WO2023022012A1 - Procédé destiné à la production d'une résine synthétique et procédé destiné à l'immobilisation du dioxyde de carbone - Google Patents

Procédé destiné à la production d'une résine synthétique et procédé destiné à l'immobilisation du dioxyde de carbone Download PDF

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Publication number
WO2023022012A1
WO2023022012A1 PCT/JP2022/029982 JP2022029982W WO2023022012A1 WO 2023022012 A1 WO2023022012 A1 WO 2023022012A1 JP 2022029982 W JP2022029982 W JP 2022029982W WO 2023022012 A1 WO2023022012 A1 WO 2023022012A1
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Prior art keywords
carbon dioxide
raw material
synthetic resin
synthesized
hydrogen
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PCT/JP2022/029982
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English (en)
Japanese (ja)
Inventor
勤 古田
友規 小谷
将啓 中村
充雄 矢口
信幸 小林
祥三 大塩
Original Assignee
パナソニックＩｐマネジメント株式会社
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Priority to JP2023542329A priority Critical patent/JPWO2023022012A1/ja
Priority to CN202280054012.5A priority patent/CN117794968A/zh
Publication of WO2023022012A1 publication Critical patent/WO2023022012A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
    • C07C273/04—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from carbon dioxide and ammonia
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00—Compounds having —CHO groups
    • C07C47/02—Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen
    • C07C47/04—Formaldehyde
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes

