WO2022075225A1 - ポリカーボネートポリオール組成物 - Google Patents

ポリカーボネートポリオール組成物 Download PDF

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Publication number
WO2022075225A1
WO2022075225A1 PCT/JP2021/036481 JP2021036481W WO2022075225A1 WO 2022075225 A1 WO2022075225 A1 WO 2022075225A1 JP 2021036481 W JP2021036481 W JP 2021036481W WO 2022075225 A1 WO2022075225 A1 WO 2022075225A1
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WO
WIPO (PCT)
Prior art keywords
polycarbonate polyol
polyol composition
group
polyurethane
composition
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2021/036481
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English (en)
French (fr)
Japanese (ja)
Inventor
康文 川合
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Asahi Kasei Corp, Asahi Chemical Industry Co Ltd filed Critical Asahi Kasei Corp
Priority to CN202180016760.XA priority Critical patent/CN115151588A/zh
Priority to US17/802,319 priority patent/US20230227598A1/en
Priority to EP21877524.5A priority patent/EP4227459A4/en
Priority to JP2022535475A priority patent/JP7114163B1/ja
Priority to CN202211265778.6A priority patent/CN115636916A/zh
Publication of WO2022075225A1 publication Critical patent/WO2022075225A1/ja
Priority to JP2022118032A priority patent/JP7833365B2/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/44—Polycarbonates
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/0804—Manufacture of polymers containing ionic or ionogenic groups
    • C08G18/0819—Manufacture of polymers containing ionic or ionogenic groups containing anionic or anionogenic groups
    • C08G18/0823—Manufacture of polymers containing ionic or ionogenic groups containing anionic or anionogenic groups containing carboxylate salt groups or groups forming them
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/0838—Manufacture of polymers in the presence of non-reactive compounds
    • C08G18/0842—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents
    • C08G18/0861—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents in the presence of a dispersing phase for the polymers or a phase dispersed in the polymers
    • C08G18/0866—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents in the presence of a dispersing phase for the polymers or a phase dispersed in the polymers the dispersing or dispersed phase being an aqueous medium
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/16—Catalysts
    • C08G18/22—Catalysts containing metal compounds
    • C08G18/24—Catalysts containing metal compounds of tin
    • C08G18/244—Catalysts containing metal compounds of tin tin salts of carboxylic acids
    • C08G18/246—Catalysts containing metal compounds of tin tin salts of carboxylic acids containing also tin-carbon bonds
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
    • C08G18/348—Hydroxycarboxylic acids
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/4202—Two or more polyesters of different physical or chemical nature
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/46—Polycondensates having carboxylic or carbonic ester groups in the main chain having heteroatoms other than oxygen
    • C08G18/4615—Polycondensates having carboxylic or carbonic ester groups in the main chain having heteroatoms other than oxygen containing nitrogen
    • C08G18/4638—Polycondensates having carboxylic or carbonic ester groups in the main chain having heteroatoms other than oxygen containing nitrogen containing heterocyclic rings having at least one nitrogen atom in the ring
    • C08G18/4661—Polycondensates having carboxylic or carbonic ester groups in the main chain having heteroatoms other than oxygen containing nitrogen containing heterocyclic rings having at least one nitrogen atom in the ring containing three nitrogen atoms in the ring
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6633—Compounds of group C08G18/42
    • C08G18/6659—Compounds of group C08G18/42 with compounds of group C08G18/34
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
    • C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
    • C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
    • C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
    • C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78—Nitrogen
    • C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
    • C08G18/791—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing isocyanurate groups
    • C08G18/792—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing isocyanurate groups formed by oligomerisation of aliphatic and/or cycloaliphatic isocyanates or isothiocyanates
    • 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
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/02—Aliphatic polycarbonates
    • C08G64/0208—Aliphatic polycarbonates saturated
    • 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
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/16—Aliphatic-aromatic or araliphatic polycarbonates
    • C08G64/1691—Aliphatic-aromatic or araliphatic polycarbonates unsaturated
    • 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
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/20—General preparatory processes
    • C08G64/30—General preparatory processes using carbonates
    • C08G64/305—General preparatory processes using carbonates and alcohols
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C09D175/06—Polyurethanes from polyesters
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
    • D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
    • D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
    • D06N3/146—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes characterised by the macromolecular diols used
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4833—Polyethers containing oxyethylene units

Definitions

  • the present invention relates to a polycarbonate polyol composition.
