A kind of weather-resistant antibacterial powder coating and preparation method thereof
An antibacterial powder and coating technology, used in powder coatings, polyester coatings, anti-corrosion coatings, etc.
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Embodiment 1
[0034] A weather-resistant antibacterial powder coating, by weight percentage, said coating comprises the following raw materials:
[0035]
[0036] The epoxy-modified acrylic resin is based on 2-ethyl methacrylate, acrylic acid, ethyl acrylate, butyl acrylate, styrene, hydroxypropyl acrylate, and trimethylolpropane triacrylate as monomers. Benzoyl is used as an initiator, bisphenol A epoxy resin is used as a modifier, and a thermosetting epoxy-modified acrylic resin is obtained through polymerization. Wherein, the raw materials for preparing the epoxy-modified acrylic resin include 20-30 parts of ethyl methacrylate, 25-30 parts of acrylic acid, 10-15 parts of ethyl acrylate, 5-10 parts of butyl acrylate, styrene 15-20 parts, 10-15 parts of hydroxypropyl acrylate and 1-3 parts of trimethylolpropane triacrylate, 1-7 parts of benzoyl peroxide, 20-30 parts of bisphenol A type epoxy resin, said Bisphenol A type epoxy resin is epoxy resin E-51.
[0037] The polyester resin is ...
Embodiment 2
[0057] On the basis of embodiment 1, present embodiment 2 is as a preferred embodiment of the present invention, a kind of weather-resistant antibacterial powder coating, and by weight percentage, described coating comprises following raw material:
[0058]
[0059] Wherein, the epoxy-modified acrylic resin consists of 25 parts of ethyl methacrylate, 28 parts of acrylic acid, 13 parts of ethyl acrylate, 8 parts of butyl acrylate, 17 parts of styrene, 12 parts of hydroxypropyl acrylate and three 2 parts of trimethylolpropane acrylate, 4 parts of benzoyl peroxide, and 25 parts of bisphenol A type epoxy resin are obtained through polymerization; It is obtained through melt polycondensation reaction with polyol according to the weight ratio of 30:58:7:2.5;
[0060] In the preparation process of the quaternary phosphonium salt antibacterial agent, the para substituent in the para-substituted toluene is F;
[0061] In the preparation method of the weather-resistant and antibacte...
Embodiment 3
[0069] On the basis of embodiment 2, present embodiment 3 is as a preferred embodiment of the present invention, a kind of weather-resistant antibacterial powder coating, by weight percentage, described powder coating comprises following raw material:
[0070]
[0071]
[0072] Wherein, the epoxy-modified acrylic resin consists of 30 parts of ethyl methacrylate, 30 parts of acrylic acid, 15 parts of ethyl acrylate, 10 parts of butyl acrylate, 20 parts of styrene, 15 parts of hydroxypropyl acrylate and three 3 parts of trimethylolpropane acrylate, 7 parts of benzoyl peroxide, and 30 parts of bisphenol A type epoxy resin are obtained through polymerization; It is obtained through melt polycondensation reaction with polyol according to the weight ratio of 20:65:2.1:3.5;
[0073] In the preparation process of the quaternary phosphonium salt antibacterial agent, the para substituent in the para-substituted toluene is Cl;
[0074] The preparation method of described powder co...
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