CREEP BEHAVIOUR OF WOOD-PLASTIC COMPOSITES by Feng-Cheng Chang B.Sc., National Taiwan University, Taiwan, 2000 M.Sc., National Taiwan University, Taiwan, 2002 A THESIS SUBMITTED IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF DOCTOR OF PHILOSOPHY in The Faculty of Graduate Studies (Forestry) THE UNIVERSITY OF BRITISH COLUMBIA (Vancouver) October 2011 © Feng-Cheng Chang, 2011