Provided is a flame retardant and latent hardener composition including a blend of 30-100% (by weight based on total solids) of diammonium hydrogen phosphate, and dihydrogen phosphate, 0-50% (by weight based on total solids) of monoammonium. The flame-retardant/hardener composition is prepared as a solid blend or a liquid composition, the liquid composition being an aqueous composition including a liquid aqueous solution of the contents ranging from 25% w/w to 80% w/w. Methods for making flame retarded fiber boards using the composition as flame retarder and a hardener for the resin used in the production of the boards are also provided.

Provided is a flame retardant and latent hardener composition including a blend of 30-100% (by weight based on total solids) of diammonium hydrogen phosphate, and dihydrogen phosphate, 0-50% (by weight based on total solids) of monoammonium. The flame-retardant/hardener composition is prepared as a solid blend or a liquid composition, the liquid composition being an aqueous composition including a liquid aqueous solution of the contents ranging from 25% w/w to 80% w/w. Methods for making flame retarded fiber boards using the composition as flame retarder and a hardener for the resin used in the production of the boards are also provided.

A method of manufacturing a building panel with a decorative surface layer, a core and a balancing and/or protective layer, wherein the method includes applying a first layer of a first powder based mix, including wood fibres and a thermosetting binder, on a core; applying a liquid substance on the first powder based mix; drying the first powder based mix; turning the core with the dried first powder based mix such that the first powder based mix points downwards; applying a second layer on the upper part of the core; and curing the first and second layers by providing heat and pressure, wherein the first layer forms the balancing and/or protective layer and the second layer forms the decorative surface layer in the building panel.

The invention disclosures a wood composite board and a preparation method thereof, comprising: mixing wood materials with the adhesive evenly, paving the mixed wood materials on the boards, and then forming through high-temperature and hot-pressing, the wood composite board of the invention has good evenness, high surface bonding strength, low moisture content, good dimensional stability, anti-cracking and anti-thermocycling performance, can use compound adhesives such as polyurethane adhesive, formaldehyde-free biomass adhesive or formaldehyde-type adhesives, waterproofing agent, mildew preventive, etc., and by the invention, fiber finish coat with different environmental protection standards can be produced according to market requirements, and the fiber finish coat has a low thickness swelling rate of water absorption and a thickness of 0.5-3 mm.

The invention disclosures a wood composite board and a preparation method thereof, comprising: mixing wood materials with the adhesive evenly, paving the mixed wood materials on the boards, and then forming through high-temperature and hot-pressing, the wood composite board of the invention has good evenness, high surface bonding strength, low moisture content, good dimensional stability, anti-cracking and anti-thermocycling performance, can use compound adhesives such as polyurethane adhesive, formaldehyde-free biomass adhesive or formaldehyde-type adhesives, waterproofing agent, mildew preventive, etc., and by the invention, fiber finish coat with different environmental protection standards can be produced according to market requirements, and the fiber finish coat has a low thickness swelling rate of water absorption and a thickness of 0.5-3 mm.

A panel may include a substrate and a top layer provided on the substrate. The top layer may include a printed motif provided on a paper sheet and a transparent or translucent synthetic material layer. The paper sheet may be impregnated with polyurethane or polyisocyanate. The synthetic material of the transparent or translucent synthetic material layer may be polyurethane.

A panel may include a substrate and a top layer provided on the substrate. The top layer may include a printed motif provided on a paper sheet and a transparent or translucent synthetic material layer. The paper sheet may be impregnated with polyurethane or polyisocyanate. The synthetic material of the transparent or translucent synthetic material layer may be polyurethane.

A method of producing a veneered element (10), including providing a substrate (1), applying a sub-layer (2) on a surface of the substrate (1), applying a veneer layer (3) on the sub-layer (2), and applying pressure to the veneer layer (3) and/or the substrate (1), such that at least a portion of the sub-layer (2) permeates through the veneer layer (3). Also, such a veneered element (10).

A powder coating composition comprising: a) a thermoset resin comprising an acid functional polyester material, b) a thermoplastic resin and c) a crosslinker material,
wherein the coating composition is substantially free of bisphenol A (BPA), bisphenol F (BPF), bisphenol A diglycidyl ether (BADGE) and bisphenol F diglycidyl ether (BFDGE).

Wax compositions are provided with improved properties for various applications, such as coating of composite cellulosic materials, e.g., composite wood material, more specifically oriented strand board. As described herein, wax compositions include a kinematic viscosity measured at 100° C. of ≤13.1 mm.sup.2/s; and a contact angle on glass of ≤34.4°, which provide enhanced water proofing properties. The wax composition may have a flash point of greater than 450° F. Wax composition are provided with improved properties for candle jars. As described herein, candle jar wax compositions include 150N foots oil and 600N slack wax. The wax composition can include up to about 80% 150N foots oil.