Polyacrylamide; Used in Mineral Processing, Wastewater treatment, Pulp and Paper, and Oil recovery
Polyacrylamide is a hygroscopic polymer that is used
for a variety of applications. Its properties include a high molecular weight,
excellent water solubility, linear chain structure, and a wide range of ionic
groups. These properties make it a useful chemical in various fields, including
wastewater treatment, paper manufacturing, and mining. It can be also used as a
plasticizer for laminating. It is commonly used as a flocculant, a soil
conditioner, and a viscosity modifier and friction reducer in enhanced oil
recovery and high volume hydraulic fracturing.
According to Coherent
Market Insights the Polyacrylamide
Market Global Industry Insights, Trends, Outlook, and Opportunity
Analysis, 2022-2028.
Polyacrylamide is also a popular component in
cosmetics. It is often used in cosmetics to stabilize products and bind
ingredients. It has foaming, anti-static, and lubricating properties. In cosmetics and personal care products,
polyacrylamide is used in the formulation of many products, including
moisturizers, skin cleansers, lotions and creams, sunscreens, makeup, hair and
nail care products, and more. CIR Expert Panel evaluated available safety test
data on this ingredient and concluded that polyacrylamide itself was safe as
used in cosmetics and personal care products.
Because of its solubility in water, it is an important
ingredient in sunscreens. However, it is not soluble in hexane, gasoline,
acetone, or propylene glycol. Therefore, it must be added to a solution of
sodium bicarbonate before it is used. This process allows the monomers to be removed
and is often performed in a comb. Polyacrylamide
can be obtained as a liquid or as a solid, and it can be used in a variety of
applications. For example, it is a strong settling agent, and it is used to thicken
pulp. An anionic form is also used as a cytoplasm additive in the paper
industry.
Polyacrylamide is also used for water treatment and
sludge dewatering of municipal wastewater, potable water treatment, industrial
wastewater, air flotation, and primary settling. According to the European
Commission's Joint Research Centre, over 99.9% of acrylamide in the European Union
is used in the production of polyacrylamides, and 80-90% of polyacrylamide is
used in wastewater treatment and paper and pulp processing.
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