Thermoplastic Biodegradable Polymer Polylactic Acid PLA CAS 26023-30-3 Polymerization Of Lactic Acid CAS NO.26023-30-3

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Thermoplastic Biodegradable Polymer CAS 26023-30-3 Polymerization Of Lactic Acid Polylactic Acid PLA

 

Polylactic acid (PLA) is a biodegradable polymer derived from renewable resources such as corn starch or sugarcane. It has the CAS number 26023-30-3. Here's a description, specification, and application of PLA:

 

Description:

Polylactic acid (PLA) is a thermoplastic polymer that is produced by the polymerization of lactic acid. It is a biodegradable and compostable material with a transparent or translucent appearance. PLA can be processed into various forms, including films, fibers, and molded products, and it can exhibit different properties based on its molecular weight and stereoisomer composition.

 

Technical data:

• Chemical Name: Polylactic Acid
• Common Name: PLA
• Molecular Formula: (C3H4O2)n
• Function: Biodegradable polymer, thermoplastic
• Source: PLA is derived from renewable resources, primarily corn starch or sugarcane.
• Appearance: PLA is typically a translucent or transparent solid, but it can also be produced in various colors.
• Physical Properties:
  • Melting Point: The melting point of PLA ranges from approximately 150 to 170 °C (302 to 338 °F), depending on the specific grade and processing.
  • Glass Transition Temperature (Tg): The glass transition temperature of PLA is typically around 55 to 60 °C (131 to 140 °F).
  • Density: PLA has a density ranging from approximately 1.2 to 1.4 g/cm³.
• Mechanical Properties:
  • Tensile Strength: The tensile strength of PLA can range from 40 to 70 MPa, depending on the specific grade and processing.
  • Young's Modulus: The Young's modulus of PLA is typically around 2 to 4 GPa.
  • Elongation at Break: PLA can exhibit elongation at break ranging from 5% to 10%.
• Biodegradability: PLA is considered biodegradable under certain conditions, such as composting facilities with specific temperature and humidity conditions.
• Processing: PLA can be processed using various methods, including injection molding, extrusion, blow molding, and 3D printing (additive manufacturing).
• Applications: PLA is used in a wide range of applications, including packaging materials, disposable cutlery, food containers, films and coatings, textiles, medical implants, and 3D printing.

 

Application:

PLA has a wide range of applications across different industries. Here are some common applications of PLA:

1. Packaging: PLA is commonly used in packaging materials such as films, trays, and containers. It offers good clarity, barrier properties, and heat sealability, making it suitable for various food and beverage packaging applications.

2. Textiles and Fibers: PLA can be processed into fibers and textiles, offering an eco-friendly alternative to conventional synthetic fibers. PLA fibers are used in applications such as apparel, home textiles, upholstery, and non-woven fabrics.

3. Disposable Products: PLA is utilized in the production of disposable items like cutlery, cups, plates, and food service trays. These products are biodegradable and compostable, making them a more sustainable alternative to traditional single-use plastics.

4. Medical and Healthcare: PLA finds application in the medical field for products such as surgical sutures, drug delivery systems, and tissue engineering scaffolds. PLA's biocompatibility and biodegradability make it suitable for various medical applications.

5. 3D Printing: PLA is a popular material for 3D printing due to its ease of use, low toxicity, and biodegradability. It is widely used in prototyping, product development, and small-scale production of 3D printed objects.

6. Agricultural Films: PLA films are used in agriculture for applications such as mulching films and greenhouse films. These films can help retain moisture, control weed growth, and provide biodegradability at the end of the crop cycle.

 

Specification

Appearance	white Crystalline Powder
Assay	≥99.0%
Magnesium	≥5.0%
Loss on drying	≤2.0%
Residue on ignition	≤0.1%
Methionine	60.0%
Lead (Pb)	≤0.002%
Arsenic (As)	≤0.0005%

 

 

Packaging	1kg-15kg packing	2 PE bag inside + 1 foil bag outside in carton
	25kg-50kg packing	2 PE bag inside + 1 foil bag outside in drum
	Other packing	Customized packing
Drum Size	D38cm*H60cm or customized, 25 kg/ drum
Shipping	1-50kg	International Express	Fast and convenient	Door to Door
	50-500kg	Air Transportation	Fast and cheap	To Air Port
	Above 500kg	Sea Transportation	Cheap and convenient	To Port

 

 

 

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