海藻接枝型保水剂的制备及表征

Preparation and characterization of alga super absorbent polymer

以海藻为分子骨架,接枝丙烯酸制备可降解性保水剂。首先利用温差破壁及生物技术对海藻进行活化,接着考察了海藻保水剂的最佳合成条件,最佳条件下所得产品吸去离子水率为409 g/g。用超声波法代替传统抽提法测定产品接枝率,纯化后产品吸去离子水率为527 g/g。最后通过IR图、SEM图对产品进行了结构表征。

Alga is used as molecule polymerized. First,we use breaking framework on which acrylic acid are grafted when superabsorbent is cell wall technique of difference in temperature and biology technique to activate alga. Then we investigated the optimum synthetic condition. The distilled water absorption of high absorbent is 409 g/g in the optimum condition. We tested the grafting ratio of the production by ultrasonic wave instead of traditional extractive way. The distilled water absorption of purify high absorbent is 527 g/g. The copolymer structure was characterized by IR and SEM.