Waterborne epoxy ester-acrylic hybrid resin and preparation method thereof
A technology of acrylic resin and epoxy resin, which is applied in the field of water-based epoxy ester-acrylic resin hybrid resin and its preparation, can solve the problems of high viscosity of resin, difficult process control, high activity of polymerization process, etc., and achieve fast drying speed , reduce the baking temperature and reduce the risk of gelation
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Embodiment 1
[0031] The preparation method of water-based epoxy ester-acrylic resin hybrid resin, it may further comprise the steps:
[0032] (1) Synthesis of mono-fatty acid epoxy ester
[0033] Under the protection of nitrogen, soy-oleic acid, epoxy resin E-20, antioxidant and tetrabutylammonium bromide were added in a four-port reaction vessel with a stirrer, condenser and thermometer, and the temperature was raised to 100°C for insulation ( After the mixture is dissolved, start stirring) for 1 hour, raise the temperature to 110° C. and keep it warm until the acid value of the reactant is less than 2 mgKOH / g, and start to cool down to 80° C. to obtain a mono-fatty acid epoxy ester polymer;
[0034] Wherein the consumption of each raw material used in step (1) is:
[0035]
[0036] (2) Synthesis of intermediate monofatty acid epoxy ester-(meth)acrylate
[0037] Add acrylic acid and tetrabutylammonium bromide to the monofatty acid epoxy ester synthesized in step (1), raise the temper...
Embodiment 2
[0048] The preparation method of water-based epoxy ester-acrylic resin hybrid resin, it may further comprise the steps:
[0049] (1) Synthesis of mono-fatty acid epoxy ester
[0050] Under the protection of nitrogen, soyoleic acid, linolenic acid, epoxy resin E-20, antioxidant, tetrabutylammonium bromide were added to a four-port reaction vessel with stirrer, condenser and thermometer, and the temperature was raised to 100 Insulate at ℃ (start stirring after the mixture is dissolved) for 1 hour, raise the temperature to 110°C and keep the temperature until the acid value of the reactant is less than 2mgKOH / g, then start to cool down to 80°C to obtain a mono-fatty acid epoxy ester polymer;
[0051] Wherein the consumption of each raw material used in step (1) is:
[0052]
[0053] (2) Synthesis of intermediate monofatty acid epoxy ester-(meth)acrylate
[0054] Add methacrylic acid and tetrabutylammonium bromide to the mono-fatty acid epoxy ester synthesized in step (1), ra...
Embodiment 3
[0064] The preparation method of water-based epoxy ester-acrylic resin hybrid resin, it may further comprise the steps:
[0065] (1) Synthesis of mono-fatty acid epoxy ester
[0066] Under nitrogen protection, dehydrated ricinoleic acid, linoleic acid, epoxy resin E-12, antioxidant and tetrabutylammonium bromide are added in the four-port reaction vessel with agitator, condenser and thermometer, Raise the temperature to 100°C and keep it warm (start stirring after the mixture is dissolved) for 1h, raise the temperature to 110°C and keep it warm until the acid value of the reactant is less than 2mgKOH / g, then start to cool down to 80°C to obtain a mono-fatty acid epoxy ester polymer;
[0067] Wherein the consumption of each raw material used in step (1) is:
[0068]
[0069] (2) Synthesis of intermediate monofatty acid epoxy ester-(meth)acrylate
[0070] Add methacrylic acid and tetrabutylammonium bromide to the mono-fatty acid epoxy ester synthesized in step (1), raise th...
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