Modified polyurethane asphalt corrosion-resistant coating
An anti-corrosion coating and polyurethane technology, applied in polyurea/polyurethane coatings, anti-corrosion coatings, asphalt coatings, etc., can solve the problems of time-consuming, labor-intensive, short-lived moisture-permeable coatings, and high labor intensity. UV resistance, long life effect
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[0015] Example 1
[0016] 1) Preparation of component A: In parts by weight, take 29 parts of PM-200 polymethyl polyphenyl isocyanate, 9.5 parts of IPDI, 7 parts of acrylic resin BS962, 8 parts of polyether 3031K; 2.5 parts of polyether 450, 6.5 parts of dioctyl ester, 5.5 parts of epoxy resin 6101, 0.0015 parts of phosphoric acid, 33.5 parts of solvent S1000 # , In the reactor, react at 40-42°C for half an hour, then heat up to 80-82°C, keep it warm for two hours, and cool down
[0017] 2) Preparation of component B: In parts by weight, take 26 parts petroleum pitch, 33 parts coal tar pitch, 10.5 parts cyclohexanone, 10 parts toluene, 8 parts solvent S1000 # , 5.5 parts of epoxy resin 618, kept in the reactor at 135~140℃ for two hours, and cooled to room temperature; then add 13 parts of aluminum tripolyphosphate, 6.5 parts of strontium chromate, 13 parts of mica under 1250 mesh Powder, 11 parts of glass phosphor flakes under a 325 mesh sieve, ground and dispersed.
[0018] 3) Blen...
Example Embodiment
[0019] Example 2
[0020] 1) Preparation of component A: In parts by weight, take 28 parts of PM-200 polymethyl polyphenyl isocyanate, 9 parts of IPDI, 6 parts of acrylic resin BS962, 7 parts of polyether 3031K; 2 parts of polyether 450, 6 parts of dioctyl ester, 5 parts of epoxy resin 6101, 0.001 parts of phosphoric acid, 31 parts of industrial xylene, in the reactor, react at 40~42℃ for half an hour, then heat up to 80~82℃, keep warm for two hours, and cool down ;
[0021] 2) Preparation of component B: In parts by weight, take 25 parts of petroleum pitch, 32 parts of coal tar pitch, 10 parts of cyclohexanone, 9 parts of toluene, 7 parts of industrial xylene, 5 parts of epoxy resin 618, in the reaction In the kettle, keep the temperature at 135~140℃ for two hours, then cool to room temperature; then add 10 parts of aluminum tripolyphosphate, 5 parts of strontium chromate, 10 parts of mica powder under 1250 mesh sieve, 10 parts of glass under 325 mesh sieve Phosphorus flakes, gr...
Example Embodiment
[0023] Example 3
[0024] 1) Preparation of component A: In parts by weight, take 30 parts PM-200 polymethyl polyphenyl isocyanate, 10 parts IPDI, 8 parts acrylic resin BS962, 9 parts polyether 3031K, 3 parts polyether 450, 7 parts dioctyl ester, 6 parts epoxy resin 6101, 0.002 parts phosphoric acid, 36 parts solvent S1000 # , In the reactor, react at 40-42°C for half an hour, then heat up to 80-82°C, keep it warm for two hours, and cool down;
[0025] 2) Preparation of component B: In parts by weight, take 27 parts of petroleum pitch, 34 parts of coal tar pitch, 11 parts of cyclohexanone, 10.5 parts of toluene, 9 parts of solvent S1000#, 6 parts of epoxy resin 618, in the reaction In the kettle, keep the temperature at 135~140℃ for two hours, then cool down to room temperature; then add 15 parts of aluminum tripolyphosphate, 8 parts of strontium chromate, 15 parts of mica powder under 1250 mesh sieve, 12 parts of glass under 325 mesh sieve Phosphorus flakes, grinding and dispersi...
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