Characterization of Alkaline Treatment and Fiber Content on the Physical, Thermal, and Mechanical Properties of Ground Coffee Waste/Oxobiodegradable HDPE Biocomposites

Table 1

Summary of the composites investigated in this study.

Composite	Sample	Stacking sequence	Volume of GCW (%)	Volume of oxo-HDPE (%)
A1	oxo-HDPE (PE)	150PE	0	100
B1	Untreated GCW5/oxo-HDPE	150 PE + 5 UG	5	95
B2	Untreated GCW10/oxo-HDPE	150 PE + 10 UG	10	90
B3	Untreated GCW15/oxo-HDPE	150 PE + 15 UG	15	85
B4	Untreated GCW20/oxo-HDPE	150 PE + 20 UG	20	80
C1	1% NaOH1/oxo-HDPE	150 PE + 10 NG	10	90
C2	1% NaOH6/oxo-HDPE	150 PE + 10 NG	10	90
C3	1% NaOH12/oxo-HDPE	150 PE + 10 NG	10	90
C4	1% NaOH24/oxo-HDPE	150 PE + 10 NG	10	90
D1	1% NaOH5/oxo-HDPE	150 PE + 5 NG	5	95
D2	1% NaOH10/oxo-HDPE	150 PE + 10 NG	10	90
D3	1% NaOH15/oxo-HDPE	150 PE + 15 NG	15	85
D4	1% NaOH20/oxo-HDPE	150 PE + 20 NG	20	80