WO2021152964A1 - Procédé de fabrication d'un article composé de biomasse - Google Patents

Procédé de fabrication d'un article composé de biomasse Download PDF

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Publication number
WO2021152964A1
WO2021152964A1 PCT/JP2020/042851 JP2020042851W WO2021152964A1 WO 2021152964 A1 WO2021152964 A1 WO 2021152964A1 JP 2020042851 W JP2020042851 W JP 2020042851W WO 2021152964 A1 WO2021152964 A1 WO 2021152964A1
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WIPO (PCT)
Prior art keywords
veneer
molded product
sheet
biomass molded
carboxylic acid
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PCT/JP2020/042851
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English (en)
Japanese (ja)
Inventor
内藤　茂樹
田村　俊樹
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パナソニックＩｐマネジメント株式会社
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Application filed by パナソニックＩｐマネジメント株式会社 filed Critical パナソニックＩｐマネジメント株式会社
Priority to MYPI2022003262A priority Critical patent/MY197474A/en
Priority to JP2021574475A priority patent/JP7442150B2/ja
Publication of WO2021152964A1 publication Critical patent/WO2021152964A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching

Definitions

  • the present disclosure generally relates to a method for producing a biomass molded product, and more particularly to a method for producing a biomass molded product using a palm plant.
  • Patent Document 1 discloses a method for joining oil palm thin plates. This method of joining oil palm thin plates includes a thin plate step, a thin plate drying step, a laminating step, a heating step, a pressing step, and a fixing step. Laminated plywood is obtained through these steps. An oil palm thin plate is arranged on the exposed surface on one side of the laminated plywood.
  • An object of the present disclosure is to provide a method for producing a biomass molded product, which can easily produce a biomass molded product having irregularities formed on its surface, which expresses a texture similar to that of natural wood.
  • the method for producing a biomass molded product includes a laminating step, a heating and pressurizing step, and a peeling step.
  • the laminating step the first veneer, the flexible sheet, and the second veneer are laminated in this order while aligning the fiber directions of the first veneer and the second veneer to obtain a laminate.
  • the heating and pressurizing step the laminate is heated while being pressurized in the stacking direction.
  • the peeling step the biomass molded bodies formed on both sides of the sheet are peeled from the sheet.
  • the first veneer and the second veneer are veneers formed of palm plants containing sugars and supplied with a polyvalent carboxylic acid.
  • FIG. 1A to 1C are schematic cross-sectional views showing a method for producing a biomass molded product according to the first embodiment.
  • 2A to 2C are schematic cross-sectional views showing a method for producing a biomass molded product according to the second embodiment.
  • 3A to 3C are schematic cross-sectional views showing a method for producing a biomass molded product according to the third embodiment.
  • 4A to 4C are schematic cross-sectional views showing a method for producing a biomass molded product according to the fourth embodiment.
  • FIG. 5A is a photograph showing the surface of a molded product manufactured for comparison.
  • FIG. 5B is a photograph showing the surface of the biomass molded product according to the first embodiment.
  • the method for producing the biomass molded product 1 includes a laminating step, a heating and pressurizing step, and a peeling step.
  • the laminating step the first veneer 21, the flexible sheet 3, and the second veneer 22 are laminated in this order while aligning the fiber directions of the first veneer 21 and the second veneer 22, and the laminate 4 (See FIGS. 1A and 1B).
  • the heating and pressurizing step the laminate 4 is heated while being pressurized in the stacking direction (see FIG. 1B).
  • the peeling step the biomass molded product 1 formed on both sides of the sheet 3 is peeled from the sheet 3 (see FIG. 1C).
  • the fiber directions of the first veneer 21 and the second veneer 22 are aligned.
  • the sheet 3 has flexibility. Therefore, in the heating and pressurizing step, the fiber portion 22b of the second veneer 22 easily crushes the non-fiber portion 21a of the first veneer 21 via the sheet 3. Similarly, the fiber portion 21b of the first veneer 21 easily crushes the non-fiber portion 22a of the second veneer 22 via the sheet 3.
