The difference between hydroxypropyl methyl cellulose and hydroxyethyl cellulose
The difference between hydroxypropyl methyl cellulose and hydroxyethyl cellulose
Jan 12, 2024
Hydroxypropyl methyl cellulose: a white or white fiber like powder or particle, belonging to various non-ionic types in cellulose mixtures. This product is a semi synthetic, non active viscoelastic polymer.
Hydroxyethyl cellulose is a white or yellow, odorless, non-toxic fiber or solid powder, mainly made by etherification of alkaline cellulose and ethylene oxide, which is a non ionic soluble cellulose ether.
1. Different uses
In the paint industry, hydroxypropyl methyl cellulose has good solubility as a thickener, dispersant, and stabilizer in water or organic solvents. Polyvinyl chloride, as a paint remover, is widely used in suspension polymerization to prepare polyvinyl chloride in industries such as leather, paper products, fruit and vegetable preservation, and textiles.
Hydroxypropyl methyl cellulose: almost insoluble in anhydrous ethanol, ether, and acetone; Soluble in transparent or cloudy colloidal solutions in cold water, widely used in industries such as coatings, inks, fibers, dyeing, papermaking, cosmetics, pesticides, mineral processing, petroleum recovery, and pharmaceuticals.
2. Different solubility
Hydroxypropyl methyl cellulose: almost insoluble in anhydrous ethanol, ether, and acetone; Dissolve in transparent or slightly turbid colloidal solutions in cold water.
Hydroxypropyl methyl cellulose is a type of non-ionic cellulose mixed ether. It is a semi synthetic, inactive, viscoelastic polymer commonly used as a lubricant in ophthalmology, or as an excipient or shaping agent in oral medicine. In the textile industry, hydroxypropyl methyl cellulose is used as a thickener, dispersant, binder, shaping agent, oil resistant coating, filler, emulsifier, and stabilizer. Hydroxypropyl methyl cellulose is also widely used in industries such as synthetic resins, petrochemicals, ceramics, papermaking, leather, pharmaceuticals, food, and cosmetics.