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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 5, Number 5
BKCSDE 5(5)
May 20, 1984

Title	Some Model Solute Affinity for a Tactic p-HEMA Membranes by KD-Measurement
Author	Eun Hee Lee, Sang Il Jeon, Mu Shik Jhon
Keywords
Abstract	Two series of membranes have been prepared by postcrosslinking highly syndiotactic and isotactic poly (2-hydroxyethyl methacrylate), P(HEMA). The crosslinker used was hexamethylene diisocyante (HMDIC). The distribution coefficients (KD2) of the model solutes such as urea (and thiourea), their derivatives, homologous alcohol series and amide sreies in water-swollen tactic P(HEMA) membranes at 25℃ were mesaured. In addition, the concentration effects of acetamide and butyramid were also measured. On the basis of hydrophobic interaction and the structural factors of tactic P(HEMA) membranes, the hydrophobic adsorption of the solutes in the polymer matrix were discussed. The results showed that the more hydrphobic the solute is, the higher the KD2 value is. And the polymer conformation also affects the distribution of solvents.
Page	175 - 178
Full Text	PDF

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