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Thermal-oxidative Aging Resistance and Water Absorption of Natural Rubber Latex/Methyl Methacrylate-grafted-Natural Rubber Latex Blends

文献类型： 外文期刊

作者： Lu, Guang 1 ; Yu, Heping 1 ;

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

关键词： Natural rubber latex;methyl mathacrylate-grafted-natural rubber latex;blend;prevulcanization;film;thermal-oxidative aging;water absorption

期刊名称：ADVANCES IN CHEMICAL ENGINEERING II, PTS 1-4

ISSN： 1022-6680

年卷期： 2012 年 550-553 卷

页码：

收录情况： SCI

摘要： The natural rubber latex (NRL) concentrate was mixed with 10 similar to 50 parts per hundred rubber (phr) of methyl methacrylate-grafted-natural rubber latex having a methyl methacrylate content of 49% (MGL49), prevulcanized, and then cast to obtain prevulcanized NRL/MGL49 films. The leached films of prevulcanized NRL/MGL49 were aged in an hot-air oven for comparison of the mechanical properties before and after aging, whereas the thermal decomposition of these films in an atmosphere of air was carried out in a thermo-gravimetric analyzer, and the films were also immersed into water to obtain water absorption. Results showed that the incorporation of MGL49 improved the thermal-oxidative aging resistance of natural rubber latex film when the MGL49 content was less than 50 phr, the water absorption increased with the increment of MGL49 content, and the NRL/MGL49 film containing lOphr of MGL 49 has a best thermal-oxidative stability and highest water absorption also.

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[1]Preparation and Properties of Interpenetrating Polymer Network Films from Prevulcanized Natural Rubber Latex/Chitosan Blends. Lu, Guang,Yu, Heping,Zeng, Zongqiang,Luo, Yongyue. 2012

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