2006•Journal of Dispersion Science and TechnologyRequires access

Clouding Behavior of Ethylene Oxide‐Propylene Oxide Block Copolymer P85: The Effect of Additives

Viral Joshi, Dharmesh Varade, Jigisha Parikh

Abstract

The characteristic feature of nonionic poly(ethylene oxide)‐poly(propylene oxide)‐poly(ethylene oxide) (PEO‐PPO‐PEO) triblock copolymers is that at higher temperatures they undergo clouding and liquid‐liquid phase separation. The clouding temperature of such block copolymers can be profoundly altered in the presence of various additives. In this work the effect of various additives on the clouding phenomenon of triblock copolymer P85[(EO)26(PO)39(EO)26] is discussed.

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Key concepts: Copolymer, Propylene oxide, Ethylene oxide, Oxide, Materials science, Polymer chemistry, Chemical engineering, Chemistry