Organic volatile solvent-free environmentally friendly anti-cracking transparent UV spray priming paint
A volatile solvent, environment-friendly technology, applied in the field of environment-friendly anti-cracking transparent UV spray primer, can solve problems such as cracking, achieve low viscosity, good adhesion, and good wettability
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[0010] The principle of the present invention is that by selecting suitable light-curing resins and reactive monomers, the requirement of being able to cycle at low temperature -20°C to high temperature 120°C without cracking can be achieved.
[0011] In the present invention: the formula based on mass percentage is:
[0012] raw material name Mass fraction% Modified epoxy acrylic resin 30-50% Modified polyurethane acrylate 10-15% Active monomer 15-30% Photoinitiator 3-6% Dispersant 0-1% Defoamer 0-1% filler 10-15% Leveling agent 0-1%
[0013] Among them, the modified epoxy acrylic resin is at least one of 6485, Eternal6315, Eternal6362-100, Eternal6319, DR-E509, CN2261; the modified polyurethane acrylate is Eternal6148j-75, Eternal6130B-80, UV3000B, Eternal6198, DR- At least one of U052; the reactive monomer is PO-NPGDA (propylene oxide neopentyl glycol diacrylate), DPGDA (dipropylene glycol diacrylate), TPGDA (tripropylene glycol diacrylate), HDDA (1,6- Hexanediol dia...
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