A perspective on the contribution of surfactants and lipids toward “Green Chemistry”: Present states and future potential |
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Authors: | Kouichi Urata Naotake Takaishi |
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Affiliation: | (1) Tokyo Research Laboratory, Kao Corporation, 2-1-3 Bunka, Sumida-ku, 131 Tokyo, Japan |
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Abstract: | “Green Chemistry” has become a subject of increasing interest in recent years. The goal of efforts in this area is to develop
environmentally friendly methods and processes to replace traditional reactions that use organic solvents, consume much energy,
and generate undesirable by-products and/or waste. Utilization of renewable resources is an important component of Green Chemistry.
Fats and oils represent one such resource. They can give rise to many types of surfactants and lipids that can modify properties
of boundary phases between different phases. Thus, phase-transfer catalysts (PTC) based on surfactants or lipids have been
reported to be useful in reactions such as oxidation and hydration reactions and in glycidyl ether formation. Another approach
to satisfying Green Chemistry requirements is the recovery and recycling of reactants and/or substrates used. In the preparation
of alkyl glyceryl ethers, the intermediate 1,3-dioxolane compounds prepared by addition of acetone to alkyl glycidyl ethers
can be hydrolyzed to regenerate reusable acetone. Other examples of methodologies based on surfactants or lipids are summarized,
and their potential contribution to Green Chemistry is discussed. |
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Keywords: | Green Chemistry Lipids nonsolvent PTC recycling surfactants |
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