Coating compounds curable by means of high-energy radiation, comprising as binder A) at least one (meth)acrylic copolymer containing olefinic double bonds capable of free-radical polymerization and hydroxyl groups with a C═C equivalent weight from 100 to 10,000 and an OH-value from 20 to 250 mg KOH/g, which is prepared from monomers comprising: A1) at least one olefinically unsaturated, epoxy-functional monomer capable of free-radical polymerization, A2) at least one olefinically unsaturated, carboxy-functional monomer capable of free-radical polymerization and A3) at least one further olefinically unsaturated monomer capable of free-radical polymerization which is different from A1) and A2), and B) at least one component with free isocyanate groups and process for multilayer coating using the coating compounds

Radiation-curable coating compounds

The present invention relates to compositions for use in refrigeration, air- conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.

Compositions comprising a fluoroolefin

Compositions are provided which contain (a) one or more polysiloxanes comprising at least one reactive functional group; a plurality of particles; and, optionally, one or more curing agents comprising at least one functional group that is reactive with any reactive functional group of polysiloxane (a). Additionally, a process for applying the multi-component composite coatings described above to a substrate and coated substrates are provided. A process for preparing the coating compositions also is provided. The multi-component composite coating compositions of the invention provide highly scratch resistant color-plus-clearcoatings capable of retaining scratch resistance after weathering.

Coating compositions having improved scratch resistance, coated substrates and methods related thereto

A powder coating composition of the invention comprises a film-forming polymeric component having a d(v,50) in the range of from 25 to 50 microns or a d(v,70) in the range of from 25 to 70 microns, which composition incorporates by dry-blending at least one appearance-modifying additive component and a further component comprising wax-coated silica or consisting of alumina together with aluminium hydroxide. The appearance-modifying additive may be a gloss-reducing component, a texturing component, a metallic or mica component, a colouring pigment, or a further film-forming polymeric material compatible with the first film-forming polymeric material and differing in colouration therefrom, and the further additive may be alumina together with aluminium hydroxide or wax-coated silica together with alumina and/or with aluminium hydroxide or wax-coated silica. Preferably, no more than 70 % by volume of the particles in the film-forming polymeric material are less than 50 microns. A kit of the invention comprises the individual additive components prior to mixing. The kit allows for the flexibl production of a variety of finishes from a gloss powder coating composition, for example a matt or textured or metallic or sparkle finish or a matt textured finish, a matt metallic finish, an antique finish or a contrast texture or metallic sparkle finish.

Powder coating compositions

The present invention provides improved compositions and methods for sealing pipe in a well bore. The compositions which harden into highly resilient solid masses having high strengths are basically comprised of a hydraulic cement, an aqueous rubber latex, an aqueous rubber latex stabilizing surfactant and silica hydrophobicized with silicon oil.

Resilient well cement compositions and methods

Cured coatings having a high degree of extensibility, gloss retention, good sprayability and other desirable properties are obtained from compositions made by reacting (A) an organic polyisocyanate; (B) a hydroxy-containing material selected from the group consisting of saturated polymeric diols having low glass transition temperatures, saturated low molecular weight diols, and mixtures thereof; (C) a hydroxyalkyl ester of an ethylenically unsaturated carboxylic acid; (D) one or more copolymerizable monomers; and (E) a curing agent. These compositions, when used as coatings, are durable, adherent and highly flexible. The coatings are particularly useful on resilient and rubbery substrates such as EPDM rubber, foam rubber, polyurethane foam, and on metal surfaces, such as mild steel and aluminum.

Composition useful in making extensible films

Dispersions containing crosslinked acrylic polymer microparticles having a particle size of from 0.1 to 10 microns are produced in relatively high concentrations by a method comprising the free radical addition copolymerization of at least one monoethylenically unsaturated monomer with alpha, beta-ethylenically unsaturated monocarboxylic acid and crosslinking monomer selected from the group consisting of (1) epoxy group-containing compound and (2) a mixture of alkylenimine and organoalkoxysilane in the presence of a dispersion stabilizer and an aliphatic hydrocarbon dispersing liquid in which the crosslinked polymer particles are insoluble. The crosslinked acrylic polymer microparticles are useful as additives to protective and decorative coatings.

