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Characterization of the Dynamic Properties of Natural Rubbers Coagulated Using Different Methods

文献类型: 外文期刊

作者: Gao, Tianming 1 ; Xie, Ruihong 1 ; Zhang, Linghong 3 ; Li, Puwang 1 ; Gui, Hongxing 1 ; Huang, Maofang 1 ; Chung, Kyun 1 ;

作者机构: 1.Chinese Acad Trop Agr Sci, Agr Prod Proc Res Inst, Zhanjiang 524001, Peoples R China

2.Univ Suwon, Dept Polymer Engn, Hwaseong Si 445743, Gyeonggi Do, South Korea

3.Chinese Acad Trop Agr Sci, Rubber Res Inst, Danzhou 571737, Peoples R China

关键词: natural rubber;crosslink density;dynamic properties;coagulation method

期刊名称:POLYMER-KOREA ( 影响因子:0.493; 五年影响因子:0.411 )

ISSN: 0379-153X

年卷期: 2016 年 40 卷 3 期

页码:

收录情况: SCI

摘要: Natural rubber (NR) was coagulated using different methods, i.e., acid coagulation with acetic acid (A-NR), natural coagulation (N-NR), and microorganism coagulation (M-NR). The crosslink density, vulcanization properties, dynamic properties, and heat build-up were investigated. The results showed that M-NR had the highest crosslink density and fastest cure rate, and A-NR had the lowest crosslink density and slowest cure rate. The dynamic properties were measured using a rubber process analyzer, dynamic thermomechanical analysis and compression heat build-up tester; the results showed that the dynamic properties had a close relationship with the crosslink density. The loss factor was lowest for M-NR and highest for A-NR.

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