Weather-resistant epoxy powder coating as well as preparation method and application thereof
The invention belongs to the technical field of coatings, and particularly relates to a weather-resistant epoxy powder coating as well as a preparation method and application thereof. The weather-resistant epoxy powder coating provided by the invention is prepared from the following components in pa...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention belongs to the technical field of coatings, and particularly relates to a weather-resistant epoxy powder coating as well as a preparation method and application thereof. The weather-resistant epoxy powder coating provided by the invention is prepared from the following components in parts by mass: 10 to 40 parts of hydrogenated bisphenol A epoxy resin, 10 to 40 parts of alicyclic epoxy resin, 3 to 10 parts of modified imidazoline curing agent, 0.5 to 1.5 parts of flatting agent, 0.5 to 1.5 parts of 701B, 0.5 to 1 part of benzoin, 0.5 to 1 part of wax powder, 10 to 40 parts of filler, 2 to 5 parts of pigment, 0.1 to 2 parts of ultraviolet absorbent and 0.1 to 2 parts of antioxidant, the modified imidazoline curing agent has a structure as shown in a formula 1. According to the weather-resistant epoxy powder coating, the weather resistance of the coating is improved from the components of the coating and the curing process, and the weather-resistant epoxy powder coating provided by the invention h |
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