Ultraviolet light curing oil polish and preparation thereof
A technology of ultraviolet light and varnish, applied in the direction of coating, etc., can solve the problems of poor adhesion, high cost, time-consuming, etc., and achieve the effect of not easy to leak, excellent adhesion, and strong wear resistance
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[0017] Example 1
[0018] 1. Preparation of active oligomer:
[0019] Add 150g of toluene into a 1000ml four-necked flask equipped with a stirrer, condenser, thermometer and dropping funnel. The temperature is raised to 85±2℃. The monomers of each resin are mixed in advance and 1.3g of azobisisobutyl is added. Nitrile and 2.8g dodecyl mercaptan are completely dissolved to make a monomer mixture. Add 1 / 6 of the monomer mixture to a four-necked flask, stir and keep for 1 hour. Add the remaining monomer dropwise, and finish it in 2.5-3 hours. ,Incubate for 2h, heat up to 110℃, add dropwise 2.3g of azobisisobutyronitrile pre-dissolved with 50G, drop for 1.5h, keep for 3h, add 2,6-tert-butyl-p-cresol, stir well and add acrylic acid React with N,N dimethylbenzylamine at 110~115℃ until the acid value is less than 10mgKOH / g, add 150g tripropylene glycol diacrylate, cool to 85℃, under vacuum degree above -0.097, temperature 80 Toluene was distilled out under reduced pressure at ~85°C, and ...
Example Embodiment
[0022] Example 2
[0023] 1. The preparation method of the active oligomer is as in Example 1, but acetone, ether or any organic solvent is used instead of toluene.
[0024] 2. The preparation of UV-curable glazing oil is as in Example 1, but A2 is used instead of A1.
Example Embodiment
[0025] Example 3
[0026] 1. The preparation method of the active oligomer is as in Example 1, but acetone, ether or any organic solvent is used instead of toluene.
[0027] 2. The preparation of UV curable glazing oil is as in Example 1, but A3 is used instead of A1.
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