Influence of sizes of rubber particles in latex on mechanical properties of natural rubber filled with carbon black
文献类型： 外文期刊
作者： He, Simin 1 ; Zhang, Fuquan 2 ; Liu, Shuo 1 ; Cui, Haipeng 1 ; Chen, Song 2 ; Peng, Wenfeng 2 ; Chen, Guojing 1 ; Liao, Xiaoxue 1 ; Liao, Lusheng 2 ;
作者机构： 1.Hainan Univ, Sch Mat Sci & Engn, Haikou 570228, Hainan, Peoples R China
2.Chinese Acad Trop Agr Sci, Minist Agr & Rural Affairs, Agr Prod Proc Res Inst, Key Lab Trop Crop Prod Proc, Zhanjiang 524001, Guangdong, Peoples R China
3.Hainan Prov Key Lab Nat Rubber Proc, Zhanjiang 524001, Guangdong, Peoples R China
关键词： Rubber particles; Carbon black; Mechanical properties
期刊名称：POLYMER （ 影响因子：4.432； 五年影响因子：4.161 ）
ISSN： 0032-3861
年卷期： 2022 年 261 卷
页码：
收录情况： SCI
摘要： The structures and properties of natural rubber (NR) obtained from latex with small and large rubber particles (SRP and LRP) are obviously different, while carbon black (CB)/SRP or CB/LRP composites have rarely been reported. In this work, SRP and LRP are separated from natural rubber latex (NRL). The properties of obtained NR/CB composites are systematically investigated as a function of SRP and LRP mass ratios. It shows that the nitrogen content of SRP (1.32%) is much higher than that of LRP (0.10%). Mechanical properties increase with the increase of LRP content because plenty of agglomerates exist in SRP/CB composite whereas LRP/CB com-posite shows a homogeneous dispersion. Furthermore, a possible model is proposed to illustrate the trans-formations of agglomerates during stretching and dynamic compressing process. This study provides a new perspective for the design of NR materials through the selection of rubber particles in NRL.
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