  • the surface of the biomass molded product 1 has irregularities.
  • the state of the surface of the actual biomass molded product 1 is shown in FIG. 5B.
  • the unevenness is formed by embossing the fiber portions 21b and 22b, and can express a feeling of wood surface close to that of natural wood.
  • the method for producing the biomass molded product 1 according to the present embodiment it is possible to easily produce the biomass molded product 1 having irregularities formed on the surface, which expresses a feeling of wood surface similar to that of natural wood.
  • the method for producing the biomass molded product 1 includes a laminating step, a heating and pressurizing step, and a peeling step. Hereinafter, these steps will be described.
  • the laminating process will be described.
  • at least two veneers hereinafter referred to as the first veneer 21 and the second veneer 22
  • the sheet 3 are used.
  • the first veneer 21 is a catalyst-containing veneer.
  • the catalyst-containing veneer is a veneer in which a polyvalent carboxylic acid is supplied to a saccharide-containing veneer.
  • the first veneer 21 is a veneer formed of a palm plant containing saccharides (hereinafter, may be simply referred to as "palm plant”) and supplied with a polyvalent carboxylic acid.
  • "Palm” is a general term for plants belonging to the family Arecales, a monocotyledonous plant, but in the present specification, it may be simply referred to as "palm”. Since the second veneer 22 is the same as the first veneer 21, detailed description thereof will be omitted.
  • the sugar-containing veneer is a veneer obtained from palm plants. Palm plants are woody plants and have woody stems (tree trunks). Among the palms, oil palm and coconut are preferable. This is because palm contains a relatively large amount of sugar as compared with other plants. As a result, the water resistance and strength of the biomass molded product 1 are improved.
  • the sugars contained in plants are monosaccharides, disaccharides and polysaccharides (including oligosaccharides). Disaccharides and polysaccharides are composed of a plurality of monosaccharides linked by glycosidic bonds.
  • the saccharide may be contained in only one kind or two or more kinds in the plant.
  • the total content of the monosaccharide and the disaccharide is preferably 5% by mass or more with respect to the mass of the veneer (solid content).
  • monosaccharides include fructose, ribose, arabinose, rhamnose, xylulose and deoxyribose.
  • disaccharide examples include sucrose, maltose, trehalose, turanose, lactulose, maltulose, palatinose, genthiobiulose, melibiulose, galactosucrose, rutinulose and planteobiose.
  • polysaccharides examples include starch, agarose, alginic acid, glucomannan, inulin, chitin, chitosan, hyaluronic acid, glycogen and cellulose.
  • oligosaccharides include fructooligosaccharides, galactooligosaccharides, mannan oligosaccharides and stachyose.
  • a veneer (sugar-containing veneer) is obtained from the above palm plants.
  • the sugar-containing veneer can be obtained by cutting a plant log with a cutting machine.
  • Cutting machines include, for example, rotary races and slicers.
  • the thickness of the saccharide-containing veneer is not particularly limited, but is, for example, in the range of 2 mm or more and 8 mm or less.
  • the density of the saccharide-containing veneer is not particularly limited, but is preferably in the range of 300 kg / m 3 or more and 500 kg / m 3 or less, and more preferably in the range of 350 kg / m 3 or more and 450 kg / m 3 or less.
  • the first veneer 21 (catalyst-containing veneer) is a veneer in which a polyvalent carboxylic acid is supplied as a catalyst to a saccharide-containing veneer.
  • the catalyst-containing veneer contains a saccharide and a polyvalent carboxylic acid.
  • the polyvalent carboxylic acid is not particularly limited as long as it is a compound having a plurality of carboxy groups.
  • polyvalent carboxylic acids include citric acid, tartaric acid, malic acid, gluconic acid, sebacic acid, itaconic acid, succinic acid, oxalic acid, adipic acid, malonic acid, phthalic acid, maleic acid, fumaric acid, and glutaric acid (1). , 5-Pentanedioic acid), glutaconic acid and pentendioic acid. Acid anhydrides can also be used as the polyvalent carboxylic acid.
