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Preparation of large particle size monodisperse latexes
Preparation of large particle size monodisperse latexes
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机译:大粒径单分散胶乳的制备
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摘要
Monodisperse latexes of at least 2-30 microns particle size are prepared from an emulsion recipe comprising a monodisperse seed latex polymer on the order of 2 microns or less particle size, a polymerizable monomer, an initiator, at least one inhibitor, and a water-soluble polymeric emulsifer of 10.sup.4 -10.sup.7 molecular weight. Optional ingredients are cross-linking monomer, oil-soluble inhibitor if the mixture is to be stored before polymerization, and one or more additional emulsifiers selected from a water-soluble comonomer or polymer of 0.3. times.10.sup.3 -5×10.sup.3 molecular weight and a non-polymeric anionic emulsifier. Additional particle size growth and monodisperse latex yield are realized by polymerization in a microgravity environment.
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