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Production method of Polyvinyl Alcohol Fiber The average molecular weight of polyvinyl alcohol, the raw material used in Polyvinyl Alcohol Fiber, is 60,000 to 150,000, with a thermal decomposition temperature of 200 to 220℃ and a melting point of 225 to 230℃. Polyvinyl alcohol fiber can be produced by wet spinning and dry spinning. The heat-treated Polyvinyl Alcohol Fiber can be acetalized to polyvinyl alcohol formaldehyde fiber. The process of acetalization is the process of washing the tow to...
Introduction of the product Polyvinyl Alcohol (PVA) is made from vinyl acetate by polymerization and alcoholysis, it is a white, stable, non-toxic water-soluble polymer, powder, flake or flocculent solid. Polyvinyl alcohol contains many alcohol groups, polar, and can form hydrogen bonds with water, so it can be soluble in polar water; also soluble in hot hydroxyl-containing solvents such as glycerol, phenol, etc., insoluble in methanol, benzene, acetone, gasoline and other general organic...
Product Information Physical and Chemical Properties of Methanol Physical Properties 1. Properties: colorless transparent liquid with irritating odor. 2. Melting point (℃): -97.8 3. Boiling point (℃): 64.7 4. Relative density (water=1): 0.792 5. Relative vapor density (air=1): 1.1 Chemical Properties Methanol consists of methyl and hydroxyl groups, with the chemical properties of alcohol. Methanol can react with fluorine gas, oxygen and other gases, burning violently in pure oxygen to produce...
Product Information Polyvinyl Chloride,referred to as PVC, is the world's third largest output of synthetic polymer plastics (after polyethylene and polypropylene), the annual production of about 40 million tons of PVC. PVC is vinyl chloride monomer (VCM) in the peroxide, azo compounds, and other initiators, or under the action of light, heat, and other polymers in accordance with free radical polymerization reaction mechanism. Polymer. Vinyl chloride homopolymer and vinyl chloride copolymer...
Product Information Main uses of polyvinyl chloride 1.Vinyl chloride profiles Profiles and profiles are the largest field of PVC consumption in China, accounting for about 25% of the total PVC consumption, mainly used for making doors, windows and energy-saving materials, and its application volume is still growing substantially in the whole country. In developed countries, the market share of plastic doors and windows is also high, such as 50% in Germany, 56% in France and 45% in the United...
Product Information Ethanol, commonly known as alcohol, fire wine, is a kind of Hydrocarbon Compounds, the chemical formula is C2H6O, the structure of the simple formula for CH3CH2OH or C2H5OH.Ethanol burns well and is commonly used as a fuel, solvent, disinfectant, etc. It is widely used in organic synthesis. Ethanol at room temperature and pressure is a volatile colorless transparent liquid, low toxicity, can be mutually soluble with water in any ratio, the solution has a wine flavor,...
Model NO.: Polyvinyl Alcohol fiber Function: Strengthen Certification: CE, ISO
Model NO.: Elt-Polyvinyl Alcohol fiber Function: Strengthen Certification: CE, ISO
Model NO.: Elt-polyvinyl alcohol fiber Function: Strengthen Certification: CE, ISO
Model NO.: Elt-polyvinyl alcohol fiber Function: Reinforcement Elongation: 7.5% Max.
Product Description 1.Product name
Model NO.: Polyvinyl Alcohol fiber Function: Strengthen Certification: CE, ISO
Model NO.: Elt-Polyvinyl Alcohol fiber Function: Strengthen Certification: CE, ISO
Vinyl acetate is polymerized to form polyvinyl acetate. The Polymers can be saponified to give various grades of flocculent, flake, granular, and powdery polyvinyl alcohol with 99.9% and 88% alcohol solvency under different amounts of alkali. The...
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