Definitions

  • the present disclosure relates to a synthetic resin production method and a carbon dioxide fixation method.
  • Patent Document 1 in order to provide a method for producing a urea resin having excellent physical properties such as hardness and heat resistance and a biodegradable resin body and a biodegradable urea resin composition, for 1 mol of urea, A urea resin is produced by reacting 1 mol or more and less than 1.3 mol of formaldehyde, and 15 to 80 parts by weight of a cellulose material is blended with 100 parts by weight of the urea resin obtained by this method to form a urea resin composition. It is disclosed to prepare a
  • the object of the present disclosure is to provide a synthetic resin production method that can reduce the environmental load during the production of synthetic resin, and a carbon dioxide fixation method that includes synthesizing this synthetic resin.
  • a carbon dioxide fixation method includes a first raw material synthesized in a step including reacting carbon dioxide with hydrogen, and a second raw material synthesized from carbon dioxide and different from the first raw material Including reacting with raw materials.
  • FIG. 1A is a flow chart showing a specific example of a synthetic resin manufacturing process in one embodiment of the present disclosure.
  • FIG. 1B is a flow chart showing a specific example of a synthetic resin manufacturing process in one embodiment of the present disclosure.
  • a urea resin composition is prepared by blending a cellulose material into a urea resin composition, thereby making a product made from the urea resin composition biodegradable. to reduce the environmental burden when disposing of urea resin.
  • the inventor attempted to reduce the overall load on the environment from the time synthetic resin is manufactured until it is discarded. Then, the invention advances research to develop a method for producing synthetic resin that can reduce the burden on the environment during the production of synthetic resin, and a method for fixing carbon dioxide that includes synthesizing this synthetic resin. Disclosure completed. However, the present disclosure should not be construed to be limited by the history of this development.
  • FIGS. 1A and 1B are flow diagram conceptually showing an example of the manufacturing process of the synthetic resin (X), and the manufacturing process of the synthetic resin (X) is shown in FIGS. 1A and 1B. There are no restrictions on the manufacturing process.
  • the method for producing the synthetic resin (X) according to the present embodiment includes the first raw material (A) synthesized in a step including reacting carbon dioxide with hydrogen, and the first raw material (A) synthesized from carbon dioxide. ) with a different second raw material (B). Therefore, since carbon dioxide can be used as a carbon source for the synthetic resin (X), it is possible not to use a substance derived from fossil resources such as petroleum as a carbon source for the synthetic resin (X), or to use a substance derived from fossil resources. Can reduce usage. As a result, consumption of precious fossil resources can be reduced, and opportunities for carbon dioxide derived from fossil resources to be released into the environment can be reduced, thereby contributing to suppression of global warming. Therefore, it is possible to reduce the burden on the environment during the production of the synthetic resin (X).
  • this synthetic resin (X) can be used to fix carbon dioxide.
  • the first raw material (A) synthesized in a step including reacting carbon dioxide with hydrogen and the first raw material (A) synthesized from carbon dioxide are Including reacting with a different second raw material (B).
  • the first raw material (A) synthesized in a process including reacting carbon dioxide with hydrogen is used.
  • the first raw material (A) may be a product produced by the reaction of carbon dioxide and hydrogen, or may be a product produced by further reacting this product.
  • the first raw material (A) contains, for example, at least one of methanol and formaldehyde.
  • Methanol is synthesized, for example, by reacting carbon dioxide and hydrogen in the presence of an appropriate catalyst, optionally by heating.
  • Formaldehyde is synthesized, for example, by heating methanol synthesized from carbon dioxide and hydrogen in air in the presence of a suitable catalyst (see FIGS. 1A and 1B).
  • the first raw material (A) is not limited to the above.
  • Carbon dioxide for synthesizing the first raw material (A) is, for example, carbon dioxide generated by combustion of organic matter (see FIGS. 1A and 1B), carbon dioxide generated by steam reforming of organic matter (see FIGS. 1A and 1B) ), and at least one selected from the group consisting of carbon dioxide extracted from volcanic gas during geothermal power generation.
  • the carbon dioxide that would normally be released to the environment can be used to synthesize the synthetic resin (X), so the amount of carbon dioxide released to the environment can be reduced. This can further contribute to the suppression of global warming.
  • the organic matter contains at least one selected from the group consisting of resin materials such as waste plastics, fossil resources, and the like.
  • the resin material may contain at least one of the synthetic resin (X) synthesized by the production method according to the present embodiment and a product made from the synthetic resin (X) (FIGS. 1A and 1B). 1B).
  • the generation of carbon dioxide can be suppressed when the synthetic resin (X) is discarded, and the carbon constituting the synthetic resin (X) can be circulated without being released into the environment, greatly reducing the burden on the environment. can.
  • the hydrogen for synthesizing the first raw material (A) is, for example, hydrogen produced by splitting water using a renewable energy source and hydrogen produced by steam reforming of organic matter (see FIG. 1B), at least including one.
  • the synthetic resin (X) it is possible to reduce the consumption of electric power that uses fossil resources as fuel, which accompanies the generation of carbon dioxide, thereby further reducing the burden on the environment during the production of the synthetic resin. .
  • Renewable energy sources are energy sources that can be used in perpetuity.
  • Clause 3 defines energy as "solar, wind and other non-fossil energy sources that are recognized as perpetually usable as energy sources.”
  • Renewable energy sources include, for example, at least one selected from the group consisting of sunlight, wind power, hydraulic power, geothermal heat, solar heat, heat in the atmosphere and other natural heat, and biomass.
