WO2020080046A1 - Procédé de production de matériau moulé à base de biomasse, matériau moulé à base de biomasse, et procédé de production d'un article moulé à base de biomasse - Google Patents

Procédé de production de matériau moulé à base de biomasse, matériau moulé à base de biomasse, et procédé de production d'un article moulé à base de biomasse Download PDF

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WO2020080046A1
WO2020080046A1 PCT/JP2019/037269 JP2019037269W WO2020080046A1 WO 2020080046 A1 WO2020080046 A1 WO 2020080046A1 JP 2019037269 W JP2019037269 W JP 2019037269W WO 2020080046 A1 WO2020080046 A1 WO 2020080046A1
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Prior art keywords
biomass
biomass molding
molding material
unreacted
curing reaction
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PCT/JP2019/037269
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English (en)
Japanese (ja)
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内藤　茂樹
前田　直彦
彩乃 藤本
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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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Publication of WO2020080046A1 publication Critical patent/WO2020080046A1/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
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/02—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from particles

Definitions

  • the present disclosure generally relates to a method for manufacturing a biomass molding material, a biomass molding material, and a method for manufacturing a biomass molding. More specifically, the present invention relates to a method for manufacturing a biomass molding material used as a material for a biomass molding, a biomass molding material, and a method for manufacturing a biomass molding.
  • Patent document 1 discloses the manufacturing method of a molded object.
  • the composition that is cured by heating and pressurizing is put in a mold, heated to 180 ° C. to 250 ° C., and pressurized at 5 kgf / cm 2 to 70 kgf / cm 2 .
  • the above-mentioned composition contains, as a main component, a plant-derived product (a) which has been powdered or shredded and a polycarboxylic acid (b).
  • the plant-derived product (a) is selected from xylem and bark of plants.
  • the polycarboxylic acid (b) is selected from citric acid, itaconic acid and malic acid.
  • the weight ratio of the plant-derived product (a) and the polycarboxylic acid (b) is 1.0 to 8.0: 1.0.
  • Patent Document 1 the composition containing the plant-derived material (a) and the polycarboxylic acid (b) is heated and pressed as it is with a press machine having upper and lower hot plates so that a molded body is produced at a stretch. There is. However, there is room for improvement in the water resistance and strength of the thus obtained molded product.
  • a distance bar (a thickness regulating jig that regulates the distance between the upper and lower hot plates of the press) is used to control the thickness of the molded body to be obtained while heating with a press. Pressurized.
  • a distance bar a thickness regulating jig that regulates the distance between the upper and lower hot plates of the press
  • An object of the present disclosure is to provide a method for producing a biomass molding material, a biomass molding material, and a method for manufacturing a biomass molding which are suitable for producing a biomass molding having excellent water resistance and strength with high productivity. It is in.
  • the method for producing a biomass molding material is a method for producing a biomass molding material used as a material for a biomass molded body.
  • a pulverized product or veneer containing a saccharide and an unreacted product containing a polyvalent carboxylic acid are heated in a non-pressurized state to start a curing reaction, and cooled in the middle of the curing reaction, and the curing reaction is performed. Stop.
  • the biomass molding material according to one aspect of the present disclosure is used as a material for a biomass molding.
  • the biomass molding material is an intermediate product of a curing reaction between a saccharide-containing plant and a polyvalent carboxylic acid.
  • the intermediate product is in the form of powder or a single plate, and has thermosetting properties.
  • a method for manufacturing a biomass molded body according to an aspect of the present disclosure a crushed plant or a veneer containing a saccharide, and an unreacted product containing a polycarboxylic acid are heated in a non-pressurized state to start a curing reaction. Then, cooling is performed during the curing reaction to stop the curing reaction to obtain a biomass molding material, and heating and pressurizing the biomass molding material to mold the material.
  • the biomass molding material according to the present embodiment is used as a material for a biomass molding.
  • a base material crushed plant or veneer containing sugar
  • an unreacted material containing a polyvalent carboxylic acid are heated in a non-pressurized state to start a curing reaction.
  • the curing reaction is stopped by cooling halfway. Condensed water generated during the curing reaction is removed.
  • a biomass molding material is obtained. That is, the biomass molding material is an intermediate product of the curing reaction between the plant containing sugar and the polycarboxylic acid.
