| polymer_type |
<app.db.schema.PolymerType object at 0x71ff90705700>
|
| morphology |
<app.db.schema.Morphology object at 0x71ff90722570>
|
| source |
<app.db.schema.LiteratureSource object at 0x71ff90723f50>
|
| chemical_loads |
|
| matrix_entries |
(<app.db.schema.MatrixComposition object at 0x71ff90721100>)
|
| id |
9 |
| polymer_type_id |
7 |
| size_major_axis_nm |
35000.0 |
| size_minor_axis_nm |
35000.0 |
| morphology_id |
5 |
| crystallinity_pct |
30.0 |
| surface_area_m2_per_g |
2.0 |
| zeta_potential_mv |
-20.0 |
| hydrophobicity_log_d |
1.8 |
| surface_functionalization |
Rough surface with early signs of hydrolytic degradation. |
| protein_corona_potential |
|
| origin |
Secondary |
| weathering_state |
3 |
| degradability_notes |
PLA hydrolyses under composting conditions; slower degradation in ambient environments. |
| density_g_per_cm3 |
1.25 |
| reference_material_id |
|
| detection_method |
FTIR spectroscopy |
| refractive_index |
1.47 |
| reliability_rating |
conditional |
| detection_method_notes |
PLA markers are generally reliable but may co-elute with other polyesters. KOH digestion may affect PLA similarly to PET. |
| source_id |
3 |
| notes |
PLA film fragment from compostable packaging. Degradation will depend on environmental conditions. |
| created_at |
2026-05-16 05:30:24.903693 |
| updated_at |
2026-05-16 05:30:24.903694 |