METHOD OF CLEANING LIQUID CRYSTAL RESIN MELT POLYMERIZATION APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide a method of cleaning a liquid crystal resin melt polymerization apparatus which easily removes cleaning residues and the like attached to the inner side of the liquid crystal resin melt polymerization apparatus and does not adversely affect the discharge of a liquid crystal resin after cleaning. SOLUTION: The method of cleaning a liquid crystal resin melt polymerization apparatus is characterized in cleaning the liquid crystal resin melt polymerization apparatus with the use of a cleaning composition composed of 100 pts.wt. glycols and 0.01-35 pts.wt. alkali compound.