Abstract:
An aqueous aminoplast-curable film-forming composition is disclosed. The aqueous film-forming composition is a crosslinkable composition comprising (1) a material containing a plurality of carbamate and/or urea functional groups and (2) an aminoplast crosslinking agent. The aqueous composition provides a coating with improved acid etch resistance, making the compositions particularly useful as automotive clear coats.
Abstract:
N-methylol amide-containing resinous compositions and methods of preparing them. Aqueous dispersions of the instant resinous composition containing N-methylol amides in amounts sufficient to impart self-curing at comparatively low temperatures are disclosed. The aqueous dispersions of the instant resinous compositions are useful as coating compositions; they are particularly suited to electrodeposition.
Abstract:
An un-reacted substantially formaldehyde free curable binder solution for binding loose matter consists essentially of a solution obtainable by dissolving a reducing sugar, an ammonium salt acid precursor, optionally a carboxylic acid or a precursor thereof and optionally ammonia in water.
Abstract:
A method of manufacturing a mineral fibre thermal insulation product comprises the sequential steps of:
Forming mineral fibres from a molten mineral mixture; Spraying a substantially formaldehyde free binder solution on to the mineral fibres, the binder solution comprising: a reducing sugar, an acid precursor derivable from an inorganic salt and a source of nitrogen; Collecting the mineral fibres to which the binder solution has been applied to form a batt of mineral fibres; and Curing the batt comprising the mineral fibres and the binder which is in contact with the mineral fibres by passing the batt through a curing oven so as to provide a batt of mineral fibres held together by a substantially water insoluble cured binder.
Abstract:
Provided is a composition for forming a protective film using a polymer having an imide group: that is cured under a film-forming condition not only in the air but in an inert gas; that can form a protective film having excellent heat resistance, embedding and planarization ability for a pattern formed on a substrate, and good adhesiveness to the substrate; and that can form a protective film having excellent resistance against an alkaline aqueous hydrogen peroxide. A composition for forming a protective film against an alkaline aqueous hydrogen peroxide, the composition including: (A) a polymer having a repeating unit represented by the following general formula (1A) and having at least one or more fluorine atoms and at least one or more hydroxy groups, a terminal group thereof is a group of any one of the following general formulae (1B) and (1C); and (B) an organic solvent,
wherein R1 represents any one group represented by the following formula (1D), and two or more kinds of R1 are optionally used in combination.
Abstract:
The composition contains a compound and a solvent. The compound includes a group represented by formula (1). The compound has a molecular weight of no less than 200 and has a percentage content of carbon atoms of no less than 40% by mass. In the formula (1), R1 and R2 each independently represent a hydrogen atom, a fluorine atom, a monovalent hydrocarbon group having 1 to 20 carbon atoms or a monovalent fluorinated hydrocarbon group having 1 to 20 carbon atoms, or R1 and R2 taken together represent a part of an alicyclic structure having 3 to 20 ring atoms constituted together with the carbon atom to which R1 and R2 bond; Ar1 represents a group obtained by removing (n+3) hydrogen atoms from an arene or heteroarene having 6 to 20 ring atoms; and X represents an oxygen atom, —CR3R4—, —CR3R4—O— or —O—CR3R4—.
Abstract:
There is provided a coating composition with excellent storage stability, and with excellent mar resistance for obtained coating films. The coating composition comprises a hydroxyl group-containing resin (A), a curing agent (B) and a dispersion of acrylic resin-coated silica particles (C), the dispersion of acrylic resin-coated silica particles (C) being an acrylic resin-coated silica particle dispersion obtained by reacting silica particles with a polymerizable unsaturated group (c1) and a polymerizable unsaturated monomer (c2) in a mass ratio of (c1):(c2)=20:80 to 90:10, the polymerizable unsaturated monomer (c2) including a specific polymerizable unsaturated monomer (c2-1) as at least a portion of its components, and the molecular weight of the resin covering the silica particles being 400 to 6000.
Abstract:
Production of an acrylic resin-coated silica particle dispersion that has excellent storage stability, when added to a coating material produces a coating film with excellent mar resistance: mixing and heating silica particles (A), an organic solvent (B) and a monomer having a polymerizable unsaturated group and a hydrolyzable silyl group (C) to obtain a polymerizable unsaturated group-containing silica particle dispersion (i), adding a tertiary amine (D) with a molecular weight of 120 to 380 and having a terminal alkyl and/or aryl group, to the component (i) dispersion, to obtain a polymerizable unsaturated group-containing silica particle dispersion (ii), reacting the component (ii) dispersion with a polymerizable unsaturated monomer (E), in a solid mass ratio of (ii):(E)=20:80 to 90:10, to obtain an acrylic resin-coated silica particle dispersion.
Abstract:
Provided is an aqueous liquid composition including a water-based medium containing water, a polymer having at least one type of groups selected from hydroxyl groups and amino groups, and phosphonobutanetricarboxylic acid. The polymer is at least one polymer selected from the group consisting of a polysaccharide, polyamino acid, polyvinyl alcohol, polyallylamine, polyvinylamine, a polyamidine, a polyethylenimine, and their derivatives.
Abstract:
An object of the present invention is to provide a coating composition that has excellent storage stability, achieves water and oil repellency over a long period of time, and has excellent chemical resistance and processability. To achieve this object, the present invention provides a copolymer resin (A) comprising, as constituent components, a polybasic acid component (a1); a compound (a2) containing at least one member selected from a secondary-hydroxyl-group-containing polyhydric alcohol component (a21) and a compound (a22), which generates one or more secondary hydroxyl groups by reaction with one or more carboxyl groups; and a specific fluorine-containing diol (f), the component (f) being used in a proportion of 0.1 to 30 mass %, based on the total mass of the constituent components.