漆酶介体体系活化木纤维制备中密度纤维板的工艺优化研究  

Study on the Process Optimization of Medium Density Fiberboard Made by Laccase Mediator System

作　　者：关鑫[1] 刘学莘[1] 郭明辉[2] 林金国[1] 

机构地区：[1]福建农林大学材料工程学院,福建福州350002 [2]东北林业大学生物质材料科学与技术教育部重点实验室,黑龙江哈尔滨150040

出　　处：《西南林业大学学报（自然科学）》2014年第5期90-94,共5页Journal of Southwest Forestry University：Natural Sciences

基　　金：国家"十二五"科技支撑项目(2011BAD08B03)资助;福建农林大学重点项目建设专项(6112C070N)资助

摘　　要：研究基于漆酶介体体系活化天然木质素制备中密度纤维板,由响应面法分析得到漆酶介体体系活化木纤维的优化工艺为,pH 5.0,反应温度50℃,反应时间为55.00 min,木纤维体积分数4.0%,ABTS摩尔浓度0.28 mmol/L,香草醛摩尔浓度1.66 mmol/L和漆酶活性60.00 U/mL。A new method to manufacture wood-based panel was come up with laccase as a kind of eco-friendly enzymes.In this study,according to the laccase mediator system,wood fibers were modified to manufacture medi-um density fiberboard.Based on the response surface methods,the best technological parameters were confirmed that was pH 5.0,50℃ of treatment temperature,55 min of treatment time,4.0% volume fraction of wood fiber, 0.28 mmol/L of ABTS concentration,1.66 mmol/L of vanillin concentration and 60 U/mL of laccase activity.

关 键 词：木纤维 漆酶介体体系 中密度纤维板 响应面法 

分 类 号：S784[农业科学—林学]