ICCAS OpenIR
Highly oriented tunable wrinkling in polymer bilayer films confined with a soft mold induced by water vapor
Qian, Weixian; Xing, Rubo; Yu, Xinhong; Quan, Xinjun; Han, Yanchun
2007-02-14
Source PublicationJOURNAL OF CHEMICAL PHYSICS
ISSN0021-9606
Volume126Issue:6
AbstractThe authors report the formation of highly oriented wrinkling on the surface of the bilayer [polystyrene (PS)/poly(vinyl pyrrolidone) (PVP)] confined by a polydimethylsiloxane (PDMS) mold in a water vapor environment. When PVP is subjected to water vapor, the polymer loses its mechanical rigidity and changes to a viscous state, which leads to a dramatic change in Young's modulus. This change generates the amount of strain in the bilayer to induce the wrinkling. With a shape-controlled mold, they can get the ordered wrinkles perfectly perpendicular or leaned 45 S to the channel orientation of the mold because the orientation of the resultant force changes with the process of water diffusion which drives the surface to form the wrinkling. Additionally, they can get much smaller wrinkles than the stripe spacing of PDMS mold about one order. The wrinkle period changes with the power index of about 0.5 for various values of the multiplication product of the film thicknesses of the two layers, namely, lambda similar to (h(PS)h(PVP))(1/2). (c) 2007 American Institute of Physics.
DOI10.1063/1.241647
Indexed BySCI
Language英语
WOS IDWOS:000244250200034
PublisherAMER INST PHYSICS
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/62672
Collection中国科学院化学研究所
Corresponding AuthorQian, Weixian
Affiliation1.Jilin Univ, Coll Chem, Changchun 130012, Peoples R China
2.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
3.Jilin Univ, Coll Chem, Changchun 130012, Peoples R China
Recommended Citation
GB/T 7714
Qian, Weixian,Xing, Rubo,Yu, Xinhong,et al. Highly oriented tunable wrinkling in polymer bilayer films confined with a soft mold induced by water vapor[J]. JOURNAL OF CHEMICAL PHYSICS,2007,126(6).
APA Qian, Weixian,Xing, Rubo,Yu, Xinhong,Quan, Xinjun,&Han, Yanchun.(2007).Highly oriented tunable wrinkling in polymer bilayer films confined with a soft mold induced by water vapor.JOURNAL OF CHEMICAL PHYSICS,126(6).
MLA Qian, Weixian,et al."Highly oriented tunable wrinkling in polymer bilayer films confined with a soft mold induced by water vapor".JOURNAL OF CHEMICAL PHYSICS 126.6(2007).
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