Polyanionic cellulose, abbreviated as PAC, is a high-quality water-soluble cellulose derivative. This product is a white or light yellow free-flowing powder that is odorless, tasteless, non-toxic, and non-fermentable. It exhibits excellent thermal stability and high salt resistance. Polyanionic cellulose readily dissolves in water to form a viscous solution, and it is used to increase the …
In 2024, China’s PVA exports of 212,000 tons, an increase of 15.2%, becoming the highest level in history. Based on the price advantage of domestic PVA, the export orders of some main devices at the supply end of PVA are abundant, the atmosphere of export negotiation is good, and the export volume remains high. China’s …
The Exports Of PVA Reached A Record High In 2024 Read More »
Sinopec SVW Factory’s 50,000 tons/year special grade of PVA (polyvinyl alcohol) resin project started, after the completion of the company’s PVA production capacity will be increased from 160,000 tons/year to 210,000 tons/year, special PVA production capacity reached the first domestic, the world’s leading level. PVA is one of the very few vinyl polymers with both …
Sinopec SVW Factory Special Grade Of PVA Resin Project Started Read More »
Superior Mechanical And Physical Properties: HSHM PVA fiber has high tensile strength and modulus, low elongation. The tensile strength is not inferior much to steel bar and elastic modulus can match with concrete’s. It can improve the early strength of concrete, but also the tensile strength of concrete in the late, can greatly save construction …
Pharmaceutical excipients are excipients and adjuncts used in the production of drugs and prescription, and are an important part of pharmaceutical preparations. As a natural polymer derived material, cellulose ether is biodegradable, non-toxic and inexpensive. Cellulose ether, such as sodium carboxymethyl cellulose, methyl cellulose, hydroxypropyl methyl cellulose, hydroxypropyl cellulose, hydroxyethyl cellulose and ethyl cellulose, has …
Potassium formate is an organic salt with the chemical formula HCOOK. It is a white crystalline solid that is highly hygroscopic, reducible, and can react with strong oxidants. It is easily soluble in water and is non-toxic and non-corrosive. Specification Item Specification Appearance White Crystal Flake Potassium Formate, % ≥96 KCL as Cl– , % ≤0.5 …
Sodium formate (chemical formula: HCOONa) is the sodium salt of formic acid. It is the simplest organic carboxylate, white crystal or powder, with a slight smell of formic acid, slightly deliquescent and hygroscopic that is often used in various industrial processes. Specification Item Specification Appearance White Powder White Powder White Powder Purity %≥ 92 95 …
There’s a production method for PVA based on carboxyl group modification as following steps: S1: Mix vinyl acetate with the second copolymer and add solvent to get the raw material mixture S2: The initial polymerization reaction is carried out in the first polymerization kettle S3: The third copolymer and initiator are gradually added to the …
A Preparation Method For PVA Based On Carboxyl Group Modification Read More »
Wet mixed mortar is cement, fine aggregate, additives and water, with various components determined according to performance. After the mixture is measured in a certain proportion at the mixing station, the mixture is transported to the place of use by mixing truck in a special container for storage, and the wet mixture is used for …
The Role Of HydroxyPropyl Methyl Cellulose (HPMC) In Wet Mixed Mortar Read More »
Sinopec successfully produced new grade PVA product PVA 088-40, to achieve import substitution of this grade product in the downstream production field, and comprehensively enhance brand influence and product competitiveness. The new grade of polyvinyl alcohol is mainly used for the production of 3D printing materials, which has a large domestic demand, but is highly …
Sinopec Has Successfully Developed A New Grade Of PVA Product Read More »
