Structure and Temperature Induced Crystallization of Natural Rubber with Different Milling Times
文献类型： 外文期刊
作者： Wang, Yueqiong 1 ; Zhao, Pengfei 2 ; Liu, Hongchao 2 ; Zhang, Fuquan 2 ; Li, Zechun 1 ; Xu, Tiwen 3 ; Gong, Wei 2 ; Liao, 1 ;
作者机构： 1.Hainan Univ, Key Lab Adv Mat Trop Isl Resources, Minist Educ, Sch Mat Sci & Engn, Haikou 570228, Hainan, Peoples R China
2.Chinese Acad Trop Agr Sci, Agr Prod Proc Res Inst, Minist Agr & Rural Affairs, Key Lab Trop Crop Prod Proc, Guangzhou 524001, Guangdong, Peoples R China
3.Guangdong Univ Petrochem Technol, Mat Sci & Engn Inst, Maoming 525000, Guangdong, Peoples R China
期刊名称：POLYMER SCIENCE SERIES A （ 影响因子：0.968； 五年影响因子：0.958 ）
ISSN： 0965-545X
年卷期： 2021 年 63 卷 3 期
页码：
收录情况： SCI
摘要： Crystallization, a characteristic property of natural rubber, has great effect on the storage and application in industrial. Based on different milling times, natural rubber samples were prepared. Moreover, structure of natural rubber with different milling times, i.e. molecular weight, group transform, cross-link density (entanglement), and rheology were analyzed by gel permeation chromatograph (GPC), Fourier transform infrared spectrum (FTIR), and rubber processing analyzer (RPA), respectively. Furthermore, temperature induced crystallization parameters were mounted on differential scanning calorimeter (DSC). The results demonstrated that temperature induced crystallization rate decreased with the increment of milling times, whereas the average molecular weight measured by GPC decreased with milling times increasing. However, the average cross-link molecular weight increased which was compatible to the temperature induced crystallization rate. It was concluded that temperature induced crystallization rate was related to the average cross-link molecular weight, but not average molecular weight.
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