Abstract: A method of making a polymerisable ethylenically unsaturated macromonomer comprising the steps of: i) providing a chosen unsaturated non-mineral oil or a mixture of unsaturated non-mineral oils having a first blend of triglycerides, ii) treating the mixture of oils with a transesterification catalyst to produce a second blend of triglycerides different to the first, iii) reacting the second blend of triglycerides with an enophile having an acid, ester or anhydride moiety to form an adduct, iv) reacting the adduct with an ethylencially unsaturated monomer having a moiety reactive with the acid, ester or anhydride moiety of the enophile to form an intermediate, v) reacting the intermediate of step (iv) with a chain extender having at least two moieties reactive with the acid, ester or anhydride moiety of the enophile to form the ethylenically unsaturated macromonomer.

Abstract: A process for the manufacture of a powder coating comprising the steps of: Preparing a powder coating premix comprising a resin and optionally a crosslinker therefor; Feeding the premix through a melt extruder; Cooling the extruded material; and Comminuting it to fine particles, wherein said process is characterized in that between 1 and 25 wt. % (based on the weight of said premix) of a process liquid is added to the melt extruder, wherein said process liquid is immiscible with at least said resin of the powder coating premix and wherein said process liquid evaporates when the premix leaves the extruder.

Abstract: A method for the application of at least two different powder coating layers to a substrate comprising the steps of application of a first powder coating layer followed by the application of a second powder coating layer, without any substantial curing of the first powder coating layer prior to the application of the second powder coating layer, followed by the simultaneous curing of the first powder coating layer and the second powder coating layer, wherein the first powder coating layer is applied to the substrate using a corona charging system and the second powder coating layer is applied to the substrate using a tribo charging system, or the first powder coating layer is applied to the substrate using a tribo charging system and the second powder coating layer is applied to the substrate using a corona charging system and the first powder coating layer and second powder coating layer have an opposite electrostatic polarity.

Abstract: Solid pigment concentrate comprising at least one pigment and a dispersant comprising a polyamine backbone and one or more hydrophobic pendent groups, characterized in that the concentrate further comprises a non-ionic 5 surface active agent comprising polyoxyalkylene groups. The polyamine backbone can for instance comprise polyalkylene imine building blocks.

Abstract: The invention relates to a process of applying a temporary protective coating to a substrate comprising the steps of: a) providing a laminate comprising i) a flexible carrier substrate and ii) a coating layer prepared by applying by spreading, spraying or flow coating an aqueous coating composition comprising at least one water based film-forming polymer and solid particles of an amino resin based polymer to the flexible carrier substrate, and drying the applied coating composition, and b) transferring the coating from the flexible carrier substrate to a second substrate to provide the second substrate with a temporary protective coating.

Abstract: Aqueous coating composition having a PVC from 78 to 85% and free of non-fugitive coalescing solvent, comprising, based on the total volume solids of the dry coating unless otherwise stated, a) opacifying pigment particles comprising from 3 to 10% titanium dioxide and from 0 to 20% of hollow polymeric particles; b) non-opacifying extender particles comprising calcium magnesium carbonate and/or calcium carbonate and/or nepheline syenite and/or kaolin; c) polymer binder particles of calculated Fox Tg of from 5 to 25° C. having an acid value of from 15 to 65 mg KOH/g of polymer; d) dispersant having weight average molecular weight of at least 3500 Daltons, and wherein the dispersant demand of a mixture of the opacifying pigment particles, other than the hollow polymeric particles, of a) and the extender particles of b) is greater than 0.35 wt %, calculated on the weight of the titanium dioxide and extender particles; e) fugitive coalescing solvent.

Abstract: A process of making a polymerisable ethylenically unsaturated macromonomer from an unsaturated non-mineral oil, the oil being a mixture of triglycerides, some of which comprise at least one fatty acid having at least two non-conjugated unsaturated bonds at least one of which is ethylenically unsaturated, the process comprising the steps of: i) conjugating the non-conjugated unsaturated bonds, ii) reacting the reaction product of step (i) with an enophile having an acid, ester or anhydride moiety to form an adduct, iii) reacting the adduct with an ethylencially unsaturated monomer having a moiety reactive with the acid, ester or anhydride moiety of the enophile to form an intermediate iv) reacting the intermediate of step (iii) with a chain extender having at least two moieties reactive with the acid, ester or anhydride moiety of the enophile to form the macromonomer, where the oil has an iodine value of from 110 to 180 g of iodine per 100 g of oil.

Abstract: Method for applying a pattern onto a substrate, the method including the following steps: applying a layer of a paint comprising magnetically orientable pigments on the substrate; exposing the paint to a magnetic field, whereby the pigments are oriented along field lines of the magnetic field to produce a pattern in the paint layer; and solidifying the paint on the substrate; characterized in that the magnetic field is generated by a magnetic part embedded in the substrate.

Abstract: Process of colour calibrating an electronic display screen comprising the steps of displaying at least one trial colour of at least one physical sample having standardized colour on an electronic display screen, visually comparing the colour of the at least one physical sample and the at least one trial colour displayed on the electronic display screen, selecting the trial colour having the best visual match with the at least one physical sample, and using the selected trial colour on the electronic display screen having the best visual match with the at least one physical sample colour to colour calibrate the electronic display screen.

