Preparation process for core-shell nanoparticle emulsion for impact modification of aqueous epoxy resin
The present invention discloses a preparation process for a core-shell nanoparticle emulsion for impact modification of aqueous epoxy resin. The preparation method comprises the following steps of: step A, using a sol-gel method to prepare uniformly dispersed nanosilica, and using a silane coupling...
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| creator | LI QIN SHI DEAN ZHAO HUI JIANG TAO JIANG HAI WANG GUOCHENG ZHANG QUNCHAO ZOU HANG REN XIAOMING JIANG LILI ZHANG GANGSHEN ZHANG JING |
| description | The present invention discloses a preparation process for a core-shell nanoparticle emulsion for impact modification of aqueous epoxy resin. The preparation method comprises the following steps of: step A, using a sol-gel method to prepare uniformly dispersed nanosilica, and using a silane coupling agent to conduct surface hydrophobic modification on the nanosilica to obtain hydrophobic nanosilica; and step B, using a micro-suspended seed emulsion polymerization method and the hydrophobic nanosilica obtained in step A as a core structure, and using methacrylate and a glycidyl methacrylate monomer to conduct polymer coating to obtain the product. Core-shell structure nanoparticles prepared by the preparation process, using silica as the core with the surface coated with polymers, have the advantages of high coating rate, uniform size and same shell thickness. |
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The preparation method comprises the following steps of: step A, using a sol-gel method to prepare uniformly dispersed nanosilica, and using a silane coupling agent to conduct surface hydrophobic modification on the nanosilica to obtain hydrophobic nanosilica; and step B, using a micro-suspended seed emulsion polymerization method and the hydrophobic nanosilica obtained in step A as a core structure, and using methacrylate and a glycidyl methacrylate monomer to conduct polymer coating to obtain the product. 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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS |
| title | Preparation process for core-shell nanoparticle emulsion for impact modification of aqueous epoxy resin |
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