Special impermeable modified epoxy coating for denitrating device and preparation method thereof
An epoxy coating and modification technology, used in epoxy resin coatings, anti-corrosion coatings, polyurea/polyurethane coatings, etc., can solve the problems of high cost and high cost of pure epoxy coatings, and low cost of modified epoxy coatings. , to achieve the effect of improving environmental stress cracking resistance, preventing precipitation, and good fullness
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Embodiment 1
[0049] This embodiment provides an impermeable modified epoxy coating for a denitration device. The coating includes two components, A and B, and the weight ratio of the A component to the B component is 5:1; The counter includes the following components:
[0050] 45 parts of epoxy resin, 19 parts of 500 mesh graphite flakes, 10 parts of polyazelaic anhydride, 10 parts of precipitated barium sulfate, 1 part of silicon-based polymerizer, 1 part of anti-sag agent, 2 parts of pigments and fillers, 15 parts of modifier additives ;
[0051] The modified additive includes the following components in parts by mass: 25 parts of polyisobutylene, 16 parts of bisphenol F novolac epoxy resin, and 45 parts of hydrocarbon petroleum resin;
[0052] Component B includes the following components in parts by mass:
[0053] 13 parts of curing agent, 42 parts of solvent, 12 parts of accelerator, 20 parts of polyurethane;
[0054] Among them, the solvent is a mixture of paraffin and 200# solven...
Embodiment 2
[0069] This embodiment provides a special coating for a modified epoxy denitration device, the coating includes two components, A and B, and the weight ratio of the A component to the B component is 5.5:1;
[0070] 55 parts of epoxy resin, 20 parts of 500-mesh graphite flakes, 11 parts of polyazelaic anhydride, 12 parts of precipitated barium sulfate, 4 parts of silicon-based polymerizer, 2 parts of anti-sag agent, 4 parts of pigments and fillers, and 17 parts of modification additives;
[0071] The modified additive includes the following components in parts by mass: 28 parts of polyisobutylene, 20 parts of bisphenol F novolac epoxy resin, and 48 parts of hydrocarbon petroleum resin;
[0072] Component B includes the following components in parts by mass:
[0073] 14 parts of curing agent, 45 parts of solvent, 14 parts of accelerator, 25 parts of polyurethane;
[0074] Among them, the solvent is a mixture of paraffin and 200# solvent oil, wherein the mass ratio of paraffin a...
Embodiment 3
[0089] The present embodiment provides a special coating for a modified epoxy denitration device, the coating includes two components, A and B, and the weight ratio of the A component to the B component is 6:1;
[0090] 62 parts of epoxy resin, 28 parts of 500 mesh graphite flakes, 12 parts of polyazelaic anhydride, 15 parts of precipitated barium sulfate, 5 parts of silicon-based polymerization agent, 3 parts of anti-sag agent, 6 parts of pigments and fillers, 21 parts of modification additives ;
[0091] The modified additive includes the following components in parts by mass: 30 parts of polyisobutylene, 25 parts of bisphenol F novolac epoxy resin, and 55 parts of hydrocarbon petroleum resin;
[0092] Component B includes the following components in parts by mass:
[0093] 15 parts of curing agent, 55 parts of solvent, 17 parts of accelerator, 26 parts of polyurethane;
[0094]Among them, the solvent is a mixture of paraffin wax and 200# solvent oil, and the mass ratio of...
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