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Preparation and Mechanical Properties of Prevulcanized Natural Rubber Latex/Chitosan/Poly (3-hydroxybutyrate) Blends

文献类型： 外文期刊

作者： Lu, Guang 1 ; Yu, Heping 1 ; Wang, Yongzhou 1 ; Luo, Yongyue 1 ; Zeng, Zongqiang 1 ;

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

关键词： natural rubber latex;chitosan;poly(3-hydroxybutyrate);blend;mechanical properties

期刊名称：PROCEEDINGS OF THE 2015 ASIA-PACIFIC ENERGY EQUIPMENT ENGINEERING RESEARCH CONFERENCE (AP3ER 2015)

ISSN： 2352-5401

年卷期： 2015 年 9 卷

页码：

收录情况： SCI

摘要： In order to obtain natural rubber (NR) latex-based biomaterial, the NR latex concentrate was prepared into prevulcanized natural rubber latex (SNRL) and then blended with a water dispersion of chitosan (CS) and poly(3-hydroxybutyrate) (PHB) together, with the total amount of CS and PHB is of 1, 3, 5, 10 parts per hundred rubber (phr), and CS and PHB is of a ratio of 1:1; the SNRL was also blended with a water dispersion of CS or PHB only in the same amount for properties comparison. The mechanical properties including the tensile strength, elongation at break, 300% modulus, tear strength and hardness of the 24h water-leached SNRL/CS/PHB, SNRL/CS or SNRL/PHB films were tested. The results indicated that, the tensile strength first increased with increase in CS/PHB, CS or PHB content up to 1.0 phr then decreased, the elongation at break decreased, the 300% modulus, tear strength and Shore A hardness increased, with increase in CS/PHB, CS or PHB content, whereas most of the tensile strength and elasticity of the films can be retained when the content of CS/PHB, CS or PHB was less than 5.0 phr.

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