TEMPO氧化纳米纤维素/壳聚糖涂布制备防油纸及其性能研究  

Preparation and Properties of Oil-proof Paper by Coating TEMPO-oxidized Cellulose Nanofibril/Chitosan

作　　者：徐艳 杨博文 杨维红 赵志强 刘海棠[1] 刘忠[1] XU Yan;YANG Bowen;YANG Weihong;ZHAO Zhiqiang;LIU Haitang;LIU Zhong(College of Light Industry Science and Engineering,Tianjin Key Lab of Pulp and Paper,Tianjin University of Science and Technology,Tianjin,300457)

机构地区：[1]天津科技大学轻工科学与工程学院,天津市制浆造纸重点实验室,天津300457

出　　处：《中国造纸》2022年第11期54-61,共8页China Pulp & Paper

摘　　要：本研究以未漂阔叶木浆为原料,在最适打浆度(70°SR)下制备定量为60 g/m^(2)的防油原纸,通过表面涂布TEMPO氧化纳米纤维素(TCNF)和壳聚糖(CTS)的方法,提高纸张的防油性能,探究不同涂布量对纸张防油等级、耐热油性能、防溶剂性能、纸张物理性能的影响。结果表明,双层涂布TCNF和CTS,涂布量分别为2.5和1.4 g/m^(2)时,纸张达到最高防油等级(12级),且纸张具有较好的耐热油和防溶剂性能,透气度0.003μm/(Pa·s),厚度为106μm。In this study,unbleached hardwood pulp as raw material,oil-proof base paper with 60 g/m^(2) was prepared under the circumstance of optimal beating degree(70°SR). The oil-proof performance of the paper was improved by coating TEMPO-oxidized cellulose nanofibril(TCNF)and chitosan(CTS). The effects on different amount of coating with oil-proof grade,hot oil resistance,solvent resistance and physical properties were also explored. The results showed that when the amount of coating of TCNF and CTS were 2.5 g/m^(2) and 1. 4 g/m^(2) respectively,the oil-proof grade of paper reached the peak(grade 12)and the paper had excellent hot oil resistance,solvent resistance. Air permeability and thickness of paper was 0. 003 μm/(Pa·s) and 106 μm, respectively.

关 键 词：TEMPO氧化 纳米纤维素 壳聚糖 防油纸 涂布 

分 类 号：TS761.7[轻工技术与工程—制浆造纸工程]