NCC/CS二元体系对纸张的增强作用  

Strengthening of Nanocrystal Cellulose with Cationic Starch in Papermaking

作　　者：刘梦雪[1] 杜越[1] 姚春丽[1] 

机构地区：[1]北京林业大学材料科学与技术学院,北京100083

出　　处：《纸和造纸》2014年第8期39-43,共5页Paper and Paper Making

基　　金：北京林业大学大学生科技创新项目;项目编号:100222012201208

摘　　要：研究阳离子淀粉(CS)/纳米结晶纤维素(NCC)二元增强体系对不同浆种纸张的增强效果。结果表明:单独添加NCC或者CS对抗张强度、撕裂强度和耐破度都有一定的增强效果;先CS后NCC的添加方式对纸张的增强效果比CS与NCC先混合后添加的增强效果好;CS用量1%、NCC用量0.6%时,对阔叶木浆,先CS后NCC的添加方式,干抗张指数增加76.3%、撕裂指数增加50.6%、耐破指数增加63.4%、耐折度增加7倍多;对针叶木浆、阔叶木浆混合纸浆,先CS后NCC的添加方式,干抗张指数增加45.7%,撕裂指数增加25.2%,耐折度增加99.4%。The applications of NCC/CS in papermaking were explored in this paper. The results were as foUows： （ 1 ） adding a single NCC or CS has some strengthening effect on tensile strength, tear strength and bursting strength of paper; （ 2 ） Comparing to the adding mode which was CS and NCC fixed before adding to paper, the results of paper strength were better when CS was added into the pulp followed by NCC; （ 3 ） When the adding dosage of CS and NCC were 1%,6 and 0.6%, For the hardwood paper, relatively to the original paper, the dry tensile index, tear index and the burst index were increased by 76.3%, 50.6%, 63.4%, and the folding index was sevenfold compared to the original paper. For the mixing paper consisting of 40% softwood pulp and 60% hardwood pulp, relatively to the original paper, the dry tensile index, tear index and folding index were increased by45.7%, 25.2%, 99.4%.

关 键 词：纳米结晶纤维素 阳离子淀粉 增强剂 

分 类 号：TS714[轻工技术与工程—制浆造纸工程]