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Acrylic Acid-2-Acrylamido-2-Methylpropane Sulfonic Acid Copolymer(AA/AMPS)


CAS No.  40623-75-4

Structural Formula:

Acrylic Acid-2-Acrylamido-2-Methylpropane Sulfonic Acid Copolymer (AA/AMPS)

Properties:

AA/AMPS is the copolymer of acrylic acid and 2-acrylanmido-2-methylpropanesulfonic acid. Due to including carboxylic group (scale inhibition and dispersion) and sulfonic acid group (strong polarity) in this copolymer,AA/AMPS has high calcium tolerance and good scale inhibition for calcium phosphate, calcium carbonate and zinc scale. When built with organophosphines, the synergic effect is obvious.AA/AMPS is suitable to be used in water quality of high pH and high alkaline, it is one of the ideal scale inhibitor and dispersant on high concentration index.

Specification:

Items Index
Appearance Colorless to light yellow viscous liquid Colorless to light yellow viscous liquid
Solid content % 30.0 min 40.0 min
Free monomer (as AA)% 0.50 max 0.50 max
Density (20℃)g/cm3 1.10 min 1.15 min
pH(1% water solution) 3.0 max 3.5-4.5

Usage:

AA/AMPS   can be used as scale inhibitor and dispersant in open circulating cool water system, oilfield refill water system, metallurgy system and iron & steel plants to prevent sediment of ferric oxide. When built with organophosphorines and zinc salt, the suitable pH value is 7.0~9.5.

AA/AMPS can also be used as dyeing auxiliaries for textile.

Package and Storage:

AA/AMPS liquid: 200L plastic drum,IBC(1000L),customers’ requirement.

AA/AMPS solid: 20kg/bag, customers‘ requirement. Storage for ten months in shady room and dry place.

Synonyms:

AA-AMPS; AA-AMPSA; Acrylic Acid-2-Acrylamido-2-Methylpropane Sulfonic Acid Copolymer;Sulfonated Polyacrylic Acid Copolymer;