Abstract: A surface-treating agent containing a fluoropolyether group-containing silane compound and an amide compound, wherein the amide compound is contained in an amount of 0.5% by mass or more based on a total amount of the surface-treating agent. Also disclosed is a pellet including the surface-treating agent; and an article including a substrate and a layer formed of the surface=treating agent disposed on the substrate.

Abstract: A problem to be solved by this disclosure is to provide a composition, preferably a composition for forming a liquid-repellent coating film.

Abstract: An antifogging coating material composition containing: a polymer obtained by polymerizing a raw material monomer including: (a) an alkylene oxide-containing monomer represented by the formula (I): CH2?CX1—CO—Y1—(R1O)n—R2 wherein the symbols are as defined herein and (b) a fluoroalkyl group-containing monomer represented by the formula (II): CH2?CX2—CO—Y2—Z2—Rf wherein the symbols are as defined herein. Also disclosed is an article including a base material and a layer formed from the antifogging coating material composition on a surface of the base material, as well as a polymer obtained by polymerizing the monomers (a) and (b).

Abstract: An object, of the present invention is to provide a new liquid-repellent coating film. This object can be achieved by a coating film that has a fluorine content of less than 1 wt %, a water contact angle (droplet: 2 ?L) of 115° or more, and a water contact angle of 300° or more after surface friction with a PET film (under a load of 100 gf/cm2; 1500 reciprocations); and that satisfies at least one of the following regarding surface roughness indices: (a) an average surface roughness Ra of 1.6 ?m or more; and (b) a Wenzel roughness factor of 1.2 or more.

Abstract: A transparent article having a face provided with a nano structure, wherein a top part of the nano structure has hydrophobic properties and a remaining part of the nanostructure confers antifog properties to said face of said transparent article.

Abstract: An article having a nanotextured surface with hydrophobic properties, said nanotextured surface comprising an array of pillars (71) defined by a surface fraction (?s) of the pillars, a pitch (P) of the pillars and an aspect ratio (H/2R) of the pillars, wherein: —the surface fraction (s) is equal or greater to 2% and equal or less to 80%; —the pitch (P) is equal or less to 250; —the aspect ratio (H/2R) is equal or less to 2.4, where H is the height of the pillars and R is the radius of the pillars; —the pitch (P), the height (H), the radius (R) are expressed in nanometers (nm); —the nanotextured surface comprises at least partially a hydrophobic material.

Abstract: An article having a nanotextured surface with hydrophobic properties, said nanotextured surface comprising an array of pillars (71) defined by a surface fraction (?s) of the pillars, a pitch (P) of the pillars and an aspect ratio (H/2R) of the pillars, wherein: —the surface fraction (s) is equal or greater to 2% and equal or less to 80%; —the pitch (P) is equal or less to 250; —the aspect ratio (H/2R) is equal or less to 2.4, where H is the height of the pillars and R is the radius of the pillars; —the pitch (P), the height (H), the radius (R) are expressed in nanometers (nm); —the nanotextured surface comprises at least partially a hydrophobic material.

Abstract: A thin film forming an intermediate layer for an optical article including liquid crystals, the thin film including a main body limited by a first main surface and by a second main surface opposed to the first main surface, the first and second main surfaces both including a first zone exhibiting alignment properties for aligning liquid crystals along a predetermined alignment direction and a second zone forming spacing structures extending in projection from the first zone.

Abstract: The present invention concerns a manufactured article comprising at least one 1 nanostructured surface, wherein: said nanostructured surface is made of a material having a surface energy of less than 25 m J/m2, preferably less than 20 m J/m2, and comprises an array of contiguous cells defining cavities, the cavities of the cells being separated from each other by intermediate solid 20 material walls, and the cavities have an average height (H) and an average radius (R) which meet the conditions: R?5 nm, preferably R?10 nm; 2 R?250 nm, preferably R?200 nm, better R?150 nm and more preferably R?100 nm; and H?3R. The invention concerns also a method for designing a nanostructured surface comprising an array of juxtaposed cells defining cavities separated from each other by solid 30 intermediate walls.