Applied Chemistry for Engineering (공업화학)

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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The Dispersion Stability of Hydrophilic Pigments in Solution of Oligomer Type Anionic Surfactants with Fluorescent Structure

형광성 구조를 갖는 올리고머형 음이온성 계면활성제 수용액에서 친수성 안료의 분산 안정성

Nam, Ki-Dae;Park, Seon-Young;Jeong, Hwan-Kyeng;Kim, Myung-Soo;Kim, Sang-Chun
남기대;박선영;정환경;김명수;김상춘

  • Published : 20020600
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Abstract

Oligomer type anionic surfactant (RmM-Na) was synthesized from $C_8{\sim}C_{16}$ long chain of alkylvinylether and maleic anhydride (maleic diethylether). The fluorescent anionic surfactant (RmF-Na) was obtained from alkali neutralization, which opens the lactone ring of the condensing materials produced by maleic anhydride alkyl vinyl ether copolymer and 3-aminophenol. The dispersion characteristics were studied on hydrophilic pigments: ferric oxide (${\alpha}-Fe_2O_3-A\;or\;{\alpha}-Fe_2O_3-B$) and titanium dioxide (rutile or anatase). The oligomer type surfactant that has a fluorescent structure with long alkyl chain length, $C_{12}{\sim}C_{16}$, exerted large dispersing action for the hydrophilic pigments. The dispersion stability for ferric oxid was shown to be good in the range of $0.01{\sim}0.1$ wt%. It was shown that $R_{12}F-Na$ was an excellent dispersion stabilizer for titanium dioxide in the concentration range of $0.05{\sim}0.5$ wt%.

올리고머형 음이온성 계면활성제(RmM-Na)를 탄화수소의 탄소수가 $8{\sim}16$ 범위인 장쇄 알킬비닐에테르와 무수말레인산의 공중합반응으로 합성하였고, 그의 형광성 음이온성 계면활성제(RmM-Na)는 공중합물인 maleic anhydride polyalkyl vinyl ether과 3-aminophenol를 알카리 매질하에 축합으로 락톤고리가 개열되면서 얻어졌다. 친수성 안료인 산화철(${\alpha}-Fe_2O_3-A$이나 ${\alpha}-Fe_2O_3-B$)과 산화티탄(rutile이나 anatase) 등에 대한 분산성을 비교 검토한 결과 알킬탄화수소의 탄소수가 $12{\sim}16$ 범위인 형광성 구조를 갖는 올리고모형 음이온성 계면활성제가 친수성 안료인 산화철인 경우 $0.01{\sim}0.1$ wt% 농도범위에서 그리고 산화티탄인 경우는 $0.05{\sim}0.5$ wt% 농도범위에서 우수한 분산성을 나타내었다.

Keywords

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