  • citric acid, tartaric acid, malic acid, gluconic acid, sebacic acid, and itaconic acid are particularly preferable because they can be produced from plants as raw materials.
  • the polycarboxylic acid is synonymous with a polycarboxylic acid.
  • the polyvalent carboxylic acid is supplied as a polyvalent carboxylic acid solution (for example, a polyvalent carboxylic acid aqueous solution).
  • a polyvalent carboxylic acid solution for example, a polyvalent carboxylic acid aqueous solution.
  • the polyvalent carboxylic acid can be supplied to the saccharide-containing veneer as follows. That is, the polyvalent carboxylic acid aqueous solution can be sprayed toward the saccharide-containing veneer by spraying or the like. Further, the saccharide-containing veneer can be immersed in a polyvalent carboxylic acid aqueous solution. Further, the polyvalent carboxylic acid aqueous solution can be applied to the saccharide-containing veneer with a roll or a brush. Further, the powder of the polyvalent carboxylic acid can be directly sprayed on the saccharide-containing veneer.
  • the polyvalent carboxylic acid when supplied to the saccharide-containing veneer, the polyvalent carboxylic acid may be in an aqueous solution state or in a powder state.
  • the concentration of the polyvalent carboxylic acid aqueous solution is not particularly limited, but is, for example, in the range of 1% by mass or more and 50% by mass or less.
  • the amount of polyvalent carboxylic acid supplied is not particularly limited.
  • the supply amount of the polyvalent carboxylic acid is defined by, for example, the mass of the polyvalent carboxylic acid present per unit volume of the saccharide-containing veneer.
  • the supply amount of the polyvalent carboxylic acid is in the range of 0.5% by mass or more and 5% by mass or less in terms of solid content ratio.
  • Sheet 3 has flexibility.
  • the sheet 3 is not particularly limited, but in the present embodiment, it is a plastic film 31.
  • the plastic film 31 is not particularly limited, and examples thereof include a PET film.
  • the PET film is a polymer film made of polyethylene terephthalate resin.
  • the thickness of the sheet 3 is not particularly limited, but is preferably in the range of 50 ⁇ m or more and 100 ⁇ m or less.
  • the first veneer 21, the sheet 3, and the second veneer 22 are formed while aligning the fiber directions of the first veneer 21 and the second veneer 22.
  • the laminate 4 is obtained by laminating in this order.
  • the fiber directions of the first veneer 21 and the second veneer 22 are perpendicular to the paper surface.
  • the non-fiber portion 21a and the fiber portion 21b are present on the surface of the first veneer 21 facing the sheet 3.
  • the non-fiber portion 22a and the fiber portion 22b are present on the surface of the second veneer 22 facing the sheet 3.
  • the non-fiber portions 21a and 22a include soft cells and the like.
  • the fiber portions 21b and 22b are harder portions than the non-fiber portions 21a and 22a.
  • the fiber portions 21b and 22b are portions in which the ratio of vascular bundles is high and the ratio of soft cells is low as compared with the non-fiber portions 21a and 22a.
  • the fiber direction of the first veneer 21 and the second veneer 2 is the direction in which the fiber portions 21b and 22b extend.
  • the non-fiber portions 21a and 22a also extend substantially along the fiber direction.
  • the surface of the first veneer 21 and the second veneer 22 facing the sheet 3 may be an uneven surface or a flat surface.
  • the reinforcing plate 5 is arranged on the side opposite to the sheet 3 of the first veneer 21 and on the side opposite to the sheet 3 of the second veneer 22.
  • the reinforcing plate 5 includes one or more single plates 5a.
  • the reinforcing plate 5 arranged on the side opposite to the sheet 3 of the first veneer 21 includes two veneers 5a, and the reinforcing plate 5 arranged on the opposite side of the sheet 3 of the second veneer 22.
  • the plate 5 also includes two veneers 5a.
  • the veneer 5a is the same as the first veneer 21 and the second veneer 22. That is, the reinforcing plate 5 (single plate 5a) is a catalyst-containing single plate. That is, the reinforcing plate 5 is a veneer formed of palm plants containing saccharides and supplied with a polyvalent carboxylic acid.
