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Biodegradable biomass resin composition by processing by-product of the coffee grounds BC PLA.
Unit | Test method | Results | |
---|---|---|---|
Melt Index | g/10min | ASTM D1238 | 16 |
Density | g/cm3 | ASTM D792 | 0.9 |
Yield point stress | kgf/cm2 | ASTM D638 | 160 |
Elongation at break | % | ASTM D638 | 100 < |
Flexural modulus | kgf/cm2 | ASTM D790 | 17,000 |
Impact strength(23ºC) | kgf-cm/cm | ASTM D256 | 2.5 |
Heat Deflection Temperature | º C | ASTM D648 | 120 |
Day | Blank ( g CO² / ves.) |
Ref. ( g CO²/ ves.) |
The cumulative amount of sample CO² |
Cumulative sample of biodegradability |
||||||
---|---|---|---|---|---|---|---|---|---|---|
N = 3 | N = 3 | 1 | 2 | 3 | Mean | 1 | 2 | 3 | Mean | |
0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | 0.0 | 0.0 |
7 | 3.89 | 6.42 | 5.51 | 5.67 | 5.64 | 5.61 | 13.5 | 14.9 | 14.5 | 14.3 |
14 | 7.20 | 11.98 | 9.80 | 10.18 | 9.99 | 9.99 | 21.6 | 25.6 | 23.2 | 23.5 |
21 | 10.11 | 15.04 | 13.17 | 13.72 | 13.72 | 13.54 | 25.3 | T30.9 | 29.9 | 28.7 |
28 | 12.95 | 18.17 | 15.29 | 16.03 | 16.35 | 15.89 | 25.3 | 31.6 | 34.9 | 30.6 |
35 | 15.39 | 21.30 | 18.52 | 19.31 | 19.31 | 19.05 | 31.4 | 38.7 | 39.2 | 36.4 |
45 | 17.96 | 23.95 | 21.73 | 21.51 | 22.28 | 21.84 | 36.4 | 40.2 | 42.4 | 39.7 |