form rPP through injection moulding exhibited excellent dimensional stability, which is comparable to those
made from virgin PP (vPP). Effects of maleated polypropylene (MAPP) as a coupling agent is also
investigated in the rPP based composites. Incorporation of 3-5 wt. % MAPP significantly improved the
dimensional stability of the rPP based composites at all wood flour contents. MAPP modified composites
confirmed improved interfacial adhesion due to enhanced flours dispersion and stability resulting from the
chemical reaction between maleic anhydride in the MAPP and the hydroxyl groups of wood flour. It is
clearly observed in SEM test.