Provided is a method for preparing a structure directing agent (SDA) for crystalline molecular sieve synthesis comprising the steps of (a) hydrolyzing analkyl sulfate counterion of a quaternary ammonium salt to produce an organic ammonium salt having a hydrogen sulfate counterion; and (b) contacting the organic ammonium salt having the hydrogen sulfate counterion with a source of hydroxide in solution to form an organic ammonium salt having a hydroxide counterion; wherein the organic ammonium salt is a structure directing agent (SDA) for crystalline molecular sieve synthesis.
提供了一种制备用于晶体
分子筛合成的结构定向剂(
SDA)的方法,包括以下步骤:(a)
水解季
铵盐的烷基
硫酸盐反离子,以产生具有
氢硫酸盐反离子的有机
铵盐;和(b)将具有
氢硫酸盐反离子的有机
铵盐与溶液中的氢氧化物源接触,形成具有氢氧化物反离子的有机
铵盐;其中有机
铵盐是用于晶体
分子筛合成的结构定向剂(
SDA)。