知搜-全球专利检索

  1. 登录
  2. 注册
发明公开
CN109135261A 一种玻璃棉基复合吸声材料的制备方法 无效 - 撤回

一种玻璃棉基复合吸声材料的制备方法
摘要：
本发明提供了一种玻璃棉基复合吸声材料的制备方法，包括以下步骤：（1）使用聚四氢呋喃二醇、多孔二氧化硅、石墨烯、二苯基甲烷二异氰酸酯和甲苯二异氰酸酯的混合物、二羟甲基丙酸、双二甲氨基乙基醚丙酮、γ‑氨丙基三乙氧基硅烷制备混合物A；（2）使用混合物A、玻璃纤维、硅橡胶、硼纤维、碳纤维、三聚磷酸钠、水溶液、聚对苯乙炔、聚铝硅氧烷、纳米氧化镁、甲基硅油、聚己内酯二元醇、2,4,6‑(二适甲氨甲基)苯酚制得吸声材料。本发明制得的吸声材料具有良好的机械强度和吸声效果，其拉伸强度高达85.6 MPa，弯曲强度高达85.6 MPa，吸声系数高达0.95，因此本发明制得的材料具有广泛的应用前景。
摘要（英）：

The invention provides a preparing method of a glass-wool-based compound sound absorbing material. The method comprises the following steps of 1, utilizing a mixture of polytetrahydrofuran glycol, porous silicon dioxide, graphene, methylenediphenyl diisocyanate and toluene diisocynate, dimethylolpropionic acid, dimethylamino ethyl ether acetone and gamma-aminopropyl triethoxysilane for preparing amixture A; 2, utilizing the mixture A, glass fibers, silicone rubber, boron fibers, carbon fibers, sodium tripolyphosphate, an aqueous solution, polyphenyl acetylene, polyaluminum siloxane, nanometermagnesia, methylsilicone oil, polycaprolactone diol and 2,4,6-(bi-aminomethyl)phenol for preparing the sound absorbing material. The prepared sound absorbing material has good mechanical strength anda good sound absorbing effect, the tensile strength of the material reaches up to 85.6 MPa, the bending strength reaches up to 85.6 MPa, the sound absorbing coefficient reaches up to 0.95, and therefore, the preparing method has a wide application prospect.

0/0