▎ 摘　　要

NOVELTY - Sound-absorbing coating comprises 10-25 pts. wt. hybrid emulsion and 20-40 pts. wt. polyurethane graphene-silicon dioxide gas gel. USE - The sound-absorbing coating is used in sound absorption and noise reduction, including theatre, venue, marketplace, residence, villa, hotel and other places for good decoration and sound absorption. ADVANTAGE - The sound-absorbing coating has excellent sound-absorbing and noise-reducing function, good antibacterial and mildew-proof effect, high flame-retardant level, does not need additional adding antibacterial agent and flame retardant environmentally-friendly and simple preparation process, and economical. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing the sound-absorbing coating, comprising mixing the hybrid emulsion and polyurethane graphene-silicon dioxide gas gel to obtain the sound-absorbing coating.