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This molecule is essentially the cyclic dimer of lactic acid, specifically the L-isomer. Its unique structure, a six-membered ring containing two ester linkages and two methyl substituents, makes it an ideal candidate for ring-opening polymerization (ROP). This polymerization process is the cornerstone for producing polylactic acid (PLA), a highly versatile biopolymer.
The synthesis of L-Lactide typically involves the depolymerization of low molecular weight polylactic acid or the direct esterification and cyclization of lactic acid itself. Achieving high purity, often exceeding 99.5%, is crucial for subsequent polymerization to yield PLA with desired molecular weights and properties. As a leading supplier of L-Lactide, we focus on delivering this high purity, ensuring our clients can achieve optimal results in their polymer synthesis projects.
The chemical process of polymerizing L-Lactide often utilizes catalysts, such as tin(II) octoate or other metal alkoxides, to initiate the ring-opening. This reaction results in the formation of long polymer chains of PLA. The stereochemistry of the L-Lactide monomer directly influences the properties of the resulting PLA. Polymers made solely from L-Lactide are known as Poly(L-lactic acid) or PLLA, which typically exhibit higher crystallinity, leading to greater stiffness and a higher melting point compared to polymers derived from racemic DL-lactide.
Understanding the chemistry of L-Lactide is key to unlocking its full potential. Its ability to form crystalline polymers makes PLA suitable for demanding applications, including medical implants and high-strength packaging. By supplying high-quality L-Lactide, we empower researchers and manufacturers to leverage the principles of green chemistry and develop sustainable material solutions.
For those seeking to source L-Lactide for chemical synthesis and polymer research, our company, a reputable manufacturer in China, provides reliable access to this vital monomer. Our commitment to purity and consistency ensures that your scientific endeavors are built on a solid chemical foundation.
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1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.
