漆酶催化的OCC纸浆疏水改性  

Laccase-Catalyzed Hydrophobicity Modification of OCC Pulp

作　　者：倪书振 刘娜[1] 贺同华[1] 胡杰 傅英娟[1] 

机构地区：[1]齐鲁工业大学制浆造纸科学与技术教育部重点实验室,山东济南250353 [2]浙江传化华洋化工有限公司,浙江杭州311231

出　　处：《纸和造纸》2016年第2期19-22,共4页Paper and Paper Making

基　　金：国家大学生创新创业训练项目(201410431021);国家自然科学基金(31540009)

摘　　要：利用漆酶结合没食子酸月桂酯体系(L/LG)处理旧瓦楞纸箱(OCC)纸浆,初步探讨了该处理体系对纸页施胶度、强度性能以及疏水性的影响。结果表明:相对未处理的OCC纸浆,经L/LG处理后,纸页的施胶度提高30倍,湿/干环压强度和湿/干抗张强度可分别提高约30.8%和37.2%,静态接触角从20.0°提高至122.5°,可勃(Cobb)值降低了69.1%,改性纤维的保水值下降17.5%,纸页的疏水性得到明显改善。The old corrugated container （OCC） pulp was treated by laccase with lauryl gallate （L/LG）. The sizing degree, strength properties and hydrophobicity ofpapersheet from treated OCC pulp were preliminarily discussed. The results showed that, compared to the untreated sample, the sizing degree of treated pulp increased by 30 times after L/LG treatment. The wet/dry ring crush strength and the wet/dry tensile strength increased by 30.8% and 37.2%, respectively. The static contact angle increased from 20.0° to 122.5°and the Cobb value decreased by 69.1%. The water retention value of modified fiber decreased by 17.5%. The hydrophobicity properties of papersheet were significantly enhanced.

关 键 词：漆酶 没食子酸月桂酯 OCC纸浆 施胶度 疏水性 

分 类 号：TS749[轻工技术与工程—制浆造纸工程] Q814.9[生物学—生物工程]