Abstract
Phase diagram of polyoxyethylene dodecyl ethers-water system was constructed as a function of the polyoxyethylene (EO) chain length at 25°C to figure out the correlation between HLB (hydrophile-lipophile balance) of surfactant and the types of self-organizing structures. The EO chain length is varied from 1 to 9. Various self-organizing structures such as discontinuous-type cubic phase (I1), hexagonal liquid crystal (H1), normal bicontinuous-type cubic phase (V1), lamellar liquid crystal Lα and reverse bicontinuous-type cubic phase (V2) are formed depending on the HLB of the surfactant and/or the surfactant concentration. The effect of the EO-chain length on the structure of Lα phase was also investigated by means of small-angle X-ray scattering. The new phase diagram of water-C12EO9 system is also presented.
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© 1998 Dr. Dietrich Steinkopff Verlag GmbH & Co. KG
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Huang, K.L., Shigeta, K., Kunieda, H. (1998). Phase behavior of polyoxyethylene dodecyl ether-water systems. In: Koper, G.J.M., Bedeaux, D., Cavaco, C., Sager, W.F.C. (eds) Trends in Colloid and Interface Science XII. Progress in Colloid & Polymer Science, vol 110. Steinkopff. https://doi.org/10.1007/BFb0118071
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DOI: https://doi.org/10.1007/BFb0118071
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