Polylactic Acid ( PLA )
China Polylactic Acid (PLA), Find details about China Biodegradable Resin, Polylactic Acid from Polylactic Acid (PLA)
Basic Info.
Model NO.
Biodegradable resin
Trademark
AJA
Specification
100% Biodegradable
Origin
China
Model NO.
Biodegradable resin
Trademark
AJA
Specification
100% Biodegradable
Origin
China
Product Desciption
Polylactic acid (PLA)
PLA takes annually renewable resources - corn, cassava and other plants as raw material. After fermentation by microorganisms, lactic acid will be extracted, then PLA will be produced through a process of refining, dehydration polymerization, high temperature pyrolysis and final polymerization. PLA has excellent biodegradable property. After disposal, within one year, it can be degraded into carbon dioxide and water by microorganisms in the soil, and do no harm to our environment. PLA is a kind of aliphatic polyester with basic characteristics of general micromolecule materials. PLA has good machanical properties, low shrinkage, and is competent to the application of most synthetic plastics, also it's widely used in the production of package materials, disposable tableware, household electrical appliance shell, fiber, 3D supplies etc.
Because PLA derives from renewable plant resoures but not the petroleum-based traditional plastics, so it can truely realize energy-saving and enviromental protection, and PLA is considered to be the most promising new "ecological material".
Performance indicator reference
Mechanical performance comparison
Biodegradable materials
Biodegradable materials are materials that degrade due to the action of microorganisms existing in nature, such as bacteria, molds (fungi) and algae. The ideal biodegradable material is a kind of macromolecular material with excellent service performance, which can be completely decomposed by environmental microorganisms after being discarded, and finally be inorganic and become a part of the carbon cycle in nature. Fully meet the requirements of European and American degradation.
The biodegradable materials are: polyhydroxyalkyl ester [PHA], polylactic acid [PLA], polycaprolactone [PCL], polyvinyl alcohol [PVA], polyadipic acid/butylene terephthalate [PBAT], polybutylene succinate [PBS] and the modification and copolymerization products of various biodegradable materials.
PLA takes annually renewable resources - corn, cassava and other plants as raw material. After fermentation by microorganisms, lactic acid will be extracted, then PLA will be produced through a process of refining, dehydration polymerization, high temperature pyrolysis and final polymerization. PLA has excellent biodegradable property. After disposal, within one year, it can be degraded into carbon dioxide and water by microorganisms in the soil, and do no harm to our environment. PLA is a kind of aliphatic polyester with basic characteristics of general micromolecule materials. PLA has good machanical properties, low shrinkage, and is competent to the application of most synthetic plastics, also it's widely used in the production of package materials, disposable tableware, household electrical appliance shell, fiber, 3D supplies etc.
Because PLA derives from renewable plant resoures but not the petroleum-based traditional plastics, so it can truely realize energy-saving and enviromental protection, and PLA is considered to be the most promising new "ecological material".
Performance indicator reference
| ITEM | UNIT | REFERENCE INDEX |
| Appearance | - | White or yellow cylindrical granules |
| Particle Diameter | mm | 2~4 |
| Density | g/cm3 | 1.25±0.05 |
| Monomer | % | ≤1 |
| Melt Index(190ºC 2.16kg) | g/10min | 1~30 |
| Glass Transition Temperature | ºC | 58~60 |
| Melting Point | ºC | ~160 |
| Tensile Strength at Break | MPa | ~50 |
| Tensile Modulus | GPa | 3.5~6.0 |
| Impact Strength | J/m | 10~13 |
| Item | Unit | PP | GPPS | PET | PLA |
| Density | g/cm3 | 0.90-0.91 | 1.04-1.09 | 1.3-1.4 | 1.25 |
| Melt index | g/10min | 0.2-20 | 1.5-30 | - | 1-30 |
| Tensile strength | MPa | 29.6-35 | ≥58.8 | ≥60 | ≥50 |
| Elongation | % | 200-700 | 1.0-2.5 | 30-70 | ≥5 |
| Transmittance | % | 85-88 | 88-92 | 90-92 | 90-95 |
Biodegradable materials
Biodegradable materials are materials that degrade due to the action of microorganisms existing in nature, such as bacteria, molds (fungi) and algae. The ideal biodegradable material is a kind of macromolecular material with excellent service performance, which can be completely decomposed by environmental microorganisms after being discarded, and finally be inorganic and become a part of the carbon cycle in nature. Fully meet the requirements of European and American degradation.
The biodegradable materials are: polyhydroxyalkyl ester [PHA], polylactic acid [PLA], polycaprolactone [PCL], polyvinyl alcohol [PVA], polyadipic acid/butylene terephthalate [PBAT], polybutylene succinate [PBS] and the modification and copolymerization products of various biodegradable materials.
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