CURABLE COMPOUNDS COMPRISING COLOR INDICATORS FOR DISPLAYING THE CURING PROGRESS

摘要

The invention relates to curable compositions which are prepared from polyol components containing one or more polyols and isocyanate components containing one or more isocyanates, which compositions contain at least one indicator having at least one quinonoid group, which indicator signifies the degree of curing by a change of color. The invention also relates to a method for indicating the progress of curing in such curable compositions.