화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2007년 가을 (10/11 ~ 10/12, 일산킨텍스)
권호 32권 2호
발표분야 기능성 고분자
제목 Preparation and Release Characteristics of pH-Sensitive Poly(vinyl alcohol)/Poly(acrylic acid) Microcapsules Containing Drug
초록 The pH-sensitive poly(vinyl alcohol) (PVA) / poly(acrylic acid) (PAAc) IPN microcapsules were prepared by using surface-treated SiO2 and drug with oil-in-water emulsion polymerization. The features of the microcapsules were investigated in terms of manufacturing conditions and pH-sensitivity behaviors. The shape and structural feature of the microcapsules were studied by optical microscope and scanning electron microscope. The role of interfacial adhesion between PVA/PAAc and drug was studied by contact angle measurements. The controlled release behaviors were examined by UV/VIS spectroscopy.
저자 윤주미, 김형일
소속 충남대
키워드 pH-Sensitive; Microcapsules; emulsion polymerization; poly(vinyl alcohol) (PVA); poly(acrylic acid) (PAAc)
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