  • Examples of water splitting using renewable energy sources include water electrolysis using electricity generated using renewable energy sources and water splitting using sunlight and photocatalysts. .
  • the organic matter contains at least one selected from the group consisting of resin materials such as waste plastics, fossil resources, and the like.
  • the resin material may contain at least one of the synthetic resin (X) synthesized by the manufacturing method according to the present embodiment and the product made from the synthetic resin (X) (see FIG. 1B). .
  • hydrogen constituting the synthetic resin (X) according to the present embodiment can be reused for synthesizing a new synthetic resin (X).
  • the carbon dioxide and hydrogen for synthesizing the first raw material (A) contain carbon dioxide and hydrogen generated by steam reforming of organic matter, respectively.
  • the synthetic resin (X) according to the present embodiment is The constituent carbon and hydrogen can be reused for the synthesis of new synthetic resin (X) (see FIG. 1B).
  • Carbon dioxide for synthesizing the first raw material (A) may contain carbon dioxide obtained by a method other than the above.
  • the hydrogen for synthesizing the first raw material (A) may include hydrogen obtained by a method other than the above.
  • the second raw material (B) is synthesized by a process including, for example, reacting carbon dioxide and ammonia (see FIGS. 1A and 1B).
  • synthetic resins containing nitrogen atoms, such as amino resins can be synthesized.
  • the second raw material (B) contains, for example, at least one of urea (see FIGS. 1A and 1B) and melamine.
  • Urea is synthesized, for example, by reacting carbon dioxide and ammonia in a heated and pressurized atmosphere (see FIGS. 1A and 1B).
  • Melamine is synthesized from urea synthesized from carbon dioxide, for example in a low pressure urea process or a high pressure urea process.
  • the second raw material (B) is not limited to the above.
  • Carbon dioxide for synthesizing the second raw material (B) is, for example, carbon dioxide generated by combustion of organic matter (see FIGS. 1A and 1B), carbon dioxide generated by steam reforming of organic matter (see FIGS. 1A and 1B) ), and at least one selected from the group consisting of carbon dioxide extracted from volcanic gas during geothermal power generation.
  • the carbon dioxide that would normally be released into the environment can be used to synthesize the synthetic resin (X), so that the amount of carbon dioxide released into the environment can be reduced.
  • the organic matter contains at least one selected from the group consisting of plant resources such as wood, resin materials such as waste plastic, and fossil resources.
  • the resin material contains at least one of the synthetic resin (X) synthesized by the production method according to the present embodiment and the product produced from the synthetic resin (X). (see FIGS. 1A and 1B). In that case, the carbon constituting the synthetic resin (X) can be circulated without being released into the environment, so that the load on the environment can be greatly reduced.
  • Carbon dioxide for synthesizing the second raw material (B) may include carbon dioxide obtained by a method other than the above.
  • this ammonia includes, for example, ammonia synthesized from nitrogen and hydrogen (see FIGS. 1A and 1B).
  • the Haber-Bosch method or the like can be used as a method for synthesizing ammonia.
  • the hydrogen in this case preferably includes at least one of hydrogen generated by decomposition of water using a renewable energy source and hydrogen generated by steam reforming of organic matter (see FIG. 1B).
  • Nitrogen preferably includes atmospheric nitrogen. In these cases, the burden on the environment during the production of ammonia can be reduced, so that the burden on the environment during the production of the synthetic resin (X) can be further reduced.
  • the organic matter in the steam reforming of organic matter has already been explained.
  • the resin material may contain at least one of the synthetic resin (X) and the product produced from the synthetic resin (X) in the manufacturing method according to the present embodiment. Good (see FIG. 1B).
  • hydrogen constituting the synthetic resin (X) according to the present embodiment can be reused for synthesizing a new synthetic resin (X).
  • the ammonia for synthesizing the second raw material (B) may contain ammonia obtained by a method other than the above.
  • the first raw material (A) and the second raw material (B) may be used as raw materials for the synthetic resin (X).
  • raw materials for the synthetic resin (X) in addition to the first raw material (A) and the second raw material (B), one or two raw materials different from the first raw material (A) and the second raw material (B) You may use the above raw materials.
  • the synthetic resin (X) may be synthesized in a single-step reaction using raw materials including the first raw material (A) and the second raw material (B), or may be synthesized in a multi-step reaction. .
  • the synthetic resin (X) may be synthesized from the first raw material (A) and the second raw material (B) in one step reaction, and the first raw material (A) and the second raw material (B) are reacted.
  • the synthetic resin (X) may be synthesized by further reacting the synthesized product.
  • the type of synthetic resin (X) synthesized in this embodiment is not limited as long as it is synthesized using the first raw material (A) and the second raw material (B).
  • the synthetic resin (X) is, for example, at least one selected from the group consisting of urea resin (see FIGS. 1A and 1B) and melamine resin.
  • the synthetic resin (X) is a urea resin
  • the first raw material (A) is formaldehyde and the second raw material (B) is urea (see FIGS. 1A and 1B).
  • the urea resin can be synthesized, for example, by subjecting formaldehyde and urea to a dehydration condensation reaction.
  • a cured (i.e., C-staged) urea resin may be synthesized by allowing the reaction between formaldehyde and urea to proceed completely, and by not allowing the reaction between formaldehyde and urea to proceed completely.
  • a urea resin in the form of a prepolymer (urea resin prepolymer) may be synthesized.
  • a C-stage urea resin may be synthesized by further reacting and curing the urea resin prepolymer.
  • Urea resin can be widely used for components such as casings of electrical equipment such as wiring devices, other electrical components, molded products such as tableware, buttons, and lacquer products, and adhesives. Nevertheless, recycling of urea resin is difficult. Therefore, if the urea resin is produced by the production method according to this embodiment, the burden on the environment can be greatly reduced.
