Preparation of a calcium complex used as a PVC formulation stabilizer comprises reacting calcium (hydr)oxide with a beta-dicarbonyl compound in a 1-6C saturated alcohol and/or 2-6C ether

摘要

Preparation of a complex of calcium and a beta -dicarbonyl compound comprises reacting calcium (hydr)oxide with the beta -dicarbonyl compound in a solvent from 1-6C saturated alcohols and/or 2-6C ethers in a ratio of solvent to Ca (hydr)oxide of 1-10.