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α - 술폰 지방산 알릴에스테르 올리고머의 합성 및 안료 분산성
이향우(Hyang Woo Lee),권순일(Soon Il Kown),남기대(Ki Dae Nam) 한국유화학회 2001 한국응용과학기술학회지 Vol.18 No.1
N/A Allylaliphatic carboxylate oligomers were prepared from polymerization giving allyl aliphatic carboxylates in the presence of potassium persulfate in methanol and the α-sulfonation of these allyl aliphatic carboxylates oligomers were carried by direct addition of dry sulfur trioxide. The dispersing performance of oligomer type anionic surfactants and SDS in the aqueous suspension of Fe_2O_3 and Tio_2 particles were evaluated by particle size distribution and ζ-potential measurement. As results, the particles of Fe_2O_3 and Tio_2 were flocculated by addition of small amount of oligomer type anionic surfactants and SDS, then the flocks redispersed by more addition oligomer type anionic surfactants and SDS. The dispersion and flocculation were observed in lower concentration range of oligomer type anionic surfactants than SDS.