Polyvinylpyrrolidone (PVP) New developments in the global market and historical opportunities in China In today’s world of fine chemicals, polyvinylpyrrolidone (PVP) undoubtedly occupies an indispensable position. As a multifunctional polymer compound, PVP has been widely used in many fields such as medicine, cosmetics, food and industry since it was first synthesized by BASF in 1938. With its excellent solubility, chemical stability, low toxicity and film formation, PVP not only plays a key role in daily life, but also plays an important role in the high-tech field. Recently, there have been new changes and opportunities in the global PVP market. With BASF, one of the world’s leading producers, experiencing production difficulties, the dynamics of the global supply chain have changed significantly, especially in China. China’s PVP industry has ushered in unprecedented development opportunities in the tuyere of this change. This article will delve into the latest developments in this field, focus…

Polyvinylpyrrolidone (PVP) is a non-ionic polymer polymerized by N-vinyl pyrrolidone (NVP) under certain conditions. PVP can be used as a dispersant for lithium- ion battery electrodes and a processing aid for conductive materials. Data show that in the field of new energy batteries, the amount of 1GWh PVP is about 15 tons, mainly using industrial grade PVPK30. This paper describes in detail how PVP is used as a dispersant in lithium-ion battery and the market demand of PVP in lithium-ion battery industry. PVP dispersant for lithium battery cathode material Slurry is very important in the production of lithium-ion batteries. The quality of the battery is 70% related to the quality of the pole sheet, and the quality of the pole sheet is 70% related to the quality of the slurry. The production of slurry is equivalent to the completion of 50% of the battery, which is the core work of…

Polyvinylpyrrolidone (Polyvinylpyrrolidone) referred to as PVP, the medicinal name Povidone (Povidone) is a non-ionic water-soluble polymer, since the commercial emergence of the whole 80 years, is the most characteristic of N-vinylamide polymers, and has been studied the most in-depth, extensive fine variety, At present,it has developed into non-ionic, cationic, anion three categories, industrial grade, pharmaceutical grade, food grade three levels, molecular weight from thousands to more than one million homopolymer, copolymer, crosslinked polymer and polymer complex series products, and with its unique properties are widely used in various industries and scientific research departments around the world; Every year, the world publishes more than 1000 papers and patents to show its emerging status and the prospect of continuous development. Nature and packaging, storage Properties: PVP, as a synthetic water-soluble polymer compound, has the general properties of water-soluble polymer compounds, such as colloidal protection, film formation, adhesion, hygroscopicity, solubilization or condensation and…

polyvinyl pyrrolidone (PVP), referred to as PVP, is a non-ionic polymer, povidone K30-90 and other models, is the most characteristic of N-vinyl amide polymers, and has been the most studied and widely used fine chemical variety. Has developed into non-ionic, cationic, anion 3 categories, industrial grade, pharmaceutical grade, food grade 3 specifications, relative molecular mass from thousands to more than one million homopolymer, copolymer and crosslinked polymer series products, and with its excellent unique properties have been widely used. Average molecular weight: 8000-700000 Stability: stable under normal temperature and pressure Solubility: easily soluble in water and halogenated hydrocarbon solvents, alcohols, amines, nitroalkanes and low molecular fatty acids, insoluble in acetone, ether, turpentine, aliphatic hydrocarbons and alicyclic hydrocarbons and other solvents. It is compatible with most inorganic salts and various resins. Properties: Hydrophilic and easy to flow white or nearly white powder, with a slight odor. A crosslinked homopolymer of pure…

Lithium iron phosphate is an inorganic compound It belongs to the orthorhombic olivine structure and the space group is Pnma Lithium iron phosphate is used as a cathode material for lithium-ion batteries Its theoretical specific capacity is 170mAh/g, the actual specific capacity of the product can exceed 140mAh/g Mainly used in power batteries (HEV,EV, power tools) Crystal structure of lithium iron phosphate   Advantages of lithium iron phosphate The raw materials are abundant and cheap > Environmentally friendly, does not contain any harmful heavy metal elements Good thermal stability Good cycle performance (can charge and discharge more than 2000 times under 100%DOD conditions) Good thermal stability o Thermal stability of LiFePO4 and FePO4 after charging The sex is very good, FePO4 in 210~410°C temperature The heat released in the range of degrees is only 210J/g o LiCoO₂ Charging state (CoO2) begins to decompose Oxygen is produced at a temperature of…

