Abstract: The object of the present invention is to provide a surface treatment composition having excellent storage stability and waterdrop rolling property. The present invention provides a surface treatment composition containing a partial hydrolysate of a fluorine-containing reactive silane such as C8F17CH2CH2Si(OCH3)3 having a molecular weight of M measured by GPC, wherein the proportion of molecules with molecular weights of from 300 to at most 2M in the partial hydrolysate is less than 70%, and the proportion of molecules with molecular weights of from 6M to 100000 in the partial hydrolysate is less than 10%. The present invention also provides a method of surface treatment of glass with the surface treatment composition. The present invention also provides a substrate treated with the surface treatment composition. The present invention also provides an article incorporating the substrate such as a transport equipment.

Abstract: A fluorine-containing organic silicon compound of the following formula (1): wherein Rf is a fluorine-containing C1-20 monovalent organic group, X1 is an alkylene group, n is an integer of from 0 to 100, R is a C1-5 monovalent hydrocarbon group, X is a hydrolyzable group, and p is 0, 1 or 2.

Abstract: A substrate having at least two treated surface layers, wherein the first layer constituting the outermost layer among the treated surface layers is a layer formed by covering with a composition containing a reactive silane compound (I) which forms a surface having a rolling angle of at most 30° to water, and the second layer constituting an underlayer in contact with the first layer is a layer formed by covering with a composition (II) containing a fluorine-containing reactive silane compound (II) which forms a surface having a contact angle of at least 100° to water.

Abstract: A substrate having at least two treated surface layers, wherein the first layer constituting the outermost layer among the treated surface layers is a layer formed by covering with a composition (I) containing a predetermined organic silicon compound, and the second layer constituting an underlayer in contact with the first layer is a layer formed by covering with a composition (II) containing a fluorine-containing reactive silane compound (II) which forms a surface having a contact angle of at least 100° to water.

Abstract: A fluorine-containing organic silicon compound of the following formula (1): 1

Abstract: A composition for surface treatment, which comprises a compound of the following formula (A) and an organic solvent (B) comprising an organic compound having a fluorine atom:(R.sup.1).sub.a (R.sup.2).sub.b (R.sup.3).sub.c Si(NCO).sub.4-a-b-c (A)wherein R.sup.1 is a monovalent organic group having a carbon number of from 1 to 30;R.sup.2 and R.sup.3 are respectively a hydrogen atom or a monovalent organic group having a carbon number of from 1 to 30, which may be the same or different;a is an integer of from 1 to 3; andb and c are independently 0 or 1 and 1.ltoreq.a+b+c.ltoreq.3.

Abstract: A laminate comprising a substrate and at least one layer formed on the substrate, in which the outermost layer as a surface layer has a plurality of micropores therein and, at its surface, a flat portion and fine craters, said flat portion having a surface roughness R.sub.a of at most 3 nm and an area ratio of at least 20%.

Abstract: A surface-treated substrate which is a substrate having at least two treated surface layers, wherein the first layer constituting the outermost layer among the treated surface layers is a layer formed by treatment with a surface treating agent containing compound B of the formula (B) as an essential component, and the second layer constituting an underlayer in contact with the outermost layer is a layer formed by treatment with a surface treating agent containing compound A of the formula (A) and Si(NCO).sub.4 as essential components:(R.sup.1).sub.a (R.sup.2).sub.b Si(Z).sub.4-a-b (A)(R.sup.3).sub.c (R.sup.4).sub.d Si(NCO).sub.4-c-d (B)wherein R.sup.1 is an organic group, R.sup.2 is a hydrogen atom or an organic group, a is 1, 2 or 3, b is 0, 1 or 2, provided that 1.ltoreq.a+b.ltoreq.3, and Z is an isocyanate group or a hydrolyzable group; and R.sup.3 is an organic group, R.sup.4 is a hydrogen atom or an organic group, c is 1, 2 or 3, and d is 0, 1 or 2, provided that 1.ltoreq.c+d.ltoreq.3.

Abstract: A composition for surface treatment, which comprises the following components (I), (II) and (III) as essential components:(I) at least one compound capable of forming a coating film with a contact angle of at least 70.degree. against water;(II) a solvent capable of dissolving the component (I); and(III) a solvent having an evaporation rate lower than the component (II).

Abstract: A surface treating agent containing a silicone compound of the formula (A):(R.sup.1).sub.a (R.sup.2).sub.b (Z.sup.1).sub.3-a-b SiO--[Si(R.sup.3).sub.c (R.sup.4).sub.d (Z.sup.2).sub.2-c-d O].sub.n --Si(R.sup.5).sub.e (R.sup.6).sub.f (Z.sup.3).sub.3-e-f (A)wherein each of R.sup.1 to R.sup.6 which are independent of one another, is a hydrogen atom or an organic group, provided that at least one of R.sup.1 to R.sup.6 is an organic group;each of Z.sup.1 to Z.sup.3 which are independent of one another, is an isocyanate group or a hydrolyzable group;each of a to f which are independent of one another, is an integer of 0, 1 or 2, provided l.ltoreq.a+b.ltoreq.3, 0.ltoreq.c+d.ltoreq.2, l.ltoreq.e+f.ltoreq.3 and 2.ltoreq.a+b+c+d+e+f.ltoreq.7; andn is an integer of 0 or at least 1.

Abstract: A surface-treated substrate consisting essentially of a substrate having at least two treated surface layers wherein the first layer constituting the outermost layer among the treated surface layers is a layer formed by treating with a treating agent containing a compound (I) capable of forming a surface having a contact angle of at least 70.degree. against water, and the second layer constituting an underlayer in contact with the outermost layer is a thin film layer of a heat resistant polymer formed by treating with a treating agent containing a compound (II) capable of forming a thin film of a heat resistant polymer and fine particles of a polymer, to form a thin film and heating the thin film to thermally decompose the fine particles of a polymer.