申请人:Leatherman Mark D.
公开号:US20080167269A1
公开(公告)日:2008-07-10
The present invention provides for a composition comprising a silane having the formula:
(R
1
)(R
2
)(R
3
)Si—R
4
—Si(R
5
)(R
6
)(R
7
)
wherein
R
1
, R
2
, R
3
, R
5
, and R
6
are each independently selected from the group consisting of 1 to 6 monovalent hydrocarbon radicals, aryl, and a hydrocarbon group of 7 to 10 carbons containing an aryl group;
R
4
is a hydrocarbon group of 1 to 3 carbons;
R
7
comprises an anionic, cationic or zwitterionic substituent. The silanes of the present invention exhibit resistance to hydrolysis over a wide pH range.
本发明提供了一种组合物,其包括一个具有以下式子的硅烷:(R1)(R2)(R3)Si—R4—Si(R5)(R6)(R7)其中,R1、R2、R3、R5和R6各自独立地选择自1到6个一价碳氢基团、芳基和一个含有芳基的7到10个碳的碳氢基团;R4是一个1到3个碳的碳氢基团;R7包括一个阴离子、阳离子或双带电取代基。本发明的硅烷在广泛的pH范围内表现出对水解的抗性。