  • the fiber direction of the reinforcing plate 5 arranged on the side opposite to the sheet 3 of the first veneer 21 and the second veneer 22 is not particularly limited.
  • the heating and pressurizing process will be described.
  • the laminate 4 is heated while being pressurized in the stacking direction. That is, the laminate 4 is subjected to thermal pressure treatment (hot pressing) to bond the first veneer 21 and the reinforcing plate 5, and the second veneer 22 and the reinforcing plate 5.
  • thermal pressure treatment hot pressing
  • the thermal pressure treatment is a treatment of pressing while heating.
  • a known compression device press
  • the heat source is not particularly limited, and examples thereof include steam, hot oil, electric heat, and high frequency.
  • the press method is not particularly limited, and examples thereof include a flat plate (one-stage, multi-stage) press method and a roll (continuous) press method.
  • the temperature of the thermal pressure treatment is not particularly limited, but is preferably in the range of 140 ° C. or higher and 230 ° C. or lower, and more preferably 200 ° C. or higher and 220 ° C. or lower.
  • the pressure of the thermal pressure treatment is preferably in the range of 0.5 MPa or more and 4 MPa or less.
  • the time of the thermal pressure treatment is preferably in the range of 10 seconds or more and 30 minutes or less, more preferably 1 minute or more and 20 minutes or less.
  • the curing reaction means a reaction between a saccharide and a polyvalent carboxylic acid. It is presumed that the catalyst-containing veneer is completely cured through a two-step reaction when heat-treated.
  • the first stage reaction proceeds by the heat treatment
  • the second stage reaction proceeds and is completed by the further heat treatment.
  • the catalyst-containing veneer becomes a cured product upon completion of the second stage reaction.
  • the reaction product of the saccharide and the polyvalent carboxylic acid for example, the sugar citrate reaction product
  • the reaction product of the saccharide and the polyvalent carboxylic acid becomes thermosetting.
  • the fibers inside the catalyst-containing veneer are adhered to each other.
  • the reactants include a substance before the reaction and a substance (product) after the reaction.
  • the sugars contained in the plant are hydrolyzed to produce a hydrolysis product. Further, the hydrolysis product is dehydrated and condensed to produce a reaction product of a sugar denaturing product. The condensed water generated at this time is vaporized and removed.
  • sucrose sucrose
  • fructose sucrose
  • furfural specifically, 5- (hydroxymethyl) furfural
  • Furfural which is a sugar-modified product, becomes a thermosetting resin, furan resin, by further heat treatment, and is cured in the presence of a polyvalent carboxylic acid.
  • glucose becomes a sugar ester polymer by a dehydration condensation reaction and is cured.
  • the stage of pressurization is not particularly limited.
  • pressurization may be performed from the start of the first stage to the end of the second stage, or may be performed from the start of the second stage to the end of the second stage without performing in the first stage.
  • the fiber directions of the first veneer 21 and the second veneer 22 are aligned.
  • the sheet 3 has flexibility. Therefore, in the heating and pressurizing step, the fiber portion 22b of the second veneer 22 easily crushes the non-fiber portion 21a of the first veneer 21 via the sheet 3. Similarly, the fiber portion 21b of the first veneer 21 easily crushes the non-fiber portion 22a of the second veneer 22 via the sheet 3. As a result, the fiber portions 21b and 22b are more likely to protrude in the stacking direction than the non-fiber portions 21a and 22a.
  • the biomass molded product 1 is formed on both sides of the sheet 3.
  • the biomass molded product 1 includes a first biomass molded product 11 and a second biomass molded product 12.
  • the first biomass molded body 11 is a molded body in which the first veneer 21 and the reinforcing plate 5 are integrated.
  • the second biomass molded body 12 is a molded body in which the second veneer 22 and the reinforcing plate 5 are integrated.
  • the peeling step will be described.
  • the biomass molded product 1 formed on both sides of the sheet 3 is peeled from the sheet 3.