  • the biomass molding material is in the form of powder or a single plate, and has thermosetting properties.
  • the biomass molding material is a powder
  • the individual particles constituting the powder are bonded and integrated.
  • the biomass molding material is a single plate, when a plurality of single plates are stacked and heated and pressed, adjacent single plates are bonded and integrated.
  • the biomass molding material is suitable for producing a biomass molding having excellent water resistance and strength with high productivity.
  • the biomass molding material does not have to be used immediately after production, but may be used after being stored for a certain period of time.
  • the biomass molding material according to the present embodiment is used as a material for manufacturing a biomass molding.
  • the biomass molding material is a semi-cured material in which an unreacted material is partially hardened.
  • the unreacted material is a material before the curing reaction.
  • the semi-cured product is a substance in the intermediate stage (B stage) of the curing reaction.
  • a cured product of the biomass molding material is a biomass molding.
  • the biomass molded body is, so to speak, the final product.
  • the cured product is a substance in the final stage of the curing reaction. In other words, the cured product is a substance in a completely cured state.
  • a biomass molding material In producing a biomass molding material, firstly, the case where the unreacted material contains a pulverized product of a saccharide-containing plant and a polyvalent carboxylic acid, and secondly, the unreacted material contains a saccharide-containing plant.
  • the biomass molding material obtained in the first case is in powder form and has thermosetting properties.
  • the biomass molding material obtained in the second case is in the form of a single plate and has thermosetting properties.
  • the method for manufacturing the biomass molding material will be described in two cases.
  • the unreacted material contains a pulverized product of a plant containing saccharides and a polyvalent carboxylic acid.
  • the pulverized product of the saccharide-containing plant and the polyvalent carboxylic acid only coexist, and these have not yet reacted.
  • Plants are roughly divided into wood (so-called trees) and herbs (so-called grass), but they may be wood or grass.
  • palm coconut
  • sugar cane are preferable, and among palms, oil palm and coconut are preferable. This is because palm and sugar cane contain a relatively large amount of sugars compared to other plants.
  • Crushed plants eg crushed palm and bagasse
  • a plant trunk or the like is crushed and squeezed to separate it into a residue and juice. Then the residue is dried.
  • a plant crushed product can be obtained by air-drying the residue.
  • water may remain in the ground product of the plant. This is because the water content is removed by the heat treatment of the unreacted material described later.
  • a pulverized product of a plant can be obtained by drying the residue at 105 ° C ⁇ 2 ° C. By drying the residue in this manner, water in the residue can be evaporated.
  • the water content in the residue is preferably 20 parts by mass or less, based on 100 parts by mass of the pulverized product of the plant (in an absolutely dried state).
  • the absolutely dry state means a state in which the residue is left in a hot air dryer at 105 ° C. ⁇ 2 ° C. to have a constant weight.
  • the constant state means a state in which the mass of the residue is measured at intervals of 15 minutes or more, and the mass difference before and after the measurement is within 0.1% of the mass after the measurement. It should be noted that a plant trunk or the like may be crushed and dried without squeezing in the same manner as described above to be used as a crushed product of the plant.
  • the sugars contained in the ground product of the plant are monosaccharides, disaccharides and polysaccharides (including oligosaccharides). Disaccharides and polysaccharides are composed of a plurality of monosaccharides linked by glycosidic bonds.
  • monosaccharides include fructose, ribose, arabinose, rhamnose, xylulose and deoxyribose.
  • disaccharides examples include sucrose, maltose, trehalose, turanose, lactulose, maltulose, palatinose, gentiobiurose, 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.
  • Saccharides may be contained in the crushed plant product in only one kind or in two or more kinds.
  • the polycarboxylic acid is not particularly limited as long as it is a compound having a plurality of carboxy groups.
  • the polycarboxylic acid for example, 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, glutaric acid (1 , 5-pentanedioic acid), glutaconic acid and pentenedioic acid.
  • An acid anhydride can also be used as the polycarboxylic acid.
  • citric acid, tartaric acid, malic acid, gluconic acid, sebacic acid, and itaconic acid are particularly preferable because they are produced from plants.
  • the polycarboxylic acid may be contained in the unreacted product alone or in combination of two or more.
  • the polycarboxylic acid has the same meaning as the polycarboxylic acid.
