| 摘要 |
A method of forming a matte topcoat for rotor blades, propellers and other articles used to protect a leading edge substrate against high speed liquid or solid particle erosion including premixing a concentrate of flatting agent dispersed in a solvent, reducing the moisture content using molecular sieves, blending the concentrate of flatting agent into a polyurethane or polyurea composition and forming a protective coating comprising a matte layer on the leading edge substrate. |
