ICCAS OpenIR
Effect of particle size on the filming process of polystyrene latex studied by AFM
Qu, XZ; Shi, Y; Chen, LS; Jin, XG
2002-11-01
Source PublicationCHINESE JOURNAL OF POLYMER SCIENCE
ISSN0256-7679
Volume20Issue:6Pages:509-515
AbstractThe film formation process of micro-PS particles (diameter 742 nm) and nano-PS particles (diameter 29 nm) was studied by atomic force microscopy and differential scanning calorimetry. During a step heating process, the particles were annealed for 0.5 h at each selected temperature. It was found that the deformation and interdiffusion temperatures of the micro-PS particles are ca. 120-130degreesC and 140-150degreesC, that of the nano-PS particles are 90degreesC and 100-110degreesC respectively. The DSC traces of nano-PS particles showed that there was an exothermic peak near T-g after annealing for 0.5 h at the selected temperatures below 90degreesC; otherwise, the exothermic peak disappeared after annealing at 100degreesC or above. Compared with the micro-PS particles, the sintering process of nano-PS particles occurs at much lower temperature determined by the confined state of polymer chains with higher conformational energy in nano-particles, and completes in a much narrower temperature range driven mainly by the larger total surface energy.
KeywordPolystyrene Latex Filming Process Particle Size Effect
Indexed BySCI
Language英语
WOS IDWOS:000179457900002
PublisherSPRINGER-VERLAG BERLIN
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Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/78676
Collection中国科学院化学研究所
Corresponding AuthorJin, XG
AffiliationChinese Acad Sci, Inst Chem, Ctr Mol Sci, State Key Lab Polymer Phys & Chem, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Qu, XZ,Shi, Y,Chen, LS,et al. Effect of particle size on the filming process of polystyrene latex studied by AFM[J]. CHINESE JOURNAL OF POLYMER SCIENCE,2002,20(6):509-515.
APA Qu, XZ,Shi, Y,Chen, LS,&Jin, XG.(2002).Effect of particle size on the filming process of polystyrene latex studied by AFM.CHINESE JOURNAL OF POLYMER SCIENCE,20(6),509-515.
MLA Qu, XZ,et al."Effect of particle size on the filming process of polystyrene latex studied by AFM".CHINESE JOURNAL OF POLYMER SCIENCE 20.6(2002):509-515.
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