  • polyurethane resin has been used in a wide range of fields such as synthetic leather, artificial leather, adhesives, furniture paints, and automobile paints.
  • polyether, polyester, and polycarbonate are used as the polyol component to react with isocyanate.
  • resistance of polyurethane resins such as heat resistance, weather resistance, hydrolysis resistance, solvent resistance, sunscreen resistance, and scratch resistance.
  • Patent Document 1 discloses a polycarbonate polyol using 1,5-pentanediol and 1,6-hexanediol as diol components.
  • Patent Document 2 discloses a polycarbonate polyol using 1,4-butanediol and 1,6-hexanediol.
  • Patent Document 3 contains a hydroxyl group-terminated prepolymer containing a polyisocyanate (A), an aminoalcohol (B) and a polyol (C) as a monomer unit and having an isocyanurate ring structure, and a curing agent.
  • UV absorber polyurethane compositions are disclosed.
  • a leather-like sheet characterized by having (C), an adhesive layer (D), and a support layer (E) is disclosed.
  • a coating composition using a polycarbonate polyol as a polyol component requires more time to dry than a coating composition using a polyether or polyester as a polyol component, and the drying step tends to be longer. Further, even in polyurethane using a polycarbonate polyol as a polyol component, it may not be possible to meet the durability requirements expected for polyurethane resins in recent years.
  • the above-mentioned Patent Documents 1 and 2 also do not describe the drying property when the coating composition is used, and there is still room for improvement. Further, as the polyol having a urethane group, dimethylformamide, methylethylketone, etc., which are organic solvents having high dissolving power, are generally used.
  • the present inventor has a coating composition in which a polycarbonate polyol composition having a specific structure and a specific physical property has excellent compatibility with DPM and excellent drying property. And, they have found that it is possible to form a coating film and / or a polyurethane film having excellent durability, and have made the present invention.
  • R is a divalent linear, branched or cyclic aliphatic hydrocarbon group which may contain a heteroatom, or a divalent fragrance which may contain a heteroatom.
  • the paint according to [12], wherein the paint is a water-based paint.
  • the coating agent according to [14], wherein the coating agent is a water-based coating agent.
  • a coating composition having excellent compatibility with DPM and excellent drying property and a polycarbonate polyol composition capable of forming a coating film and / or a polyurethane film having excellent durability. ..
  • the present embodiment a mode for carrying out the present invention (hereinafter referred to as “the present embodiment”) will be described in detail.
  • the present invention is not limited to the following description, and can be variously modified and implemented within the scope of the gist thereof.
  • the polycarbonate polyol composition of the present embodiment is represented by an unmodified polycarbonate polyol containing a carbonate structure represented by the following formula (A), a carbonate structure represented by the following formula (A), and a formula (B) below.
  • 90 mol% or more of the total amount of terminal groups in the composition is a hydroxyl group, and the number of functional groups calculated by the following formula (II) is 2. It is 0.00 to 10.00.
  • R is a divalent linear, branched or cyclic aliphatic hydrocarbon group which may contain a heteroatom, or a divalent fragrance which may contain a heteroatom.
  • the polycarbonate polyol composition of the present embodiment is represented by an unmodified polycarbonate polyol containing a carbonate structure represented by the above formula (A), a carbonate structure represented by the above formula (A), and the above formula (B).
  • 90 mol% or more of the total amount of terminal groups in the composition is a hydroxyl group, and the number of functional groups calculated by the above formula (II) is 2.
  • the content is 0.00 to 10.00, it is possible to form a coating composition having excellent compatibility with DPM and excellent drying property, and a coating film and / or a polyurethane film having excellent durability.
  • the polycarbonate polyol composition of the present embodiment contains an unmodified polycarbonate polyol.
  • the polycarbonate polyol composition of the present embodiment has a tendency to lower the viscosity of the polycarbonate polyol composition and reduce the amount of solvent, prevent health problems and protect the environment, and DPM. It tends to have excellent compatibility with.
  • the method for analyzing the unmodified polycarbonate polyol in the polycarbonate polyol composition is not particularly limited, and for example, a method for fractionation / fractionation by GPC (gel permeation chromatography), NMR measurement, magnetic gradient NMR measurement, and FT-IR measurement can be mentioned. Further, the presence or absence of the unmodified polycarbonate polyol can be confirmed from the presence or absence of the carbonate group-derived structure, the presence or absence of the urethane group-derived structure, and the ratio thereof.
