Polyglycolic acid (PGA) is a novel biodegradable resin. To mass-produce high-molecular-weight PGA on an industrial scale, Kureha Corporation has developed a new process for obtaining high yields of the intermediate glycolide (GL) with high levels of purity. Using the obtained GL, we developed a method to polymerize high-molecular-weight PGA continuously. A commercial production plant is now in operation. We have also developed various new applications that utilize its characteristics. The use of PGA in shale gas and oil exploration is of interest because PGA can supply ultra-strong and biodegradable materials.
- Kazuyuki Yamane
- Hiroyuki Sato
- Yoshiki Shigaki
