| 摘要 |
<p>Novel N-oxyl compounds represented by general formula (1) (wherein n is an integer of 1 to 18; R?1 and R2¿ are each hydrogen or methyl, provided at least either is hydrogen; R?3, R4, R5 and R6¿ are each a linear or branched alkyl; and R7 is hydrogen or (meth)acryloyl). These compounds exhibit even at high temperature satisfactory polymerization-inhibiting effects against vinyl monomers such as α, β-unsaturated carboxylic acids and esters thereof, when added thereto even in a small amount.</p> |
