A kind of PVC coating cured by uv-led light source and preparation method thereof
A UV-LED, light source technology, used in polyester coatings, polyurea/polyurethane coatings, coatings, etc., can solve the problems of short service life of high-pressure mercury lamps, substrate deformation, equipment corrosion, etc., and achieve broad market application prospects , The effect of preventing oxygen inhibition and good adhesion
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[0025] The invention will be further illustrated by the following non-limiting examples.
[0026] The present invention also provides a kind of preparation method of the PVC coating composition cured by UV-LED light source, comprises the following steps:
[0027] Step 1, under the condition of avoiding sunlight or ultraviolet light, mix polyurethane acrylate, hyperbranched acrylate oligomer, some monomers, and photoinitiator in sequence according to the ratio, and control the temperature of the mixed material during the stirring process When the temperature is less than 50°C, the stirring speed is 500-8000 rpm for 5 minutes;
[0028] Step 2: Add fillers and pigments according to the above ratio, fully disperse at a stirring speed of 800-1000 rpm, then add additives to disperse evenly, and finally add amine-modified acrylate oligomer and remaining monomers and stir at room temperature and adjust the viscosity. After uniform dispersion, the PVC coating cured by UV-LED light so...
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