2. Experimental
2.1. Materials
Wood fibers (WP) (q ¼1.5 g/cm3) were used in this
study. Bioadimide™ 500 was supplied by Rheinchemie,
Germany. The injection molding grade PLA (IngeoTM biopolymer
3251D) was purchased from NatureWorks LLC,
USA. The biodegradable PLA was used as matrix. The basic
properties of as-received PLA are shown in Table 1.