Table 3.

Deterioration of physical properties after environmental exposure at station 2

FormulationDay 25Day 75Day 150Day 380
TS%ETS%ETS%ETS%E
100% PHBV103a 87105893735b
30% Starch70563139
30% PEO-coated starch60472435
50% Starch3240
50% PEO-coated starch1826
100% Starch
  • a The data are percentages of the initial (zero-time) values.

  • b —, severely deteriorated sample for which data could not be obtained.