| polymer_type |
<app.db.schema.PolymerType object at 0x71ff9074f320>
|
| morphology |
<app.db.schema.Morphology object at 0x71ff9074c170>
|
| source |
<app.db.schema.LiteratureSource object at 0x71ff9074ec90>
|
| chemical_loads |
|
| matrix_entries |
(<app.db.schema.MatrixComposition object at 0x71ff9074fda0>)
(<app.db.schema.MatrixComposition object at 0x71ff9074e8d0>)
|
| id |
17 |
| polymer_type_id |
1 |
| size_major_axis_nm |
10.0 |
| size_minor_axis_nm |
8.0 |
| morphology_id |
1 |
| crystallinity_pct |
35.0 |
| surface_area_m2_per_g |
120.0 |
| zeta_potential_mv |
-15.0 |
| hydrophobicity_log_d |
3.0 |
| surface_functionalization |
Oxidised surface from environmental weathering; carbonyl and hydroxyl groups detected on ultrafine fragments. |
| protein_corona_potential |
|
| origin |
Secondary |
| weathering_state |
3 |
| degradability_notes |
PE is highly persistent even at ultrafine scale; 10 nm fragments may be the smallest stable PE particles in the environment. |
| density_g_per_cm3 |
0.95 |
| reference_material_id |
|
| detection_method |
AFM-IR / Cryo-TEM |
| refractive_index |
1.51 |
| reliability_rating |
reliable |
| detection_method_notes |
AURORA preliminary 2026 data. PE ultrafine fragments detectable by AFM-IR, though quantification at <10 nm remains challenging. |
| source_id |
6 |
| notes |
10 nm PE ultrafine fragment — smallest particle in the database. AURORA preliminary 2026. |
| created_at |
2026-05-16 05:30:24.903697 |
| updated_at |
2026-05-16 05:30:24.903697 |