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	Preparation and properties of thermoexpandable polymeric microspheres
	Zhao-Sheng Hou ; Cheng-You Kan ; Zhao-Sheng Hou ; Cheng-You Kan
	2016-03-30 ; 2016-03-30
关键词	Expandable microspheres Suspension polymerization Methyl methacrylate Properties TQ316.335
其他题名	Preparation and properties of thermoexpandable polymeric microspheres
中文摘要	In this paper,thermoexpandable polymeric microspheres were prepared by suspension polymerization with acrylonitrile(AN) and methyl methacrylate(MMA) as monomers and i-butane as a blowing agent.The micromorphology and thermal stability were researched by polarized microscopy and TGA.The diameter of the expandable microspheres increased from about 20 mm(unexpanded) to 40–80 mm(expanded) upon heating.The maximum expansion volume was higher than 22 times of the original volume and the density of the expanded microspheres was about 16.7 kg/m3.The blowing agent content in microspheres was about 20 wt% and To.e.,Tm.e.and To.s.were 80 8C,120–130 8C and 140–145 8C,respectively.; In this paper,thermoexpandable polymeric microspheres were prepared by suspension polymerization with acrylonitrile(AN) and methyl methacrylate(MMA) as monomers and i-butane as a blowing agent.The micromorphology and thermal stability were researched by polarized microscopy and TGA.The diameter of the expandable microspheres increased from about 20 mm(unexpanded) to 40–80 mm(expanded) upon heating.The maximum expansion volume was higher than 22 times of the original volume and the density of the expanded microspheres was about 16.7 kg/m3.The blowing agent content in microspheres was about 20 wt% and To.e.,Tm.e.and To.s.were 80 8C,120–130 8C and 140–145 8C,respectively.
语种	英语 ; 英语
内容类型	期刊论文
源URL	[http://ir.lib.tsinghua.edu.cn/ir/item.do?handle=123456789/144053]
专题	清华大学
推荐引用方式 GB/T 7714	Zhao-Sheng Hou,Cheng-You Kan,Zhao-Sheng Hou,et al. Preparation and properties of thermoexpandable polymeric microspheres[J],2016, 2016.
APA	Zhao-Sheng Hou,Cheng-You Kan,Zhao-Sheng Hou,&Cheng-You Kan.(2016).Preparation and properties of thermoexpandable polymeric microspheres..
MLA	Zhao-Sheng Hou,et al."Preparation and properties of thermoexpandable polymeric microspheres".(2016).

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