| Effect of Viscosity Stabilizer 2-Mercaptobenzothiazole on Properties of Natural Rubber |
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| DOI： |
| Key Words: natural rubber；viscosity stabilizer；2-mercaptobenzothiazole；hydroxylamine hydrochloride；accelerated storage stability test |
| Author Name | Affiliation | | DUAN Zhisong | Hainan University | | LIAO Jianhe | Hainan University | | LIAO Lusheng | Hainan University | | CHEN Yongping | Hainan University | | CONG Qinqin | Hainan University | | LIAO Qiaogan | Hainan University |
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| Abstract: |
| The constant viscosity natural rubber （CVNR） was prepared by using viscosity stabilizer 2-mercaptobenzothiazole （MT）.The properties of CVNR were then investigated，and compared with those of CVNR prepared by using viscosity stabilizer hydroxylamine hydrochloride （HH）.The results showed that， the CVNR with either MT or HH possessed good viscosity stability.As the storage time increased，the weight average molecular weight （MW），plastic initial value （P0） and Mooney viscosity of MT-CVNR basically remained unchanged.Those properties of HH-CVNR also changed little in the beginning of storage，but as the storage time extended， the numbers increased and the rubber gradually lost the viscosity stabilizing property.In addition，the physical properties of MT-CVNR vulcanizates were better than those of HH-CVNR vulcanizates. |
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