| 摘要 |
PCT No. PCT/EP97/02758 Sec. 371 Date Aug. 3, 1998 Sec. 102(e) Date Aug. 3, 1998 PCT Filed May 28, 1997 PCT Pub. No. WO97/46504 PCT Pub. Date Dec. 11, 1997Mixtures contain (A) vinyl-containing monomers, and (B) an effective amount of a mixture inhibiting the premature polymerization of the vinyl-containing monomers during the purification or distillation and containing (i) from 0.05 to 4.5% by weight, based on the total mixture (B), of at least one N-oxyl compound of a secondary amine which carries no hydrogen atoms on the alpha -carbon atoms and (ii)from 99.95 to 95.5% by weight, based on the total mixture (B), of at least one nitro compound, and a mixture (B) is used for inhibiting the premature polymerization of monomers.
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