abstract |
Compounds of the general formula (I) and/or in which n represents an integer from 2 to 6, preferably 2 or 3, m represents an integer from 1 to 6, preferably 1 to 3, R represents -C(CH3)3 and X represents hydrogen or the group are used as core discoloration preventing agents in a process for the production of isocyanate-based foams. |