Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Hyejun Jung"'
Publikováno v:
Colloid and Polymer Science. 295:171-180
Thermally expandable microspheres were prepared by suspension polymerization using low-temperature initiators. The copolymer shells were made from acrylonitrile (AN) and methyl methacrylate (MMA) as the major monomers. Methacrylonitrile (MAN) was use
Publikováno v:
Macromolecular Research. 24:240-248
Porous carbon foams were fabricated using phenol and formaldehyde (PF) as carbon precursors. The pore size and porosity of the foams were controlled using glycol-derivatives as porogen during condensation polymerization. The morphology of the resulti
Publikováno v:
Journal of Colloid and Interface Science. 353:459-466
The RITP-emulsion polymerization of styrene in the presence of molecular iodine has been successfully performed using potassium persulfate (KPS) as an initiator and 1-hexadecanesulfonate as an emulsifier under argon atmosphere at 80°C for 7 hrs in t
Publikováno v:
Journal of Industrial and Engineering Chemistry. 16:1040-1049
The polystyrene spherical particles with homogeneously distributed magnetites were prepared using the conventional miniemulsion polymerization. In the first, the magnetite nanoparticles were coated with oleic acid in aqueous Fe3+/Fe2+ solution using
Publikováno v:
Current Applied Physics. 8:742-745
The linear-type bifunctional vinyl urethane macromonomer (L-VUM: Mw; 40,453) was synthesized and applied to emulsion polymerization of styrene in DDI water. The structure of L-VUM was confirmed using 1 H NMR and FT-IR. The macromonomer served as a go
Publikováno v:
Journal of Applied Polymer Science. 109:2656-2664
Two different polyurethane-based macromonomers, a polyurethane macromonomer with methacrylamide (PUM-M) and a polyurethane macromonomer with acrylamide (PUM-A), were synthesized from poly(ethylene glycol)s (PEGs) of various molecular weights and two
Publikováno v:
Journal of Colloid and Interface Science. 308:130-141
The cross-type (C-VUM) and linear-type (L-VUM) bifunctional vinyl urethane macromonomers and polystyrene (PS) using these macromonomers were synthesized in the dispersion polymerization in ethanol, and the reaction and stabilizing mechanism of the ma
Publikováno v:
Polymer. 47:1830-1836
The cross-type vinylurethane macromonomers (C-VUMs) were successfully synthesized using trimethylolpropane (TMP) as a cross-agent, and applied to the dispersion polymerization of styrene in ethanol. The existence and the structural identification of
Publikováno v:
Polymer. 46:7974-7981
Bifunctional polyurethane-based macromonomers (BPUM) were synthesized from various molecular weights of polyethylene glycol (PEG) and hexamethylene diisocyanate (HDI) with different end group functionalities. The synthesized BPUMs were applied to the
Publikováno v:
Macromolecules. 38:2686-2690
The telechelic macromonomer cross-linkable stabilizer (TMCS) was synthesized by the reaction of isocyanate-terminated prepolymer with methacrylamide and was successfully employed as a steric stabilizer and possible cross-linking agent in the dispersi