申请人:WITCO CORPORATION
公开号:US20020051890A1
公开(公告)日:2002-05-02
The present invention is directed to a process comprising deblocking a silane of the formula (R
I
C(═O)O)
y
C
6
R
II
6-y-z
[C
x
H
2x
Si(OR
III
)
3-a
(R
IV
)
a
]
z
where R
I
is H, CH
3
or R
V
O; R
II
is H or R
V
O; R
III
is alkyl, phenyl or acyl from 1 to 6 carbon atoms; R
IV
is hydrogen, alkyl or phenyl from 1 to 6 carbon atoms; R
V
is a linear or branched alkyl group from 1 to 4 carbon atoms; y is an integer from 1 to 3; z is an integer from 1 to 3; x is an integer from 2 to 6 and a is an integer from 0 to 2 to yield a phenolic silane. Also disclosed are processes for making a blocked silane having the above formula.
本发明涉及一种过程,包括解除公式(RIC(═O)O)yC6RII6-y-z[CxH2xSi(ORIII)3-a(RIV)a]z中的硅烷阻滞剂,其中RI是H,CH3或RVO;RII是H或RVO;RIII是1至6个碳原子的烷基,苯基或酰基;RIV是1至6个碳原子的氢,烷基或苯基;RV是1至4个碳原子的线性或支链烷基;y是1至3的整数;z是1至3的整数;x是2至6的整数,a是0至2的整数,以产生酚基硅烷。还公开了制备具有上述公式的阻滞硅烷的方法。