Synthesis and characterization of imide modified poly(dimethylsiloxane) with maleopimaric acid as raw material

被引：0
|
作者：
Tao Xu [1 ,2 ]
He Liu [1 ]
Jie Song [3 ]
Shi-Bin Shang [1 ]
Zhan-Qian Song [1 ]
Xiu-Jie Chen [2 ]
Chong Yang [2 ]
机构：
[1] Institute of Chemical Industry of Forestry Products,Chinese Academy of Forestry,Key Laboratory of Biomass Energy and Material,National Engineering Laboratory for Biomass Chemical Utilization,Key and Open Laboratory on Forest Chemical Engineering,SFA
[2] Department of Chemistry and Biochemistry,University of Michigan-Flint
来源：
Chinese Chemical Letters | 2015年 / 26卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Maleopimaric acid; Imide; Polysiloxane; Curing kinetics; Differential scanning calorimetry(DSC);
D O I：
暂无
中图分类号：
TQ330.1 [基础理论];
学科分类号：
0805 ; 080502 ;
摘要：
With the natural rosin derivative（maleopimaric acid,MPA） as the raw material,imide modified vinyl poly（dimethylsiloxane）(MP-VMS) was synthesized and characterized by;H NMR and;C NMR.The curing kinetic parameters of MP-VMS were determined by differential scanning calorimetry（DSC） at various heating rates（5,8,10,15 ℃/min） from the Kissingner.Ozawa and Crane methods.The activation energy（E;）,pre-exponential factor（A） and reaction order（n） were respectively 18.6 kJ/mol,71,108 and0.902.The low-temperature and high-temperature resistance of its curing product were respectively investigated by DSC and thermogravimetric analysis.The results showed that incorporation of MPA could significantly improve the thermal stability of silicone while had no effect on the low-temperature resistance,and the T;（the temperature corresponding to the maximum weight loss rate） increased by 70.7 C.
引用
收藏
页码：572 / 574
页数：3
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