  • the content of the polycarboxylic acid is preferably 0.3% by mass or more and 10% by mass or less, more preferably 2.7% by mass or more and 5% by mass or less, based on the total mass (charged amount) of the unreacted material. Within the range of. As a result, it is possible to suppress the strength reduction of the biomass molded body, which is a cured product of the biomass molding material, due to the acid, and to suppress the environmental deterioration due to the elution of the acid.
  • the unreacted material is obtained by blending a pulverized product of the above-mentioned plant containing saccharides and a polyvalent carboxylic acid. Since pulverized products of plants and polycarboxylic acids are generally easily available, it is possible to produce a biomass molding material at low cost.
  • the unreacted material undergoes a two-step reaction when it is heat treated, and is completely cured. That is, in the present embodiment, the first-stage reaction (hereinafter sometimes referred to as “preliminary reaction”) is advanced by heat treatment in a non-pressurized state, and the preliminary reaction is terminated by cooling in the middle of the reaction to generate biomass. Obtain a molding material. Condensed water generated at this time is removed. Further heat treatment completes the second stage reaction.
  • the non-pressurized state means a state in which a large pressure is not applied to the unreacted material from both sides (for example, upper and lower sides), and the unreacted material can be freely moved.
  • the non-pressurized state includes a state in which unreacted substances are stacked and a state in which a pressure equivalent to a stirring force when stirring the unreacted substances is applied.
  • the heat treatment in a non-pressurized state includes a heat treatment in which an unreacted material is put in a container and heated under atmospheric pressure while stirring the unreacted material with a stirring rod or the like.
  • the unreacted product becomes a semi-cured product (biomass molding material) through the first-stage reaction, and this semi-cured product becomes a cured product (biomass molded product) when the second-stage reaction is completed.
  • the biomass molding material is an intermediate product of the curing reaction between the plant containing saccharides and the polyvalent carboxylic acid. Since it is heated in a non-pressurized state, most of the condensed water generated by the preliminary reaction is removed. By removing the condensed water, it is possible to suppress the occurrence of puncture (burst) in the biomass molded body.
  • the unreacted material is heated in a non-pressurized state to start the curing reaction, and is cooled during the curing reaction to stop the curing reaction.
  • the middle of the curing reaction means the process from the first stage reaction to the second stage reaction.
  • the middle of the curing reaction is a process in which the reaction product contained in the unreacted material is in a reaction state showing the B-stage property of the thermosetting resin (the property of melting when heated and solidifying when cooled).
  • the middle of the curing reaction means a process in which the biomass molding material is in a state of having adhesiveness.
  • the course of the curing reaction does not include the process from the time when the curing reaction is almost completed to the time when it is completely completed.
  • the curing reaction does not include the process after the state where the biomass molding material has no adhesiveness.
  • it is preferable that the curing reaction is performed for less than 20 minutes from the start of heating.
  • the heating temperature in this case is preferably in the range of 110 ° C. or higher and 240 ° C. or lower. Cooling includes positively supplying cold air and simply stopping heating and leaving it at room temperature.
  • the sugars contained in the ground product of 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-modified product. Condensed water generated at this time is removed.
  • sucrose sucrose
  • fructose specifically, 5- (hydroxymethyl) furfural
  • Furfural which is a sugar-modified product
  • furan resin which is a thermosetting resin
  • glucose becomes a sugar ester polymer by a dehydration condensation reaction and hardens. It is considered that the biomass molding material contains the reaction product of the sugar modified product in the state where the preliminary reaction by the heat treatment is completed.
  • the unreacted material may be heated while the unreacted material is stationary, but preferably, the unreacted material is heated while the unreacted material is being moved.
  • the unreacted material is placed in a container, and the unreacted material in the container is heated from the outside while stirring the unreacted material with a stirring rod or the like, or oscillating or rotating the container to move.
  • the unreacted material in the container is heated while being moved, shaken, or rotated by stirring.
  • Examples of the method of swinging or rotating include a method using a planetary stirring device.
  • the unreacted material in the container may be heated while the unreacted material is placed in the container and convection is performed by blowing hot air into the container. As a result, the unreacted material in the container is heated while being circulated.
