| 摘要 |
<p>PURPOSE:To provide the subject deinking agent containing a specific compound, having excellent ink-capturing property, coagulation property and ink-peeling property and giving a white reclaimed paper. CONSTITUTION:The objective deinking agent contains a compound of formula (R1 is 5-30C alkyl or alkenyl; R2 and R3 are 1-30C alkyl, alkenyl, alkylphenyl having 3-20C alkyl or aralkylphenyl; A1O and A2O are polyoxyalkylene composed of polymerized 2-4C oxyalkylene molecules; a and b are numbers of >=1 to give a polyoxyalkylene having a molecular weight of >=10,000).</p> |
