Sound-insulation board for interior decoration and preparation method thereof

Abstract

This invention discloses a sound-insulation board for interior decoration and a preparation method thereof, belonging to the technical field of building materials. It comprises the following raw materials in parts by weight: 50-170 parts of polystyrene, 8-13 parts of shell powder, 2-5 parts of sepiolite fiber, 1-2 parts of hollow microspheres, 10-12 parts of a flame retardant, 1-3 parts of nano-silica, 2-10 parts of vermiculite powder, 1-5 parts of a foaming agent, 1-5 parts of a coupling agent, 0.1-0.3 parts of calcium stearate, and 0.3-1 part of a stabilizer. The sound-insulation board for interior decoration provided by this invention has high molding quality and excellent comprehensive performance, can meet various needs of interior decoration for sound insulation, flame retardancy, lightweight, etc., and has broad application prospects.