  • a biomass molding material with uniform physical properties (such as thermosetting property) can be obtained as compared to when the unreacted material is stationary. can get.
  • heating while swinging or rotating can suppress the agglomeration of the biomass molding material and improve the appearance of the obtained biomass molding.
  • At least one of ammonium sulfate and ammonium chloride is preferably added to the unreacted material.
  • ammonium sulfate and ammonium chloride function as catalysts for the curing reaction of saccharides, like the polycarboxylic acid. Thereby, excellent water resistance can be imparted to the biomass molded body.
  • the esterification reaction between the hydroxy group in the ground product of the plant and the polycarboxylic acid proceeds relatively slowly over time. Therefore, the reaction time of the above esterification can be shortened by adding at least one of ammonium sulfate and ammonium chloride as a catalyst to the unreacted material.
  • the content of at least one of ammonium sulfate and ammonium chloride (the total content when both are contained) is preferably 0.3 mass% or more and 5 mass with respect to the total mass (charged amount) of the unreacted material. % Or less. Thereby, the reaction time of esterification can be further shortened. Moreover, the water resistance of the biomass molded body can be further improved. Since ammonium sulfate and ammonium chloride are relatively weakly acidic salts, the strength of the biomass molded body is maintained.
  • the second case is a case where the unreacted material contains a veneer of a plant containing a saccharide and a polyvalent carboxylic acid.
  • the veneer veneer containing the sugar and the polycarboxylic acid coexist, and they have not reacted yet.
  • the second embodiment is common to the first case, and therefore the description of common items is omitted.
  • the plant is a tree (so-called tree).
  • the plant is preferably palm (coconut), and among palms, oil palm and coconut are preferable. This is because palm contains a relatively large amount of sugar as compared with other plants.
  • a veneer of a plant can be obtained by cutting a raw tree of a plant with a cutting machine.
  • cutting machines include rotary races and slicers.
  • the thickness of the veneer is not particularly limited, but is within a range of 2 mm or more and 8 mm or less, for example.
  • the unreacted material is obtained by immersing a veneer of a plant in a polycarboxylic acid. That is, the unreacted product is a plant veneer impregnated with a polycarboxylic acid.
  • the veneer of the plant may be further impregnated with at least one of ammonium sulfate and ammonium chloride.
  • the unreacted material is heated in a non-pressurized state to start the curing reaction, and is cooled in the middle of the curing reaction to stop the curing reaction.
  • the middle of the curing reaction means a process from the first stage reaction to the second stage reaction.
  • the middle of the curing reaction means a process in which the reaction product contained in the unreacted material is in a reaction state showing the B-stage property of the thermosetting resin.
  • the middle of the curing reaction means a process in which the biomass molding material is in a state of having adhesiveness.
  • the course of the curing reaction does not include the process from the time when the curing reaction is almost completed to the time when it is completely completed.
  • the curing reaction does not include the process after the state where the biomass molding material has no adhesiveness.
  • it is preferable that the curing reaction is performed for less than 20 minutes from the start of heating.
  • the heating temperature in this case is also preferably in the range of 110 ° C or higher and 240 ° C or lower.
  • the cooling includes positively supplying cold air, simply stopping the heating, and leaving it at room temperature.
  • the biomass molding material according to the present embodiment is used as a material for manufacturing a biomass molding.
  • the biomass molding material is an intermediate product of a curing reaction between a plant containing sugar and a polycarboxylic acid. Condensed water has been removed from the intermediate product. Therefore, it is possible to suppress the occurrence of punctures in the biomass molded body. Therefore, a biomass molded body having excellent water resistance and strength can be easily obtained.
  • the intermediate product is in powder form and has thermosetting property.
  • the individual particles or particles that make up the powder are thermosetting. Therefore, the biomass molding material can be molded into any shape.
  • the intermediate product is veneer-like and has thermosetting property. Therefore, when a plurality of biomass molding materials are stacked and molded, they can be processed into plywood or the like.
  • the intermediate product contains at least one of ammonium sulfate and ammonium chloride regardless of whether it is in the form of powder or single plate.
  • excellent water resistance can be imparted to the biomass molded body.
  • Method for manufacturing biomass molded body includes a first step and a second step.
  • the first step is the step of obtaining a biomass molding material.
