Polypropylene-based nonwoven sound-absorbing material coated with multi-walled carbon nanotube-polyurethane composite emulsion for automotive interior

The present invention relates to a non-woven sound-absorbing material, in particular to a A kind of multi-walled carbon nanotube-polyurethane composite emulsion coated polypropylene-based non-woven sound-absorbing material for automotive interior decoration, the material is made of the following raw materials in parts by weight: polyvinyl chloride 12-15, 325-400 mesh hydroxyapatite 15-20, polymethyl methacrylate 6-8, silane coupling…