올리고머형 음이온성계면활성제 수용액에서 안료의 분산안정성(제4보);알파 술폰 지방산 비닐에스테르 올리고머의 분산성
(주)코리아스칼라
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서지정보
ㆍ발행기관 : 한국유화학회
ㆍ수록지정보 : 韓國油化學會誌 / 15권 / 3호
ㆍ저자명 : 이향우, 박선영, 남기대
영어 초록
The sodium α-sulfo fatty acid vinyl ester oligomers, which are oligomer type surfactants were prepared by polymerization with fatty acid vinyl acetate. The α-sulfonation of fatty acid vinyl ester oligomers were carried by direct addition of sulfur trioxide. The dispersing performance of oligomer type anionic surfactants and sodium dodecyl sulfate(SDS) in the aqueous suspension of iron oxide and titanium dioxide particles was evaluated by particle size distribution and zeta-potential measurement. As results, the particles of iron oxide and titanium dioxide were flocculated by addition of small amount of oligomer type anionic surfactants and sodium dodecyl sulfate(SDS), then the flocks redispersed by more addition of oligomer type anionic surfactants and SDS. The flocculation, redispersion process was observed in lower concentration range of oligomer type anionic surfactants than SDS. Especially, the dispersing action of sodium α-sulfo palmitic acid vinyl ester oligomer was better than sodium α-sulfo lauric acid vinyl ester oligomer.
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