METAL COMPLEX, AND ADSORBENT MATERIAL, OCCLUSION MATERIAL AND SEPARATION MATERIAL COMPOSED THEREOF

摘要

PROBLEM TO BE SOLVED: To provide a metal complex having excellent gas adsorption performance, gas occlusion performance and gas separation performance.SOLUTION: There is provided a metal complex which comprises a polycarboxylic acid compound, at least one metal ion selected from ions of metals belonging to Groups 2 to 13 in the periodic table and an aromatic monocarboxylic acid compound having 4 to 14 carbon atoms in the base skeleton. The metal complex has excellent adsorption, occlusion and separation abilities of gas, has excellent durability and is stably present under high temperature and high humidity and can retain a high adsorption performance.