Polylactic acid manufacturers

PLA

Polylactic acid (PLA) is a type of biodegradable and bioactive thermoplastic polymer. It is made from renewable resources, primarily starches derived from crops like corn or sugarcane. PLA has gained popularity as an environmentally friendly alternative to traditional petroleum-based plastics because it is derived from renewable sources and is compostable, making it less harmful to the environment.

Characteristics

Biodegradability: PLA is biodegradable, which means it can be broken down by microorganisms over time. This property makes it an attractive choice for environmentally friendly products.
Renewable Resource: PLA is derived from plant-based sources, such as corn or sugarcane, which are annually renewable. This contrasts with petroleum-based plastics, which rely on finite fossil fuel resources.
Versatility: PLA can be processed and molded into various forms, including films, fibers, and 3D printing filament. It is used in a wide range of applications, such as packaging materials, disposable cutlery, food containers, textiles, and more.
Biocompatibility: PLA is considered biocompatible, which means it is safe for contact with food and can be used in medical devices and implants.
Strength and Rigidity: PLA exhibits good strength and rigidity for a biodegradable material, although it may not be as durable as some traditional plastics.
Temperature Sensitivity: PLA has a lower heat resistance compared to some other plastics, which can limit its use in high-temperature applications.
Composting: PLA is compostable under specific conditions. It typically requires an industrial composting facility with controlled temperature and humidity levels to break down efficiently. It may not compost as readily in home composting systems.

Applications

1. Packaging Materials: PLA is used to manufacture biodegradable and compostable packaging materials such as films, bags, and containers. It is particularly popular for single-use food packaging and shopping bags.
2. Disposable Cutlery and Tableware: PLA-based utensils, plates, cups, and straws are used in the food service industry as an eco-friendly alternative to traditional plastic items.
3. Textiles and Apparel: PLA fibers can be used to make textiles for clothing, including sportswear and activewear. These textiles are breathable and have moisture-wicking properties.
4. Medical Devices: PLA is biocompatible and can be used in the production of medical devices such as sutures, surgical mesh, drug delivery systems, and orthopedic implants.
5. Biodegradable Films: PLA films are used in agriculture as mulch films, which eventually break down into harmless components, reducing plastic waste in farming.
6. 3D Printing: PLA is a popular material for 3D printing due to its ease of use, low toxicity, and biodegradability. It is widely used by hobbyists, educational institutions, and industries for prototyping and manufacturing various objects.

7. Dental Materials: PLA is used in the production of dental products such as temporary crowns and bridges, as it is biocompatible and can be easily molded.
8. Biodegradable Toys: PLA can be used to make biodegradable and non-toxic toys and children's products.
9. Filament for 3D Printing: PLA filament is commonly used for 3D printing various objects, including prototypes, artistic creations, and functional parts.
10. Consumer Goods: PLA can be used in the manufacturing of consumer goods like phone cases, sunglasses frames, and home goods due to its versatility and biodegradability.
11. Environmental Initiatives: PLA is used in various environmental initiatives, such as biodegradable trash bags and compostable food containers, to reduce plastic waste in landfills and oceans.
12. Films and Coatings: PLA can be used as a biodegradable alternative to conventional plastic films and coatings for various applications, including wrapping materials and disposable protective coverings.

Technical Data Sheet

Properties	Values	Unit	Method
Melt Flow Index(2.16Kg/190ºC)	70	gm/10min	ISO 1133
Specific Gravity	1.240	ppm	Literature Value
Moisture Content(Temp.120 ºC/ 10Min.)	<140	MMP	Coulometric Karl-Fischer
Island Trading	Helen Bennett	UK	UK
Melting Temp	175	°C	DSC
Glass Transition Temp	60	°C	DSC
Tensile Modulus	3500	MPa	ISO 527
Tensile Strength	50	MPa	ISO 527
Elongation at Break	<5	%	ISO 527
Appearance	Crystalline White Pellets		Visual
Biobased Content	100	%
Compostable	Yes

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