POLYMER-COATED NANOPARTICLES, COMPOSITE NANO-EMULSION AND MACRO-EMULSION
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United States of America Patent
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Issued Date -
Mar 21, 2024
app pub date -
Jan 12, 2022
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Feb 7, 2021
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Abstract
Polymer-coated nanoparticles, a composite nano-emulsion and a macro-emulsion are provided. In the polymer-coated nanoparticles, the polymer self-assembles into a cage-shaped structure to coat the nanoparticles; and the nanoparticles are iron-containing metal oxides. The polymer-coated nanoparticle shell provided by the present invention can be used as a stabilizer to prepare a composite nano-emulsion, and furthermore, a stable macro-emulsion can be prepared at an extremely low concentration. The problems that high-concentration surfactants and solid particles are required to stay on an oil-water interface in macro-emulsion synthesis, and surface tension is reduced to stabilize large oil drops are overcome.
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