| abstract |
The invention provides a sprayable damping paint for ships and a preparation method thereof, belonging to the technical field of special functional materials, and is a damping restraint structure. Prepolymers synthesized with polyols; component B: chain extenders, polyols, damping modifiers, damping pigments and fillers, dispersants, defoamers, substrate wetting agents, catalysts, adhesion promoters, de Water agent, hollow microbeads; the constraining layer is a two-component solvent-free epoxy resin coating, including component A: liquid epoxy resin, reactive diluent, dispersant, defoamer, liquid flame retardant, thixotropic agent, Body filler, hollow microbeads; B component: modified amine curing agent, defoamer, thixotropic agent, benzyl alcohol, hollow microbeads. The coating of the invention can be sprayed and constructed, has low areal density, high composite loss factor, loss factor ≥ 0.15 at temperature-10°C to 50°C, excellent flame retardant performance, and excellent sound insulation, heat insulation, anticorrosion and other properties. |