Method of preparing dispersions of gelled polymeric microparticles and products produced thereby

Disclosed is an essentially solvent-based, organic, high-solids coating composition containing (A) a film-forming binder system containing a crosslinkable resin having a weight average molecular weight of from 300 to 15,000; (B) an organo-modified clay dispersed in the coating composition; and (C) a solvent system for the crosslinkable resin Also disclosed is an essentially solvent-based, organic, high-solids coating composition containing (A) a film-forming binder system containing a crosslinkable resin; (B) an organo-modified clay dispersed in the coating composition; (C) a solvent system for the crosslinkable resin; and (D) organic polymeric microparticles which are insoluble in the solvent system for the crosslinkable resin and which have a diameter in the range of from about 001 to about 10 microns

High-solids coating composition for improved rheology control containing organo-modified clay

A NON-AQUEOUS PSEUDO-DISPERSION OF POLYMERIC PARTICLES IS FORMED BY POLYMERIZING AT LEAST ONE ETHYLENICALLY UNSATURATED MONOMER IN A DISPERSING LIQUID OF ALIPHATIC HYDROCARBON AND AN ACTIVE SOLVENT FOR THE POLYMER IN THE PRESENCE OF A POLYMERIZABLE ETHYLENICALLY UNSATURATED CARBOXYLIC ACID, AN IMINE, AND A DISPERSION STABILIZER WHICH IS A BRANCHED COPOLYMER HAVING TWO TYPES OF POLYMERIC COMPONENTS OF WHICH ONE TYPE IS SOLVATED BY THE DISPERSING LIQUID AND THE OTHER TYPE IS AN ANCHOR POLYMER OF DIFFERENT POLARITY TO THE FIRST TYPE AND BEING RELATIVELY NON-SOLVATABLE BY THE DISPERSING LIQUID AND BEING CAPABLE OF BEING ANCHORED TO THE POLYMERIZED PARTICLES OF THE ETHYLENICALLY UNSATURATED MONOMER AND SAID ANCHOR POLYMER CONTAINING PENDANT GROUPS CAPABLE OF COPOLYMERIZING WITH ETHYLENICALLY UNSATURATED MONOMERS. THE RESULTING POLYMER IS STABLE UPON THE ADDITION OF LARGE AMOUNTS OF ACTIVE OR COALESCING SOLVENTS. IN ADDITION TO THE IMPORTANCE OF THIS POLYMER AS A PROTECTIVE COATING, IT IS AN EXCELLENT DISPERSANT FOR THE GRINDING OF PIGMENTS AND ESPECIALLY CARBON BLACK PIGMENTS.

Non-aqueous polymeric pseudo-dispersion

Resinous compositions useful as coating compositions comprise blends of hydroxyfunctional polymers; organoalkoxy silane crosslinking agents represented by the formula: R.sub.n Si(OR').sub.4-n wherein R is an aryl, alkaryl, aralkyl, alkyl having 1 to 8 carbon atoms, XR 4 -- or ##STR1## RADICAL, WHEREIN R 1 is hydrogen or an alkyl radical of 1 to 6 carbon atoms, R 2 is a member selected from the group consisting of alkylene radicals of 1 to 7 carbon atoms and carbonyloxy radicals represented by the formula: ##STR2## wherein R 3 is an alkylene radical of 1 to 6 carbon atoms, wherein R 4 is an alkylene radical of 1 to 6 carbon atoms, a cycloalkylene radical, or an arylene radical and X is a functional group selected from the group consisting of --OH, --SH, ##STR3## halogen, NH 2 --, ##STR4## and NH 2 --CH 2 --CH 2 --NH--, and wherein R' is methyl, ethyl, 2-methoxyethoxy, 2-ethoxyethoxy, m is 0 or 1 and n is 0, 1 or 2; and cure accelerating catalysts. Hydroxyfunctional polymers such as hydroxyfunctional acrylic polymers, polyesters and polyurethanes are particularly useful. Organic acids, metallic salts of organic acids and organic bases are useful cure accelerating catalysts.

Samuel Porter

Papers

Composition useful in making extensible films

Method of preparing dispersions of gelled polymeric microparticles and products produced thereby

High-solids coating composition for improved rheology control containing organo-modified clay

Non-aqueous polymeric pseudo-dispersion

Coating compositions composed of hydroxyfunctional polymers or copolymers and alkoxysilanes