| Properties of NR Prepared by Biological Coagulation and Its Application in Radial Tires |
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| DOI： |
| Key Words: NR；biological coagulation；radial tire |
| Author Name | Affiliation | | ZHANG Guimei | Yunnan Institute of Tropical Crops | | ZOU Jianyun | Yunnan Institute of Tropical Crops | | JIANG Shikuan | Yunnan Institute of Tropical Crops | | LIU Qian | Triangle Tire Co.，Ltd | | DONG Lingbo | Triangle Tire Co.，Ltd |
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| Abstract: |
| The properties of NR prepared by biological coagulation NR （NR-B） and its application in radial tires were investigated，and compared with standard Malaysia rubber grade 20（SMR20）.The basic performance test results showed that，compared with SMR20，the NR-B possessed higher initial plasticity and plasticity retention，the scorch safety of mix was better and the curing rate was faster，the modulus of vulcanizate was smaller and the tensile strength was higher.The small combined experiment on radial tires showed that，compared with SMR20，the NR-B possessed better physical properties，wear resistance and hot air aging resistance.However，the Mooney viscosity of NR-B was higher，so the processing property was slightly worse.The NR-B could be used in radial tires instead of SMR20 with appropriate adjustments in processing. |
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