  • the content ratio of the unmodified polycarbonate polyol to the modified polycarbonate polyol is preferably within the range of the PB / PA value described later or within the range of the PB / POH value, and more preferably within the range of the PB / PA value. And within the range of PB / POH values.
  • 90 mol% or more of the total amount of terminal groups in the composition is a hydroxyl group, and 92 to 100 mol% of the total amount of terminal groups is preferably a hydroxyl group, preferably the total amount of terminal groups. It is more preferable that 95 to 100 mol% of the above is a hydroxyl group.
  • the polycarbonate polyol composition of the present embodiment has a coating composition having excellent compatibility with DPM and excellent drying property when the amount of hydroxyl groups in the terminal group is within the above range, and a coating film having excellent durability and / Alternatively, a polyurethane film can be formed.
  • the method for controlling the amount of hydroxyl groups in the terminal groups of the entire compound in the polycarbonate polyol composition of the present embodiment is not particularly limited, but for example, a high-purity raw material is used during the production of the polycarbonate diol composition. And a method of suppressing dehydration of the terminal hydroxyl group by setting the reaction temperature at the time of producing the polycarbonate diol composition to 200 ° C. or lower.
  • the terminal group other than the hydroxyl group is not particularly limited, and examples thereof include an alkyl group, a vinyl group, an aryl group and the like.
  • the amount of hydroxyl group in the terminal group can be measured by using the method described in Examples described later.
  • the lower limit of the hydroxyl value of the polycarbonate polyol composition of the present embodiment is preferably 5 mgKOH / g or more, more preferably 10 mgKOH / g or more, further preferably 15 mgKOH / g or more, and 20 mgKOH / g. It is more preferably g or more, particularly preferably 25 mgKOH / g or more, and extremely preferably 30 mgKOH / g or more.
  • the upper limit is preferably 700 mgKOH / g or less, more preferably 500 mgKOH / g or less, further preferably 400 mgKOH / g or less, further preferably 350 mgKOH / g or less, and even more preferably 300 mgKOH.
  • the polycarbonate polyol composition is particularly preferably / g or less, and extremely preferably 250 mgKOH / g or less.
  • the polycarbonate polyol composition tends to have excellent compatibility with DPM, and the coating composition obtained from such a polycarbonate polyol composition.
  • the drying property and the durability of the coating film and / or the polyurethane film tend to be better.
  • the method for controlling the hydroxyl value of the polycarbonate polyol composition of the present embodiment to the above range is not particularly limited, but for example, when the polycarbonate diol composition is produced, the raw material polycarbonate polyol is set so that the hydroxyl value is within the above range.
  • Examples thereof include a method of charging the isocyanate compound and a method of controlling by adding and / or extracting a polyhydric alcohol compound at the time of producing the polycarbonate diol composition.
  • the hydroxyl value can be calculated by using the method described in Examples described later.
  • the APHA of the polycarbonate polyol composition of the present embodiment is preferably 100 or less, more preferably 80 or less, further preferably 50 or less, and particularly preferably 30 or less.
  • the lower limit of APHA of the polycarbonate polyol composition of the present embodiment is not particularly limited, but is, for example, 0.
  • the method for controlling the APHA of the polycarbonate polyol composition of the present embodiment within the above range is not particularly limited, but for example, a method of using a raw material having an APHA of 100 or less at the time of producing the polycarbonate polyol composition, or the polycarbonate. Examples thereof include a method of suppressing coloring by setting the reaction temperature at the time of producing the diol composition to 200 ° C. or lower.
  • APHA can be measured by using the method described in Examples described later.
  • R is a divalent linear, branched or cyclic aliphatic hydrocarbon group which may contain a heteroatom, or a divalent aromatic which may contain a heteroatom. It is a hydrocarbon group.
  • the lower limit of the molecular weight of R is preferably 20 or more, more preferably 30 or more, and 40 or more. Is more preferable.
  • the upper limit of the molecular weight of R is preferably 3000 or less, more preferably 2500 or less, and further preferably 2200 or less.
  • R is an ethylene group (-CH 2 -CH 2- )
  • divalent linear aliphatic hydrocarbon group which may contain a hetero atom in R are not particularly limited, but for example, an ethylene group, a propylene group, a butylene group, a pentylene group, a hexylene group and a heptylene group.
  • a propylene group, a butylene group, a pentylene group, a hexylene group, a nonylene group, a decylene group, an oxyethylene group, an oxytetramethylene group, a polyoxyethylene group and a polyoxytetramethylene group are preferable.
