improved after the screen filtration of the
rubber filter. With the decrease of the screen aperture，the shore A hardness，tensile stress at 100% elongation，
tensile stress at 300% elongation，tensile strength，elongation at break and tear strength of the filtered SSBR/
BR blend increased first and then decreased，and the Payne effect became weaker. When the screen aperture
was 75 μm，the tensile strength and tear strength of the filtered SSBR/BR blend were the largest，which were
27. 5% and 33. 3% larger than those of the unfiltered SSBR/BR blend，respectively，the flexure resistance
was best，the tanδ peak value was the largest，the glass transition temperature was the highest，the tanδ at 60
℃ was the smallest，and the rolling resistance was the lowest. |
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