Rigid polyurethane foam insulation material with fireproof and anticorrosion function and preparation method thereof
A foam insulation material, rigid polyurethane technology, applied in building insulation materials, anti-corrosion coatings, fire-resistant coatings, etc., can solve the problems of poor insulation, fire resistance, flame resistance and other problems, and achieve long flame resistance time, flame retardant permeability, coating thin layer effect
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[0010] A rigid polyurethane foam insulation material with fireproof and anticorrosion function, 20-30 parts of modified high-chlorinated polyethylene is melted into a 30% solution under high-speed stirring, and 10-15 parts of acrylic resin and epoxy resin are mixed : Add 4-5 parts, add 1-2 parts of organic expansive soil under low-speed stirring, and stir for about ten minutes; then add 2-5 parts of melamine, 6-10 parts of pentaerythritol, 6-10 parts of zinc aluminate, 13 - 15 parts of ammonium polyphosphate, 2-6 parts of chlorinated paraffin, 2-6 parts of titanium dioxide, 4-8 parts of flame retardant, etc., after stirring for 30 minutes, send it to the grinder for grinding, and stop grinding after the detection fineness reaches 90μm; Add 1-2 parts of defoamer under stirring, and add all the remaining 10-15 parts of solvent and stir evenly. Apply the prepared fire-proof intermediate to the base material that has been sprayed with a penetrating primer on the rigid polyurethane...
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