  • the synthetic resin (X) is a melamine resin
  • the first raw material (A) is formaldehyde and the second raw material (B) is melamine.
  • formaldehyde and melamine are reacted under alkaline conditions to synthesize methylolmelamine, and the methylolmelamine is heated to cause polycondensation to synthesize a melamine resin.
  • the reaction of methylol melamine may be allowed to proceed completely to synthesize a cured (i.e., C-staged) melamine resin, and the reaction of methylol melamine may not be allowed to proceed completely to form a prepolymer.
  • a melamine resin (melamine resin prepolymer) may be synthesized.
  • a C-stage melamine resin may be synthesized by further reacting and curing the melamine resin prepolymer.
  • Melamine resin can be widely used for building materials, components such as casings of electrical equipment such as wiring devices, other electrical components, moldings such as tableware, and adhesives. Nevertheless, recycling of melamine resin is difficult. Therefore, if the melamine resin is produced by the production method according to this embodiment, the burden on the environment can be greatly reduced.
  • carbon dioxide can be immobilized by synthesizing the synthetic resin (X) using the method for producing the synthetic resin (X) described above, for example. .
  • CCS Carbon Dioxide Capture and Storage
  • carbon dioxide can be fixed more easily, and carbon dioxide can be fixed as a liquid such as methanol.
  • Carbon dioxide can be immobilized more stably than when
  • all or most of the carbon contained in the synthetic resin (X) can be carbon derived from carbon dioxide.
  • carbon dioxide is fixed at a high concentration in the synthetic resin (X). can.
  • the synthetic resin (X) is a thermosetting resin, carbon dioxide can be stably fixed over a long period of time.
  • urea resin is synthesized from hydrogen derived from fossil resources and nitrogen in the air, and urea is synthesized by reacting this ammonia with carbon dioxide generated in the process of synthesizing ammonia.
  • a formaldehyde aqueous solution is synthesized by synthesizing methanol from fossil resources, oxidizing this methanol with air, and dissolving it in water.
  • a urea resin is synthesized from the urea and formaldehyde aqueous solution. Energy derived from fossil resources is used as the energy used for these syntheses.
  • the carbon dioxide load in the above conventional urea resin manufacturing method the sum of the amount of carbon dioxide used and the amount of carbon dioxide released to the environment when manufacturing 1 kg of urea resin was calculated.
  • the LCI database IDEA Ver. Using the "urea resin" data registered in 2.3, the LCA system MiLCA Ver. Calculated in 2.3.
  • the carbon dioxide load is 1.96 kg.
  • the carbon dioxide loading for the synthesis of methanol is 25.9% and the carbon dioxide loading for the synthesis of ammonia is 25.4% of the total carbon dioxide loading in this conventional process.
  • 32.6% of carbon dioxide, which is the raw material of urea, and the total carbon dioxide load of the balance other than the above is 16.1%.
  • the carbon dioxide load reduction rate is , which is calculated to be about 26% at maximum.
  • the hydrogen that is the raw material of ammonia at least one of hydrogen produced by the decomposition of water using a renewable energy source and hydrogen produced by steam reforming of organic matter is used, and carbon dioxide that is the raw material of ammonia
  • carbon dioxide that is the raw material of ammonia
  • carbon dioxide load The volume is calculated to be further reduced by up to about 58%, ie a total reduction of up to about 84%.
  • the method for producing the synthetic resin (X) according to the first aspect of the present disclosure includes the first raw material (A) synthesized in a step including reacting carbon dioxide with hydrogen and a second raw material (B) different from the first raw material (A) synthesized from carbon dioxide.
  • At least one of carbon dioxide for synthesizing the first raw material (A) and carbon dioxide for synthesizing the second raw material (B) is , carbon dioxide produced by combustion of organic matter, carbon dioxide produced by steam reforming of organic matter, and carbon dioxide extracted from volcanic gas during geothermal power generation.
  • the amount of carbon dioxide released into the environment can be reduced, and the load on the environment during the production of the synthetic resin (X) can be further reduced.
  • the hydrogen for synthesizing the first raw material (A) is hydrogen generated by decomposition of water using a renewable energy source, and organic matter contains at least one of hydrogen generated by steam reforming of
  • the first raw material (A) contains at least one of methanol and formaldehyde.
  • synthetic resin (X) can be produced using at least one of methanol and formaldehyde as a raw material.
  • carbon dioxide for synthesizing the second raw material (B) is carbon dioxide generated by combustion of organic matter, steam reforming of organic matter It contains at least one selected from the group consisting of carbon dioxide produced by the process and carbon dioxide extracted from volcanic gas during geothermal power generation.
  • the amount of carbon dioxide released into the environment can be reduced, and the load on the environment during the production of the synthetic resin (X) can be further reduced.
  • the second raw material (B) is synthesized by a step including reacting carbon dioxide and ammonia.
  • a resin containing nitrogen atoms such as an amino resin can be synthesized as the synthetic resin (X).
  • the ammonia includes ammonia synthesized from hydrogen and nitrogen, and the hydrogen is hydrogen produced by splitting water using a renewable energy source and organic matter. At least one of hydrogen generated by steam reforming is included, and nitrogen includes nitrogen in the air.
  • the first raw material (A) is formaldehyde
  • the second raw material is urea
  • the synthetic resin (B) is Urea resin
  • a carbon dioxide fixation method includes a first raw material (A) synthesized in a step including reacting carbon dioxide with hydrogen, and a first raw material synthesized from carbon dioxide Including reacting with a second raw material (B) different from (A).
  • carbon dioxide can be immobilized by synthesizing the synthetic resin (X) using carbon dioxide as a carbon source.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Phenolic Resins Or Amino Resins (AREA)

