| polymer_type |
<app.db.schema.PolymerType object at 0x7cf7586e08f0>
|
| morphology |
<app.db.schema.Morphology object at 0x7cf7585d84d0>
|
| source |
<app.db.schema.LiteratureSource object at 0x7cf758611340>
|
| chemical_loads |
|
| matrix_entries |
(<app.db.schema.MatrixComposition object at 0x7cf758613680>)
|
| id |
18 |
| polymer_type_id |
12 |
| size_major_axis_nm |
50000.0 |
| size_minor_axis_nm |
30000.0 |
| morphology_id |
1 |
| crystallinity_pct |
0.0 |
| surface_area_m2_per_g |
0.8 |
| zeta_potential_mv |
-20.0 |
| hydrophobicity_log_d |
3.5 |
| surface_functionalization |
Smooth brittle-fracture surface typical of secondary polycarbonate debris; no deliberate functionalisation. |
| protein_corona_potential |
|
| origin |
Secondary |
| weathering_state |
2 |
| degradability_notes |
Polycarbonate is susceptible to hydrolysis and UV-induced yellowing; fragments persist for years in indoor dust. |
| density_g_per_cm3 |
1.2 |
| reference_material_id |
|
| detection_method |
Py-GC/MS |
| refractive_index |
1.586 |
| reliability_rating |
conditional |
| detection_method_notes |
Polymer identity quantified by mass-based Py-GC/MS in Durkin et al. (2026). Particle size and morphology are assumed representatives, not measured by the source method. |
| source_id |
7 |
| notes |
50 µm polycarbonate fragment, assumed representative for the mass-weighted Durkin (2026) variant matrix. Size and morphology are illustrative only. |
| created_at |
2026-10-15 09:41:01.893406 |
| updated_at |
2026-10-15 09:41:01.893412 |