About: Methylpropylene glycol is a colorless transparent liquid with low viscosity. Miscible with water, methanol, ethanol, butanol, propylene glycol, propylene glycol monomethyl ether, tetrahydrofuran, acetone, carbonate lactone, styrene, insoluble in cyclohexane, hexane, toluene, xylene. At about -54℃, the viscosity increases and the crystallization is not obvious. Applications: Methyl propylene glycol can be used in the manufacture of unsaturated polyester, liquid saturated polyester, thermoplastic polyester resin (PET and PBT modification), alkyd resin, polyurethane resin, double ester type plasticizers, lubricants, etc. Also used in cosmetics, pharmaceuticals and so on. The obtained polymer has the characteristics of low viscosity, low melting point, low temperature resistance and weather resistance. In the field of polyurethane, it is used to produce polyester polyols with low crystallization, and can be used as chain extender. The application fields are synthetic leather paste, polyurethane coating, polyurethane adhesive for food flexible packaging composite. Preparation: In industry, propylene oxide is isomerized…

About lithium hydroxide Lithium hydroxide is an important basic lithium salt product. Traditional application areas are mainly glass ceramics, petrochemical, etc., but with the global demand for high-nickel lithium batteries heating up, battery materials have become the core driving force of the global lithium hydroxide market. Lithium base grease prepared from lithium hydroxide has the advantages of long service life, oxidation resistance, high temperature stability, etc. As an additive to alkaline batteries, lithium hydroxide can increase the storage capacity and extend the battery life.In addition, lithium hydroxide has important applications in metallurgy, atomic energy, chemical reagents, aerospace, national defense industry and other fields. Chemical reaction 1, lithium hydroxide in the case of isolated air, heating to 600℃, lithium oxide and water, chemical reaction equation:2LiOH=Li2O+H2O.   2, under the condition of heating, lithium hydroxide and magnesium or calcium action, both to produce lithium metal and the corresponding oxide. 1) 2LiOH+Mg=2Li+MgO+H2O 2)…

PVP (polyvinylpyrrolidone), as a completely synthetic water-soluble polymer compound, is a series of polymer fine chemical products obtained from monomer N-vinylpyrrolidone (NVP) through homopolymerization, copolymerization, crosslinking polymerization and other methods, with excellent solubility, physiological compatibility, complexability, film formation, bonding ability, water absorption and moisture retention properties. Can be used as auxiliaries, additives, auxiliary materials, etc., in medicine, textile, chemical, beverage, daily chemical and other fields have been applied. The main varieties and specifications of PVP can be divided into viscosity levels according to molecular weight K-15, K-30, K-60, K-90, etc., in general, the larger the K value, the larger the molecular weight, the larger the viscosity, the smaller the solubility, the higher the thermal stability, the easier to form crystals, suitable for different scenarios.PVP is widely used in medical, daily chemical, food industry, textile dyeing and finishing industry and other fields, the scale of production continues to expand, in recent…

Anhydrous lithium hydroxide manufacturing process： Single water lithium hydroxide charge>desiccation>Anhydrous lithium hydroxide>cooling>Iron removal>bagging>sizing>Electromagnetic iron removal>High magnetic anhydrous lithium hydroxide and low magnetic anhydrous lithium hydroxide。 Anhydrous lithium hydroxide manufacturing process is an important chemical process, it has been widely used in many fields. Anhydrous lithium hydroxide is a colorless crystal with high solubility and thermal stability, and is an important raw material for the preparation of lithium-ion batteries, optical glass and other materials. The manufacturing process of anhydrous lithium hydroxide mainly includes the following steps. First, lithium ions are extracted from lithium compounds. The commonly used method is to react lithium compounds with water to produce lithium hydroxide, and then convert lithium hydroxide into anhydrous lithium hydroxide by pyrolysis or electrolysis. Secondly, the anhydrous lithium hydroxide is purified to remove impurities and improve the purity and quality of the product. Finally, the purified anhydrous lithium hydroxide is made into powder…

Lithium hydroxide is an inorganic compound with the chemical formula LiQH. Its molecular weight is 23.95g/mo1. It is a chemical with many advantages, havingA wide range of applications. The use of lithium hydroxide will be described in detail in this paper. 1. Battery materialsLithium hydroxide is an important battery material, which has been widely used in lithium-ion batteries and lithium-ion capacitors. For example, in lithium ionizationIn daughter batteries, lithium hydroxide is used as the electrolyte of lithium-ion batteries, as well as one of the positive and negative electrode materials of batteries. In lithium-ion batteries, the use of lithium hydroxide is very wide, because it can ensure the stability of the battery in high temperature and humid environments, and maintain a high energy density and good cycle life during the cycle charge and discharge process. In addition, lithium-ion capacitors also need to use lithium hydroxide as an electrolyte to store electrons…