Eva and bs two-component middle paint and preparation method thereof
A two-component, formula technology, applied in coatings, polyester coatings, fireproof coatings, etc., can solve the problems of medium paint hardness, wear resistance, water resistance, chemical resistance and adhesion to be strengthened, and achieve shortening Effects of dry time, high absorbency, enhanced hardness and abrasion resistance
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Embodiment 1
[0034] Embodiment 1 of the present invention provides a kind of EVA and BS two-component middle paint, and this middle paint is made by mixing component A and component B in a ratio of 2:1,
[0035] In mass percent, the raw material formula of described component A consists of:
[0036] Epoxy resin 60%; ethylene-vinyl acetate copolymer 30%; zinc stearate 2%; zeolite 2%; metakaolin 2%; diatomite dispersion 2%; defoamer 1%; dispersant 1%;
[0037] In mass percent, the raw material formula of the component B consists of:
[0038] 28% polyester resin; 10% butadiene-styrene copolymer; 50% curing agent; 2% stabilizer.
[0039] The fineness of the zeolite and metakaolin is 150 meshes, respectively. The defoamer is phenethyl oleate. The dispersant is a polyacrylate dispersant. The acid value of the polyester resin was 70 mgKOH / g, and the epoxy equivalent was 700 g / eq.
[0040] The butadiene-styrene copolymer is obtained by polymerizing 10% of n-butyllithium, 10% of tetrahydrofura...
Embodiment 2
[0047] Embodiment 2 of the present invention provides a kind of EVA and BS two-component middle paint, and this middle paint is made by mixing component A and component B in a ratio of 2:1,
[0048] In mass percent, the raw material formula of described component A consists of:
[0049] Epoxy resin 44%; ethylene-vinyl acetate copolymer 30%; zinc stearate 5%; zeolite 5%; metakaolin 5%; diatomite dispersion 5%; defoamer 3%; dispersant 3%;
[0050] In mass percent, the raw material formula of the component B consists of:
[0051] 30% polyester resin; 20% butadiene-styrene copolymer; 42% curing agent; 8% stabilizer.
[0052] The fineness of the zeolite and metakaolin is 180 meshes, respectively. The defoamer is polydimethylsiloxane. The dispersant is a polyoxyethylene ether type dispersant. The acid value of the polyester resin was 80 mgKOH / g, and the epoxy equivalent was 750 g / eq.
[0053] The butadiene-styrene copolymer is obtained by polymerizing 15% of n-butyllithium, 15%...
Embodiment 3
[0056] Embodiment 3 of the present invention provides a kind of EVA and BS two-component middle paint, and this middle paint is made by mixing component A and component B in a ratio of 2:1,
[0057] In mass percent, the raw material formula of described component A consists of:
[0058] Epoxy resin 40%; ethylene-vinyl acetate copolymer 20%; zinc stearate 7%; zeolite 8%; metakaolin 7%; diatomite dispersion 7%; defoamer 5%; dispersant 4%; Color nano resin powder 2%;
[0059] In mass percent, the raw material formula of the component B consists of:
[0060] 35% polyester resin; 15% butadiene-styrene copolymer; 45% curing agent; 5% stabilizer.
[0061] The fineness of the zeolite and metakaolin is 200 meshes, respectively.
[0062] The defoamer is polyoxyethylene polyoxypropylene pentaerythritol ether. The dispersant is a silicate dispersant. The acid value of the polyester resin was 85 mgKOH / g, and the epoxy equivalent was 830 g / eq.
[0063] The butadiene-styrene copolymer ...
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Abstract
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