FORMATION OF PERCOLATED STRUCTURE DURING SOLVENT CASTING OF POLYMER BLEND-SOLVENT SYSTEMS
スポンサーリンク
概要
- 論文の詳細を見る
The development of phase separation in ternary systems composed of polybutadiene-poly(styrene-co-butadiene)-good solvent was studied by time-resolved light-scattering during the solvent casting process. Double percolated structures with two different periodic distances were observed for the thick film. The structure with the smaller periodic distance was formed at the surface of films and the larger one was formed inside the film. It was found that the periodic distance for the larger percolated structure was proportional to (tP – tS)0.6, where (tP – tS) is the lapse of the time from the start of phase separation to fixation of the structure. The time dependence of the wave number, qm, at which the light-scattering intensity reaches maximum, was correlated by a similar relationship. The intensity of light scattering at qm was proportional to qm3.3 irrespective of the solvent-casting conditions. The development of the percolated structure was qualitatively interpreted by numerical analysis of an equation describing spinodal decomposition and an equation expressing the time dependence of the polymer concentration in the cast solution.
- 社団法人 化学工学会の論文
- 1993-10-20
著者
-
Kohjiya S
Department Of Chemistry And Materials Technology Faculty Of Design And Engineering Kyoto Institute O
-
MIYAKE Yoshikazu
Department of Chemical Engineering, Faculty of Engineering and High Technology Research Center, Kans
-
SEKIGUCHI Yasuhiro
Department of Chemistry and Materials Technology, Faculty of Design and Engineering, Kyoto Institute
-
KOHJIYA Shinzo
Department of Chemistry and Materials Technology, Faculty of Design and Engineering, Kyoto Institute
-
Kohjiya Shinzo
Department Of Chemistry And Materials Technology Faculty Of Design And Engineering Kyoto Institute O
-
Miyake Yoshikazu
Department Of Chemical Engineering Faculty Of Engineering And High Technology Research Center Kansai
-
Miyake Yoshikazu
Department Of Chemistry And Materials Technology Faculty Of Design And Engineering Kyoto Institute O
-
Sekiguchi Yasuhiro
Department Of Chemistry And Materials Technology Faculty Of Design And Engineering Kyoto Institute O
-
Miyake Yoshikazu
Department Of Chemical Energy And Environmental Engineering Faculty Of Environmental And Urban Engin
関連論文
- Kinetics of Magnetite Formation in a Three-Phase System
- Kinetics of Ferrite Formation in a Three-Phase System
- FORMATION OF PERCOLATED STRUCTURE DURING SOLVENT CASTING OF POLYMER BLEND-SOLVENT SYSTEMS
- Kinetics of Photo-Induced Reduction of m-Nitroacetophenone with TiO_2 Powder
- The Formation Process of Spherical Mesoporous Silica with Reverse Nanostructure of MCM41 in a Two-phase System
- Synthesis of Ordered Cage-like Mesoporous Aluminosilicates from Na-A Zeolite Precursors Dissolved in HCl
- Mesoporous Titania Prepared in the Presence of Alkylamine
- Photocatalytic Degradation of Methylene Blue with Metal-Doped Mesoporous Titania under Irradiation of White Light
- Synthesis and Characterization of Ni-doped Silica Membranes Prepared Using a Hybrid Sol-Gel/CVD Method
- Carbon Dioxide Adsorption Properties in Ion-exchanged Zeolites Rho
- Extraction mechanism of rare earth metals in the presence of diethylenetriaminepentaacetic acid in aqueous phase.
- The polymerization of .BETA.-propiolactone by calcined synthetic hydrotalcite.
- Extraction of amine by W/O/w emulsion system.
- Synthesis of dimethylamino terminated poly(tetrahydrofuran) and adhesion property of poly(tetrahydrofuran) ionene prepared therefrom.
- Equilibrium and Kinetic Studies on Complex Formation Reaction between Crown Ethers and Bivalent Transition Metal Ions.
- Permeation rate and selectivity in the separation of cobalt and nickel by supported liquid membranes.
- Effect of alkyl chain length of o-hydroxyoxime on the extraction of copper.
- Mechanism and kinetics of palladium extraction with .BETA.-hydroxyoxime.