Pla

Chemical compound Polylactic acid, also known as poly( lactic acid) poly, lactic, acid or polylactide ( PLA), is a (C 3H 4O 2) n or [–C(CH 3)HC(=O)O–] n, formally obtained by C(CH 3)(OH)HCOOH with loss of water (hence its name). It can also be prepared by ring-opening polymerization of [–C(CH 3)HC(=O)O–] 2, the cyclic dimer of the basic repeating unit. PLA has become a popular material due to it being economically produced from Although the name "polylactic acid" is widely used, it does not comply with Chemical properties [ ] Synthesis [ ] The monomer is typically made from fermented plant starch such as from Several industrial routes afford usable (i.e. high molecular weight) PLA. Two main monomers are used: The direct condensation of lactic acid monomers can also be used to produce PLA. This process needs to be carried out at less than 200°C; above that temperature, the entropically favored lactide monomer is generated. This reaction generates one equivalent of water for every condensation ( Another method devised is by contacting lactic acid with a zeolite. This condensation reaction is a one-step process, and runs about 100°C lower in temperature. Stereoisomers [ ] Due to the L-lactide ( PLLA) is the product resulting from polymerization of L, L-lactide (also known as L-lactide). Progress in biotechnology has resulted in the development of commercial production of the D enantiomer form. Polymerization of a L- and D-lactides usually leads to the synthesis of poly- DL-la...

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PLA 3D Printing Filament MatterHackers PLA 3D printing filament is easy to print with and always reliable. Industry leading quality control and functional testing differentiates our PLA material, resulting in printed parts that have an outstanding surface finish and are highly precise. PLA (Polylactic Acid) is the most common 3D printing material because it is easy to use and is made from renewable resources and thus, biodegradable. There are many different kinds of 3D printer filament, and each one has it's own strengths for different projects. Knowing these differences is key to a successful 3D printing experience and so we have created a Filament Comparison Guide with everything you need to know about every type of filament available. What is PLA? Polylactic acid, also known as PLA, is a thermoplastic derived from renewable, organic sources such as sugar cane or corn starch. PLA can be produced using the same equipment as regular plastics, making PLA manufacturing processes cost-efficient. Types of PLA There are many different PLA blends available, although adding materials to PLA can make 3D printing more difficult and even reduce the physical properties of PLA. Metal - Stainless steel, copper, brass, iron, and conductive metal powders can be added to PLA to create a filament that can be sanded and buffed to create prints that are extremely similar to metal in appearance and characteristics. Wood - Dyed wood fibers can be added to filament to create almost any wood-lik...