Rapid curing coating applicable to UV-LED (Ultraviolet-Light-Emitting Diode) light source and preparation method thereof
A UV-LED, fast curing technology, applied in coating and other directions, can solve the problems of short use time of high-pressure mercury lamps, low energy efficiency of high-pressure mercury lamps, deformation of substrates, etc., to achieve broad market application prospects, good chemical resistance The effect of high stability and high mechanical strength
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Embodiment 1
[0022] Example 1 A coating that can be used for UV-LED light source curing, its components and their weight percentages are: mercapto-modified polyurethane acrylic resin 43%, dipropylene glycol diacrylate 22%, polyurethane acrylic resin 30% , 2,4,6-trimethylbenzyl diphenylphosphine oxide 4.5%, polyether modified polysiloxane 0.15%, acrylate leveling agent 0.35%.
[0023] A kind of preparation method that can be used for the coating of UV-LED light source curing: this preparation method that can be used for the coating of UV-LED light source curing is characterized in that following steps are arranged successively: avoid sunlight or ultraviolet light irradiation, air relative humidity is less than Under the condition of 70%, slowly add 43% mercapto-modified polyurethane acrylic resin, 10% polyurethane acrylic resin, 42% dipropylene glycol diacrylate, 4.5% 2,4,6-trimethylbenzene First base diphenyl phosphine oxide, 0.15% polyether modified polysiloxane, 0.35% acrylate leveling a...
Embodiment 2
[0024] Embodiment 2 A coating that can be used for UV-LED light source curing, its components and their weight percentages are respectively: 30% of mercapto-modified polyurethane acrylic resin, 20% of dipropylene glycol diacrylate, and 25% of polyurethane acrylic resin , Titanium dioxide 20%, 2,4,6-trimethylbenzyl diphenylphosphine oxide 4.5%, polyether modified polysiloxane 0.15%, acrylate leveling agent 0.35%.
[0025] The preparation method of this coating that can be used for UV-LED light source curing is characterized in that it has the following steps in sequence: under the condition of avoiding sunlight or ultraviolet light irradiation and the relative air humidity is less than 70%, slowly modify 30% of the mercapto groups sequentially. Polyurethane acrylic resin, 20% dipropylene glycol diacrylate, 25% polyurethane acrylic resin, 20% titanium dioxide, 4.5% 2,4,6-trimethylbenzyl diphenylphosphine oxide, 0.15 % polyether modified polysiloxane, 0.35% acrylate leveling agen...
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