聚氨酯高效吸声材料的制备  

Preparation of Polyurethane Efficient Sound Absorbing Material

作　　者：张晓谦 田达 鲁琳琳 陈琦 邢文国[1,2] 冯维春 Zhang Xiaoqian;Tian Da;Lu Linlin;Chen Qi;Xing Wenguo;Feng Weichun(Shandong Xingqiang Chemical Industry Technology Research Institute Co.,Ltd.,Dongying 257091,China;Qingdao University of Science&Technology,Chemical Technology Academy of Shandong,Jinan 250014,China)

机构地区：[1]山东兴强化工产业技术研究院有限公司,山东东营257091 [2]青岛科技大学山东化工研究院,山东济南250014

出　　处：《山东化工》2021年第3期1-2,6,共3页Shandong Chemical Industry

基　　金：泰山学者建设工程基金项目(ts20130918)。

摘　　要：针对噪声污染难题,选择聚氨酯多孔材料为突破点,开展了植物油酸基聚酯多元醇、聚氨酯泡孔结构和吸声性能的研究,通过调控醇酸配比、催化剂用量以及聚合温度,制备出相对分子质量1000~3000的聚酯多元醇,其酸值<1 mgKOH/g,羟值50~60 mgKOH/g,开发吸声降噪聚氨酯多孔材料关键技术,制备了高效聚氨酯多孔材料,孔径在600~800μm范围,开孔率皆≥85%;高频吸声系数≥0.95,中低频吸声系数≥0.65,解决了目前国内外开发的多孔吸声材料中低频吸声效果差的难题。In this paper,based on the problem of noise pollution,the choice of polyurethane porous material as the breakthrough point,extensive vegetable oleic acid polyester polyol,polyurethane cell structure and sound absorption performance of the study,by adjusting the alkyd ratio,the amount of catalyst and polymerization temperature,Molecular weight of 1000 to 3000 polyester polyols,the acid value of<1 mgKOH/g,hydroxyl value of 50~60 mgKOH/g,the development of noise absorption polyurethane porous material key technology to prepare high-performance polyurethane porous material,pore size in the range of 600~800μm,The aperture rate is≥85%;high-frequency sound absorption coefficient≥0.95,the low-frequency sound absorption coefficient≥0.65;to solve the current development of porous sound-absorbing material in the low-frequency sound absorption effect of poor problems.

关 键 词：吸声材料 聚氨酯 制备 多孔 

分 类 号：TQ323.8[化学工程—合成树脂塑料工业]