화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2012년 가을 (10/11 ~ 10/12, 창원컨벤션센터)
권호 37권 2호
발표분야 고분자가공/복합재료
제목 Polymer-nanoclay hybrid by surfae initiated polymerization for barrier layer coating on plastic substrate for flexible display
초록 Transparent plastic substrates with excellent barrier properties are required for flexible display devices. Organic-inorganic hybrid coating was attempted in this work to secure the barrier properties as well as optical properties. Na+-MMT and epoxy acrylate were used as clay and polymer, respectively. Inorganic clay was organically modified by 2-(methylacryloyloxyl)ethyl(4-benzoylbenzyl)dimethyl ammonium bromide (MDAB) by using cationic exchange reaction. MDAB was synthesized and used as intercalating agent to enhance compatibility with polymer and also as a photo-initiator to induce exfoliate structure of nanoclay by using Surface initiated polymerization (SIP). SIP process was effective for uniform dispersion of clay in polymer matrix and for inducing exfoliation of clay chemically. Barrier properties such as WVTR and OTR were decreased maintaining optical properties.
저자 박유정, 김성수
소속 경희대
키워드 polymer-clay; clay modification; barrier property; WVTR; SIP
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