Radiation effects on the foaming of atactic polypropylene with supercritical carbon dioxide

doi:10.1016/j.radphyschem.2016.10.018

	Radiation effects on the foaming of atactic polypropylene with supercritical carbon dioxide
	Yang, Chenguang1,2,3 ; Zhe, Xing 1; Zhang, Mingxing 1; Wang, Mouhua 1; Wu, Guozhong1,2
	2017-02
发表期刊	RADIATION PHYSICS AND CHEMISTRY (IF:2.8[JCR-2023],2.6[5-Year])
ISSN	0969-806X
卷号	131 页码:35-40
发表状态	已发表
DOI	10.1016/j.radphyschem.2016.10.018
摘要	Atactic polypropylene (PP) samples with melt flow indices (MFI) of 7.0 g/10 min were irradiated and then foamed with supercritical carbon dioxide (scCO(2)). A detailed investigation was carried out to understand the effect of radiation on the scCO(2) foaming of polypropylene. Variations in the molecular weight, branching degree, crystallinity, and melting and crystallization temperatures of irradiated PP were investigated. The cell diameter, cell density, volume expansion ratio and foaming rate were analyzed in detail under different conditions. It was found that the cell structure of PP foam became more uniform and the foaming temperature window increased to 10 degrees C. This compares favorably to the 4 degrees C observed with pristine atactic PP. The best cell morphology was observed at a dose of 30 kGy. The corresponding average diameter and cell density were 16.4 m and 5.7x10(7) cells/cm(3), respectively.
关键词	Polypropylene Radiation Cross-linking Supercritical carbon dioxide Foaming
收录类别	SCI ; EI
语种	英语
资助项目	National Natural Science Foundation of China[11079048]
WOS研究方向	Chemistry ; Nuclear Science & Technology ; Physics
WOS类目	Chemistry, Physical ; Nuclear Science & Technology ; Physics, Atomic, Molecular & Chemical
WOS记录号	WOS:000390072000006
出版者	PERGAMON-ELSEVIER SCIENCE LTD
EI入藏号	20164703044131
EI主题词	Carbon dioxide ; Cells ; Cytology ; Heat radiation ; Polypropylenes ; Radiation effects ; Runway foaming
WOS关键词	ELECTRON-BEAM IRRADIATION ; HIGH-DENSITY POLYETHYLENE ; RHEOLOGICAL PROPERTIES ; CRYSTALLINE-STRUCTURE ; REACTIVE EXTRUSION ; IONIZING-RADIATION ; CROSS-LINKING ; BLENDS ; POLYMERS ; BEHAVIOR
原始文献类型	Article
引用统计	正在获取...
文献类型	期刊论文
条目标识符	https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/1523
专题	物质科学与技术学院物质科学与技术学院_特聘教授组_吴国忠组物质科学与技术学院_硕士生
通讯作者	Wu, Guozhong
作者单位	1.Chinese Acad Sci, Shanghai Inst Appl Phys, Jialuo Rd 2019, Shanghai 201800, Peoples R China 2.ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 200031, Peoples R China 3.Univ China Acad Sci, Beijing 100049, Peoples R China
第一作者单位	物质科学与技术学院
通讯作者单位	物质科学与技术学院
推荐引用方式 GB/T 7714	Yang, Chenguang,Zhe, Xing,Zhang, Mingxing,et al. Radiation effects on the foaming of atactic polypropylene with supercritical carbon dioxide[J]. RADIATION PHYSICS AND CHEMISTRY,2017,131:35-40.
APA	Yang, Chenguang,Zhe, Xing,Zhang, Mingxing,Wang, Mouhua,&Wu, Guozhong.(2017).Radiation effects on the foaming of atactic polypropylene with supercritical carbon dioxide.RADIATION PHYSICS AND CHEMISTRY,131,35-40.
MLA	Yang, Chenguang,et al."Radiation effects on the foaming of atactic polypropylene with supercritical carbon dioxide".RADIATION PHYSICS AND CHEMISTRY 131(2017):35-40.