B27K5/00

Accelerated Aging of Alcohol Spirits
20200248113 · 2020-08-06 ·

Alcoholic spirits may be artificially aged under highly pressurized carbon dioxide. The carbon dioxide may form carbonic acid, which may cause various esters to form in the presence of wood as well as to mellow the flavor when no wood is present. Wood may be pretreated with ozone, which may extract lignin which may further convert to vanillin during pressurized CO2 treatment, giving a vanilla note. After processing with pressurized CO2, a post-treatment of ozone may be given to the spirit, which may cause a mild oxidation and further mellowing of the spirit.

OSB (oriented strand board) wood material panel having improved properties and method for producing same
10730202 · 2020-08-04 · ·

The invention relates to a method for producing OSB wood material panels, in particular OSB wood material panels having reduced emission of volatile organic compounds (VOCs), including the following steps: a) producing wood strands from suitable woods; b) torrefying at least some of the wood strands; c) glue-coating the torrefied wood strands and non-torrefied wood strands with at least one binder; d) scattering the glue-coated wood strands onto a conveyor belt; and e) pressing the glue-coated wood strands to form a wood material panel. The invention further relates to an OSB wood material panel that can be produced in accordance with said method and to the use of torrefied wood strands to reduce the emission of VOCs from OSB wood material panels.

A COMPOSITE MATERIAL AND COMPOSITE PRODUCT

The present invention is directed to a composite material comprising a cellulosic material, high impact polystyrene (HIPS) and styrene maleic anhydride (SMA). The cellulosic material may be thermally modified prior to being incorporated into the composite material. The present invention is also directed to a composite product that comprises the composite material according to the invention.

DELIGNIFIED WOOD MATERIALS, AND METHODS FOR FABRICATING AND USE THEREOF
20200238565 · 2020-07-30 ·

A delignified wood material is formed by removing substantially all of the lignin from natural wood. The resulting delignified wood retains cellulose-based lumina of the natural wood, with nanofibers of the cellulose microfibrils being substantially aligned along a common direction. The unique microstructure and composition of the delignified wood can provide advantageous thermal insulation and mechanical properties, among other advantages described herein. The thermal and mechanical properties of the delignified wood material can be tailored by pressing or densifying the delignified wood, with increased densification yielding improved strength and thermal conductivity. The chemical composition of the delignified wood also offers unique optical properties that enable passive cooling under solar illumination.

Broken dispersion for hydrophobicizing lignocellulose-containing material
10703919 · 2020-07-07 · ·

The invention relates to a process for forming a wood-base product comprising the steps of a) providing particles of wood, b) resinating the particles of wood with a binder, c) compressing the resinated particles of wood to form a wood-base product, wherein before, during or after step b) the particles of wood and/or the binder are brought into contact with a broken dispersion. The invention also relates to the use of a polyfunctional compound as demulsifier for breaking a wax-containing dispersion. The invention further relates to a broken dispersion for hydrophobicizing lignocellulose-containing material. The invention additionally relates to a two-component system containing at least two components A and B: a wax-containing dispersion A) and a demulsifier B) having at least one functional group for breaking the wax-containing dispersion.

Corrugated board manufacturing system and corrugated board manufacturing method
10695940 · 2020-06-30 · ·

There is provided a system 1 of manufacturing a corrugated board, including: a corrugated-shape processing apparatus 4 for processing a board in a corrugated shape by curving the board; a shaping apparatus 5 for adjusting a corrugated board acquired by processing the board in a corrugated shape; and a stabilizing apparatus 6 for stabilizing the corrugated board being shaped in the corrugated shape, the corrugated-shape processing apparatus 4 including a first pressing jig 25 and a second pressing jig 27 each of which is in a roller-like shape provided on its surface with asperities to press a board into a corrugated board, being disposed facing each other, the shaping apparatus 5 including: a third pressing jig 45 and a fourth pressing jig 48 each of which has a surface with asperities in which a distance between adjacent apexes of the asperities is substantially identical to that of a surface with asperities of the corrugated board; and a heater 59, the stabilizing apparatus 6 including a fifth pressing jig 65 and a sixth pressing jig 68 each of which has a surface with asperities in which a distance between adjacent apexes of the asperities is substantially identical to that of a surface with asperities of the corrugated board after the heat-press process; and a cooling unit 69. As a result, a single board can be processed in a corrugated shape and a state of the corrugated shape can be maintained.

Corrugated board manufacturing system and corrugated board manufacturing method
10695940 · 2020-06-30 · ·

There is provided a system 1 of manufacturing a corrugated board, including: a corrugated-shape processing apparatus 4 for processing a board in a corrugated shape by curving the board; a shaping apparatus 5 for adjusting a corrugated board acquired by processing the board in a corrugated shape; and a stabilizing apparatus 6 for stabilizing the corrugated board being shaped in the corrugated shape, the corrugated-shape processing apparatus 4 including a first pressing jig 25 and a second pressing jig 27 each of which is in a roller-like shape provided on its surface with asperities to press a board into a corrugated board, being disposed facing each other, the shaping apparatus 5 including: a third pressing jig 45 and a fourth pressing jig 48 each of which has a surface with asperities in which a distance between adjacent apexes of the asperities is substantially identical to that of a surface with asperities of the corrugated board; and a heater 59, the stabilizing apparatus 6 including a fifth pressing jig 65 and a sixth pressing jig 68 each of which has a surface with asperities in which a distance between adjacent apexes of the asperities is substantially identical to that of a surface with asperities of the corrugated board after the heat-press process; and a cooling unit 69. As a result, a single board can be processed in a corrugated shape and a state of the corrugated shape can be maintained.

Methods of treatment of laminated timber

The invention relates to methods to thermally treat wood (e.g., flat-grain timber) to produce wood with enhanced color and/or weathering properties.

Flame-treated drum and method of treatment

A wooden drum shell that is treated by direct heating by exposure to a flame to alter the state of fibers in an outer layer of the drum shell relative to the untreated drum shell or inner fibers below the outermost layer. A method of manufacturing a treated drum shell includes selecting a wooden starting material, forming an untreated drum shell from the starting material, and exposing the drum untreated drum shell directly to a flame.

FINE PARTICLE SIZE BORIC ACID/UREA DISPERSION, METHOD OF USE IN ENGINEERED WOOD PRODUCT MANUFACTURE, METHOD OF COATING WOOD PRODUCTS AND PRODUCT THEREFROM
20200181448 · 2020-06-11 ·

An aqueous boric acid/urea dispersion includes insoluble boric acid particles having a median particle size range of less than 44 microns and having a % actives content of boric acid plus urea of 60 wt. % or greater. The boric acid/urea dispersion includes an effective amount of at least one viscosity reducing agent such that the boric acid/urea dispersion has an initial Brookfield 2 rpm viscosity of about 5,000 to about 25,000 centipoise and a three week aged Brookfield 2 rpm viscosity of less than 250,000 centipoise, an optional amount of an alkali metal base, the alkali metal base/boric acid mole ratio in the dispersion ranging up to about 0.01; and the balance water. The boric acid/urea dispersion can be used in the manufacture of engineered wood products like oriented strand board as well as be a part of a waterborne coating formulation to coat wood products to improve fire retardancy.