Aqueous silicon dioxide-fluorinated acrylate polyurethane ultraviolet-curing coating, preparation method and application thereof
A technology of fluorinated acrylate and water-based silica, which is applied in the field of water-based silica-fluorinated acrylate polyurethane UV-curable coating and its preparation, can solve the thermal stability, water resistance and corrosion resistance of hybrid materials No research has been done to achieve the effect of excellent mechanical properties, small surface tension and fast curing rate
Inactive Publication Date: 2012-12-12
JIANGSU UNIV
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Abstract
The present invention discloses an aqueous silicon dioxide-fluorinated acrylate polyurethane ultraviolet-curing coating, a preparation method and an application thereof, and belongs to the technical field of polymer synthesis. The preparation method comprises: preparing a tetraethyl orthosilicate sol; dissolving polyether polyol in an N-methyl pyrrolidone solution of dimethylol propionic acid; adding hydroxyethyl methacrylate to carry out end capping; adding triethylamine to form a salt to prepare an aqueous polyurethane acrylate prepolymer emulsion; adding hexafluorobutyl acrylate and trimethylolpropane triacrylate to prepare an aqueous fluorinated acrylate polyurethane prepolymer emulsion; adding gamma-methacryloxy propyl trimethoxyl silane to the prepolymer emulsion, mixing, and adding the prepared tetraethyl orthosilicate sol; and finally adding 2-hydroxy-2-methyl-1-propiophenone to prepare the finished product. The coating of the present invention has advantages of rapid curing, excellent mechanical properties, low surface tension, aging resistance, yellowing resistance, good water resistance, and the like, and can be used as coatings for building and furniture.
Application Domain
Polyurea/polyurethane coatings
Technology Topic
Tetraethyl orthosilicatePrepolymer +20
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- Effect test(1)
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