Sound absorption and insulation cotton and preparation process thereof

The invention relates to the technical field of air conditioners, in particular to sound-absorbing and sound-insulating cotton and a preparation process thereof.The sound-absorbing and sound-insulating cotton comprises a felt layer, and the felt layer comprises, by weight, 80%-98% of felt materials; 1%-12% of a porous material; 0.1%-8% of an adhesive; the felt material, the porous material and the adhesive are blended. The sound absorption and insulation cotton can effectively absorb noise with the frequency lower than 1000 Hz. The preparation process of the sound absorption and insulation cotton has the advantages of easy operation and low cost, and is suitable for large-scale production and application. 本发明涉及空调技术领域，具体涉及一种吸声隔音棉及其制备工艺，吸声隔音棉包括毛毡层，所述毛毡层包括以下原料，毛毡材料80％～98％；多孔材料1％～12％；粘合剂0.1％～8％；所述毛毡材料、所述多孔材料和所述粘合剂三者共混掺和。该吸声隔音棉能有效地吸收频率低于1000Hz的噪音。吸声隔音棉的制备工艺具有容易操作，成本低的优点，适合大规模生产应用。