  • the lower limit of the molecular weight of R is preferably 20 or more, more preferably 30 or more, and 40 or more. Is more preferable.
  • the upper limit of the molecular weight of R is preferably 3000 or less, more preferably 2500 or less, and further preferably 2200 or less.
  • the divalent branched fatty group hydrocarbon group which may contain a hetero atom in R is not particularly limited, but for example, an isopropylene group, an isobutylene group, a tert-butylene group, an isopentylene group, 2 , 2-Dimethyltrimethylene group, isohexylene group, isoheptylene group, isooctylene group, oxy1-methylethylene group, oxy2,2-dimethyltrimethylene group, polyoxy1-methylethylene group and the like.
  • an isopropylene group, an isobutylene group, an isopentylene group, a 2,2-dimethyltrimethylene group or an isohexylene group, an oxy1-methylethylene group and a polyoxy1-methylethylene group are preferable.
  • the lower limit of the molecular weight of R is preferably 20 or more, more preferably 30 or more, and 40 or more. Is even more preferable.
  • the upper limit of the molecular weight of R is preferably 3000 or less, more preferably 2500 or less, and further preferably 2200 or less.
  • the divalent cyclic aliphatic hydrocarbon group which may contain a hetero atom in R is not particularly limited, and examples thereof include a cyclobutylene group, a cyclopentylene group, a cyclohexylene group, and a cycloheptylene group. Be done.
  • the lower limit of the molecular weight of R is preferably 20 or more, more preferably 30 or more, and 40 or more. Is more preferable.
  • the upper limit of the molecular weight of R is preferably 3000 or less, more preferably 2500 or less, and further preferably 2200 or less.
  • the divalent aromatic hydrocarbon group that may contain a heteroatom in R is not particularly limited, and examples thereof include a phenylene group and a naphthylene group.
  • R a divalent linear, branched, or cyclic aliphatic hydrocarbon group which may contain a heteroatom having a lower limit of the molecular weight of R of 20 or more is preferable, and a lower limit of the molecular weight of R is preferable.
  • a aliphatic hydrocarbon group is more preferable, and a divalent linear aliphatic hydrocarbon group which may contain a heteroatom having an R molecular weight of 40 or more is further preferable.
  • a divalent linear, branched, or cyclic aliphatic hydrocarbon group which may contain a heteroatom having an upper limit of the molecular weight of R of 3000 or less is preferable, and an upper limit of the molecular weight of R is preferable.
  • a aliphatic hydrocarbon group is more preferable, and a divalent linear aliphatic hydrocarbon group which may contain a heteroatom having an upper limit of the molecular weight of R of 2200 or less is further preferable.
  • the lower limit of the number of functional groups calculated by the following formula (II) is 2.00 or more, preferably 2.20 or more, and preferably 2.30 or more. More preferably, it is more preferably 2.40 or more, further preferably 2.45 or more, and particularly preferably 2.50 or more.
  • the upper limit of the number of functional groups is 10.00 or less, preferably 8.00 or less, more preferably 6.00 or less, further preferably 5.00 or less, and 4.50. It is more preferably less than or equal to, particularly preferably 3.50 or less, and extremely preferably 3.40 or less.
  • the drying property of the coating composition using the polycarbonate polyol composition of the present embodiment and the durability of the polyurethane using the polycarbonate polyol composition of the present embodiment tend to be further excellent.
  • the method for controlling the number of functional groups of the polycarbonate polyol composition of the present embodiment is not particularly limited, but for example, when the polycarbonate diol composition is produced, the raw material polycarbonate polyol is set so that the number of functional groups is within the above range.
  • Examples thereof include a method of charging with an isocyanate compound and a method of controlling by adding and / or extracting a polyhydric alcohol compound at the time of producing the polycarbonate diol composition.
  • the number of functional groups of the polycarbonate polyol composition can be calculated by using the method described in Examples described later.
  • the lower limit of the number average molecular weight (Mn) of the polycarbonate polyol composition of the present embodiment is preferably 300 or more, more preferably 400 or more, further preferably 500 or more, further preferably 800 or more, particularly preferably 1000 or more, and 1200 or more. Is more particularly preferable, and 1400 or more is extremely preferable.
  • the upper limit of the number average molecular weight (Mn) of the polycarbonate polyol composition of the present embodiment is preferably 10,000 or less, more preferably 8000 or less, further preferably 5000 or less, further preferably 4500 or less, and particularly preferably 4000 or less. 3800 or less is more preferable, 3500 or less is extremely preferable, and 3200 or less is even more preferable.
