Alkoxysilane compounds having two fluoroalkyl groups and represented by the formula (1):
wherein R
f
and R
f
′ are each a fluoroalkyl group of 1 to 10 carbon atoms, R
1
is a hydrogen atom or an aliphatic monovalent hydrocarbon group of 1 to 6 carbon atoms, R
2
and R
3
are each methyl group or ethyl group, X and Y are each an ether linkage or an ester linkage, a and b are each 0 or 1, m, n and p are each an integer of 0 to 6, q is an integer of 1 to 6, and r is an integer of 0 to 2. By treating an inorganic material with the alkoxysilane compound having ether linkage and two fluoroalkyl groups, high water and oil repellency and high sliding properties are imparted to the inorganic material. The alkoxysilane compounds are easily purified, owing to enhanced volatility by the branched structure.
具有两个氟烷基团的烷氧基
硅烷化合物,其
化学式表示为(1):其中Rf和Rf'均为1至10个碳原子的氟烷基团,R1为氢原子或1至6个碳原子的脂肪族一价碳氢基团,R2和R3均为甲基基团或乙基基团,X和Y均为醚键或酯键,a和b均为0或1,m、n和p均为0至6的整数,q为1至6的整数,r为0至2的整数。通过用具有醚键和两个氟烷基团的烷氧基
硅烷化合物处理无机材料,可以赋予无机材料高
水和油抗性以及高滑动性能。由于分支结构提高了挥发性,这些烷氧基
硅烷化合物易于纯化。