C08G18/0823

Anti-corrosion coating composition

Provided is a humic acid-based coating suspension comprising humic acid, particles of an anti-corrosive pigment or sacrificial metal, and a binder resin dissolved or dispersed in a liquid medium, wherein the humic acid has a weight fraction from 0.1% to 50% based on the total coating suspension weight excluding the liquid medium. Also provided is an object or structure coated at least in part with such a coating.

TEXTILE PRINTING

The present disclosure includes a textile printing system including a fabric substrate and an ink composition. The ink composition can include water, organic co-solvent, from 0.5 wt % to 15 wt % pigment with a dispersant associated with a surface thereof, and from 0.1 wt % to 30 wt % of polyurethane particles including sulfonated- or carboxylated-diamine groups and isocyanate-generated amine groups.

Coating Compositions Containing Acid Functional Polyol Polymers and Coatings Formed Therefrom

A coating composition includes: (a) an acid functional polyol polymer having an acid value of greater than 9 mg KOH/g and less than 60 mg KOH/g, and a hydroxyl value of from 100 to 300 mg KOH/g; (b) a non-aminoplast derived crosslinker reactive with the acid functional polyol polymer; and (c) a non-aqueous liquid medium. Further, an equivalent ratio of functional groups on the crosslinker reactive with hydroxyl functional groups to hydroxyl functional groups on the acid functional polyol polymer is within a range of from 0.5 to 1.5. The coating composition is substantially free of an external catalyst. The coating composition cures at a temperature of less than 80° C.

GLOVE
20220015477 · 2022-01-20 · ·

The present invention provides a glove having a coating formed of a urethane resin composition including a urethane resin (A) and water (B). The urethane resin (A) is produced using a polycarbonate polyol (a1-1) as a raw material. The coating has a 500% modulus of 7 MPa or less. Example urethane resins used as the urethane resin (A) preferably include: a urethane resin produced using a polycarbonate polyol (a1-1) and polytetramethylene glycol (a1-2) as raw materials at a specified mass ratio; and/or a urethane resin produced using a polycarbonate polyol (a1-1) and a compound (a1-4) as raw materials at a specified mass ratio, the compound (a1-4) having a number average molecular weight of less than 500, a branched structure, and 2 to 4 hydroxyl groups.

Polyurethane dispersions

The present disclosure is drawn to polyurethane dispersions. In one example, a polyurethane dispersion can include a polyurethane with a polymeric ionic side chain and a polymeric non-ionic side chain. The polyurethane can be formed of polymerized monomers including a diisocyanate, a first polymeric diol, and a second polymeric diol. The first polymeric diol can include a first polymer chain replacing a hydrogen atom of a thiol group of a 1-thioglycerol molecule. The first polymer chain can include a block of a polymerized ionic group-containing vinyl monomer. The second polymeric diol can include a second polymer chain replacing a hydrogen atom of a thiol group of a 1-thioglycerol molecule. The second polymer chain can include a block of a polymerized non-ionic vinyl monomer, and the second polymer chain can be devoid of ionic groups.

LAMINATE AND FOOD PACKAGING MATERIAL
20230295876 · 2023-09-21 ·

A laminate includes a paper substrate, an anchor coat layer disposed at a one-surface side of the paper substrate, and a barrier coat layer disposed at a one-surface side of the anchor coat layer. The paper substrate has a density of 0.72 g/cm.sup.3 or more. The barrier coat layer contains a gas barrier polyurethane resin.

AQUEOUS PRIMER COATING
20220010167 · 2022-01-13 ·

The present invention relates to novel coatings which are applied from an aqueous phase to substrates such as plastics, and which are overlaid with other coatings. These coatings are characterized by particularly good adhesive strength, in particular on plastics, and are thus particularly commercial.

Aqueous polyurethane dispersions

Process for the preparation of aqueous polyurethane dispersions, containing from 20 to 50% by weight of an anionic polyurethane having a mean particle size from 1 to 15 micron and providing films with durable low gloss aspect.

ORGANIC BARRIER FILM, PREPARATION METHOD OF ORGANIC BARRIER FILM, AND QUANTUM DOT DEVICE
20210347957 · 2021-11-11 ·

Disclosed are an organic barrier film, a preparation method of the organic barrier film, and a quantum dot device. The organic barrier film includes a substrate layer, an adhesive layer, and an oxygen barrier layer that are sequentially stacked. The oxygen barrier layer includes polyvinyl alcohol, and chemical cross-linking is formed between the adhesive layer and the oxygen barrier layer.

POROUS LAYER CONSTITUENT AND PRODUCTION METHOD THEREFOR

The present invention relates to a porous layer structure containing a base material and a polyurethane porous layer formed on the base material, wherein a moisture permeability A of the porous layer structure measured by JIS L1099 A-1 (calcium chloride method) is 2000 to 10000 g/(m.sup.2.Math.24h), a moisture permeability loss rate obtained by a predetermined formula from a moisture permeability B of the base material alone measured by JIS L1099 A-1 (calcium chloride method) and the moisture permeability A is 75% or less, and a peel strength at a bonding surface between the base material and the polyurethane porous layer is 0.7 kgf/inch or more.