Unmodified sol / polyacrylate core shell emulsion and preparation method
2014
The present invention discloses a non-modified silica / polyacrylate core-shell emulsion preparation method, a commercially available alkaline silica sol, acrylate monomer as a main raw material, nanoparticles without surface modification tedious , under reactive emulsifier, in situ polymerization of the monomer occurs at the surface of the unmodified SiO2 particles obtained as a seed emulsion for the core of SiO2, then proceeds in the milk of the shell was polymerized acrylic seed emulsion grain surface, synthesis the superior performance of unmodified sol / polyacrylate core shell emulsion. The method of the present invention production process is simple, fast synthesis, the synthesized unmodified sol / polyacrylate core shell emulsion coating film having high transparency, water resistance, high hardness, adhesion properties, while having good resistance to staining pollution, heat resistance, acid and other properties, and environmental protection, flame retardant, a high-performance, low-cost aqueous emulsion core-shell nano new environmentally friendly, can be widely used in many coatings.
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