A catalyst containing a quaternary ammonium salt represented by the following general formula (1) is used as a catalyst for dissociation of a blocking agent.
[In the formula, each of R
1
to R
3
represents an aliphatic hydrocarbon group having 1 to 8 carbon atoms or an aromatic hydrocarbon group having 6 to 14 carbon atoms; R
4
represents an aliphatic hydrocarbon group having 9 to 20 carbon atoms; X represents at least one member selected from the group consisting of a phosphate group, a borate group, a hydrogencarbonate group, a monoalkylcarbonate group and a carbonate group; a is an integer in the range of 1 to 3; and b is an integer in the range of 1 to 3.]
一种催化剂包含一个由以下通用公式(1)表示的季
铵盐,用作分解阻塞剂的催化剂。【在公式中,R1至R3中的每一个代表具有1至8个碳原子的脂肪烃基或具有6至14个碳原子的
芳香烃基;R4代表具有9至20个碳原子的脂肪烃基;X代表选择自
磷酸盐、
硼酸盐、
碳酸氢盐、单烷基
碳酸盐和
碳酸盐组成的至少一种成员;a是在1到3范围内的整数;b是在1到3范围内的整数。】