The application discloses a high-whiteness MGO substrate, a preparation method thereof and a decorative board having the substrate. The high-whiteness MGO substrate includes a surface layer and a substrate, wherein the substrate is prepared from a forming agent, a lightweight filler, a modifier and water in parts by mass as follows: 40-49 parts of light burned magnesium oxide powder, 18-25 parts of magnesium sulfate heptahydrate, 16-25 parts of a polyvinyl alcohol solution, 16-20 parts of a plant powder, and 0.5-2 parts of a modifier; the modifier being obtained by mixing citric acid, phosphoric acid, and sodium sulfate in a mass ratio of 10:3:6.

A filler for production of cement-bound shaped bodies, comprising a material group mixture of comminuted and sorted waste materials, conditioned with chemical reagents/compounds in the presence of water, wherein the material group mixture is composed of comminuted and sorted waste materials, selected from the following material groups: PPK: paper, paperboard, cardboard plastics inert material textiles wood
which are mixed according with a mass-related material group vector and then comminuted.

A filler for production of cement-bound shaped bodies, comprising a material group mixture of comminuted and sorted waste materials, conditioned with chemical reagents/compounds in the presence of water, wherein the material group mixture is composed of comminuted and sorted waste materials, selected from the following material groups: PPK: paper, paperboard, cardboard plastics inert material textiles wood
which are mixed according with a mass-related material group vector and then comminuted.

A manufacturing method of a plugged honeycomb structure including a plugging material preparing step of mixing a ceramic raw material, a pore former, a thickener, an organic binder, a dispersing agent, and water and preparing the plugging material which is slurried, to form the plugging portions, wherein the plugging material preparing step includes: a powder mixing step of mixing the ceramic raw material, the pore former, the organic binder and the dispersing agent each of which is constituted of powder, at predetermined blend ratios, a thickener mixing step of adding and mixing the thickener to a powder mixture obtained by the powder mixing step, and a kneading step of adding the water to a thickener added mixture obtained by the thickener mixing step, to perform kneading.

An apparatus for continuously casting a solid member is disclosed. The apparatus comprises a mould forming support configured to form an open channel, a flexible conveyor having a feed end and a peel off end extending across the mould forming support along its length and conforming to the configuration of the mould forming support along its length to form an open channel mould, the open channel mould receiving a settable material which is displaced along the conveyor belt and forms a solid member, the mould forming support and the conveyor transitioning to a flat belt downstream of the open channel mould to facilitate separation of the solid member that is cast in the open channel mould. A method for continuously casting a solid member is disclosed.

An apparatus for continuously casting a solid member is disclosed. The apparatus comprises a mould forming support configured to form an open channel, a flexible conveyor having a feed end and a peel off end extending across the mould forming support along its length and conforming to the configuration of the mould forming support along its length to form an open channel mould, the open channel mould receiving a settable material which is displaced along the conveyor belt and forms a solid member, the mould forming support and the conveyor transitioning to a flat belt downstream of the open channel mould to facilitate separation of the solid member that is cast in the open channel mould. A method for continuously casting a solid member is disclosed.

A method and device for modifying a building panel. The building panel including a first surface comprising a facing paper and a second surface comprising a backing paper with a core of calcium sulfate hemihydrate arranged between the facing paper and the backing paper. The method including applying a solution to a predetermined portion of the facing paper, the backing paper, or the facing and backing paper to sufficiently hydrate at least a predetermined portion of the hemihydrate core to convert it to deformable calcium sulfate dihydrate. The solution including at least one alcohol and water. A predetermined force is applied to the deformable portion of the building panel. The predetermined force causing a desired deformation of the predetermined hydrated portion of the building panel. The device for modifying a building panel according to the method includes a building panel mounting structure, a liquid applicator, and a force applicator.

A method of producing a carbonated composite material includes: providing a carbonatable cementitious material in particulate form; mixing the carbonatable cementitious material with water to produce a mix; forming a predetermined shape with the mix, wherein the predetermined shape has an initial pore structure containing an initial pore solution having a first pH; pre-conditioning the predetermined shape to remove a predetermined amount of the water from the predetermined shape to produce a pre-conditioned shape; carbonating the pre-conditioned shape in an environment comprising carbon dioxide to produce a modified pore structure containing a modified pore solution having and a second pH, wherein the difference between the first pH and the second pH is represented by a ΔpH, and the ΔpH is 1.0 or less.

A method of producing a carbonated composite material includes: providing a carbonatable cementitious material in particulate form; mixing the carbonatable cementitious material with water to produce a mix; forming a predetermined shape with the mix, wherein the predetermined shape has an initial pore structure containing an initial pore solution having a first pH; pre-conditioning the predetermined shape to remove a predetermined amount of the water from the predetermined shape to produce a pre-conditioned shape; carbonating the pre-conditioned shape in an environment comprising carbon dioxide to produce a modified pore structure containing a modified pore solution having and a second pH, wherein the difference between the first pH and the second pH is represented by a ΔpH, and the ΔpH is 1.0 or less.

The plasticization device includes: a rotor rotating centered on a rotation axis by a drive motor and having a groove forming surface in which a first groove portion is formed along a rotation direction; a rotor case configured to accommodate the rotor; a barrel facing the groove forming surface and having a through hole; and a heating unit, in which a material supplied between the first groove portion and the barrel is plasticized by rotation of the rotor and heating by the heating unit to flow out from the through hole, and a side surface of the rotor has a material guiding port configured to guide the material to the first groove portion, and a second groove portion configured to feed the material supplied between the rotor and the rotor case to the material guiding port.