Abstract: The present invention relates to a method of a method of producing a wood-based product, comprising, in the following order: applying an adhesive composition comprising a solvent, onto the first surface only, drying and heating the adhesive composition applied to the first surface, wherein the solvent is partially dried off, and bringing together the first surface with the second surface, and pressing the two surfaces against each other.

Abstract: Embodiments of the invention relate to the determination of the colour of a colour sample from an image of the colour sample. In one embodiment a colour sample capture card is provided having printed thereon colour samples of known colour (for example, XYZ tri-stimulus values). An image of the test colour sample is then captured using domestically available equipment, such as a consumer digital camera or camera-equipped mobile telephone, the image also containing the colour sample capture card. Regression analysis is then performed using the RGB colour samples in the image and known XYZ colours thereof to characterise the colour capture response of the image capture device. In one embodiment the colour calibration characteristics are determined using N known calibration colour samples, wherein N is less than the total number of known calibration colour samples across the whole colour space.

Abstract: The invention relates to a water borne coating composition comprising a polyurethane and a polyisocyanate, wherein the composition further comprises a compound having a molecular weight of at most 1,000 and having at least two isocyanate-reactive groups, with the proviso that said compound having a molecular weight of at most 1,000 and having at least two isocyanate-reactive groups is not a poly(ethylene glycol), and that the polyurethane differs from the material formed by reaction of the polyisocyanate and the compound having a molecular weight of at most 1,000 and having at least two isocyanate-reactive groups.

Abstract: Embodiments of the invention relate to the determination of the colour of a colour sample from an image of the colour sample. In one embodiment a colour sample capture card is provided having printed thereon colour samples of known colour (for example, XYZ tri-stimulus values). An image of the test colour sample is then captured using domestically available equipment, such as a consumer digital camera or camera-equipped mobile telephone, the image also containing the colour sample capture card. In one embodiment the image is then transmitted to a remote colour determination service for colour sample colour determination. Regression analysis is then performed using the RGB colour samples in the image and known XYZ colours thereof to characterise the colour capture response of the image capture device, taking into account spatial brightness variations across the image.

Abstract: The present invention relates to a solvent-borne two-component (2K) coating composition comprising: as a first component, a dispersion comprising: a hydroxyl-functional acrylate binder; a first solvent being at least one compound selected from the group consisting of 2-propoxyethanol and 2-butoxyethanol; water in an amount from 5 to 50 wt. % by weight of the composition; and, optionally at least one further organic solvent; and, as a second component, at least one crosslinking agent. More particularly, the present invention provides a solvent-borne two-component (2K) polyurethane coating composition, wherein said second component comprises at least one crosslinking agent having isocyanate groups.

Abstract: Corrosion and chip-resistant coatings for high tensile steel components, such as automotive coil springs, can be formed from a coating composition comprising a primer having an epoxy resin with the proviso that the epoxy resin does not have an EEW of about 860 to about 930, a polyhydroxyl functional phenolic curing agent having a HEW of about 200 to about 500, and a platy filler. The primer contains less than 20 wt % zinc. The topcoat includes an epoxy resin having an epoxy equivalent weight of about 450 to about 1400, an elastomer-modified epoxy resin having an epoxy equivalent weight of about 1000 to about 1600, a foaming agent and a reinforcing fiber.

Abstract: A polymerisable ethylenically unsaturated macromonomer being the reaction product of: i) an adduct formed from the reaction of an unsaturated non-mineral oil reacted with an enophile having an acid, ester or anhydride moiety and ii) an ethylenically unsaturated monomer having a moiety reactive with the acid, ester or anhydride moiety of the enophile and iii) a chain extender material having at least two moieties reactive with the acid, ester or anhydride moiety of the enophile.

Abstract: Emulsion paint composition for obtaining special textile or suede effect comprising a filler at least partly consisting of pre-pigmented spherical aliphatic polyurethane particles particles. About 3-10% of the spherical particles has a particle size between 63-90 micrometers and 25-40% of the spherical particles has a particle size between 40-63 micrometers. Before applying the paint as a semi-opaque top coat the substrate is first coated with an opaque acrylic primer of a corresponding color and subsequently dried. The top coat is applied by brush in cross way fashion to obtain a suede effect, or it can be applied by roller, while subsequently a tool is used comprising a flat side provided with stiff parallel projecting fibers such as synthetic grass fibers, which are dragged over the fresh paint layer to obtain a linen effect.

Abstract: A stain blocking water borne coating composition is disclosed, said composition comprising (a) a styrene acrylic resin and, (b) a substituted styrene acrylate copolymer, wherein, by weight, said styrene acrylic resin is provided in excess of said substituted styrene acrylate copolymer. A method is also disclosed whereby this water-borne coating composition is applied to a substrate comprising water extractable staining agents, such as a tannin-containing open grain natural wood.

Abstract: Apparatus for thermal transfer printing of an image from a thermal retransfer sheet onto an article, includes heating means (40, 42, 44, 46) adapted to supply heated gas at a variable flow rate. Also disclosed is a method of printing an image, and the resulting printed article.