Development of Cellulose ether
Hydroxypropyl methyl Cellulose (HPMC) is a kind of high-tech fine chemical product that is in short domestic supply and a variety with the widest application and the best performance of all the kinds of celluloses. Since this product has excellent thickening, emulsifying, protecting colloid, retaining moisture, and other properties, it is widely used in the […]
How to make HPMC
1.Get the purified cotton cellulose disposed in alkaline liquor at 35-40℃ for half an hour, then squeezed and smashed. 2. At the temperature of 35℃, aging treatment is properly carried out in order to make the average degree of polymerization of alkaline fiber obtained within the required range. Put the alkaline fiber into etherification kettle […]
What affects the viscosity of HPMC?
As you know, there are so many different types of HPMC on the market, and the viscosity could be from 400mPa.s to 200,000mPa.s, but there are two things that affect the viscosity, and they are the size of the molecular weight, and the temperature. 1. The size of the molecular weight. The larger the molecular […]
How to store HPMC?
Because it’s hygroscopic, so the HPMC should be packed in double bags, with an inner layer of polyethylene film bag and outer layer of the coated woven bag, and keep the product away from moisture and water, don’t place together with other chemicals. If one bag can’t be used up at once, please make sure […]
Is HPMC safe?
Actually, HPMS is safe and non-toxic, and it can be used as food additives. HydroxyPropyl MethylCellulose has no calory and no stimulation to skin and mucosa. HydroxyPropyl MethylCellulose is generally recognized as safe (FDA1985) and the acceptable daily intake (ADI) is 25mg/kg (FAO/WHO 1985). But in operation, we’d better wear protective equipment. Please note that […]
what are the raw materials of HPMC?
Actually, the main raw material of HPMC is refined cotton, and the others are methyl chloride and propylene oxide and caustic soda flakes, acids, toluene, and isopropanol. The picture below is the refined cotton This picture below is the tank to hold the liquids.
Application of HPMC
Hydroxypropyl methyl cellulose(HPMC) is a kind of white or slightly yellowish powder, odorless, tasteless, and non-toxic. The product can be dissolved in cold water to form a transparent viscous solution. The aqueous solution of this product has surface activity so that it has emulsification, protective colloids and relative stability. PH Stability: the aqueous solution viscosity […]
Good water retention HPMC
In putty, the main roles of celluloses are water retention, adhesion, lubrication, and so on. Hydroxypropyl MethylCellulose has high water-holding performance, surface opacity, and improves uniformity. This helps to avoid crusting and off-powder phenomena, improve resistance to shrinkage, cracking, and vertical flow, and to improve the work efficiency since the painting job is comfortable and […]
HPMC manufacturer pictures
Shijiazhuang Shangdun Cellulose Co., Ltd. is a HPMC factory located in Jinzhou City, Hebei Province, China, our HPMC could be used in almost all kinds of building materials such as tile adhesive, wall putty, dry mix mortar, cement mortar, skim coat, EIFS, detergent and so on, so if you need our HPMC, just feel free […]
Starch ether
What is Starch ether Starch is one of the most prolific natural polymers and is composed of amylose and amylopectin. And starch ether is made from starch by chemically modified. Because potato starch is one of the high purity starch, so it’s the best choice for building, and the molecular weight of starch and the […]