기능성마이크로스피어의 제조와 응용(Ⅰ)TiO₂를 함유한 Poly 공중합체의 마이크로스피어 제조 및 그 특성에 관한 연구
Preparation and Application of Functional Microsphere(I)A Study on Microsphere Formation and Characteristics of Poly(ethylene-co-vinylacetate) Polymer with TiO₂
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Poly(ethylene-co-vinylacetate)(EVA) microspheres were prepared by a thermally induced phase separation. The microsphere formation occurred by the nucleation and growth mechanism in the metastable region. The diluents used were toluene. The microsphere formation and growth was followed by the cloud point of the optical microscope measurement. The microsphere size, which was obtained by SEM observation and particle size analyzer, became decreased when the titanium dioxide(TiO2) concentration was higher. The deodorizing function of the prepared fabrics was studied by the determination of the decomposing capability for NH3. The deodorant activity of these deodorizing fabrics was measured by chromogenic gas detector tubes. The deodorant activity of NH3 increased with increasing TiO₂ concentration of EVA microsphere.
Abstract
Poly(ethylene-co-vinylacetate)(EVA) microspheres were prepared by a thermally induced phase separation. The microsphere formation occurred by the nucleation and growth mechanism in the metastable region. The diluents used were toluene. The microsphere formation and growth was followed by the cloud point of the optical microscope measurement. The microsphere size, which was obtained by SEM observation and particle size analyzer, became decreased when the titanium dioxide(TiO2) concentration was higher. The deodorizing function of the prepared fabrics was studied by the determination of the decomposing capability for NH3. The deodorant activity of these deodorizing fabrics was measured by chromogenic gas detector tubes. The deodorant activity of NH3 increased with increasing TiO₂ concentration of EVA microsphere.
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