  • the biomass molded product 1 is obtained.
  • the biomass molded product 1 includes a first biomass molded product 11 and a second biomass molded product 12.
  • the biomass molded product 1 has a plate shape.
  • the fiber portion 22b of the second veneer 22 crushes the non-fiber portion 21a of the first veneer 21 via the sheet 3, so that the sheet 3 of the first biomass molded body 11 is crushed.
  • Concavities and convexities are formed on the surfaces that were in contact with each other.
  • the concave portion 11a constituting the unevenness is mainly derived from the non-fiber portion 21a of the first veneer 21, and the convex portion 11b is mainly derived from the fiber portion 21b of the first veneer 21.
  • the fiber portion 21b of the first veneer 21 crushes the non-fiber portion 22a of the second veneer 22 via the sheet 3, so that the second biomass molded body 12 Unevenness is formed on the surface that was in contact with the sheet 3.
  • the concave portion 12a constituting the unevenness is mainly derived from the non-fiber portion 22a of the second veneer 22, and the convex portion 12b is mainly derived from the fiber portion 22b of the second veneer 22.
  • the state of the surface of the actual biomass molded product 1 is shown in FIG. 5B.
  • the surface of the biomass molded product 1 has irregularities.
  • the unevenness is formed by embossing the fiber portions 21b and 22b, and can express a feeling of wood surface close to that of natural wood.
  • the first veneer 21 and the second veneer 22 have fiber portions 21b and 22b formed of hard and thick palm plants, the surface irregularities of the biomass molded body 1 are likely to appear firmly.
  • FIG. 5A shows the state of the surface of the molded product manufactured for comparison.
  • This molded body is obtained by simply laminating the first veneer 21 and the reinforcing plate 5 and performing a thermal pressure treatment without using the sheet 3.
  • the surface of the molded product (the surface of the first veneer 21 after the thermal pressure treatment) is almost flat. That is, since the fiber portion 21b is hardly raised, it gives a strong artificial impression.
  • the method for producing the biomass molded product 1 according to the present embodiment it is possible to easily produce the biomass molded product 1 having irregularities formed on the surface, which expresses a feeling of wood surface similar to that of natural wood.
  • the texture of the surface of the biomass molded product 1 can be made closer to that of natural wood.
  • the surface of the biomass molded product 1 can be made glossy. Since this luster looks like the luster of sap, the texture of the surface of the biomass molded product 1 can be made closer to that of natural wood.
  • the thickness of the biomass molded product 1 can be increased by using the reinforcing plate 5.
  • the strength of the biomass molded product 1 can be increased.
  • the reinforcing plate 5 is a catalyst-containing veneer, palm plants containing sugars can be effectively used. For example, old palm trees from which palm oil has been collected and discarded can be effectively used.
  • the same components as those in the first embodiment may be designated by the same reference numerals as those in the first embodiment, and detailed description thereof may be omitted.
  • the sheet 3 of the present embodiment is different from the sheet 3 of the first embodiment.
  • the sheet 3 of this embodiment is a metal film 32 (see FIGS. 2A to 2C).
  • the metal film 32 is not particularly limited, and examples thereof include an aluminum film.
  • the thickness of the sheet 3 is not particularly limited, but is preferably in the range of 50 ⁇ m or more and 100 ⁇ m or less.
  • the method for producing the biomass molded product 1 according to the present embodiment it is possible to easily produce the biomass molded product 1 having irregularities formed on the surface, which expresses a feeling of wood surface similar to that of natural wood.
  • the metal film 32 is used as the sheet 3, the texture of the surface of the biomass molded product 1 can be made closer to that of natural wood.
  • the same components as those in the first and second embodiments may be designated by the same reference numerals as those in the first embodiment, and detailed description thereof may be omitted.
  • This embodiment is different from the first embodiment in that the crushed material 6 is used instead of the reinforcing plate 5 of the first embodiment. That is, in the present embodiment, as shown in FIGS. 3A and 3B, in the laminating step, the pulverized product 6 is placed on the side opposite to the sheet 3 of the first veneer 21 and on the side opposite to the sheet 3 of the second veneer 22. Deploy.
