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What are the functions of hydrolyzed polymaleic anhydride?
2022-04-26
Hydrolyzed polymaleic anhydride is a low molecular weight polyelectrolyte with a relative molecular weight of 400-800. It is non-toxic, soluble in water, and has high chemical and thermal stability. The decomposition temperature is above 330℃. This product can also be used in cement admixtures.
Hydrolyzed polymaleic anhydride is typically complexed with organic phosphonates at 1-15 ppm. It is used for circulating cooling water, oil field water injection, crude oil dehydration treatment and low-pressure boiler furnace treatment. It has a good effect of inhibiting the formation of scale and peeling off old scale. up to 98%. When HPMA is compounded with zinc salt, it can effectively prevent the corrosion of carbon steel.
