Lutianhua Group’s Sichuan Zhonglan Guosu New Material Science & Technology Co., Ltd. announced recently in Chengdu that a new 100 000 t/a polycarbonate (PC) industrialization demonstration project adopting non-phosgene-based melt condensation polymerization patent technology - the first Independent Intellectual Property Rights (IIPR) unit in China - was started up successfully.

The unit was constructed on April 1, 2017 and high-quality PC from it was produced on May 15, 2019. The unit is running stably, with the security and environmental-protection indices meeting standards, and the specifications of its products reaching a national superior level. The successful start-up of the project unveiled that China has had the advanced technologies in the sector.