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Introduction of polyacrylamide

Polyacrylamide is water-soluble polymer, appearance is white or light yellow toner particles, easy bibulous, long-term thermal decomposition, decomposition temperature above 200 , under anaerobic conditions, 210 carbonized to black powder. Polyacrylamide insoluble in most organic solvents, has good flocculation sex, can reduce the friction resistance between liquid, polyacrylamide by ion characteristic can be divided into non-ionic and anionic, cationic and amphoteric ion four types.

Polyacrylamide is almost insoluble in benzene, ether and ester, acetone and other general organic solvent, its aqueous solution nearly transparent viscous liquid, is a non-dangerous goods, non-toxic, non-corrosive, solid PAM has the water absorbability, moisture absorption increased with the increase of ionic degree, PAM thermal stability; Heated to 100 stability is good, but easy to decompose during nitrogen when above 150 , effect that happens in between the molecules and amination and insoluble in water, density (g) 1.302 ml of 23 . Vitrification 153 , humidity PAM showed non-newtonian liquid under stress.

Polyacrylamide use

The ionic polyacrylamide is a white powder that can dissolve in any proportion of water and does not dissolve in organic solvents. Anionic polyacrylamide is a good solubility, high viscosity, strong toughness, flammable (less) smoke, smell, non-toxic, etc. Anionic polyacrylamide products, stable performance, to avoid the other plant powder and ordinary starch because of different producing area and time, cementing quality is uneven, in the fragrance industry production requires repeated debug formula, so as not to cause the product quality unstable phenomenon; The anionic polyacrylamide perfumed product is smooth, smooth, formed and not broken. Anionic polyacrylamide is used for industrial wastewater treatment, drinking water treatment, feed, mud precipitation, and incense industry.

The cationic polyacrylamide is a white powder, which is soluble in water from 20 to 55 and is soluble in water and not soluble in organic solvents. High polymer electrolyte properties, cationic polyacrylamide is suitable for the treatment of waste water, which is rich in organic matter. Cationic polyacrylamide is used for the treatment of dielectric and organic waste water. Cationic polyacrylamide is used in dyeing, papermaking, food, building, metallurgy, oil, aquatic product processing and fermentation wastewater treatment industry such as organic colloid content is higher; Cationic polyacrylamide is used for the dehydration of municipal sewage, municipal sludge, paper sludge and other industrial sludge.

Amphoteric polyacrylamide is a polyacrylamide monomer with vinyl cation monomer and hydrolyzed copolymer. The molecular chain has both positive and negative amphoteric polymers. The treatment of polyacrylamide for sludge dewatering, sewage and organic wastewater; The treatment of tap water used to make water from rivers; Used for making paper as an enhancer or other auxiliary agent; Used in oil field additives such as clay anti-swelling agent, oil field acidizing thickener.

Non-ionic polyacrylamide series is a linear polymer with high molecular weight low ions. Because of its special group, it has the function of flocculation, dispersing, thickening, bonding, film, gel and stable colloid. Sewage treatment agent: when the floating wastewater is acidic, it is suitable to use non-ionic polyacrylamide as flocculant. This is when the polyacrylamide is attached to the bridge, causing the suspended particles to create a flocculation to the purpose of purifying the sewage. Polyacrylamide can also be used in the purification of tap water, especially with inorganic flocculant, which results in water treatment. Non-ionic polyacrylamide is used for industrial wastewater treatment, steelmaking wastewater treatment, metallurgical wastewater treatment, coal washing wastewater treatment; Used for oil production and drilling mud treatment; Used for the sizing of textiles; Used in papermaking industry, food industry, tea paper processing.

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