  • the crushed product 6 is a crushed product formed of a plant containing saccharides and supplied with a polyvalent carboxylic acid.
  • the crushed product 6 is obtained by supplying a polyvalent carboxylic acid to a crushed product of a plant containing sugar.
  • a crushed product of a plant containing sugar (for example, a crushed product of a palm plant) is obtained by crushing a stem of a plant or the like with an appropriate crusher.
  • a polyvalent carboxylic acid solution or a powder of a polyvalent carboxylic acid is added to the obtained pulverized plant product to obtain a pulverized product 6.
  • the heating and pressurizing step when the laminate 4 is subjected to thermal pressure treatment (hot pressing), the first veneer 21 and the crushed material 6 are adhered, and the second veneer 22 and the crushed material 6 are adhered to each other.
  • thermal pressure treatment hot pressing
  • the biomass molded product 1 is formed on both sides of the sheet 3.
  • the biomass molded product 1 includes a first biomass molded product 11 and a second biomass molded product 12.
  • the first biomass molded product 11 is a molded product in which the first veneer 21 and the pulverized product 6 are integrated.
  • the second biomass molded product 12 is a molded product in which the second veneer 22 and the pulverized product 6 are integrated. Then, the biomass molded product 1 is obtained through the peeling step shown in FIG. 3C.
  • the thickness of the biomass molded product 1 can be increased by using the crushed product 6.
  • the strength of the biomass molded product 1 can be increased.
  • a crushed product of a plant containing sugar as the crushed product 6 for example, an old palm tree from which palm oil has been collected and discarded can be effectively used.
  • the same components as those in the first to third embodiments may be designated by the same reference numerals as those in the first embodiment, and detailed description thereof may be omitted.
  • This embodiment is different from the first embodiment in that plywood 5b is used as the reinforcing plate 5 instead of the veneer 5a of the first embodiment. That is, in the present embodiment, as shown in FIGS. 4A and 4B, in the laminating step, the reinforcing plate 5 is formed on the side opposite to the sheet 3 of the first veneer 21 and the side opposite to the sheet 3 of the second veneer 22. Place the plywood 5b. Then, as in the first to third embodiments, the biomass molded product 1 is obtained through a laminating step, a heating and pressurizing step, and a peeling step (see FIGS. 4A to 4C).
  • the thickness of the biomass molded body 1 can be increased by using the plywood 5b as the reinforcing plate 5. Thereby, the strength of the biomass molded product 1 can be increased.
  • the reinforcing plate 5 is arranged on the side opposite to the sheet 3 of the first veneer 21 and on the side opposite to the sheet 3 of the second veneer 22, but the reinforcing plate 5 Does not have to be placed.
  • the reinforcing plate 5 is arranged on the side opposite to the sheet 3 of the first veneer 21 and on the side opposite to the sheet 3 of the second veneer 22, but the crushed product is used instead of the reinforcing plate 5. 6 may be arranged.
  • the crushed material 6 is arranged on the side opposite to the sheet 3 of the first veneer 21 and on the side opposite to the sheet 3 of the second veneer 22, but in addition to the crushed material 6, a reinforcing plate is arranged. 5 may be arranged.
  • the plywood 5b is used as the reinforcing plate 5, but instead of the plywood 5b or together with the plywood 5b, MDF (medium density fiberboard), PB (particle board), single plate laminated material (LVL) , And at least one of lumbar core plywood may be used.
  • MDF medium density fiberboard
  • PB particle board
  • LDL single plate laminated material
  • the reinforcing plate 5 and the crushed product 6 are formed of palm plants, but any plant other than palm plants may be used as long as it contains saccharides.
  • the first aspect is a method for producing a biomass molded product (1), which includes a laminating step, a heating and pressurizing step, and a peeling step.
  • the laminating step the first veneer (21), the flexible sheet (3), and the second veneer are aligned while aligning the fiber directions of the first veneer (21) and the second veneer (22).
