申请人:——
公开号:US20020085976A1
公开(公告)日:2002-07-04
The present invention relates to a process for preparing zeolites using quaternary ammonium cations having the following formula as structure directing agents:
1
wherein:
X is —H, methyl, —F, —Cl, —F and —Cl, or methoxy;
R
1
and R
2
are each methyl or ethyl; R
1
and R
2
together are —(CH
2
)
x
— where x is 2, 3, 4, or 5; or R
1
and R
2
together are methylated or dimethylated —(CH
2
)
y
— where y is 3, 4, or 5; and R
3
, R
4
and R
5
are each methyl or ethyl, or one of R
3
, R
4
or R
5
is methyl and the other two together are —(CH
2
)
z
— where z is 4, 5, 6 or 7;.
本发明涉及一种使用季铵阳离子作为结构导向剂制备沸石的方法,所述季铵阳离子具有以下公式:1其中:X为—H、甲基、—F、—Cl、—F和—Cl、或甲氧基;R1和R2均为甲基或乙基;R1和R2在一起为—(CH2)x—,其中x为2、3、4或5;或者R1和R2在一起为甲基化或二甲基化的—(CH2)y—,其中y为3、4或5;而且R3、R4和R5均为甲基或乙基,或者R3、R4或R5之一为甲基,而另外两个在一起为—(CH2)z—,其中z为4、5、6或7。