Sound absorption material prepared by recycling waste tire rubber and preparation method of sound absorption material

• Main Authors: NI DONG, YUAN MINMIN, WEI XIANWEI, SHANG XIAODONG, HUANG SHUFANG
• Format: Patent
• Language: Chinese; English
• Published: 22.11.2022
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; GENERAL PROCESSES OF COMPOUNDING; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; WORKING-UP

The invention provides a sound-absorbing material prepared by recycling waste tire rubber and a preparation method thereof, and the sound-absorbing material is at least prepared from the following raw materials: waste tire rubber particles with the particle size range of 3mm-7mm; the particle size of the rubber and plastic material ranges from 1 mm to 3 mm; the mass ratio of the rubber and plastic material to the waste tire rubber particles is 1.5-9; and the addition amount of the binder accounts for 3-4wt% of the total mass of the waste tire rubber particles and the rubber and plastic material. The sound absorption material prepared by the preparation method disclosed by the invention realizes recycling of the waste tires, has both sound absorption performance and durability, and has good flame retardant property. 本发明提供了一种回收利用废旧轮胎橡胶的吸声材料及其制备方法，所述吸声材料至少由以下原料制成：废旧轮胎橡胶颗粒，粒径范围为3mm～7mm；橡塑材料，粒径范围为1mm～3mm；所述橡塑材料与废旧轮胎橡胶颗粒的质量比为1.5-9；粘结剂，添加量占废旧轮胎橡胶颗粒和橡塑材料总质量的3～4wt％。本发明制备得到的所述吸声材料实现了废旧轮胎的再利用，通知兼具吸声性能与耐久性，且具有良好的阻燃性能。