| 摘要 |
<p>PURPOSE: An onium salt composition containing onium salt and organic base is provided to maintain stability in handling and long-term preserving. CONSTITUTION: An onium salt composition contains onium salt of chemical formula 1(Q^+ A^-) and organic base. In chemical formula 1, Q^+ is onium ion and A^- is PF_6^-. The composition additionally contains a solvent. The onium ion is quarternary ammonium anion or quarternary phophonium anion. The organic base is tertiary amine or tertinary phosphine.</p> |
