High viscosity polyvinyl acetate emulsion and preparation method thereof
2010
The invention relates to a high viscosity polyvinyl acetate emulsion. The high viscosity polyvinyl acetate emulsion is characterized in that: the emulsion is prepared from the following raw materials, wherein the raw materials comprise a vinyl acetate monomer, an emulsifying agent and protective colloid; the emulsifying agent is the non-ionic emulsifying agent, and the protective colloid is polyvinyl alcohol. According to the present invention, the viscosity of the high viscosity polyvinyl acetate emulsion exceeds 200000 mpa.s; after the high viscosity polyvinyl acetate emulsion is uniformly mixed with the cellulose and the filler, the resulting mixture is coated on the woodworking decorative sheet material, the coated material has advantages of good initial adhesion, no foaming, no cracking, high strength and the like; the high viscosity polyvinyl acetate emulsion of the present invention provides significant application effects for photo frame and other decorative industries with high emulsion viscosity requirements.
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