PVAm/淀粉复合物在再生浆中的应用  

PVAm/Starch Complexes and Its Application in the Recycled Pulp

作　　者：陈丽娜[1] 陈少平[1] 卢晓林[1] 陈振生[1] 

机构地区：[1]福建师范大学化学与材料学院,福建福州350007

出　　处：《华东纸业》2010年第6期49-51,共3页Shanghai Paper Making

摘　　要：通过聚丙烯酰胺(PAM)的霍夫曼反应得到的聚乙烯胺(PVAm)与淀粉共混制备PVAm/淀粉复合物。在中性造纸条件下,PVAm/淀粉复合物对再生浆具有显著的助滤和纸张增强作用。当添加量为0.5%(对绝干浆)时,样品SF-1502的纸张干抗张强度增加33.3%,湿抗张强度提高2倍,打浆度降低41.3%。PVAm/starch complexes were prepared by mixing starch and PVAm that is obtained through Hofmann reaction of PAM.Under neutral papermaking condition,PVAm/starch complexes showed obvious effects on improvements of drainage,strengths of paper for the recycled pulp papermaking.When the dosage of SF-1502 was 0.5%based on oven dry pulp,the dry tensile strength index of the paper was increased by 33.3%,and the wet tensile strength index was increased by about 2 times,while the beating degree of the pulp were decreased by 41.3%.

关 键 词：淀粉 聚乙烯胺 复合物 助滤 纸张增强 

分 类 号：TS749.7[轻工技术与工程—制浆造纸工程]