C08G18/6216

LOW TEMPERATURE CURING OF WATERBORNE COATINGS

Described herein is an aqueous basecoat composition. Also described herein are a method of coating a substrate and use of the aqueous basecoat composition for improving the performance properties of basecoat materials.

Modified polyisocyanate

The present invention relates to a modified polyisocyanate and use thereof, in particular as a crosslinking component of water-soluble or water-dispersible coatings. The modified polyisocyanate is obtained by a reaction of a system comprising the following components: at least an aminosulfonic acid; at least a polyisocyanate; at least a tertiary amine; and optionally a polyether alcohol containing an ethylene oxide group. The modified polyisocyanate comprises at least an iminooxadiazinedione structure and at least an isocyanurate structure, the weight ratio of the iminooxadiazinedione structure to the isocyanurate structure being 1:300 to 1:5. The amount of sulfonate group of the modified polyisocyanate is 0.75% by weight to 1.1% by weight, based on the amount of the modified polyisocyanate as 100% by weight. The viscosity thereof is 500 mPa.Math.s to 10000 mPa.Math.s, as determined according to DIN EN ISO 3219:1994-10 at a temperature of 23° C. and a shear rate of 10 s.sup.−1. The coating comprising the modified polyisocyanate of the present invention can be manually stirred well, and the resulting coating layer has high gloss and good transparency.

WATER-BASED COMPOSITION WITH IMPROVED TRANSPARENCY
20220064503 · 2022-03-03 · ·

A single-component sealant or adhesive composition, including: a) an aqueous polymer dispersion comprising water and at least one water-dispersed polymer P having a median particle size D50 of less than 150 nm, b) at least one water-dispersed or water-dissolved epoxy- or carbodiimide-functional cross-linker C, wherein the pH of the composition is adjusted in the range of 7 to 12, and wherein the at least one water-dispersed polymer P is included in the composition with an amount of at least 45 wt.-%, based on the total composition, and wherein the epoxy- or carbodiimide-functional cross-linker C is included in the composition with an amount of between 0.5 and 5 wt.-%, based on the total composition.

OMNIPHOBIC POLYURETHANE COMPOSITIONS, RELATED ARTICLES, AND RELATED METHODS
20220064366 · 2022-03-03 ·

The disclosure relates to a thermoset omniphobic composition, which includes a thermoset polymer with first, second, and third backbone segments, urethane groups linking the first and third backbone segments, and urea groups linking the first and second backbone segments. The first, second, and third backbone segments generally correspond to urethane or urea reaction products of polyisocyanate(s), amine-functional hydrophobic polymer(s), and polyol(s), respectively. The thermoset omniphobic composition has favorable omniphobic properties, for example as characterized by water and/or oil contact and/or sliding angles. The thermoset omniphobic composition can be used as a coating on any of a variety of substrates to provide omniphobic properties to a surface of the substrate. Such omniphobic coatings can be scratch resistant, ink/paint resistant, dirt-repellent, and optically clear. The thermoset omniphobic composition can be applied by different coating methods including cast, spin, roll, spray and dip coating methods.

MULTILAYER COATING FILM AND METHOD FOR PRODUCING THE SAME
20210317324 · 2021-10-14 · ·

The present invention provides a coating film including a structure represented by formula (I)-1, a multilayer coating film including said coating film and a method for producing the same.

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OBJECT FORMING LIQUID, KIT FOR PRODUCING THREE-DIMENSIONAL OBJECT, AND THREE-DIMENSIONAL OBJECT PRODUCING METHOD
20210292511 · 2021-09-23 · ·

Provided is a three-dimensional object producing method including a solidified product forming step of applying an object forming liquid to a powder containing a base material and an organic material, to form a solidified product, wherein the object forming liquid contains a compound that can develop a reactively active group by application of energy.

LIQUID COATINGS INCLUDING EXPANDABLE GRAPHITE
20210189094 · 2021-06-24 ·

A method of preparing a seamless membrane over a flat or low-sloped roof, the method comprising applying multiple layers of a liquid coating composition over a roof surface, where said step of applying includes applying at least one layer of a liquid coating composition that includes expandable graphite.

WATERBORNE COMPOSITIONS CONTAINING ORGANIC ION-EXCHANGERS TO IMPROVE CORROSION RESISTANCE
20210198498 · 2021-07-01 ·

The present invention provides an anti-corrosion composition comprising an organic ion-exchanger; and a waterborne resin, wherein a substrate exposed to a halide-containing environment and having the anti-corrosion composition applied thereto has a reduced level of corrosion compared to the substrate exposed to the halide-containing environment without the anti-corrosion composition being applied. The inventive waterborne anti-corrosion composition may find use on substrates such as automotive vehicles, bridges, cranes, superstructures, offshore oil & gas rigs, pipes, tanks, ships, barges, boats, aircraft, concrete, and masonry that are exposed to halide-containing environments.

Omniphobic polyurethane compositions, related articles, and related methods

The disclosure relates to a thermoset omniphobic composition, which includes a thermoset polymer with first, second, and third backbone segments, urethane groups linking the first and third backbone segments, and urea groups linking the first and second backbone segments. The first, second, and third backbone segments generally correspond to urethane or urea reaction products of polyisocyanate(s), amine-functional hydrophobic polymer(s), and polyol(s), respectively. The thermoset omniphobic composition has favorable omniphobic properties, for example as characterized by water and/or oil contact and/or sliding angles. The thermoset omniphobic composition can be used as a coating on any of a variety of substrates to provide omniphobic properties to a surface of the substrate. Such omniphobic coatings can be scratch resistant, ink/paint resistant, dirt-repellent, and optically clear. The thermoset omniphobic composition can be applied by different coating methods including cast, spin, roll, spray and dip coating methods.

ANTIBACTERIAL-COATED PRODUCT, ANTIBACTERIAL COATING MATERIAL, METHOD FOR MANUFACTURING ANTIBACTERIAL COATING MATERIAL, AND METHOD FOR MANUFACTURING ANTIBACTERIAL-COATED PRODUCT
20210261792 · 2021-08-26 ·

An antibacterial coated product includes, on a base material, a coating film of an antibacterial coating material that contains at least composite ceramic powders containing a photocatalytic component, adsorbent component, and metal component, and a binder, wherein the antibacterial activity (JIS Z 2801:2010) of the coating film is 2.0 or higher and the requirement(s) of (1) and/or (2) below is/are satisfied: (1) with respect to the composite ceramic powder in the antibacterial coating material, the volume average dispersed particle diameter (D.sub.50) is 250 nm or smaller, and the ratio of the 90% cumulative volume particle diameter (D.sub.90) and the volume average dispersed particle diameter (D.sub.50), or D.sub.90/D.sub.50, is 1.5 or lower; and (2) the thickness of the coating film is 80 μm or smaller and the haze (JIS K 7136:2000) of the antibacterial coated product or coating film is 25 or lower.