PDLA
Products made of poly-D-propyleneglyceride are biocompatible and can be used in the medical field, such as disposable infusion appliances, no-disassembly surgical sutures; controlled-release and slow-release packaging agents for drugs; tissue engineering scaffolds, bone fixation and bone repair materials, microcapsules for injection, microspheres, implants and animal organ support elastomers.
Product Index:
| Test Items | Detection Method | Testing requirements |
| Appearance | Visual Inspection | White or light brown solid |
| Intrinsic Viscosity | Ubbelohde Viscometer Method | 0.3-5.0dL/g |
| Molecular Weight Distribution | GPC | ≤2.0 |
| Specific Optical Rotation | Polarimeter Chloroform 0.01g/mL | 155°~160° |
| Water Content | Karl Fischer moisture Analyzer | ≤0.5% |
| Ash Content | Gb/T9345.1-2008 | ≤0.5% |
| Monomer Residue | GC | ≤2% |
| Solvent Residue | HS-GC-MS | ≤1000ppm |
| Tin Residue | AAS | ≤150ppm |
| Heavy Metals（pb） | Heavy Metal Inspection Method | ≤10ppm |
| Glass Transition Temperature | Melting point | Dry weight loss | Residue on Ignition | Heavy metal Total content (Pb) | Catalyst residue | Monomer residue | Solvent residue |
| 60～65℃ | 170～180℃ | ≤0.5% | ≤0.5% | ≤10ppm | ≤150ppm | ≤2% | 0.1% |
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