  • a crushed product or veneer of a plant containing a saccharide and an unreacted product containing a polyvalent carboxylic acid are heated in a non-pressurized state to start a curing reaction, and the curing is performed. By cooling in the middle of the reaction to stop the curing reaction, a biomass molding material is obtained.
  • the second step is the step of obtaining a biomass molded body. That is, in the second step, the biomass molding material obtained in the first step is heated and pressed to be molded. That is, when the biomass molding material is thermocompression-molded, a biomass molding is obtained.
  • a pressing machine having upper and lower hot plates (hot plates) is used.
  • the biomass molding material is in powder form, the biomass molding material is put into an appropriate mold and thermocompression molding is performed.
  • the shape of the biomass molded body to be obtained may be a simple shape such as a plate or a complicated shape other than the plate.
  • the biomass molding material is in the form of a single plate, a plurality of biomass molding materials are stacked and thermocompression molding is performed. In this way, a plywood-shaped biomass compact is obtained.
  • the fiber directions of the plurality of biomass molding materials may be different or the same.
  • Two or more kinds of powdery biomass molding materials may be used to produce one biomass molding. These biomass molding materials differ in, for example, the size of pulverized products of plants. The size of the crushed plant differs depending on whether or not it passes through a predetermined sieve.
  • one or more kinds of powdery biomass molding materials and one or more kinds of single plate-shaped biomass molding materials may be used.
  • the molding conditions for thermocompression molding are not particularly limited, regardless of whether the biomass molding material is in powder form or single plate form.
  • the molding temperature is, for example, in the range of 140 ° C. or higher and 240 ° C. or lower.
  • the molding time is, for example, 10 seconds or more and 20 minutes or less, preferably 10 seconds or more and 10 minutes or less.
  • the molding pressure is, for example, in the range of 0.5 MPa or more and 4 MPa or less.
  • the biomass molded body is manufactured using the above-mentioned biomass molding material, the molding time by a press machine for heating and pressurizing can be shortened as compared with Patent Document 1. Therefore, the use efficiency of the press machine is improved, and the biomass molded body can be manufactured with high productivity.
  • the biomass molded body according to the present embodiment is a cured product of a biomass molding material.
  • the biomass molded body is not obtained by subjecting an unreacted material to hot-press molding at once. That is, the biomass molded body according to the present embodiment is obtained by thermocompression molding of a biomass molding material having a small amount of excess water and having the curing reaction stopped halfway.
  • the excess water is, for example, condensed water generated by the preliminary reaction.
  • the biomass molded body according to the present embodiment has excellent water resistance and strength and is excellent in productivity.
  • Such a biomass molded body can be widely used, for example, in building materials, furniture, house interiors, and the like.
  • the method for manufacturing a biomass molding material according to the first aspect is a method for manufacturing a biomass molding material used as a material for a biomass molded body.
  • a pulverized product or veneer containing a saccharide and an unreacted product containing a polyvalent carboxylic acid are heated in a non-pressurized state to start a curing reaction, and cooled in the middle of the curing reaction, and the curing reaction is performed. Stop.
  • a biomass molding material suitable for producing a biomass molding having excellent water resistance and strength with high productivity can be obtained.
  • the unreacted material when the unreacted material contains a pulverized product of a plant containing a saccharide and a polycarboxylic acid, the unreacted material is heated. Is performed while moving the unreacted material.
  • thermosetting property a biomass molding material having uniform physical properties such as thermosetting property.
  • At least one of ammonium sulfate and ammonium chloride is added to the unreacted material.
  • the plant in any one of the first to third aspects, is palm.
  • the biomass molding material according to the fifth aspect is used as a material for a biomass molding.
  • the biomass molding material is an intermediate product of a curing reaction between a saccharide-containing plant and a polyvalent carboxylic acid.
  • the intermediate product is in the form of powder or a single plate, and has thermosetting properties.
  • the intermediate product contains at least one of ammonium sulfate and ammonium chloride.
  • the plant is palm.
  • a method for producing a biomass molded body is to start a curing reaction by heating an unreacted material containing a pulverized product or veneer of a saccharide-containing plant and a polycarboxylic acid in a non-pressurized state.
  • Examples 1 to 3 and 5 As a base material (plant containing sugar), a pulverized product of palm (oil palm) was used. First, the palm trunk was crushed and squeezed to separate it into a residue and juice. Next, the residue was dried at 105 ° C. to obtain a crushed coconut product.
