Waterborne resin antifogging coating special for films and antifogging film
An anti-fog coating and water-based resin technology, used in polyester coatings, coatings, other chemical processes, etc., can solve problems such as high price, affecting surface smoothness and uniformity, swelling and foaming, etc. Good film hardness and flexibility, durable anti-fog effect
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Embodiment 1
[0048] A special water-based resin anti-fog coating for film, the coating comprises a first composition and a second composition;
[0049] Wherein the first composition includes the following components by weight:
[0050]
[0051] The second composition includes the following components in parts by weight:
[0052]
[0053] The number-average molecular weight of the water-based polyester resin is 7000; the cosolvent, solvent, catalyst, curing agent and wetting agent in the first composition are respectively 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. Described cosolvent is isopropanol; Described solvent is deionized water.
Embodiment 2
[0055] A special water-based resin anti-fog coating for film, the coating comprises a first composition and a second composition;
[0056] Wherein the first composition includes the following components by weight:
[0057]
[0058]
[0059] The second composition includes the following components in parts by weight:
[0060]
[0061] The number-average molecular weight of the water-based polyester resin is 7000; the cosolvent, solvent, catalyst, curing agent and wetting agent in the first composition are respectively 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. Described cosolvent is isopropanol; Described solvent is water.
Embodiment 3
[0063] A special water-based resin anti-fog coating for film, the coating comprises a first composition and a second composition;
[0064] Wherein the first composition includes the following components by weight:
[0065]
[0066] The second composition includes the following components in parts by weight:
[0067]
[0068]
[0069] The number-average molecular weight of the water-based polyester resin is 7000; the cosolvent, solvent, catalyst, curing agent and wetting agent in the first composition are respectively 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. Described cosolvent is isopropanol; Described solvent is water.
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