| polymer_type |
<app.db.schema.PolymerType object at 0x7b182927e900>
|
| morphology |
<app.db.schema.Morphology object at 0x7b182927ec30>
|
| source |
<app.db.schema.LiteratureSource object at 0x7b182927ecf0>
|
| chemical_loads |
|
| matrix_entries |
(<app.db.schema.MatrixComposition object at 0x7b182927ed80>)
(<app.db.schema.MatrixComposition object at 0x7b182927fb00>)
(<app.db.schema.MatrixComposition object at 0x7b182927e2d0>)
(<app.db.schema.MatrixComposition object at 0x7b182927c290>)
(<app.db.schema.MatrixComposition object at 0x7b182927cfb0>)
|
| id |
7 |
| polymer_type_id |
1 |
| size_major_axis_nm |
1500.0 |
| size_minor_axis_nm |
1500.0 |
| morphology_id |
4 |
| crystallinity_pct |
60.0 |
| surface_area_m2_per_g |
3.5 |
| zeta_potential_mv |
-30.0 |
| hydrophobicity_log_d |
3.5 |
| surface_functionalization |
Smooth, pristine surface; no weathering. |
| protein_corona_potential |
|
| origin |
Primary |
| weathering_state |
1 |
| degradability_notes |
PE biodegrades extremely slowly; will persist in the environment. |
| density_g_per_cm3 |
0.95 |
| reference_material_id |
|
| detection_method |
Optical microscopy + Raman |
| refractive_index |
1.51 |
| reliability_rating |
reliable |
| detection_method_notes |
PE microbeads are easily identified by optical microscopy and Raman spectroscopy. |
| source_id |
3 |
| notes |
Primary PE microbead from pre-ban cosmetic products. Still present in the environment. |
| created_at |
2026-05-16 05:30:24.903693 |
| updated_at |
2026-05-16 05:30:24.903693 |