Adhesion improvement of lignocellulosic products by enzymatic pre-treatment
- 作者：Petri Widsten ; Andreas K ; elbauer
- 关键词：Adhesion ; Composites ; Enzymatic ; Fungi ; Laccase ; MDF ; Paper ; Particleboard ; Peroxidase ; Wood
- 刊名：Biotechnology Advances
- 出版年：2008
- 期刊代码：22_07349750
- 类别：abs
- 出版时间：July-August 2008
- 卷：26
- 期：4
- 页码：379-386
- 文件大小：348 K
摘要
Enzymatic bonding methods, based on laccase or peroxidase enzymes, for lignocellulosic products such as medium-density fiberboard and particleboard are discussed with reference to the increasing costs of presently used petroleum-based adhesives and the health concerns associated with formaldehyde emissions from current composite products. One approach is to improve the self-bonding properties of the particles by oxidation of their surface lignin before they are fabricated into boards. Another method involves using enzymatically pre-treated lignins as adhesives for boards and laminates. The application of this technology to achieve wet strength characteristics in paper is also reviewed.