Preparation method of waterborne acrylic acid modified high chlorinated polyethylene anticorrosion coating
A high-chlorinated polyethylene and water-based acrylic technology, applied in anti-corrosion coatings, coatings, etc., can solve the problems of brittle coating films, poor adhesion and stability, and achieve the effects of extreme weather resistance, easy operation, and low pollution
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Embodiment 1
[0021] Prepare raw materials according to the following parts by mass: 100 parts of high chlorinated polyethylene resin; 15 parts of butyl acrylate; 20 parts of methacrylic acid; 10 parts of styrene; 10 parts of fluororesin; The agent is 2 parts of curing agent, defoamer, thickener and leveling agent; the mixed solvent is 30 parts of mixed solvent of toluene, methyl formate and butanone;
[0022] Mix butyl acrylate, methacrylic acid and styrene, add a small amount of benzoyl peroxide, stir and heat to 110°C, reflux for 3 hours, cool down to 75°C, distill under reduced pressure to remove excess solvent and unreacted monomer to obtain water-based acrylic acid lotion;
[0023] Dissolve high-chlorinated polyethylene resin in mixed solvent, add water-based acrylic emulsion, stir and mix evenly, heat up to 50°C, add fluororesin, nano-titanium dioxide, talcum powder and additives, stir at high speed for 4 hours, and obtain the anti-corrosion coating.
Embodiment 2
[0025] Prepare raw materials according to the following parts by mass: 100 parts of high chlorinated polyethylene resin; 10 parts of butyl acrylate; 15 parts of methacrylic acid; 6 parts of styrene; 5 parts of fluororesin; 5 parts of nano titanium dioxide; The agent is 1 part of curing agent, defoamer, thickener and leveling agent; the mixed solvent is 40 parts of mixed solvent of butylbenzene, ethyl formate and pentanone;
[0026] Mix butyl acrylate, methacrylic acid and styrene, add a small amount of benzoyl peroxide, stir and heat to 110°C, reflux for 3 hours, cool down to 75°C, distill under reduced pressure to remove excess solvent and unreacted monomer to obtain water-based acrylic acid lotion;
[0027] Dissolve high-chlorinated polyethylene resin in mixed solvent, add water-based acrylic emulsion, stir and mix evenly, heat up to 50°C, add fluororesin, nano-titanium dioxide, talcum powder and additives, stir at high speed for 4 hours, and obtain the anti-corrosion coatin...
Embodiment 3
[0029] Raw materials are prepared in the following parts by mass: 100 parts of high chlorinated polyethylene resin; 12 parts of butyl acrylate; 18 parts of methacrylic acid; 8 parts of styrene; 8 parts of fluororesin; 12 parts of nano titanium dioxide; The agent is 3 parts of curing agent, defoamer, thickener and leveling agent; the mixed solvent is 35 parts of mixed solvent of xylene, ethyl acetate and acetone;
[0030] Mix butyl acrylate, methacrylic acid and styrene, add a small amount of benzoyl peroxide, stir and heat to 110°C, reflux for 3 hours, cool down to 75°C, distill under reduced pressure to remove excess solvent and unreacted monomer to obtain water-based acrylic acid lotion;
[0031] Dissolve high-chlorinated polyethylene resin in mixed solvent, add water-based acrylic emulsion, stir and mix evenly, heat up to 50°C, add fluororesin, nano-titanium dioxide, talcum powder and additives, stir at high speed for 4 hours, and obtain the anti-corrosion coating.
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