| 摘要 |
PROBLEM TO BE SOLVED: To obtain a surface treating agent which has excellent water drop slipping property and water repellency as well as a high hardness and can impart excellent stain resistance, solvent resistance and durability to a substrate surface, by making the agent contain, as indispensable components, a one- terminal functional polysiloxane and an alkoxy group containing organosilicon compd. respectively having a specific chemical structure. SOLUTION: Component A is represented by formula I (wherein R<1> -R<3> are each a 1-20C alkyl, cycloalkyl, or aryl; X is carboxyl group, hydroxylgroup, an epoxy group, amino group or the like; n is 0 or 1; m and p are each 0-10; and I is 0-1,000). An example is Silaplane (R) FM-0611 (commercial product). Component B is represented by formula II (wherein R<4> is 1-20C alkyl, cycloalkyl or aryl, either unsubstd. or replaced with a halogen, epoxy or the like; q is 0-5; r is 0 or 1; and s is 0-20). An example isρ-chloropropyltrimethoxysilane. The blending ratio is 1-5,000 pts.wt. of the component B based on 100 pts.wt. of the component A.
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