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Silicone - Based Urethane Acrylate Anionomer 의 합성과 그의 특성 분석에 관한 연구
서경도,이준우 한국공업화학회 1998 응용화학 Vol.2 No.1
The synthesis of silicone-based urethane acrylate anionomer (SUAA) was performed via stepwise reaction procedure, using hydroxy-terminated polydimethylsiloxane (PDMS) as a soft segment, isophorone diisocyanate (IPDI), dimethylol-propionic acid (DMPA), and 2-hydroxyethyl methacrylate (2-HEMA). Particularly, DMPA incorporated into the molecular backbone acted as a strong hydrophilic site, leading to obtain the water-soluble prepolymer. SUAA readily solved in water. Characterization of SUAA was carried out by ¹H-NMR.
UV - curable silicone - based urethane acrylate anionomer 의 합성과 그의 코팅 특성
서경도,조유건,이준우,김주영 한국공업화학회 1998 응용화학 Vol.2 No.2
The synthesis of silicone-based urethane acrylate anionomer (SUAA) was performed via stepwise reaction procedure, using hydroxy-terminated polydimethylsiloxane (PDMS) as a soft segment, isophorone diisocyanate (IPDI), dimethylolpropionic acid (DMPA), and 2-hydroxyethyl methacrylate (2-HEMA). Particularly, DMPA impart ionic hydrophilic site into molecular backbone, leading to obtain the water-soluble prepolymer. SUAA was neutralized by triethylamine to increase solubility in water. Silicone-based urethane acrylate (SUA) which doesn't have pedant ionic site was also synthesized. With the introduction of silicone group in urethane and ionic site in SUA, change in mechanical properties and coating properties were studied. SUA that was not incorporated ionic site was flexible, while SUAA having pedant ionic groups was brittle.