B27N9/00

METHOD FOR PRODUCING A WOODEN COMPOSITE BOARD, AND DEVICE FOR PRODUCING A WOODEN COMPOSITE BOARD
20240391131 · 2024-11-28 ·

The disclosure relates to a method for producing a wood-based material panel with the steps: producing a raw wood-based material panel which includes a first lateral surface and a second lateral surface that runs parallel to the first lateral surface, and edge surfaces that connect the lateral surfaces to each other; applying a liquid containing a flame retardant at least to the first lateral surface; and applying a negative pressure to the second lateral surface so that the liquid containing the flame retardant is sucked into a peripheral zone of the raw wood-based material panel, and/or applying an overpressure to the first lateral surface so that the liquid containing the flame retardant is pressed into a peripheral zone of the raw wood-based material panel, resulting in the wood-based material panel.

PROCESS FOR THE MANUFACTURE OF A LIGNOCELLULOSIC FIBRE-BASED COMPOSITE MATERIAL USING FORMULATED PLANT SEED PELLETS AND COMPOSITE MATERIAL OBTAINED BY SUCH PROCESS
20240376317 · 2024-11-14 ·

The present invention relates to a process for the manufacture of a lignocellulosic fibre-based composite material comprising the steps of: providing a lignocellulosic material and providing formulated plant seed pellets (S11), the formulated plant seed pellets comprising a plant seed material and at least one additive; defibrating the lignocellulosic material and defibrating the formulated plant seed pellets, and obtaining a fibrous mix (S1) comprising the defibrated lignocellulosic material and the defibrated formulated plant seed pellets; blending the fibrous mix with a resin (S2) to form a composite mixture; and curing (S3) the composite mixture, thereby forming the lignocellulosic fibre-based composite material.
A preferred application of this process is the manufacture of fibreboards, such as MDF.

PROCESS FOR THE MANUFACTURE OF A LIGNOCELLULOSIC FIBRE-BASED COMPOSITE MATERIAL USING FORMULATED PLANT SEED PELLETS AND COMPOSITE MATERIAL OBTAINED BY SUCH PROCESS
20240376317 · 2024-11-14 ·

The present invention relates to a process for the manufacture of a lignocellulosic fibre-based composite material comprising the steps of: providing a lignocellulosic material and providing formulated plant seed pellets (S11), the formulated plant seed pellets comprising a plant seed material and at least one additive; defibrating the lignocellulosic material and defibrating the formulated plant seed pellets, and obtaining a fibrous mix (S1) comprising the defibrated lignocellulosic material and the defibrated formulated plant seed pellets; blending the fibrous mix with a resin (S2) to form a composite mixture; and curing (S3) the composite mixture, thereby forming the lignocellulosic fibre-based composite material.
A preferred application of this process is the manufacture of fibreboards, such as MDF.

Fireproof water-resistant wood chip material and method of its production
12138823 · 2024-11-12 · ·

A wood chip material, especially a fireproof water resistant wood chip material, especially a fireproof water resistant wood chip material to make oriented strand boards which consists of a mixture containing 30 to 43 weight percent of wood chips, 53 to 61.9 weight percent of an aqueous solution of silicate, 2 to 5 weight percent of aluminium hydroxide, 1 to 3 weight percent of water, 0.1 to 1 weight percent of a stabilizer of the aqueous solution of silicate, and a hardener of the aqueous solution of sodium silicate in the concentration of 0.5 to 5 weight percent to the pure aqueous solution of sodium silicate providing always that the density of the aqueous solution of sodium silicate ranges from 1370 to 1400 kg/m.sup.3 and the SiO.sub.2 to NA.sub.2O molar ratio in the aqueous solution of sodium silicate ranges from 3.2 to 3.4. A method of production of a wood chip material, especially method of production of a fireproof water resistant wood chip material, especially method of production of a fireproof water resistant wood chip material to make oriented strand boards according to which, as the first step, the aluminium hydroxide is mixed with water, then wood chips are added into the mixture and everything is stirred thoroughly in such a manner that a wood chip mixture is formed, then the stabilizer of the aqueous solution of sodium silicate is added in the aqueous solution of silicate and after that the hardener of the aqueous solution of sodium silicate is admixed in this solution. Then the solution is stirred for 1 to 10 minutes until a binding solution is formed. Then the wood chip mixture is poured, at continuous stirring, in the binding solution and everything is stirred thoroughly again. Then the resulting mixture is poured in the place of application.

