聚乙烯胺对瓦楞原纸AKD的施胶增效和对纸张的增强作用  

Application of Polyvinylamine(PVAm) in Corrugating Medium

作　　者：陈夫山[1] 黄驰[1] 郭振 

机构地区：[1]青岛科技大学 [2]凯密拉化学品公司,上海200131

出　　处：《中国造纸》2008年第8期18-22,共5页China Pulp & Paper

摘　　要：研究了聚乙烯胺(PVAm)对瓦楞原纸AKD中性施胶增效和纸张增强的作用。结果表明,当聚乙烯胺加入量为0.1%(相对绝干浆)时,手抄片的施胶度比加入量为1%的阳离子淀粉要高,达到了11.8s;聚乙烯胺加入量为0.3%时,对纸张的增强效果与阳离子淀粉加入量为1%时基本相同,纸张的环压指数和裂断长分别提高10%和13%;加入量为0.5%时,纸张的环压指数和裂断长分别提高15%和22%。此外,聚乙烯胺的加入使浆料滤液的浊度和阳离子需求量下降,当加入量为0.6%时,浊度降低95%左右,阳离子需求量下降了80%左右。PVAm was used as the enhancing agent of AKD size and the strengthening agent of the paper. When the dosage of the PVAm was 0.1% （on OD pulp）, the sizing degree of the handsheet was 11.8s which was better than 7.8s when 1% dosage cationic starch was used;When the dosage of PVAm was 0.5%, the sizing degree of the handsheet was higher at 72.8s, and at the same time, the strength of the hand sheets was improved： the ring crush compression index （RTI） increased by15% and the breaking length increased by 22%. when the dosage of PVAm was 0.6%, the cationic demand of the pulp filtrate decreased by 80 %, and the turbidity decreased by 95 %.

关 键 词：聚乙烯胺 AKD施胶 纸张增强 阳离子需求量 浊度 

分 类 号：TS727.2[轻工技术与工程—制浆造纸工程]