ICCAS OpenIR
Effect of [C14MIM] Br Ionic Liquid on Foaming Behavior of Polypropylene by Supercritical CO2
Li Bo-Xuan2; Yu Jian1; Ding Yun-Sheng2; Zhang Jun1; He Jia-Song1
2010-05-10
Source PublicationCHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
ISSN0251-0790
Volume31Issue:5Pages:861-863
AbstractEffects of an ionic liquid, 1-n-tetradecyl-3-methylimidazolium bromide ([C14MIM] Br), as a foaming additive on the foaming behavior of polypropylene(PP) by supercritical CO2 technique was reported. Mass ratio of PP/[C14MIM] Br up to 100: 10 was incorporated via melt blending. The melting behavior and fractured morphology of PP/[C14MIM] Br samples were investigated by differential scanning calorimetry(DSC) and scanning electron microscopy(SEM), respectively. The CO2 sorption was measured by commonly accepted gravimetric method. The results of DSC and CO2 sorption experiments show that [C14MIM] Br has little effect on the crystallinity, melting point and the mass uptake of CO2 of PP. SEM images reveal that [C14MIM] Br forms a well-dispersed phase, whose size increases with [C14MIM] Br content, in the PP matrix. The foamed PP/[C14MIM] Br samples exhibit close cell structure, increased cell size and decreased unfoamed region and bulk density, compared with pure PP foamed under the same saturation conditions of 155 degrees C/10 MPa, indicating ionic liquid [C14MIM] Br has significant effect on the foaming behavior of PP.
Keyword[C14mim] Br Ionic Liquid Polypropylene Supercritical Carbon Dioxide Foaming Property
Indexed BySCI
Language英语
WOS IDWOS:000278159700004
PublisherHIGHER EDUCATION PRESS
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/70110
Collection中国科学院化学研究所
Corresponding AuthorYu Jian
Affiliation1.Chinese Acad Sci, Inst Chem, Joint Lab Polymer Sci & Mat, BNLMS,Key Lab Engn Plast, Beijing 100190, Peoples R China
2.Hefei Univ Technol, Sch Chem Engn, Hefei 230009, Peoples R China
Recommended Citation
GB/T 7714
Li Bo-Xuan,Yu Jian,Ding Yun-Sheng,et al. Effect of [C14MIM] Br Ionic Liquid on Foaming Behavior of Polypropylene by Supercritical CO2[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2010,31(5):861-863.
APA Li Bo-Xuan,Yu Jian,Ding Yun-Sheng,Zhang Jun,&He Jia-Song.(2010).Effect of [C14MIM] Br Ionic Liquid on Foaming Behavior of Polypropylene by Supercritical CO2.CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,31(5),861-863.
MLA Li Bo-Xuan,et al."Effect of [C14MIM] Br Ionic Liquid on Foaming Behavior of Polypropylene by Supercritical CO2".CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE 31.5(2010):861-863.
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