Material for quickly repairing marine concrete in service and construction technology thereof
A technology of marine concrete and repair materials, which is applied in sea area engineering, water conservancy engineering, polyurea/polyurethane coatings, etc., can solve problems such as endangering human health, requiring high construction environment, polluting the environment, etc., and achieves the effect of prolonging the service life
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[0022] Example 1: (1) First, use an electric steel brush to clean the marine organisms on the damaged concrete surface and the flaking products after corrosion, and then use a high-pressure water gun to rinse off all the residues and salt on the surface of the substrate, so that the substrate is completely present The concrete solid structure is produced; (2) The cleaned concrete substrate is processed. The substrate treatment system includes: primer, sealing putty, and repair putty. The primer is an organic solution of matching primer resin, and the matching putty (sealing putty, repair putty) is composed of primer resin and inorganic materials. Primer is a prepolymer (ie primer resin) formed by the reaction of isocyanate and hydroxyl compound, and then diluted with organic solvent; sealing putty is a mixture of primer resin and inorganic material, repair putty is made of primer A mixture of resin and inorganic materials. (3) Take 53.7 parts of MDI-100 and 46.3 parts of 220 p...
Example Embodiment
[0023] Example 2: (1) The marine organisms on the surface of the damaged concrete and the flaking products after corrosion are first polished, and then the surface of the substrate is cleaned with a detergent to reduce the salt concentration on the surface of the damaged concrete, so that the salt on the surface of the concrete substrate The concentration returns to the normal value; (2) Treat the cleaned concrete substrate, the substrate treatment system includes: primer, sealing putty, repair putty. The primer is an organic solution of matching primer resin, and the matching putty (sealing putty, repair putty) is composed of primer resin and inorganic materials. Primer is a prepolymer (ie primer resin) formed by the reaction of isocyanate and hydroxyl compound, and then diluted with organic solvent; sealing putty is a mixture of primer resin and inorganic material, repair putty is made of primer A mixture of resin and inorganic materials. (3) Put 55.4 parts of 143L and 44.6...
Example Embodiment
[0024] Example 3: (1) First, use a mechanical cleaning system to treat the marine organisms on the damaged concrete surface and the flaking products after corrosion, and then use a high-pressure water gun to rinse off all residues on the surface of the substrate, so that the substrate completely presents a concrete entity The structure also reduces the salt concentration on the surface of the substrate; (2) Treat the cleaned concrete substrate. The substrate treatment system includes: primer, sealing putty, and repair putty. The primer is an organic solution of matching primer resin, and the matching putty (sealing putty, repair putty) is composed of primer resin and inorganic materials. Primer is a prepolymer (ie primer resin) formed by the reaction of isocyanate and hydroxyl compound, and then diluted with organic solvent; sealing putty is a mixture of primer resin and inorganic material, repair putty is made of primer A mixture of resin and inorganic materials. (3) 27 parts...
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