| Preparation and properties of low protein natural rubber latex |
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| DOI： |
| Key Words: LPNRL；vulcanized film；physical property；dynamical mechanical property |
| Author Name | Affiliation | | HE Can-zhong | Hainan University | | TAN Hai-sheng | Hainan University | | SHE Xiao-dong | Hainan University | | AO Ning-jian | Jinan University | | LIAO Xiao-xue | Hainan University | | HE Ying-ping | Hainan University |
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| Abstract: |
| The low protein natural rubber latex (LPNRL) and normal natural rubber latex were prepared by alkaline protease，substitute adsorption，repetitious centrifugation and normal centrifugation method，and the properties of the latex and vulcanized films were investigated.The results showed that the nitrogen content，initial plasticity and plasticity retention index of LPNRL decreased compared to those of normal latex；the physical properties，aging properties and glass transition temperature of LPNRL vulcanized films decreased，the storage modulus increased at the temperature below glass transition temperature，as compared to those of the vulcanized film from normal natural rubber latex. |
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