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블릿 Title(Kor) *
블릿 Title(Eng) A Study on the Thermally Expandable Microspheres for Wallpaper by the particle size of Colloidal Silica
블릿 Keyword microspheres, wallpaper, foam, whiteness, blowing agent
블릿 Author(Kor) *
블릿 Author(Eng) Sang-Jin Lee, Kang-Jin Jo, Jin-Wook Park, Myeong Woo Kim, and Ji-Hoo Kim†
블릿 Date 2018.09.30
블릿 Attach file 3 131-135김지후.pdf
블릿 Page Page. 131~135
블릿 Abstract(Kor)
블릿 Abstract(Eng)
This study was aimed at improving the white index (WI) to prepare thermally expandable microspheres for wallpaper. In particular, thermally expandable microspheres were prepared for different colloidal silica particle sizes to study thermal properties, foaming ratio, and WI. The spheres obtained from tiny colloidal silica were the best in terms of WI and yellowing. Additionally, thermogravimetric analysis results show that small colloidal silica particles are more likely to be adsorbed physically or chemically to the microsphere surface, thereby improving WI at higher temperatures.


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