Effect of Rubberwood Content on Biodegradability of Poly(butylene succinate) Biocomposites

Table 4

The carbonyl index values of the neat PBS and the PBS/RWP biocomposites.

	Carbonyl index (CI) at various burial times
	0 days	10 days	20 days	30 days	40 days	50 days	60 days
PBS	3.70	3.47	3.21	3.18	3.16	2.95	3.04
PBS/RWP5	3.82	3.47	3.39	3.29	3.17	2.48	2.45
PBS/RWP10	3.97	3.29	2.89	2.72	2.75	2.48	2.31
PBS/RWP20	3.31	3.03	2.80	2.61	2.68	2.57	2.56
PBS/RWP30	3.41	2.87	2.65	2.55	2.56	2.35	2.24
PBS/RWP40	3.07	2.71	2.34	2.34	2.22	2.27	2.21