|Product Name:||Polylactic Acid Fiber||Size:||0.9D/1.2D/1.5D|
|Materials:||Polylactic Acid Fiber||Usage:||Paper Making|
|Color:||White||Advance:||100 Degradable, Anti-bacterial|
100 Biodegradable PLA Fiber,
1.3D Polylactic Acid Fiber,
PLA Fiber White
1.3D 1.5D 2D 6MM 9MM 12MM Short Cut 100 Biodegradable PLA Fiber White
PLA Degradable Fiber 1.5D For Medical Nonwoven
1 . Descriptions:
Now that we know what it is used for, let’s examine some of the key properties of Polylactic Acid. PLA is classified as a “thermoplastic” polyester (as opposed to “thermoset”), and the name has to do with the way the plastic responds to heat. Thermoplastic materials become liquid at their melting point (150-160 degrees Celsius in the case of PLA). A major useful attribute about thermoplastics is that they can be heated to their melting point, cooled, and reheated again without significant degradation.
Instead of burning, thermoplastics like Polylactic Acid liquefy, which allows them to be easily injection molded and then subsequently recycled. By contrast, thermoset plastics can only be heated once (typically during the injection molding process). The first heating causes thermoset materials to set (similar to a 2-part epoxy) resulting in a chemical change that cannot be reversed. If you tried to heat a thermoset plastic to a high temperature a second time it would simply burn. This characteristic makes thermoset materials poor candidates for recycling
2 . Specifications:
|2||Tenacity at break||cN/dtex||3.5|
|3||Elongation at break||%||38.27|
|9||Dry thermal shrinkage||%||5|
3 . Advantages:
PLA production consumes carbon dioxide, and it is derived from renewable resources such as sugarcane, corn, potatoes, cassava, wheat, and rice.
PLA can be recycled as it can be broken down to its original monomer by a thermal depolymerization process or by hydrolysis. The outcome is a monomer solution that can be purified and used for subsequent PLA production without any loss of quality.
However, the recycling infrastructure for PLA hasn’t been scaled up yet, mainly because end markets for the recycled material haven’t been developed.
Polylactic Acid is principally made through two different processes: condensation and polymerization. The most common polymerization technique is known as ring-opening polymerization. This is a process that utilizes metal catalysts in combination with lactide to create the larger PLA molecules. The condensation process is similar with the principal difference being the temperature during the procedure and the by-products (condensates) that are released as a consequence of the reaction.
4 . More pictures:
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