STYRENE ACRYLATE-SILOXANE COMPOSITE EMULSION WITH CORE-SHELL STRUCTURE, AND PREPARATION METHOD AND USE THEREOF
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United States of America Patent
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Issued Date -
Jul 11, 2024
app pub date -
Jan 19, 2022
filing date -
Dec 28, 2021
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Abstract
The present disclosure provides a styrene acrylate-siloxane composite emulsion with a core-shell structure, and a preparation method and use thereof, and relates to the technical field of protective coatings. In the present disclosure, a core emulsion is prepared through two-step emulsification with styrene, an acrylate monomer, a first emulsifying agent, a first initiator, a second initiator, an alkaline reagent, and water as raw materials; then a shell emulsion is prepared with a siloxane monomer, a hydroxyl-containing acrylate monomer, an emulsifying agent, and water as raw materials; and then the core emulsion, the shell emulsion, and an initiator are subjected to a grafting reaction to obtain the styrene acrylate-siloxane composite emulsion with a core-shell structure.
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