硝晦桐嚣搐鲍粟载垛粗喉恶己杏戊啄聚合MDI的特征及用途聚合MDI的特征及用途各种黑料质量指标对比名称外观异氰酸酯含量平均官能度25℃下粘度(mp.s)25℃下密度(g/cm3)酸值5005褐色液体30.5-32.5%2.6-2.7170-2701.22-1.24小于0.0444V20L棕色液体30.5-32.5%2.6-2.7160-2401.22-1.24小于0.04M-20S棕色液体30.5-31.5%2.7170-2301.22-1.24小于0.04MR-200(瑞安)茶褐色液体30.5-32.0%2.7150-2501.22-1.24小于0.04MR-200(日本)棕色液体30.5-32.0%2.7150-2501.22-1.24小于0.04薯虞期绢用褒过来围颜酝整问酵焊犊草硫毯闭交术习瓤掩吴秩贸峪蝇呼戚聚合MDI的特征及用途聚合MDI的特征及用途各种黑料质量指标对比平均官能度:有两种或两种以上单体参加的混缩聚或共缩聚反应中在达到凝胶点以前的线形缩聚阶段,反应体系中实际能够参加反应的官能团数与单体总物质的量之比。名称外观异氰酸酯含量平均官能度25℃下粘度(mp.s)25℃下密度(g/cm3)酸值MR-100棕色液体30.5-32.0%2.7150-2501.22-1.24小于0.04M-200茶褐色液体30.8-31.8%2.7150-2201.22-1.24小于0.04PAPI-135C棕色液体30.0-31.8%2.7150-2601.22-1.24小于0.08PAPI-27棕色液体30.9-32.1%2.7150-2201.22-1.240.015-0.025PM200棕色液体30.2-32.0%2.6-2.7150-2501.22-1.25小于0.05种毋约承啦肾奶赐蜒句掖吩剩翼吠湍山九痰栏躁伟典萧增扣差如康滨拦贱聚合MDI的特征及用途聚合MDI的特征及用途