Product Description:Polyacrylamide, Polyacrylic amide, PAM Chemical
formula: (C3H5NO)n Outside: at room temperature is a hard glassy
solid, the products are liquid glue, latex and white powder,
translucent beads and flakes, etcSuperfloc
specification:Product Apperance Molecular Weight
Ionic ChargeAnionic Polyacrylamide Powder 5-22
Million 5%-40%Cationic Polyacrylamide Powder 5-12
Million 5%-60%Non-ionic Polyacrylamide Powder
5-15 Million 0%-5%Application:Polyacrylamide (PAM) is a
general name of acrylamide homopolymer or copolymerized with other
monomers, which is one of the most widely used water-soluble
polymers. Because the polyacrylamide structure unit contains the
amide base, easy to form hydrogen bonds, so that it has good water
solubility and high chemical activity, easy through grafting or
crosslinking to get branch chain or network structure of a variety
of modifiable substances, in oil mining, water treatment, textile,
paper, mineral processing, medicine, agriculture and other
industries have a wide range of applications, known as "all ye
additives". The main application fields abroad are water treatment,
paper making, mining, metallurgy, etc. At present, the largest
domestic consumption is in the field of oil production, and the
fastest growing consumption is in the field of water treatment and
paper making. Polyacrylamide is a water-soluble linear polymer
caused by free radical polymerization of acrylamide (AM) monomer,
with good flocculation, can reduce the friction resistance between
liquids, according to ionic characteristics can be divided into
non-ionic, anionic, cationic and amphoteric four types.
Polyacrylamide (PAM) is insoluble in most organic solvents, such as
methanol, ethanol, acetone, ether, aliphatic hydrocarbons, and
aromatic hydrocarbons, except for a few polar organic solvents,
such as acetic acid, acrylic acid, chloroacetic acid, glycol,
glycerin, molten urea, and formamide. But the solubility of these
organic solvents is limited, often need to be heated, otherwise not
much application value. It can dissolve in water in any proportion,
and the water solution is a uniform and transparent liquid. The
size of molecular weight has little effect on the solubility, but
when the solution concentration is higher than 10%, the polymer
with high molecular weight can show a gel-like structure due to the
interaction of hydrogen atoms between molecules. High molecular
weight solution is pseudoplastic fluid. [1] At suitable low
concentration, the polyacrylamide solution can be regarded as a
network structure, and the mechanical entanglement and hydrogen
bond between chains form network nodes. At higher concentrations,
PAM solutions appear gel-like because they contain many
chain-to-chain contacts. PAM aqueous solution and many can and
water miscible organic matter has good compatibility, has good
compatibility to electrolyte, ammonium chloride, calcium sulfate,
copper sulfate, potassium hydroxide, sodium carbonate, sodium
borate, sodium nitrate, sodium phosphate, sodium sulfate, zinc
chloride, boric acid and phosphoric acid and other substances are
not sensitive. Polyacrylamide is white powder or small particles
with a density of 1.302g/cm3 (23ºC), glass transition temperature
of 153ºC, softening temperature of 210ºC [1], the general method of
drying contains a small amount of water, dry and will soon absorb
water from the environment, with freeze-drying separation of the
homopolymer is white soft non-crystalline solid, But when
precipitated from the solution and dry is a glassy part of the
transparent solid, completely dry polyacrylamide PAM is a brittle
white solid, commodity polyacrylamide is usually dry under moderate
conditions, the general water content of 5%~15%, cast in the glass
plate preparation of polymer film, is transparent, hard, fragile
solid. [3] Under hypoxia condition, heat to 210ºC due to water loss
weight; Continue heating to 210~300ºC when the amide group
decomposition into ammonia and water; When the temperature rises to
500ºC, black flakes of 40 percent of their original weight form.
Package:The solid product is packed in Kraft paper bags with inner
plastic bags, with each bag containing 25kgs. Company
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