Poly(lactic-co-glycolic acid) (PLGA) belongs to the class of polyester biodegradable materials, with the medical field being its largest consumer
Poly(lactic-co-glycolic acid) (PLGA), also known as polylactic acid-poly(glycolic acid), refers to a copolymer formed by the random polymerization of two monomers, lactic acid and glycolic acid. PLGA is a biodegradable material with good biocompatibility and non-toxicity, and is widely used in the medical field.
Polyester biodegradable materials include PLGA, polycaprolactone (PCL), polylactic acid (PLA), polyhydroxyalkanoate (PHA), etc. Compared with other polyester biodegradable materials, PLGA has advantages such as a short biodegradation half-life, excellent encapsulation ability, and good film-forming properties. It has been widely used in many fields. With the accelerated development of the polyester biodegradable materials industry in the future, PLGA will usher in a broad market prospect.
The preparation methods of PLGA include bulk polymerization and direct melt polymerization. Bulk polymerization involves using hydrogen-containing substances as initiators, organic metal compounds as catalysts, and lactic acid and glycolic acid as raw materials to produce the finished product through polymerization reactions. This method has advantages such as simple operational procedures and low operating costs, and is suitable for the preparation of mid-to-low-end PLGA. Direct melt polymerization involves using lactic acid and glycolic acid as raw materials, and producing the finished product through mixing, water removal, polymerization, purification, and other processes. This method has advantages such as good product quality and environmental friendliness.
According to the "In-depth Research Report on the Global and Chinese Poly(Lactic-Co-Glycolic Acid) (PLGA) Industry in 2024" released by the New Thought Industry Research Center, the medical field is the largest demand side for PLGA, which can be used in vaccine delivery systems, drug delivery systems, gene therapy vectors, and tissue engineering.
In vaccine delivery systems, PLGA can effectively enhance the immune effect, stability, and persistence of vaccines, and is often used as a vaccine carrier; in drug delivery systems, after encapsulating drugs, PLGA can effectively prolong the duration of drug efficacy and control drug release; in gene therapy vectors, it can be used for targeted gene therapy delivery; in tissue engineering, it can be used to manufacture tissue engineering scaffolds, which can promote the regeneration and repair of cellular tissues.
The global PLGA market is primarily concentrated in Europe, America, and Japan. Leading companies in this market include Evonik Industries AG from Germany, Corbion from the Netherlands, and Mitsui Chemicals from Japan. These companies collectively account for nearly 80% of the global market share. Domestically, as the industry's prosperity continues to grow, several Chinese companies have entered the research and development as well as production sectors of the PLGA industry. These companies primarily include Smic Biotech, Sainuobange, Haishan Technology, and Aimeijie.
Industry analysts from New Thoughts have stated that with the increasing demand for medical biodegradable materials, the development of the PLGA industry is accelerating. In the future, with further research and technological advancements, the production and quality of PLGA will be further improved. In terms of market competition, overseas companies currently dominate the global PLGA market. However, with the continuous efforts of local enterprises, the market share of domestically produced PLGA in China will increase in the future.
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