Glass protecting ink and preparation method thereof
A technology to protect ink and glass, applied in ink, application, household appliances, etc., can solve the problems of light or heavy scratches on glass, scratched glass, consumption of polishing powder, etc., to reduce shrinkage, improve flexibility, enhance The effect of adhesion
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Embodiment 1
[0035] Embodiment 1: the synthesis of epoxy acrylic resin
[0036] Take 424g of epoxy resin (epoxy equivalent of 212), 130g of acrylic acid, 0.65g of hydroquinone, and 0.6g of benzylamine, add them into a three-necked flask, heat to 100°C, and react for 3 hours to obtain an acid value of less than 5mg(KOH) / The composition of g; at this time, cool down to 80°C, add 202g of phthalic anhydride, heat to 100°C after the phthalic anhydride dissolves, and react for 4 hours to obtain an epoxy acrylic resin with an acid value of 80-120mg (KOH) / g. Its chemical structural formula is as follows:
[0037]
[0038] Among them, R 2 for n≈4.5.
Embodiment 2
[0039] Embodiment 2: the synthesis of polyurethane acrylic resin
[0040] Take isophorone diisocyanate (IPDI) 300g, hydroxyethyl methacrylate (HEMA) 244.4g, hydroquinone 0.5g, dibutyltin oxide 0.1g, heat to 60°C for 3 hours, then add polyethylene Diol (PEG 300 ) of 284 g, continue to heat to 70° C. for 4 hours, and monitor the content of -NCO by infrared spectroscopy until the reaction of -NCO is complete to obtain the polyurethane acrylic resin. Its chemical structural formula is as follows:
[0041]
Embodiment 3
[0042] Embodiment 3: Preparation of UV-curable glass protection ink
[0043] Weigh each component according to the following weight percentage, disperse and mix each component and then grind to prepare the UV curing glass protection ink:
[0044]
[0045]
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