A bio-paint composition and a method of preparing the same can improve the physical properties of a paint by adding acrylic resins having a new composition when the paint composition containing a biomass polyurethane which is an eco-friendly material is prepared.

An object of the present disclosure is to provide a novel golf ball having excellent spin performance on approach shots. The present disclosure provides a golf ball comprising a paint film, wherein a base resin constituting an outermost layer of the paint film is a polyurethane obtained by a reaction between (A) a polyol composition containing a polyol having a side chain and (B) a polyisocyanate composition, a loss modulus (E″) at a temperature of −50° C. is 2.0×10.sup.8 Pa or more, and a loss tangent (tan δ) has a peak with a peak height of 0.1 or more and 0.5 or less in a temperature range of −60° C. or more and −20° C. or less, wherein the loss modulus (E″) and the loss tangent (tan δ) are obtained by measuring a dynamic viscoelasticity of the polyurethane under specific conditions.

An object of the present disclosure is to provide a novel golf ball having excellent spin performance on approach shots. The present disclosure provides a golf ball comprising a paint film, wherein a base resin constituting an outermost layer of the paint film is a polyurethane obtained by a reaction between (A) a polyol composition containing a polyol having a side chain and (B) a polyisocyanate composition, a loss modulus (E″) at a temperature of −50° C. is 2.0×10.sup.8 Pa or more, and a loss tangent (tan δ) has a peak with a peak height of 0.1 or more and 0.5 or less in a temperature range of −60° C. or more and −20° C. or less, wherein the loss modulus (E″) and the loss tangent (tan δ) are obtained by measuring a dynamic viscoelasticity of the polyurethane under specific conditions.

A hot-melt adhesive composition comprises a mixture of silylated polymers, a tackifying resin and a catalyst, in specific contents, having self-adhesive properties after crosslinking to moisture. A self-adhesive article comprises a support layer and at least one self-adhesive layer obtained after crosslinking to the moisture in the adhesive composition according to the invention. The self-adhesive article can be used to bond low-energy substrates, in particular plastic substrates, notably thermoplastic substrates having low surface energy.

A moisture-curable composition, including at least one organic polymer P containing reactive silane groups, between 1.0 wt.-% and 25.0 wt.-%, preferably between 2.0 wt.-% and 20 wt.-%, in particular between 2.5 wt.-% and 10 wt.-%, based on the total composition, of dimethyl or diethyl esters of aliphatic C3 to C5 dicarboxylic acids, and at least one curing catalyst for alkoxysilane groups. The moisture-curable composition is particularly suitable as elastic adhesive, coating, filler, or sealant and shows superior overpaintability, in particular with automotive topcoats or similar paints.

Provided are a waterborne polyurethane emulsion for ultra-thin polyurethane condoms having a low modulus and a high strength, and a method for preparing the emulsion, wherein the waterborne polyurethane emulsion comprises 15 to 18 parts by mass of a macromolecular diol, 4 to 6 parts by mass of a diisocyanate, 0.6 to 0.9 parts by mass of a hydrophilic chain extender, 0.4 to 0.8 parts by mass of a small-molecule chain extender, and the like. The prepared waterborne polyurethane emulsion is characterized by a low modulus, a high strength, and high resilience.

A moisture-curable composition having flame retardant properties and to the use thereof as an adhesive, sealant or coating. The composition according to the invention contains at least one moisture-reactive polymer in a proportion of 10% to 50% by weight, at least one precipitated, surface-coated aluminum trihydrate in a proportion of 30% to 60% by weight and in preferred embodiments up to 25% by weight of at least one phosphorus-containing compound and up to 20% by weight of at least one carbon additive. The inventive moisture-curable composition has excellent flame retardant properties and after curing remains resistant for a long time at high heat levels.

A system for applying a first coating composition and a second coating composition. The system includes a first high transfer efficiency applicator defining a first nozzle orifice and a second high transfer efficiency applicator defining a second nozzle orifice. The system further includes a substrate defining a target area. The first high transfer efficiency applicator is configured to expel the first coating composition through the first nozzle orifice to the target area of the substrate to form a first coating layer. The second high transfer efficiency applicator is configured to expel the second coating composition through the second nozzle orifice to the first coating layer to form a second coating layer.

A liquid dressing includes a solvent and a film-forming polymer that is dissolved in the solvent and that is made by a process including: providing an alkoxy group-containing silicone resin which is obtained by subjecting an orthosilicate compound and an acidic aqueous solution to a hydrolysis and polymerization reaction; providing an isocyanate group-containing prepolymer which is obtained by reacting a diisocyanate compound with a hydrophilic polyether diol; and subjecting the alkoxy group-containing silicone resin and the isocyanate group-containing prepolymer to a polymerization reaction so as to obtain the film-forming polymer.

A method of making an ink for use in additive manufacturing of a self-healable and shape-memorizable product includes mixing a diol with isophorone diisocyanate, dimethylacetamide, and dibutyltin dilaurate to form a first solution. The method further includes mixing the first solution with 2-Hydroxyethyl disulfide to form a second solution. The method further includes mixing the second solution with 2-Hydroxyethyl methacrylate to form a third solution. The method further includes mixing the third solution with a tributylphosphine, a photoinitiator, and a photoabsorber to facilitate additive manufacturing of the ink.