Use of methylene blue as polymerization inhibitor

摘要

The present invention relates to a composition comprising a polymerizable compound with at least one conjugated unsaturated group and methylene blue to prevent premature polymerization of the polymerizable compound. Methylene blue in the present composition according to the present invention in a concentration of 10 to 5000 ppm.
The polymerizable compound is acrylic acid or an acrylic acid ester or a mixture thereof.