  • citric acid was used as the polycarboxylic acid and ammonium sulfate was used as the additive.
  • the above biomass molding material was thermocompressed under the molding conditions (temperature, time, and pressure) shown in Table 1 to obtain a plate-shaped biomass molding ( A molded product) was manufactured.
  • the distance between the upper and lower hot plates was regulated by a distance bar so that the thickness of the biomass molded body to be obtained would be the thickness shown in Table 1.
  • the supply amount of the biomass molding material supplied between the upper and lower hot plates was adjusted so that the density was as shown in Table 1.
  • Example 4 A plate-shaped biomass molded body was produced in the same manner as in Example 1 except that the pre-reaction was carried out by heating the unreacted material while moving the unreacted material using a planetary stirring device. .
  • Example 6 A crushed palm product was obtained in the same manner as in Example 1. This crushed palm product was sifted. The sieve has a nominal opening of 500 ⁇ m according to JIS Z8801-1 standard. The first residue that passed through the sieve and the second residue that did not pass through the sieve were separated.
  • an unreacted material was obtained by blending each component in the blending amounts shown in Table 1. More specifically, the unreacted substances in this case are of two types: unreacted substances derived from the first residue and unreacted substances derived from the second residue.
  • the unreacted material derived from the first residue contains only the first residue as a crushed coconut product.
  • the unreacted material derived from the second residue contains only the second residue as a crushed coconut product.
  • the compounding amounts of the unreacted substances derived from the first residue and the second residue are not distinguished. The compounding amounts of both are the same.
  • the unreacted materials derived from the first residue and the second residue are heated in a non-pressurized state and preliminarily reacted under the conditions (charged amount, temperature, and time) shown in Table 1 to obtain a powder form.
  • Biomass molding materials derived from the first residue and the second residue were produced.
  • the three-layer structure is a structure including a core layer and surface layers on both sides of the core layer.
  • the core layer is formed of a biomass molding material derived from the second residue.
  • the surface layer is formed of the biomass molding material derived from the first residue.
  • the biomass molding material derived from the first residue, the biomass molding material derived from the second residue, and the biomass molding material derived from the first residue are supplied in this order between the upper and lower hot plates, and then shown in Table 1.
  • a plate-shaped biomass molded body having a three-layer structure was manufactured by hot pressing under the molding conditions.
  • Example 7 A biomass molding material was manufactured in the same manner as in Example 1 except that bagasse was used as the base material, and further, a plate-shaped biomass molding was manufactured using this biomass molding material. In addition, as bagasse, what was crushed with a crusher was used as the shavings after squeezing sugar cane sugar.
  • Example 8 A palm veneer was used as a base material.
  • the palm veneer was obtained by cutting a raw palm tree with a cutting machine.
  • the thickness of the coconut veneer is 4 mm.
  • Example 9 The same biomass molding material as the biomass molding material derived from the first residue of Example 6 (see “9-1” in Table 1) and the same biomass molding material as the single plate-shaped biomass molding material of Example 8 (Table 1 (See “9-2” in the above) and was used to manufacture a plate-shaped biomass molded body having a three-layer structure.
  • the three-layer structure is a structure including a core layer and surface layers on both sides of the core layer.
  • the core layer is formed of a single plate-shaped biomass molding material.
  • the surface layer is formed of the biomass molding material derived from the first residue.
  • the biomass molding material derived from the first residue, the single-plate biomass molding material, and the biomass molding material derived from the first residue were supplied in this order between the upper and lower hot plates. Then, the distance between the upper and lower hot plates was regulated by a distance bar so that the distance between the hot plates was 3 mm, and then thermocompression molding was performed under the molding conditions shown in Table 1 to produce a plate-shaped biomass molded body having a three-layer structure.
  • Example 3 A biomass molding material was manufactured in the same manner as in Example 1 except that the pre-reaction time was extended, and a plate-shaped biomass molding was manufactured using this biomass molding material.
  • the pre-reaction time was set to 20 minutes from the start of the curing reaction to the completion of the curing reaction.
  • Comparative example 4 A plate-shaped biomass molded body was manufactured in the same manner as in Comparative Example 1 except that the molding condition was extended.

