Free-of-polishing, double-component curable coating with super-strong adhesion and preparation method thereof
A two-component curing and adhesion technology, used in polyurea/polyurethane coatings, coatings, etc., can solve the problems of unbearable enterprises, hard to find grinding workers, and no one willing to do it, to reduce labor costs and achieve good adhesion. , excellent adhesion effect
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Embodiment 1
[0087] A preparation method of super-adhesive non-grinding two-component curing coating: design according to NCO / OH=1:1.3, the modified acrylic resin is produced by the author himself, and the isocyanate is produced by Bayer in Germany; the paint is mixed in proportion (according to the paint: curing agent: thinner = 1:1:1), and then spray it on the (PU) white base with a special spray gun for paint. The PU white base is not polished, and it is maintained for 1 week for testing (25°C, 70% humidity) .
Embodiment 2
[0089] A preparation method of super-adhesive non-grinding two-component curing coating: design according to NCO / OH=1:1.3, the modified acrylic resin is produced by the author himself, and the isocyanate is produced by Bayer in Germany; the paint is mixed in proportion (according to the paint: curing agent: thinner = 1:1:1), and then spray it on the (PE) white base with a special spray gun for paint. The PE white base is not polished, and it is maintained for 1 week for testing (25°C, 70% humidity) .
Embodiment 3
[0091] A preparation method of super-adhesive non-grinding two-component curing coating: design according to NCO / OH=1:1.3, the modified acrylic resin is produced by the author himself, and the isocyanate is produced by Bayer in Germany; the paint is mixed in proportion (according to the paint: curing agent: thinner = 1:1:1), and then spray it on the rubber wood material with a special spray gun for paint without polishing, and maintain it for 1 week for testing (25°C, 70% humidity).
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