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): CH.sub.2═CX.sup.1—CO—Y.sup.1—(R.sup.1O).sub.n—R.sup.2 wherein the symbols are as defined herein and (b) a fluoroalkyl group-containing monomer represented by the formula (II): CH.sub.2═CX.sup.2—CO—Y.sup.2—Z.sup.2—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).

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): CH.sub.2═CX.sup.1—CO—Y.sup.1—(R.sup.1O).sub.n—R.sup.2 wherein the symbols are as defined herein and (b) a fluoroalkyl group-containing monomer represented by the formula (II): CH.sub.2═CX.sup.2—CO—Y.sup.2—Z.sup.2—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).

The present invention pertains to a coating film, and more particularly, to an antifogging coating film having excellent antifogging properties, ability to retain antifogging properties, and water resistance. The coating film according to the present invention contains a metal oxide (A) and a hydrophilic compound (B), wherein the elemental concentration ratio (C1s/M), which is between the element C and a metal element and which is obtained from a metal (M) spectrum derived from the metal oxide and a C1s spectrum in an elemental analysis of the surface using XPS, is within the range of 0.2-10. The relative elemental concentration of the element C obtained from a C1s spectrum derived from carbon-oxygen bonds and/or carbon-nitrogen bonds in elemental analysis of the surface using XPS may be within the range of 5-50 atomic %. The metal oxide may be colloidal silica. The coating film according to the present invention can be particularly preferably used as an antifogging coating film and a coating film for automotive exterior parts.

Process for reducing fogging from high melt strength polypropylene (HMS-PP) obtained by heat treating polypropylene at a temperature between 150 C. and 300 C. in the presence of a dialkyl peroxydicarbonate, said process involving the introduction of an anhydride to said high melt strength polypropylene.

A coating composition for imparting a hydrophobic film on a target surface is provided that includes a quaternary ammonium silane, a polyalkylene glycol, and an optional solid lubricant. A kit is also provided that includes an applicator having the above composition applied and instructions for the composition to a blade of a windshield wiper of a vehicle to impart the hydrophobic film to the vehicle windshield contacted by the blade.

An anti-fogging and anti-fouling laminate, including: a substrate; and an anti-fogging and anti-fouling layer on the substrate where a surface of the anti-fogging and anti-fouling layer is flat, wherein the anti-fogging and anti-fouling layer is a cured product obtained by curing an active energy ray curable resin composition through an active energy ray, wherein the active energy ray curable resin composition includes a hydrophilic monomer having a radically polymerizable unsaturated group and a photopolymerization initiator, wherein a content of the hydrophilic monomer having a radically polymerizable unsaturated group in the active energy ray curable resin composition is 60% by mass or more, and wherein a surface of the anti-fogging and anti-fouling layer has a pure water contact angle of 90 or more.

The invention relates to a vehicle utilizing a LiDAR sensor system for driver assistance systems. A composition consisting of a thermoplastic material based on polycarbonate is used here for forming the substrate layer of a cover for the sensor with respect to the surroundings. The cover has a specific topcoat layer in order to achieve high abrasion resistance and weathering stability.

The present invention provides a surface treatment technology that gives excellent surface functionality to surfaces of a variety of large-area substrate materials. According to the present invention, when precursor solution containing an organosilane and a metal alkoxide is coated on a substrate material to form a polymerization initiator layer by a sol-gel process, a polymerization initiator group-containing organosilane having a formula: XR.sup.1-(Ph).sub.k-(R.sup.2).sub.mSiR.sup.3.sub.nR.sup.4.sub.3-n (X stands for a halogen atom, R.sup.1 stands for an alkylene group having 1 to 3 carbon atoms, Ph stands for a phenylene group, R.sup.2 stands for a C1 to C10 alkylene group optionally via an oxygen atom, R.sup.3 stands for an alkoxy or chloro group having 1 to 3 carbon atoms, R.sup.4 stands for an alkyl group having 1 to 6 carbon atoms, k is 0 or 1, m is 0 or 1, and n is 1, 2 or 3) is used as the organosilane.

The invention relates to a method for preparing an optical system item having a non-zero radius of curvature and coated with an interference coating. Said method includes: a) providing a thermoplastic film coated with a multilayer interference coating containing at least one layer having a refractive index of greater than 1.65 and at least one layer having a refractive index of less than or equal to 1.65, at least one of the interference coating layers being a vacuum-deposited organic/inorganic layer, b) laminating said coated thermoplastic film, by means of an adhesive layer, onto an optical system item including a substrate, and c) recovering said optical system item, including a substrate coated with the adhesive layer, from the thermoplastic film and the multilayer interference coating.

A coating formed on a surface of a base material, the coating composition containing an ionic polymer (a), a hygroscopic agent (b) and a solvent, the hygroscopic agent (b) being a granular crosslinked product of a monovalent metal salt of a poly(meth)acrylic acid and being contained in an amount of 75 to 700 parts by mass per 100 parts by mass of the ionic polymer (a), and the coating having a haze of 5% or less and a maximum surface roughness Ra (JIS B-0601-1994) of 0.1 m or less.