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Study of building performance of itaconic-acrylic acid copolymer

Tao Mei-xiang

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Abstract

The performance of the itaconic-acrylic acid copolymer(IA-Co-AA)as a detergent builder was studied and compared with that of maleic acid-acrylic acid copolymer(MA-Co-AA)and sodium tripolyphosphate(STPP).The results showed that:calcium soap dispersibility and pH buffering capacity of IA-Co-AA are stronger remarkably than that of STPP and MA-Co-AA.The surface activity of MA-Co-AA is higher than that of IA-Co-AA and STPP,but all of them have good synergic effect with sodium dodecyl benzene sulfonate(LAS),so that the surface tension of the LAS solution is lowered significantly in the presence of them.The detergency and anti-reprecipitation capacity of the detergent powder where IA-Co-AA is formulated instead of STPP are stronger than the powder where MA-Co-AA is formulated.The biodegradability of IA-Co-AA is better,while that of MA-Co-AA is worse.

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What this paper is about

The performance of the itaconic-acrylic acid copolymer(IA-Co-AA)as a detergent builder was studied and compared with that of maleic acid-acrylic acid copolymer(MA-Co-AA)and sodium tripolyphosphate(STPP).The results showed that:calcium soap dispersibility and pH buffering capacity of IA-Co-AA are stronger remarkably than that of STPP and MA-Co-AA.The surface activity of MA-Co-AA is higher than that of IA-Co-AA and STPP,but all of them have good synergic effect with sodium dodecyl benzene sulfonate(LAS),so that the surface tension of the LAS solution is lowered significantly in the presence of them.The detergency and anti-reprecipitation capacity of the detergent powder where IA-Co-AA is formulated instead of STPP are stronger than the powder where MA-Co-AA is formulated.The biodegradability of IA-Co-AA is better,while that of MA-Co-AA is worse.

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Available abstract

The performance of the itaconic-acrylic acid copolymer(IA-Co-AA)as a detergent builder was studied and compared with that of maleic acid-acrylic acid copolymer(MA-Co-AA)and sodium tripolyphosphate(STPP).The results showed that:calcium soap dispersibility and pH buffering capacity of IA-Co-AA are stronger remarkably than that of STPP and MA-Co-AA.The surface activity of MA-Co-AA is higher than that of IA-Co-AA and STPP,but all of them have good synergic effect with sodium dodecyl benzene sulfonate(LAS),so that the surface tension of the LAS solution is lowered significantly in the presence of them.The detergency and anti-reprecipitation capacity of the detergent powder where IA-Co-AA is formulated instead of STPP are stronger than the powder where MA-Co-AA is formulated.The biodegradability of IA-Co-AA is better,while that of MA-Co-AA is worse.

Key concepts: Itaconic acid, Acrylic acid, Copolymer, Maleic acid, Chemistry, Sodium, Sulfonate, Nuclear chemistry

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