What is the difference between HPMC and HEMC?
What is the difference between HPMC and HEMC? Hydroxypropyl methylcellulose (HPMC) and hydroxyethyl methylcellulose (HEMC) are cellulose ethers that are widely used in various industries mainly due to their multifunctional properties. These compounds are derived from cellulose, a natural polymer found in plant cell walls. Chemical structure: HPMC (hydroxypropyl methylcellulose): Hydroxypropyl: HPMC contains hydroxypropyl groups […]