The present invention provides, in various embodiments, compositions and methods for strengthening glass without heat or chemical processing of the glass itself. The compositions of the present invention are emulsions comprising polymer colloid particles that are functionalized with an organosilicon compound. The polymer colloid particles can fill surface defects in the glass due to their size being smaller than the surface defects, and the functional groups thereon can react with the surface of the glass to anchor the particles in the defects.

An aqueous coating composition having good freeze-thaw stability and providing coatings with good stain resistance.

An aqueous copolymer dispersion is obtained by a multi-stage emulsion polymerization process comprising polymerizing in a reaction zone in a first polymerization stage a first monomer composition comprising at least 88 wt % of a vinyl ester of a C.sub.1 to C.sub.18 carboxylic acid and up to 12 wt % ethylene to produce a first stage polymer having Tg>20° C.; and polymerizing in the reaction zone, in a second polymerization stage and in the presence of the first stage polymer, a second monomer composition comprising a vinyl ester of a C.sub.1 to C.sub.18 carboxylic acid and a C.sub.2 to C.sub.8 alkyl ester of (meth)acrylic acid to produce a second stage polymer having Tg≤20° C. Each of the polymerization stages is conducted in the presence of a stabilizing system comprising at least 0.1 wt % of a protective colloid and at least 0.05 wt % of an ionic surfactant.

The present invention relates to aqueous polymer latexes of film-forming copolymers obtainable by aqueous emulsion polymerisation of monomers M, which comprise at least 80% by weight, based on the monomers M, of—at least one non-ionic monomer M1, which is selected from C.sub.1-C.sub.20-alkyl esters of acrylic acid, C.sub.5-C.sub.20-cycloalkyl esters of acrylic acid, C.sub.1-C.sub.20-alkyl esters of methacrylic acid, C.sub.5-C.sub.20-cycloalkyl esters of methacrylic acid and monovinyl aromatic monomers; —one or more monoethylenically unsaturated monomers M2, which are selected from monoethylenically unsaturated monocarboxylic acids having 3 to 6 carbon atoms and monoethylenically unsaturated dicarboxylic acids having 4 to 6 carbon atoms; and where the polymer latex contains an emulsifier combination comprising i. at least one first emulsifier (1), which is selected from salts, in particular from the alkali metal salts and the ammonium salts of sulfated ethoxylated C.sub.8-C.sub.20-alkanols having a degree of ethoxylation in the range from 5 to 20 and sulfated ethoxylated tristyrylphenols having a degree of ethoxylation in the range from 5 to 20, and ii. at least one second emulsifier (2), which is selected from the salts, in particular from the alkali metal salts and the ammonium salts of a sulfated ethoxylated C.sub.8-C.sub.20-alkanol having a degree of ethoxylation in the range from 21 to 50 and sulfated ethoxylated tristyrylphenols having a degree of ethoxylation in the range from 21 to 50. The present invention also relates to a process for producing such polymer latexes and to the use of these polymer latexes as binders in waterborne coating compositions which contain at least one inorganic tannin blocking compound and to the use of such coating compositions for coating tannin-containing substrates such as wood or woodbased materials.

A halogen-free, non-intumescent, fire retardant coating composition is provided, said coating composition comprising (a) a (meth)acrylate polymer, wherein the glass transition temperature Tg of the (meth)acrylate polymer is at least 45° C., measured with MDSC at 5° C./min as described in the description, (b) a polyurethane, wherein the polyurethane is based on a polycarbonate polyol, and (c) ammonium polyphosphate (APP). The coating composition has a long storage stability and results in coatings with good fire retardant properties, mechanical strength and chemical and stain resistance. The coating composition contains only halogen-free fire retardants for environmental safety and toxicity reduction. The coating composition can be used for various substrates including plastic, composite, and metal substrates, and is especially suitable for cabin coatings.

Disclosed are ethylenically unsaturated salts of allyl (poly)ether sulfates utilized as reactive surfactants or emulsifiers during emulsion polymerization.

An aqueous coating film-forming composition is provided that can be coated uniformly on a silicone rubber surface without causing repelling or coating failure even when applied to the silicone rubber surface at a film thickness of 30 μm or less, and forms an antifriction dry coating film that reduces friction and/or blocking of the substrate surface on the surface. The composition comprises (A) a solid lubricant, (B) a thickener, and (C) a silicone binder in the form of an oil-in-water silicone emulsion comprising (c1) an ionic emulsifier and (c2) a polyoxyethylene-polyoxypropylene copolymerized nonionic emulsifier. Water content is removed from the composition to form an antifriction dry coating film comprising 40 to 80 mass % of component (A), 0.50 to 10 mass % of component (B), 0.60 to 5 mass % of component (c2), and 5 to 49.5 mass % of component (C) (solid fraction). Applications thereof are also provided, e.g. airbag coatings.

A stable aqueous dispersion comprising an emulsion polymer and a specific amount of a linear siloxane, a cyclic siloxane, or mixtures thereof; an aqueous coating composition comprising the aqueous dispersion providing coatings with improved dirt pick-up resistance and long-term durability.

The purpose of the present invention is to provide a coating composition which gives a substrate excellent feel, abrasion resistance, stain resistance, flame retardancy, and weather resistance; and an article, furniture and a building interior material having a coating formed from the aforesaid coating composition. The present invention provides a coating composition comprising the following components (A) to (D): (A) an emulsion of a silicone acrylic copolymer resin which is a copolymer of 60 to 99 parts by mass of (a1) a polyorganosiloxane represented by the formula (1) and 1 to 40 parts by mass of (a2) an acrylic acid ester monomer and/or a methacrylic acid ester monomer, provided that a total amount of components (a1) and (a2) is 100 parts by mass, the emulsion being in an amount of 0.5 to 20 parts by mass as a solid content, (B) at least one resin emulsion in an amount of 20 to 80 parts by mass as a solid content, selected from the group consisting of acrylic resin emulsions other than component (A), urethane resin emulsions and alkyd resin emulsions, (C) pigment in an amount of 1 to 50 parts by mass, and (D) a flame retardant in an amount of 1 to 10 parts by mass, provided that a total mass of the solid contents of components (A) and (B) and the amounts of components (C) and (D) is 100 parts by mass.

A colored composition including a resin system, and a colorized filler. The colorized filler includes particles including a polymer. The particles have a density less than 2.6 g/cc and an average particle size from 100 microns to 600 microns.