A special water-based resin anti-fog coating and anti-fog film for thin film
A technology of anti-fog coatings and water-based resins, applied in polyester coatings, coatings, and other chemical processes, can solve the problems of high price, affecting surface smoothness and uniformity, expansion and foaming, etc., and achieve low cost and long-lasting Anti-fog, good adhesion effect
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Embodiment 1
[0058] A special water-based resin anti-fog coating for thin films, said coating comprising a first composition and a second composition;
[0059] Wherein the first composition comprises the following components in parts by weight:
[0060]
[0061] The second composition comprises the following components in parts by weight:
[0062]
[0063] The number-average molecular weight of the water-based polyester resin is 7000; the auxiliary solvent, solvent, catalyst, curing agent, and wetting agent in the first composition are the same as those in the second composition. The hydrophilic component is polyvinyl alcohol 1788 low-viscosity type; the catalyst is toluene-4-sulfonic acid. The curing agent is methyl etherified amino resin. The wetting agent is polyether modified polydimethylsiloxane. The co-solvent is isopropanol; the solvent is deionized water.
Embodiment 2
[0065] A special water-based resin anti-fog coating for thin films, said coating comprising a first composition and a second composition;
[0066] Wherein the first composition comprises the following components in parts by weight:
[0067]
[0068]
[0069] The second composition comprises the following components in parts by weight:
[0070]
[0071] The number-average molecular weight of the water-based polyester resin is 7000; the auxiliary solvent, solvent, catalyst, curing agent, and wetting agent in the first composition are the same as those in the second composition. The hydrophilic component is polyvinyl alcohol 1788 low-viscosity type; the catalyst is toluene-4-sulfonic acid. The curing agent is methyl etherified amino resin. The wetting agent is polyether modified polydimethylsiloxane. The co-solvent is isopropanol; the solvent is water.
Embodiment 3
[0073] A special water-based resin anti-fog coating for thin films, said coating comprising a first composition and a second composition;
[0074] Wherein the first composition comprises the following components in parts by weight:
[0075]
[0076] The second composition comprises the following components in parts by weight:
[0077]
[0078]
[0079] The number-average molecular weight of the water-based polyester resin is 7000; the auxiliary solvent, solvent, catalyst, curing agent, and wetting agent in the first composition are the same as those in the second composition. The hydrophilic component is polyvinyl alcohol 1788 low-viscosity type; the catalyst is toluene-4-sulfonic acid. The curing agent is methyl etherified amino resin. The wetting agent is polyether modified polydimethylsiloxane. The co-solvent is isopropanol; the solvent is water.
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