海藻酸钠改性三元共聚高吸水树脂的制备及其生物降解性能  

Preparation and Biodegradability of Terpolymer Super Absorbent Resin Blending Modification with Alginate

作　　者：周爱军[1] 张奇[1] 陈柳[1] 何骙 胡静璇[1] 

机构地区：[1]武汉工程大学,材料科学与工程学院,武汉430074

出　　处：《胶体与聚合物》2016年第1期10-12,共3页Chinese Journal of Colloid & Polymer

基　　金：国家自然科学基金项目(50773059);湖北省科技攻关项目(2002AA07B02)

摘　　要：以淀粉(ST)和丙烯酸(AA)为单体,采用微波辐照法对海藻酸钠(SA)成功进行接枝改性,得到了一种具有生物降解性能的三元共聚高吸水树脂。通过CO_2释放量测定及抗霉菌性能测定其生物降解性能。结果表明,当W(海藻酸钠)为5%,W(引发剂)为0.45%,W(交联剂)为0.8%时,所制备的三元共聚高吸水树脂的性能最优,其吸水倍率可达565.482g/g,在土壤中埋置60天之后的降解率可达40.9%,并能被特定的菌种降解。A terpolymer super absorbent resin blending modification with alginate was obtained,using acrylic acid and starch as monomers.The carbon dioxide emissions and fungus resistance experiment was used to discussed the Biodegradability of super absorbent resin.The copolymer was characterized by thermo gravimetric analyzer（TGA）.The results show that the optimal weight ratio of alginate is 5%,the mass fraction of initiator is 0.45%,and the mass fraction of crosslinking agent is 0.8%,and the water absorption could be up to 562.954g/g,the degradation degree is 39.7% within 60 days,it could be degraded by soil and specific microbes.

关 键 词：海藻酸钠 丙烯酸 淀粉 高吸水树脂 生物降解性能 

分 类 号：TQ321.2[化学工程—合成树脂塑料工业]