| polymer_type |
<app.db.schema.PolymerType object at 0x7b18292c6ab0>
|
| morphology |
<app.db.schema.Morphology object at 0x7b18292c6a20>
|
| source |
<app.db.schema.LiteratureSource object at 0x7b18292c7140>
|
| chemical_loads |
(<app.db.schema.ChemicalLoad object at 0x7b18292c5910>)
|
| matrix_entries |
(<app.db.schema.MatrixComposition object at 0x7b18292c4a70>)
(<app.db.schema.MatrixComposition object at 0x7b18292c6810>)
(<app.db.schema.MatrixComposition object at 0x7b18292c6600>)
(<app.db.schema.MatrixComposition object at 0x7b18292c4c80>)
(<app.db.schema.MatrixComposition object at 0x7b18292c6930>)
(<app.db.schema.MatrixComposition object at 0x7b18292c58e0>)
(<app.db.schema.MatrixComposition object at 0x7b18292c6150>)
|
| id |
11 |
| polymer_type_id |
1 |
| size_major_axis_nm |
50.0 |
| size_minor_axis_nm |
40.0 |
| morphology_id |
1 |
| crystallinity_pct |
40.0 |
| surface_area_m2_per_g |
35.0 |
| zeta_potential_mv |
-18.0 |
| hydrophobicity_log_d |
3.0 |
| surface_functionalization |
Oxidised surface from environmental weathering; carbonyl and hydroxyl groups detected on nanoscale fragments. |
| protein_corona_potential |
|
| origin |
Secondary |
| weathering_state |
3 |
| degradability_notes |
PE is highly persistent at all size scales; nano-fragments likely persist for centuries in the environment. |
| density_g_per_cm3 |
0.95 |
| reference_material_id |
|
| detection_method |
AFM-IR / Nano-FTIR |
| refractive_index |
1.51 |
| reliability_rating |
reliable |
| detection_method_notes |
PE nano-fragments detectable by AFM-IR and Nano-FTIR, though quantification at the nanoscale remains challenging. |
| source_id |
3 |
| notes |
Ultrafine PE fragment from weathering of packaging materials at the nanoscale. |
| created_at |
2026-05-16 05:30:24.903694 |
| updated_at |
2026-05-16 05:30:24.903695 |