Abstract:
The present invention provides a paint formulation comprising a binder dispersion and a hydrophobically modified alkali-swellable emulsion. The wet weight ratio of the binder dispersion to the hydrophobically modified alkali-swellable emulsion is from 1:3 to 1:10. The binder dispersion comprises by dry weight based on total dry weight of the binder dispersion, from 0.1% to 80% of polymer particles, and from 0.1% to 5% of a polysaccharide; and the hydrophobically modified alkali-swellable emulsion comprises by dry weight based on total dry weight of the hydrophobically modified alkali-swellable emulsion, from 30% to 50% of an α,β-ethylenically unsaturated carboxylic acid monomer, and from 30% to 60% of an α,β-ethylenically unsaturated nonionic monomer. The present invention further provides a process for preparing the paint formulation comprising mixing the binder dispersion with the hydrophobically modified alkali-swellable emulsion under stirring.
Abstract:
An electrically conductive substrate is electrocoated with an aqueous electrodeposition coating composition comprising a cathodically electrodepositable binder, the binder comprising an amine-functional phosphorylated resin and at least one additional coating layer, such as a second primer layer, a topcoat layer, or both.
Abstract:
The invention pertains to a method for protecting wood, wherein the wood is coated with a coating composition, wherein the coating composition is an aqueous coating composition which comprises at least one anionically stabilized latex polymer, at least one polyfunctional amine, and at least one volatile base, with the pH of the coating composition before application onto the substrate being in the range of 9.5-11. The invention further pertains to the use of such coating composition in the protection of wood.
Abstract:
A coating composition, such as an electrodepositable electrocoat primer coating composition, comprises a phosphorylated acrylic polymer, The coating provides excellent corrosion protection even without a conventional phosphate pretreatment.
Abstract:
In view of the above-discussed state of the art, it is an object of the present invention to provide a method of adhesion of conductive materials which uses a water-based ecofriendly adhesive and can give uniform adhesive layers capable of leading to constant and high levels of adhesion strength and excellent in insulating properties even in the case of molded articles and the like. A method of adhesion of conductive materials comprising the step (1) of forming an adhesive surface having an adhesive resin layer on a conductive material by an electrodeposition step with an adhesive composition and the step (2) of joining an adherend surface of an adhesion target to the adhesive surface having the adhesive resin layer obtained in the step (1), wherein the adhesive composition comprises a hydratable functional group- and unsaturated bond-containing cationic resin composition.
Abstract:
A method of stabilization of electrolyte bath in electrocoating by immersing a substrate in the bath filled with a cationic electrocoating composition containing a basic resin and an amine compound and carrying out electrocoating; wherein said basic resin in said bath contains, per 100 grams of the resin solids, 10 to 300 millimoles of sulfonium group and 50 to 2,000 millimoles of carbon-carbon unsaturated bond, and said amine compound is contained in an amount of 1 to 50 millimoles per 100 grams of the basic resin solids in the bath, said amount being not less than 5 mole percent relative to the sulfonium group content in said basic resin, so that the sulfonium group remaining in the coat amount to not more than 50% relative to the sulfonium group contained in the electrocoating composition in said bath.
Abstract:
A method of electrodeposition coating which comprises electrodepositing a water-base electrodeposition coating composition comprising an ionic group-containing resin as a film-forming vehicle on an article to be coated and then heating the coated article to form a cured coated film, wherein the ionic group-containing resin contains a functional group selected from the group consisting of hydroxysilane and alkoxysilane groups, and can be cross-linked by the condensation reaction of the functional group, and a resin composition for a water-base paint, said composition comprising a resin containing a cationic group and a functional group selected from hydroxysilane and alkoxysilane groups as a film-forming vehicle.
Abstract:
An intumescent coating composition comprising an epoxy resin binder, an epoxy reactive diluent and a curing agent, wherein the curing agent is comprised of a mixture of polyamide, polyetheramine and an amine functional monomer and wherein the coating composition has a viscosity of between 20,000 and 140,000 mPa/s at 20 °C and shear rate 1.5 s -1 . The invention also extends to a coated substrate, coated on at least a portion thereof with said intumescent coating composition.
Abstract translation:包含环氧树脂粘合剂,环氧反应性稀释剂和固化剂的膨胀型涂料组合物,其中所述固化剂由聚酰胺,聚醚胺和胺官能单体的混合物组成,并且其中所述涂料组合物的粘度为20,000至140,000 20℃时mPa / s,剪切速率1.5 s -1。 本发明还延伸到被涂覆的基材上,其涂覆在其至少一部分上与膨胀型涂料组合物。