| abstract |
The present invention relates to an additive composition for controlling and inhibiting the polymerization of monomers comprising styrene, the composition comprising (a) at least one quinone methide derivative, wherein the composition further comprises at least one tertiary amine, The amine is preferably a mixture of (i) triisopropanolamine (TIPA), (ii) N, N, N ', N'-tetrakis And the like. In one embodiment, the invention relates to a process for its preparation and its use, and to a method for controlling and inhibiting polymerization of monomers comprising styrene. |