Production process of hydroxypropyl methylcellulose (3)
1.Production process of hydroxypropyl methylcellulose (1) 2.Production process of hydroxypropyl methylcellulose (2) 3.Production process of hydroxypropyl methylcellulose (4) 3. The gas phase method (gas-solid method) production process of HPMC Add the pulverized cellulose fine powder into a horizontal reactor with a strong stirring device. Directly add a certain amount of lye, etherifying agent and a
