| polymer_type |
<app.db.schema.PolymerType object at 0x71ff90706210>
|
| morphology |
<app.db.schema.Morphology object at 0x71ff90833920>
|
| source |
<app.db.schema.LiteratureSource object at 0x71ff90707620>
|
| chemical_loads |
|
| matrix_entries |
(<app.db.schema.MatrixComposition object at 0x71ff90706600>)
|
| id |
10 |
| polymer_type_id |
8 |
| size_major_axis_nm |
100000.0 |
| size_minor_axis_nm |
80000.0 |
| morphology_id |
6 |
| crystallinity_pct |
5.0 |
| surface_area_m2_per_g |
4.5 |
| zeta_potential_mv |
-12.0 |
| hydrophobicity_log_d |
3.9 |
| surface_functionalization |
Porous, pitted surface with adhered mineral dust. |
| protein_corona_potential |
|
| origin |
Secondary |
| weathering_state |
3 |
| degradability_notes |
PUR is resistant to degradation; may fragment mechanically over time. |
| density_g_per_cm3 |
1.2 |
| reference_material_id |
|
| detection_method |
µRaman spectroscopy |
| refractive_index |
1.55 |
| reliability_rating |
reliable |
| detection_method_notes |
PUR is detectable by µRaman and FTIR, though distinguishing PU types requires MDI/TDI marker analysis. |
| source_id |
3 |
| notes |
PUR foam particle from construction/insulation material debris. |
| created_at |
2026-05-16 05:30:24.903694 |
| updated_at |
2026-05-16 05:30:24.903694 |