期刊文献+

马来酸酐封端聚丙撑碳酸酯及其性能研究 被引量:2

Research on thermal properties of maleic anhydride end-capped poly(propylene carbonate)
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摘要 以马来酸酐(MA)为封端剂对聚丙撑碳酸酯(PPC)进行了封端,采用红外光谱、凝胶渗透色谱、热失重分析和差示扫描量热分析等对封端前后样品的性能进行了表征。红外光谱分析确认了马来酸酐参与了封端反应,聚合物分子量的测试表明,封端过程中有扩链反应的发生,热失重分析结果表明,马来酸酐封端能较大地提高聚丙撑碳酸酯的热分解温度。 Poly(propylene carbonate) (PPC) was end-capped by maleic anhydride (MA). The properties of uncapped and end-capped PPC were investigated by fourier transform infrared (FTIR),gel permeation chromatography(GPC), ther- mogravimetric analyzer(TGA) and differential scanning calorimeter(DSC), respectively. The FTIR spectra confirmed that MA participated in the end-capping reaction of PPC. The GPC results showed that the macromolecular coupling reaction was carried out between the end carboxyl groups of MA end-capped PPC(MA-PPC). The TGA results showed that the end-capping of MA can improve the thermal stability of PPC.
出处 《化工新型材料》 CAS CSCD 北大核心 2012年第10期57-58,73,共3页 New Chemical Materials
基金 山东省科技攻关计划项目(2009GG10003019) 聊城大学大学生科技文化创新基金项目(SRT10017CL2)
关键词 聚丙撑碳酸酯 马来酸酐 封端 热稳定性 poly(propylene carbonate),maleic anhydride,end-capping,thermal stability
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参考文献9

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