Abstract

La présente divulgation aborde le problème de la fourniture d'un procédé qui est destiné à la production d'une résine synthétique (X) et qui permet de réduire la charge environnementale lors de la production de la résine synthétique (X). Un procédé destiné à la production de la résine synthétique (X) selon un aspect de la présente divulgation comprend le fait de provoquer une réaction entre un premier matériau (A) synthétisé dans une étape pour amener le dioxyde de carbone à réagir avec de l'hydrogène, et un second matériau (B) qui est différent du premier matériau (A) et qui est synthétisé à partir de dioxyde de carbone.
PCT/JP2022/029982 2021-08-18 2022-08-04 Procédé destiné à la production d'une résine synthétique et procédé destiné à l'immobilisation du dioxyde de carbone WO2023022012A1 (fr)

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JP2023542329A JPWO2023022012A1 (fr) 2021-08-18 2022-08-04
CN202280054012.5A CN117794968A (zh) 2021-08-18 2022-08-04 生产合成树脂的方法和固定二氧化碳的方法

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08245477A (ja) * 1995-03-13 1996-09-24 Sumitomo Metal Ind Ltd 二酸化炭素の接触水素化によるホルムアルデヒドの製造方法
JP2008536852A (ja) * 2005-04-15 2008-09-11 ユニヴァーシティー オブ サザン カリフォルニア 二酸化炭素のメタノール、ジメチルエーテルおよび派生生成物への効率的且つ選択的変換法
US20100205856A1 (en) * 2007-10-11 2010-08-19 Los Alamos National Security Llc Method of producing synthetic fuels and organic chemicals from atmospheric carbon dioxide
US20180072659A1 (en) * 2015-02-20 2018-03-15 Johnson Matthey Public Limited Company Process for the production of formaldehyde

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08245477A (ja) * 1995-03-13 1996-09-24 Sumitomo Metal Ind Ltd 二酸化炭素の接触水素化によるホルムアルデヒドの製造方法
JP2008536852A (ja) * 2005-04-15 2008-09-11 ユニヴァーシティー オブ サザン カリフォルニア 二酸化炭素のメタノール、ジメチルエーテルおよび派生生成物への効率的且つ選択的変換法
US20100205856A1 (en) * 2007-10-11 2010-08-19 Los Alamos National Security Llc Method of producing synthetic fuels and organic chemicals from atmospheric carbon dioxide
US20180072659A1 (en) * 2015-02-20 2018-03-15 Johnson Matthey Public Limited Company Process for the production of formaldehyde

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