Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Mi Hwa Chong"'
Publikováno v:
Journal of Materials Science. Aug2007, Vol. 42 Issue 16, p6524-6531. 8p. 3 Diagrams, 3 Charts, 6 Graphs.
Publikováno v:
Current Applied Physics. 14:1212-1215
This study evaluates the excellent electrochemical performance of silver (Ag)-coated graphene electrode using an electrolytic deposition technique. Ag particles are introduced to the graphene surface as a function of the applied current. A half cell
Publikováno v:
Carbon letters. 15:67-70
In this work, nanocomposites of epoxy resin and chemically reduced graphene oxide (RGO) were prepared by thermal curing process. X-ray diffractions confirmed the microstructural properties of RGO. Differential scanning calorimetry was used to evaluat
Publikováno v:
Journal of Materials Science. 42:6524-6531
Effect of glycerol cross-linking and hard segment content on the shape memory property of polyurethane block copolymer is comprehensively investigated. Phase separation of hard and soft segment is dependent on glycerol cross-linking and hard segment
Publikováno v:
Journal of Materials Science. 42:9045-9056
Shape memory polyurethane (SMPU) cross-linked by a polyethyleneglycol (PEG) spacer at its side was compared with a linear SMPU and the one randomly cross-linked by glycerol. The SMPU was composed of 4,4′-methylenebis(phenylisocyanate) (MDI), polyte
Autor:
David C. Martin, Yong-Chan Chung, Jihua Chen, Mi Hwa Chong, Byoung Chul Chun, Tae Keun Cho, Robert C. Cieslinski
Publikováno v:
Journal of Applied Polymer Science. 106:712-721
Nanocomposites from polyurethane (PU) and montmorillonite (MMT) were prepared under melt- mixing condition, by a twin screw extruder along with a compatibilizer to enhance dispersion of MMT. MMT used in this study was Cloisite 25A (modified with dime
Autor:
David C. Martin, Jihua Chen, Mi Hwa Chong, Tae Keun Cho, Byoung Chul Chun, Yong-Chan Chung, Jong-Shin Park
Publikováno v:
Fibers and Polymers. 8:43-49
Nanocomposite of polyurethane (PU), Nylon66 (nylon), and montmorillonite (MMT) was prepared by a twin screw extruder, and the dispersion of MMT and the mechanical properties of the nanocomposite were analyzed. Dimethyl hydrogenated tallow 2-ethylhexy
Publikováno v:
Fibers and Polymers. 8:7-12
Polyurethane block copolymers chemically cross-linked by pentaerythritol, a four-way cross-linker, are tested for the shape memory effect. One of the copolymers shows higher shape recovery than any other shape memory copolymer synthesized by us so fa
Publikováno v:
Journal of Materials Science; Nov2007, Vol. 42 Issue 21, p9045-9056, 12p, 1 Color Photograph, 2 Diagrams, 5 Charts, 11 Graphs
Autor:
Byoung Chul Chun, Tae Keun Cho, Mi Hwa Chong, YongâChan Chung, Jihua Chen, David Martin, Robert C. Cieslinski
Publikováno v:
Journal of Applied Polymer Science; Oct2007, Vol. 106 Issue 1, p712-721, 10p