Wood-Plastic Composites Cellulose and Lignocellulose Fillers

COMPOSITION OF WOOD-PLASTIC COMPOSITES CELLULOSE AND LIGNOCELLULOSE FILLERS 

The term wood-plastic composites (WPCs) refers to wood as a proxy for fibrous materials of plant origin. It can be wood flour or sawdust, or agricultural plant residues, typically cut, milled, or ground, or other types of natural fiber, such as hemp, jute, and kenaf, commonly as a by-product of the respective industrial process. 

Delignified cellulose is used as a commercial WPC filler in only one form, namely as a constituent of Biodac , in GeoDeck deck boards. It is delignified by virtue of chemical treatment of wood pulp for papermaking applications. All other cellulose-based fillers for WPC, such as wood flour, sawdust, and rice hulls, are natural materials, containing cellulose, hemicellulose, and lignin. 

Wood-Plastic Composites, by Anatole A. Klyosov Copyright 2007 John Wiley Sons, Inc. 

TABLE 3.1 WPC deck boards, manufacturing companies, and wood and naturai 

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