ZOSTERA MARINA FIBER OBJECT WITH IMPROVED ACOUSTIC AND THERMAL PROPERTIES

A method for producing a Zostera marina fiber object includes mixing natural fibers with a solid binding agent and a fire retardant, heating the mixture above a melting and/or softening point temperature of the binding agent, forming the mixture into the shape of the natural fiber object and applying a coating of the fire retardant to the surface of the natural fiber object.

ZOSTERA MARINA FIBER OBJECT WITH IMPROVED ACOUSTIC AND THERMAL PROPERTIES

A method for producing a Zostera marina fiber object includes mixing natural fibers with a solid binding agent and a fire retardant, heating the mixture above a melting and/or softening point temperature of the binding agent, forming the mixture into the shape of the natural fiber object and applying a coating of the fire retardant to the surface of the natural fiber object.

CELLULOSE-BASED INSULATION AND METHODS OF MAKING THE SAME
20250019964 · 2025-01-16 · ·

A method for making cellulose-based fire resistant insulation. The insulation includes a plurality of superstructures that establish voids in the insulation. The insulation may be blown in place while the superstructures maintain the void portion of the insulation. The insulation is made with fiber residuals, either alone or in combination with other cellulosic materials. The method of making the insulation includes the steps of treating the cellulosic materials with a fire retardancy chemical or chemicals and creating bonds between the fibers to form the superstructures.

CELLULOSE-BASED INSULATION AND METHODS OF MAKING THE SAME
20250019964 · 2025-01-16 · ·

A method for making cellulose-based fire resistant insulation. The insulation includes a plurality of superstructures that establish voids in the insulation. The insulation may be blown in place while the superstructures maintain the void portion of the insulation. The insulation is made with fiber residuals, either alone or in combination with other cellulosic materials. The method of making the insulation includes the steps of treating the cellulosic materials with a fire retardancy chemical or chemicals and creating bonds between the fibers to form the superstructures.

Flame-retardant and corrosion-resistant fiber bamboo substrate and preparation method thereof

The invention claims a flame-retardant and corrosion-resistant fiber bamboo substrate and a preparation method thereof. The preparation method comprises the following steps of: 1) cutting raw bamboo into bamboo filaments; 2) flame-retardant treatment: soaking the bamboo filaments prepared in Step 1) in aqueous solution of a flame retardant; 3) drying: drying the flame-retardant treated bamboo filaments at 55 C. to 65 C. until the absolute water content is not more than 12%; 4) carbonized pyrolysis: feeding the dried bamboo filaments into a carbonized pyrolysis kiln, to be high-temperature treated according to a pyrolysis gradient; and, 5) sequentially gumming, post-gumming drying, pressing, curing, maintaining and splitting to obtain a bamboo substrate. The bamboo substrate has high stability, no cracks on the product surface, enhanced corrosion resistance and excellent flame retardance, and may be used in various climate conditions and environments.

Flame-retardant and corrosion-resistant fiber bamboo substrate and preparation method thereof

The invention claims a flame-retardant and corrosion-resistant fiber bamboo substrate and a preparation method thereof. The preparation method comprises the following steps of: 1) cutting raw bamboo into bamboo filaments; 2) flame-retardant treatment: soaking the bamboo filaments prepared in Step 1) in aqueous solution of a flame retardant; 3) drying: drying the flame-retardant treated bamboo filaments at 55 C. to 65 C. until the absolute water content is not more than 12%; 4) carbonized pyrolysis: feeding the dried bamboo filaments into a carbonized pyrolysis kiln, to be high-temperature treated according to a pyrolysis gradient; and, 5) sequentially gumming, post-gumming drying, pressing, curing, maintaining and splitting to obtain a bamboo substrate. The bamboo substrate has high stability, no cracks on the product surface, enhanced corrosion resistance and excellent flame retardance, and may be used in various climate conditions and environments.