Product Description
As a leading supplier of plastics and related services, Alfa Chemistry provides a comprehensive range of high-performance polymers, including poly(D-lactic acid) (PDLA), a biodegradable and biocompatible thermoplastic derived from D-lactic acid monomers. PDLA is one of the two enantiomeric forms of polylactic acid (PLA), the other being poly(L-lactic acid) (PLLA), and represents a sustainable solution for a wide spectrum of applications across biotechnology, environmental protection, packaging, and scientific research.
- Materials: PDLA (poly(D-lactic acid))
- Appearance: White or yellowish granules
- Chemical formula: (C6H8O4)n
Product Specifications
| Item | Quality Index |
| Intrinsic Viscosity | 0.3-5 dL/g |
| Viscosity-Average Molecular Weight | 1-1,000,000 |
| Number-Average Molecular Weight | 1-1,000,000 |
| Melting Point | 175-185℃ |
| Glass Transition Temperature | 60-65℃ |
| Residual Monomer | < 1% |
| Residual Solvent | < 0.05% |
| Heavy Metals | < 10 ppm |
| Density | 1.2-1.3 g/cm³ |
| Sulfate Ash | < 0.05% |
| Catalog | Product | Intrinsic Viscosity |
| PL-PDLA-A001 | PDLA Granule | 0.30-0.50 dL/g |
| PL-PDLA-A002 | PDLA Granule | 0.50-0.70 dL/g |
| PL-PDLA-A003 | PDLA Granule | 0.70-1.00 dL/g |
| PL-PDLA-A004 | PDLA Granule | 1.00-1.50 dL/g |
| PL-PDLA-A005 | PDLA Granule | 1.50-2.00 dL/g |
| PL-PDLA-A006 | PDLA Granule | 2.00-2.50 dL/g |
| PL-PDLA-A007 | PDLA Granule | 2.50-3.00 dL/g |
| PL-PDLA-A008 | PDLA Granule | 3.00-4.00 dL/g |
| PL-PDLA-A009 | PDLA Granule | 4.00-5.00 dL/g |
Key Features and Benefits
- Excellent Biodegradability: PDLA undergoes hydrolytic degradation under physiological and composting conditions, ultimately breaking down into carbon dioxide and water.
- High Biocompatibility: PDLA is well-tolerated by biological systems, causing minimal inflammatory response.
- Controlled Crystallinity: Compared to PLLA, PDLA exhibits lower crystallinity when used alone, allowing better control over degradation rates.
- Good Mechanical Properties: PDLA offers adequate tensile strength, flexibility, and modulus for a range of load-bearing and structural applications, particularly in bone repair materials, surgical tools, and tissue scaffolds.
- Optical Purity: As a single-enantiomer polymer, PDLA exhibits high optical purity, which contributes to its ability to form stereocomplexes and fine-tune mechanical and degradation behavior for specific end-use applications.
Application Areas
The superior biocompatibility and degradability of PDLA make it an ideal material for a broad spectrum of applications, particularly where environmental impact and interaction with biological systems are critical considerations.
- Medical & Biomedical Field
- Surgical Sutures: These sutures offer excellent tissue compatibility and controlled degradation, eliminating the need for removal post-surgery and reducing patient discomfort.
- Tissue Engineering Scaffolds: Our PDLA is a prime material for fabricating tissue engineering scaffolds. These scaffolds provide a supportive matrix for the regeneration of damaged tissues, including complex structures like bone and cartilage.
- Drug Delivery Systems: PDLA serves as an advanced drug carrier for developing sustained-release or controlled-release drug delivery systems.
- Bone Repair Materials: We provide PDLA grades suitable for various bone repair materials, such as bone cement and bone screws. These materials combine strong biocompatibility with robust mechanical properties crucial for orthopedic applications.
- Environmental & Sustainable Solutions
- Eco-Friendly Packaging: As a truly biodegradable material, PDLA is integral to the production of environmentally friendly packaging materials and disposable products.
- Biodegradable Plastics: We supply PDLA as a critical component for manufacturing biodegradable plastics.
- Advanced Research Materials: Our PDLA is utilized in the preparation of microspheres and nanoparticles for diverse research applications, including sophisticated drug delivery systems and advanced cell culture studies.
- Biomaterials Research: We provide PDLA for the development of novel biomaterials, enabling researchers to thoroughly investigate their in vivo degradation behavior and intricate biocompatibility mechanisms.
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