申请人:3M Innovative Properties Company
公开号:US20030228469A1
公开(公告)日:2003-12-11
Fluorinated phosphonic acid compounds, useful as treatments for substrate surfaces, have the formula:
1
wherein:
R
1
is a straight chain alkylene group having from about 3 to about 21 carbon atoms, an oxa-substituted straight chain alkylene group having from about 2 to about 20 carbon atoms, or a thia-substituted straight chain alkylene group having from about 2 to about 20 carbon atoms;
R
2
is a perfluoroalkyl group having from about 4 to about 10 carbon atoms;
R
3
is hydrogen, an alkali metal cation, or an alkyl group having from about 1 to about 6 carbon atoms; and
M is hydrogen or an alkali metal cation,
with the proviso that if R
1
is an unsubstituted straight chain alkylene group, then the sum of carbon atoms in R
1
and R
2
combined is at least 10.
氟磷酸化合物可作为基底表面处理剂,其化学式为:1其中:R1是直链烷基,其碳原子数约为3到21个,氧代取代的直链烷基,其碳原子数约为2到20个,或硫代取代的直链烷基,其碳原子数约为2到20个;R2是全氟烷基,其碳原子数约为4到10个;R3是氢、一种碱金属阳离子或一个碳原子数约为1到6个的烷基;M是氢或一个碱金属阳离子,但如果R1是未取代的直链烷基,则R1和R2的碳原子数之和至少为10。