  • the plates (22) are laminated in this order to obtain a laminate (4).
  • the laminate (4) is heated while being pressurized in the stacking direction.
  • the peeling step the biomass molded product (1) formed on both sides of the sheet (3) is peeled from the sheet (3).
  • the first veneer (21) and the second veneer (22) are veneers formed of palm plants containing sugars and supplied with a polyvalent carboxylic acid.
  • the second aspect is the method for producing the biomass molded product (1) based on the first aspect.
  • the sheet (3) is a plastic film (31) or a metal film (32).
  • the texture of the surface of the biomass molded product (1) can be made closer to that of natural wood.
  • the third aspect is the method for producing the biomass molded product (1) based on the first or second aspect.
  • in the laminating step on the side opposite to the sheet (3) of the first veneer (21) and / or on the side opposite to the sheet (3) of the second veneer (22). Place the reinforcing plate (5) and / or the crushed material (6).
  • the thickness of the biomass molded product (1) can be increased.
  • the fourth aspect is the method for producing the biomass molded product (1) based on the third aspect.
  • the reinforcing plate (5) is a veneer formed of a plant containing saccharides and supplied with a polyvalent carboxylic acid.
  • plants containing sugars can be effectively used.
  • the fifth aspect is the method for producing the biomass molded product (1) based on the third aspect.
  • the pulverized product (6) is a pulverized product formed of a plant containing saccharides and supplied with a polyvalent carboxylic acid.
  • plants containing sugars can be effectively used.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)

Abstract

Ce procédé de fabrication d'un article composé de biomasse (1) comprend une étape de stratification, une étape de chauffage et de pressage et une étape de décollement. Au cours l'étape de stratification, en même temps que les directions de fibres d'un premier placage (21) et d'un second placage (22) sont alignées, le premier placage (21), une feuille souple (3) et le second placage (22) sont stratifiés, dans cet ordre, pour obtenir un stratifié (4). Au cours l'étape de chauffage et de pressage, le stratifié (4) est chauffé tout en étant pressé dans la direction de stratification. Au cours de l'étape de décollement, l'article composé de biomasse (1) formé des deux côtés de la feuille (3) est décollé de la feuille (3). Le premier placage (21) et le second placage (22) sont formés à partir d'une plante contenant du sucre de la famille des palmiers et sont des placages traités à l'acide carboxylique polyvalent.
PCT/JP2020/042851 2020-01-28 2020-11-17 Procédé de fabrication d'un article composé de biomasse WO2021152964A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
MYPI2022003262A MY197474A (en) 2020-01-28 2020-11-17 Method for manufacturing biomass formed article
JP2021574475A JP7442150B2 (ja) 2020-01-28 2020-11-17 バイオマス成形体の製造方法

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Application Number Priority Date Filing Date Title
JP2020011828 2020-01-28
JP2020-011828 2020-01-28

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WO2021152964A1 true WO2021152964A1 (fr) 2021-08-05

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11198111A (ja) * 1998-01-20 1999-07-27 Dainippon Printing Co Ltd 化粧板の製造方法
US20050038182A1 (en) * 2000-12-01 2005-02-17 The University Of Melbourne Wood products and processes for the preparation thereof
JP2018051837A (ja) * 2016-09-27 2018-04-05 パナソニックＩｐマネジメント株式会社 改質木材の製造方法
JP2019089249A (ja) * 2017-11-14 2019-06-13 パナソニックＩｐマネジメント株式会社 木質複合板の製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11198111A (ja) * 1998-01-20 1999-07-27 Dainippon Printing Co Ltd 化粧板の製造方法
US20050038182A1 (en) * 2000-12-01 2005-02-17 The University Of Melbourne Wood products and processes for the preparation thereof
JP2018051837A (ja) * 2016-09-27 2018-04-05 パナソニックＩｐマネジメント株式会社 改質木材の製造方法
JP2019089249A (ja) * 2017-11-14 2019-06-13 パナソニックＩｐマネジメント株式会社 木質複合板の製造方法

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