Qixiang Tengda continues to enhance the independent innovation capability of the enterprise and attaches great importance to the application, protection and management of intellectual property rights. Currently, Qixiang Tengda has 7 invention patents and 18 utility model patents. Among them, the method for preparing tert-butanol by hydration of isobutylene in the C4 component, the method for preparing isobutylene by the cracking of methyl tert-butyl ether, the process for removing sulfide in diisobutyl phthalate, the method of hexahydrophthalic acid The preparation process of diisobutyl phthalate, etc., is at the leading domestic level in this industry.
The company has always insisted on promoting industrial development with technological innovation, and has gradually formed a set of core technologies in production practice. Among them, the most typical are methyl ethyl ketone production technology and maleic anhydride production technology. The "Technological Innovation Project for the Production of Methyl Ethyl Ketone by the Dehydrogenation of Sec-Butanol" passed the scientific and technological achievement appraisal organized by the Department of Science and Technology of Shandong Province in 2010 and reached the domestic advanced level; the "New Methyl Ethyl Ketone Catalyst R&D and Process Research Project" passed the Shandong Provincial Economic Information in 2015 The appraisal of scientific and technological achievements organized by the Commission has reached the domestic leading level.
Four projects including "DIBP Hydrogenation Production D and E" passed the scientific and technological achievement appraisal organized by Shandong Provincial Economic and Information Commission in 2014, reaching the domestic leading level. Among them, the process of preparing DIBE by catalytic hydrogenation using DIBP as a raw material breaks the technological monopoly of the hydrogenation of D and P to produce DlBE in foreign countries.
