Patent classifications
B05D7/542
Solvent-borne coating compositions, coatings formed therefrom, and methods of forming such coatings
A coating composition includes: (a) a carboxylic acid functional polyol polymer; (b) a melamine-formaldehyde crosslinker reactive with the carboxylic acid functional polyol polymer; (c) an acid catalyst; and (d) a non-aqueous liquid medium. The carboxylic acid functional polyol polymer has an acid value within a range of from 30 to 120 mg KOH/g and a hydroxyl value within a range of from 60 to 150 mg KOH/g. The melamine-formaldehyde crosslinker includes imino and methylol groups that together make up 35 mole % or less of the total functionality of the melamine-formaldehyde crosslinker, and butyl groups and isobutyl groups that together make up 5 mole % or greater of the total functionality of the melamine-formaldehyde crosslinker. The coating composition cures at a temperature of 100 C. or less.
Composite Coatings Having Improved UV and Paint Stripping Resistivity and Methods for Making Same
A composite structure having a co-curable or co-cured coated epoxy-based composite material coated with a co-curable epoxy-based adhesive surfacing material layer and a polyurethane-based coating material layer, along with components and large objects including the co-curable or co-cured coated epoxy-based composite structures.
GLOVE AND A METHOD FOR PRODUCING THE SAME
The present disclosure relates to a glove with both flock-lined and unlined interior surfaces The glove generally comprises a hand region including a palm portion and a dorsal portion; a thumb region and four individual digit regions projecting away from one end of the hand region; and a cuff region extending outwardly from another end of the hand region opposing to the thumb region and the four individual digit regions. The cuff region terminates to a terminal end defining an opening for insertion of a user hand therein. Preferably, the hand region comprises flock lining on at least the interior surface of the palm portion or one or more selected areas on the interior surface of the palm portion. The cuff region is free from having any flock lining.
Aqueous coating composition and method for forming a coating film
The objective of the present invention is to provide an aqueous coating composition which has excellent curability at low temperatures. The present invention provides an aqueous coating composition which contains an aqueous resin having a hydroxyl group and a carboxyl group (A), a water-dispersible blocked polyisocyanate compound (B), a hydrophilicized carbodiimide compound (C), and an aqueous polyurethane resin (D), wherein the aqueous resin having a hydroxyl group and a carboxyl group (A) has a hydroxyl value of 80 to 200 mgKOH/g and an acid value of 10 to 40 mgKOH/g in terms of resin solid content, the aqueous polyurethane resin (D) has a glass transition point (Tg) of 50 C. or less, and a cured film of the aqueous polyurethane resin (D) has an elongation at break of 400% or more at 20 C.
Method for Producing an Abrasion-Resistant Wood Composite Board, and Production Line Therefor
A method for producing an abrasion-resistant wood-based panel with a top side and a bottom side, wherein at least one decorative layer, in particular as a printed decoration, is provided on the top side, includes applying at least one first resin layer to the at least one decorative layer on the top side of the wood-based panel, uniformly scattering abrasion-resistant particles onto the first resin layer on the top side of the wood-based panel; wherein the first resin layer on the top side of the wood-based panel provided with the abrasion-resistant particles is not dried after application, and applying at least one second resin layer to the first, moist resin layer provided with the abrasion-resistant particles on the top side of the wood-based panel, then drying the assembly of first resin layer and second resin layer on the top side of the wood-based panel in at least one drying apparatus.
Powder coating method and coated article
The invention relates to a method of coating an article and to a coated article. A method according to the invention comprises: providing a substrate coated with a first powder coating layer; optionally heating the substrate and first layer so as to at least partially melt or soften the first powder coating layer, wherein said first powder coating layer is not or only partially cured; applying a second powder coating layer on said first layer; and curing said first and second layer.
Water-based coating composition, method for forming multi-layer coating film, and article having multi-layer coating film
A water-based coating composition and method for forming a multi-layer coating film by which it is possible to form a coating film 5 having excellent smoothness, image clarity, and chipping resistance in a 3C1B format. The composition is characterized by containing 7 to 60 mass % of an acrylic resin emulsion (a), 10 to 60 mass % of a film-forming resin (b), and 10 10 to 50 mass % of a curing agent (c), on the basis of the total mass of the solid resin content in the composition; the acrylic resin emulsion (a) having a core/shell structure where the core section contains, as a copolymer component, 0.1 to 10 mass % of a polymerizable unsaturated 15 monomer having two or more polymerizable unsaturated groups in one molecule, on the basis of the total mass of monomer of the core section, and the hydroxyl value of the core section is 50 to 200 mgKOH/g, and the hydroxyl value of the shell section is 50 to 200 mgKOH/g.
Hydrophilic Lubricating Coating for Medical Catheters and Its Preparation Method
The invention discloses a photocured medical catheter hydrophilic lubricating coating and a preparation method thereof. The hydrophilic lubricating coating comprises a primer coating and a lubricating coating. The primer coating is attached to the surface of a device, and the lubricating coating is attached to the primer coating. The primer coating comprises 1-10 parts by weight of one or more polyester acrylates, 50-90 parts by weight of one or more solvents, 0.5-5 parts by weight of one or more photoinitiators, 0.5-2 parts by weight of one or more wetting agents and 0.5-5 parts by weight of one or more reactive (or active) diluents. The lubricating coating comprises 1-10 parts by weight of one or more water soluble macromolecules, 1-5 parts by weight of one or more crosslinking (or crosslinked) macromolecules, 0-1 part by weight of one or more photoinitiators, 0.1-1 part by weight of one or more surfactants and 50-98 parts by weight of one or more solvents. The preparation method of the hydrophilic lubricating coating is simple and easy in operation. Substance residues caused by complicated high-temperature chemical reactions are avoided. The cured coating forms a crosslinking (or crosslinked) structure, has good adhesion on the surface of a medical catheter and has excellent and lasting lubricity in an aqueous medium. The friction coefficient of the surface of the medical catheter is reduced. Harm to human tissues and adhesion of macromolecules in blood are decreased.
COATING METHOD AND COATING FILM
A coating method in which a first coating composition is applied to the surface of an object to be coated to obtain a first uncured coating film, a second coating composition is applied to the first uncured coating film to obtain a second uncured coating film, and the first uncured coating film and the second uncured coating film are then cured simultaneously by heating, wherein the first coating composition contains a hydroxyl group-containing resin component and the second coating composition contains an isocyanate component containing a triisocyanate represented by general formula (I) (in the formula, the multiple Y.sup.1 each independently are a single bond or a C1-20 divalent hydrocarbon group which optionally contains one or more selected from the group consisting of an ester group and an ether group, and R.sup.1 is a hydrogen atom or a C1-12 monovalent hydrocarbon group) and the above-mentioned hydroxyl group-containing resin component, is provided.
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Culinary utensil provided with a hybrid coating and process for producing such a utensil
Provided is a utensil including a support having two opposite faces, at least one of which is provided with a sol-gel coating including at least one sol-gel layer that is present in the form of a continuous film of a sol-gel material including a matrix of at least one metal polyalkoxylate. Said utensil additionally includes a hybrid sol-gel coating including at least one screen-printed sol-gel layer completely or partially covering said sol-gel coating, said first hybrid sol-gel layer consisting of a hybrid sol-gel material including a matrix formed from a first hybrid sol-gel composition including at least one silicone resin and at least one silane and/or at least one metal alkoxide. Also provided is a process for producing such a utensil.