| Study on Application of Dry Ice in Wet Mixing of Graphene Oxide/ Silica/NR Composite |
| Received:June 01, 2018 Revised:June 01, 2018 |
| DOI：10.12136/j.issn.1000-890X.2019.11.0853 |
| Key Words: wet mixing；dry ice；graphene oxide；silica；natural latex；NR；composite |
| Author Name | Affiliation | E-mail | | WANG Chuansheng | Qingdao University of Science and Technology | 930437349@qq.com | | ZHANG Luqi* | Qingdao University of Science and Technology | 930437349@qq.com | | CHANG Tianhao | Qingdao University of Science and Technology | | | BIAN Huiguang | Qingdao University of Science and Technology | | | LIU Jie | Qingdao University of Science and Technology | |
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| Abstract: |
| The dry ice was applied in the mixed emulsion of graphene oxide（GO）/silica/natural latex
（NRL），the fragmentation action of energy generated by the breaking of a large number of bubbles due to dry
ice gasification was used to crush the filler aggregate in order to improve the dispersion of fillers in NRL，and
the effect of the addition level of dry ice on the properties of GO/silica/natural rubber（NR） composites was
studied.The results showed that，when the addition level of dry ice was small，with the increase of the addition
level of dry ice，the Payne effect of the composites was weakened，the crosslinking density and the physical
properties increased，and the rolling resistance decreased. When the addition level of dry ice was large，the
Payne effect was strengthened with the increase of dry ice amount，the crosslinking density and the physical
properties decreased，and the rolling resistance increased. It was found that the physical properties of the
composites were the best when the addition level of dry ice was 20 phr. |
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