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WATER-IN-OIL EMULSION POLYMERIZATION PROCESSES AND THE WATER-IN-OIL EMULSIONS PREPARED THEREFROM
WATER-IN-OIL EMULSION POLYMERIZATION PROCESSES AND THE WATER-IN-OIL EMULSIONS PREPARED THEREFROM
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机译:油包水乳液聚合方法及制备的油包水乳液
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摘要
This invention is directed to a water-in-oil emulsion polymerization process for preparing polymers of water-soluble monomers and to the water-in-oil emulsions prepared by the process. The process comprises subjecting portions of the emulsion to varying rates of shear during emulsion formation. Emulsions comprising water-soluble polymers prepared by this process contain a discontinuous aqueous phase having two or more droplet size distributions. These emulsions can have high polymer solids, reduced oil content, low bulk viscosity and high stability.
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