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  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
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  • Manufacturing & Machinery (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
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Abstract

L'invention concerne un matériau moulé à base de biomasse qui est utilisé en tant que matériau pour un article moulé à base de biomasse. L'invention concerne en outre un procédé de production d'un matériau moulé à base de biomasse comprenant les étapes suivantes : initiation d'une réaction de durcissement de matériau n'ayant pas réagi contenant des morceaux broyés ou une seule feuille d'une plante contenant un saccharide et un acide polycarboxylique par chauffage dans un état non pressurisé ; et refroidissement pendant la réaction de durcissement pour terminer la réaction de durcissement.
PCT/JP2019/037269 2018-10-18 2019-09-24 Procédé de production de matériau moulé à base de biomasse, matériau moulé à base de biomasse, et procédé de production d'un article moulé à base de biomasse WO2020080046A1 (fr)

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JP2018-197045 2018-10-18

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JP7083140B1 (ja) 2021-12-28 2022-06-10 株式会社パームホルツ 板材およびその製造方法
JP7093138B1 (ja) 2021-12-07 2022-06-29 株式会社パームホルツ 木質ボード

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WO2022025108A1 (fr) * 2020-07-31 2022-02-03 パナソニック株式会社 Procédé de fabrication d'une planche en bois

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JP2012214687A (ja) * 2011-03-31 2012-11-08 Panasonic Corp 接着用組成物及びボード
JP2016196162A (ja) * 2015-04-06 2016-11-24 パナソニックＩｐマネジメント株式会社 繊維ボードの製造方法
JP2017140778A (ja) * 2016-02-10 2017-08-17 パナソニックＩｐマネジメント株式会社 ボードの製造方法

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JP2012214687A (ja) * 2011-03-31 2012-11-08 Panasonic Corp 接着用組成物及びボード
JP2016196162A (ja) * 2015-04-06 2016-11-24 パナソニックＩｐマネジメント株式会社 繊維ボードの製造方法
JP2017140778A (ja) * 2016-02-10 2017-08-17 パナソニックＩｐマネジメント株式会社 ボードの製造方法

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Publication number Priority date Publication date Assignee Title
JP7093138B1 (ja) 2021-12-07 2022-06-29 株式会社パームホルツ 木質ボード
JP2023084179A (ja) * 2021-12-07 2023-06-19 株式会社パームホルツ 木質ボード
JP7083140B1 (ja) 2021-12-28 2022-06-10 株式会社パームホルツ 板材およびその製造方法
JP2023097458A (ja) * 2021-12-28 2023-07-10 株式会社パームホルツ 板材およびその製造方法

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