中国热带农业科学院机构知识库

Characterization the relationship between rheology behavior and molecular weight of natural rubber with different protein content

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文献类型：外文期刊

作者： Gao, Tianming ¹ ; Xie, Ruihong ¹ ; Li, Puwang ¹ ; Huang, Maofang ¹ ;

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

关键词： natural rubber;protein;molecular weight;rheology

期刊名称：MATERIALS PROCESSING TECHNOLOGY

ISSN： 1022-6680

年卷期： 2011 年 337 卷

页码：

收录情况： SCI

摘要： Test of the rheology behavior for low protein natural rubber(LPNR) were carried out with rubber processing analyzer(RPA), and molecular weight were carried out with gel permeation chromatography(GPC). The results showed that molecular of LPNR is lower than natural rubber(NR), The complex viscosity(n*) of NR is higher than LPNR. The stress relaxation indicate that time of LPNR is faster than NR, it illuminate that LPNR has lower molecular weight than NR, and processing performance have distinct discrepancy between NR and LPNR. The torque(S') with strain rising indicated that one linear viscoelastic region and one nonlinear viscoelastic region in whole range, and LPNR has lower S' than NR.

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