Hydroxypropyl methyl cellulose (HPMC) is made from refined cotton after being pulverized, and then alkalized with sodium hydroxide (liquid caustic soda) solution, and then monochloromethane + propylene oxide is added for etherification to form crude HPMC , After neutralization (pH adjustment), filter press, drying, crushing and sieving, a pure HPMC product of certain fineness is obtained. The finished product has a slight smell, the smell of methane.
mainly used in bonding mortars, with excellent water retention, high thickening, anti-sagging, increasing open time, improving bonding strength, reducing deformation rate, preventing cracking, etc. Performance, the production cost can be reduced by adjusting the low dosage
Product Name: Hydroxypropyl methyl cellulose/Hypromellose Other Name: hpmc powder Molecular Formula: C3H7O Molecular Weight: 59.08708 Appearance: White Powder Purity: 99% CAS NO.: 9004-65-3 EINECS No.: 618-389-6 Supplier: ZHENYIBIO Hydroxypropyl Methyl Cellulose (HPMC) are water soluble polymers derived from cellulose. They are typically used as thickeners, binders, film formers, and water retention agents. They also function as suspension aids, surfactants, lubricants, protective colloids, and emulsifiers. In addition, solutions of these polymers thermally gel.
Specifications Product name Hydroxy propyl methyl cellulose (HPMC) Content of methoxyl 24.0 - 30.0 Content of hydroxy propyl 9.0 - 12.0 Temperature of gelation 63â?? - 75 â?? Moisture max.5% Sulphated ash (%) â?¤1.5 PH value 5 - 8 Appearance white powder Fitness 80-100 mesh Viscosity 4,000 to 200,000 it can be customized HPMC increased with methoxy content reduce, the gel point water solubility and surface activity also declind, depends on customer's situation.
Hydroxypropyl methylcellulose( HPMC) Advantages: 1. Water soluble and thickening ability: this product is soluble in cold water, and it can form transparent sticky solution. In organic solvent of dissolved: because it contains a certain amount of hydrophobic methyl, this product is soluble in some organic solvent; it is also soluble in water and organic mixed solvent. 2. Hydroxypropyl methyl cellulose (HPMC) salt resistance: because ion and the polyelectrolytein exists in this product, its metal salt or organic electrolyte aqueous solution is stable. 3. Surface activity: HPMC for daily chemical aqueous solution has the surface activity, ensuring its emulsification, protective colloid and relative stability. 4. Low ash content: because ion exist in this product, in preparation process we can use hot water washing for effective refinement, so its ash content is very low. 5. pH stability: HPMC aqueous solution viscosity in the range of pH3.0-11.0 is more stable. 6. Water retention effect: this product is hydrophilic and its solution has high viscosity. 7. Film-forming property: HPMC can generate strong pliable and transparent sheet, which has the good oil resistance to ester performance.
Hydroxypropyl methylcellulose( HPMC) Advantages: 1. Water soluble and thickening ability: this product is soluble in cold water, and it can form transparent sticky solution. In organic solvent of dissolved: because it contains a certain amount of hydrophobic methyl, this product is soluble in some organic solvent; it is also soluble in water and organic mixed solvent. 2. Hydroxypropyl methyl cellulose (HPMC) salt resistance: because ion and the polyelectrolytein exists in this product, its metal salt or organic electrolyte aqueous solution is stable. 3. Surface activity: HPMC for daily chemical aqueous solution has the surface activity, ensuring its emulsification, protective colloid and relative stability. 4. Low ash content: because ion exist in this product, in preparation process we can use hot water washing for effective refinement, so its ash content is very low. 5. pH stability: HPMC aqueous solution viscosity in the range of pH3.0-11.0 is more stable. 6. Water retention effect: this product is hydrophilic and its solution has high viscosity. 7. Film-forming property: HPMC can generate strong pliable and transparent sheet, which has the good oil resistance to ester performance.
Cellulose ethers. HPMC, HEMC(MHEC), HEC, for construction mortars and emulsion coatings, also of detergent and cosmetic grade.
HPMC supplier's product types include hydroxypropyl methylcellulose, HPMC and plant-based substitutes. Provide a variety of concentrations and specifications for private label applications, and also provide after-sales support services. EipponCell produce HPMC, and choose our products according to your concentration and weight of HPMC, food grade or industrial grade. We provide samples for free, contact us for samples, prices and delivery time! You can browse more about HPMC applications, please click here!
HPMC,HEMC,HEC,HPS ect. construction grade, coating and painting grade pharmaceutical and food grade personal care and detergent grade, oil drilling and Petrochemical Catalyst