Internal anti-corrosion method of cement pipe, anti-corrosion coating and preparation method thereof
A technology for anti-corrosion coatings and anti-corrosion coating layers, applied in anti-corrosion coatings, epoxy resin coatings, coatings, etc., can solve the problems of no obvious protective effect against oil erosion, poor adhesion of concrete pipes, easy leaching, etc., and achieve a good surface Protective effect, convenient steps, excellent performance effect
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Embodiment 1
[0040] In parts by mass: 30 parts of epoxy resin, 5 parts of reactive diluent, 10 parts of titanium dioxide, 3 parts of barium sulfate, 5 parts of red iron oxide, 0.5 parts of nano-zinc oxide, 0.5 parts of additives, 20 parts of curing agent and 15 parts of Parts of non-reactive diluent, weigh appropriate amount of raw materials for each component;
[0041] Among them, the epoxy resin is: E-51 bisphenol A epoxy resin, the reactive diluent is: allyl glycidyl ether; the additives are: wetting and dispersing agent AT-203, leveling agent BYK-354 and defoamer Silicone defoamer, wherein the mass ratio of wetting dispersant, leveling agent and defoamer is 1:1:1; the curing agent is: cashew nut shell epoxy curing agent; the non-reactive diluent is: xylene A mixed solution with petroleum ether, wherein the volume ratio of xylene to petroleum ether is 1:2.
[0042] Then, prepare the anticorrosion coating according to the following steps:
[0043] (1) At room temperature, add epoxy res...
Embodiment 2
[0048] According to the mass fraction: 50 parts of bisphenol A epoxy resin, 10 parts of reactive diluent, 15 parts of titanium dioxide, 8 parts of barium sulfate, 15 parts of red iron oxide, 5 parts of nano-zinc oxide, 1 part of auxiliary agent, 30 parts of curing agent And 25 parts of non-reactive diluents, weigh appropriate amount of raw materials of each component respectively;
[0049] Among them, the epoxy resin is: E-44 epoxy resin; the reactive diluent is: butyl glycidyl ether; the additives are: wetting and dispersing agent AT-203, leveling agent BYK-354 and defoaming agent silicone defoaming Among them, the mass ratio of wetting and dispersing agent, leveling agent and defoaming agent is 1:2:1; the curing agent is: polyamide curing agent; the non-reactive diluent is: mixed solution of xylene and petroleum ether , wherein the volume ratio of xylene to petroleum ether in milliliters is 1:1.
[0050] Then, prepare the anticorrosion coating according to the following ste...
Embodiment 3
[0056] In parts by mass: 40 parts of epoxy resin, 8 parts of reactive diluent, 12 parts of titanium dioxide, 6 parts of barium sulfate, 10 parts of red iron oxide, 3 parts of nano-zinc oxide, 0.8 parts of auxiliary agent, 25 parts of curing agent and 20 parts of Parts of non-reactive diluent, weigh an appropriate amount of each raw material component;
[0057] Among them, the epoxy resin is E-42 bisphenol A epoxy resin; the reactive diluent is: dimethyl glycidyl ether; the additives are: wetting and dispersing agent AT-203, leveling agent BYK-354 and defoamer organic Silicon defoamer, wherein, the mass ratio of wetting dispersant, leveling agent and defoamer is 1:2:2; the curing agent is: cashew nut shell epoxy curing agent; the non-reactive diluent is: xylene and A mixed solution of petroleum ether, wherein the volume ratio of xylene to petroleum ether in milliliters is 2:3.
[0058] Then, according to the method described in Example 2, the anticorrosion coating of Example 3...
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