Effect Mechanism of Soil Properties on Water Absorption of Absorbent Polymers

[Objective] The research aimed to study the effects of soil properties on water absorption of super absorbent polymers.[Method] The water absorption ratio of super absorbent polymers in different pH and soil were tested.[Result] The results indicated that the water absorption ratio of super absorbent polymers changed with the pH and soil changing.The water absorption rate was the largest when pH was 7.0.The water absorption ratio was lower in the soil that its clay percent was higher.At the beginning of absorption in the soils,the water absorption ratio of super absorbent polymers was restricted by the soil porosity.With the increase of water absorption time,the ion exchange capacity increased the water absorption ratio decreased gradually by.[Conclusion] The study reveals the effect mechanism of different pH and soil on the ater absorption of super absorbent polymers,can provide the basis for effectively applying the super absorbent polymers.