Acrylic Acid Maleic Anhydride Copolymer (MA-AA)


Acrylic acid maleic anhydride copolymer is a low molecular weight polyelectrolyte. This MA-AA copolymer has good dispersant performance against carbonate and scale inhibition for phosphate. It has good thermal stability.

CAS No.:


Structure Formula:

acrylic acid maleic anhydride copolymer structure formula


AppearanceBrown transparent liquid
Solid content, %48.0 Min.
Free monomer (as MA), %9.0 Max.
Density (20℃), g/cm31.18 Min.
pH (1%  solution)2.0-3.0


Acrylic acid maleic anhydride copolymer can be used at high temperatures (300℃). This acrylic maleic copolymer has good compatibility when used together with other agents.

MA-AA is widely used in low-pressure boiler, centralized heating, centralized air-conditioner, and circulating cool system. It can also be used as chelating dispersants in woven and dyeing fields.


Acrylic acid maleic anhydride copolymer can be used alone or together with other organic phosphates. When used together, the dosage of 2-10mg/L is preferred. The dosage for use as woven & dyeing and accessory detergent should be determined by experiments.

Packing and Storage:

200L plastic drum, IBC(1000L), customers’ requirement. Storage for one year in shady room and dry place.

200l plastic drum 1000l IBC

Safety Protection:

Acidity, Avoid contact with eye and skin. Once contacted, flush with water.


Poly(maleicanhydride-acrylicacidcopolymer), Copolymer of Maleic and Acrylic Acid.


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