简述了目前生产高黏度聚合MDI（多亚甲基多苯基多异氰酸酯）的3种生产工艺,为解决现有工艺中存在的填料污染、纯MDI质量差等问题,文中......

Pharmaceutical oil is obtained from peanut oil by wiped film short path distiller(SPD).The concentration ofeffective uns......