  • the polycarbonate polyol composition of the present embodiment has excellent compatibility with DPM and water dispersibility, and the coating composition using such a polycarbonate polyol composition is dried.
  • the properties tend to be more excellent, and the durability of polyurethane using such a polycarbonate polyol composition tends to be further excellent.
  • the method for controlling the number average molecular weight (Mn) of the polycarbonate polyol composition of the present embodiment is not particularly limited, but for example, the number average molecular weight (Mn) is within the above range when the polycarbonate diol composition is produced.
  • a method of charging the raw material polycarbonate polyol and the isocyanate compound, and a method of controlling by adding and / or extracting the polyhydric alcohol compound at the time of producing the polycarbonate diol composition can be mentioned.
  • the number average molecular weight (Mn) of the polycarbonate polyol composition can be calculated by the GPC measurement described in Examples described later.
  • the lower limit of the molecular weight distribution (Mw / Mn) of the polycarbonate polyol composition of the present embodiment is preferably 1.00 or more, more preferably 1.20 or more, further preferably 1.50 or more, and more preferably 1.80 or more. More preferably, 2.00 or more is particularly preferable, 2.10 or more is particularly preferable, and 2.20 or more is extremely preferable.
  • the upper limit is preferably 7.00 or less, more preferably 6.00 or less, further preferably 5.00 or less, further preferably 4.50 or less, particularly preferably 4.00 or less, and 3.70 or less. More preferably, 3.50 or less is extremely preferable, and 3.30 or less is even more preferable.
  • the polycarbonate polyol composition of the present embodiment is excellent in compatibility with DPM and water dispersibility, and a coating composition using such a polycarbonate polyol composition is used.
  • the drying property tends to be more excellent, and the durability of polyurethane using such a polycarbonate polyol composition tends to be further excellent.
  • the method for controlling the molecular weight distribution (Mw / Mn) of the polycarbonate polyol composition of the present embodiment is not particularly limited, but for example, the molecular weight distribution (Mw / Mn) is set during the production of the polycarbonate diol composition.
  • examples thereof include a method of charging a raw material polycarbonate polyol and an isocyanate compound so as to fall within the above range, and a method of controlling by adding and / or extracting a polyhydric alcohol compound at the time of producing the polycarbonate diol composition.
  • the number average molecular weight (Mn) and the weight average molecular weight (Mw) of the polycarbonate polyol composition can be calculated by the GPC measurement described in Examples described later, and the calculated number average molecular weight (Mn).
  • the weight average molecular weight (Mw), the molecular weight distribution (Mw / Mn) can be obtained by the following formula (III).
  • Molecular weight distribution (Mw / Mn) weight average molecular weight (Mw) / number average molecular weight (Mn) ... (III)
  • Infrared absorption spectrum measured by FT-IR of the polycarbonate polyol composition of the present embodiment Infrared absorption spectrum around a wave number of 1743 cm -1 , which is mainly derived from the carbonate structure represented by the formula (A).
  • the height of the absorbance (Abs) peak is defined as PA
  • the height of the infrared absorption spectrum absorbance (Abs) peak near the wave number of 1691 cm -1 which is mainly derived from the urethane structure represented by the formula (B)
  • the lower limit of the PB / PA value is preferably 0.01 or more, more preferably 0.05 or more, further preferably 0.08 or more, and 0.10.
  • the above is even more preferable, 0.12 or more is particularly preferable, and 0.15 or more is particularly preferable.
  • the upper limit is preferably 1.00 or less, more preferably 0.80 or less, further preferably 0.70 or less, still more preferably 0.60 or less, and 0.50. It is particularly preferably less than or equal to, more preferably 0.40 or less, and extremely preferably 0.35 or less.
  • the polycarbonate polyol composition of the present embodiment has excellent compatibility with DPM, and the durability and flexibility of the coating composition and polyurethane obtained from such a polycarbonate polyol composition. Tends to be superior.
  • the method for controlling the PB / PA value of the polycarbonate polyol composition of the present embodiment within the above range is not particularly limited, but for example, PB / while measuring with FT-IR at the time of producing the polycarbonate diol composition.
  • the following formula (IV) calculated from the method of charging the raw material polycarbonate polyol and the isocyanate compound so that the PA value is within the above range, and the number of urethane group moles and carbonate group moles of the obtained polycarbonate polyol composition. Examples thereof include a method in which the raw material polycarbonate polyol and the isocyanate compound are charged so that the calculated PB / PA value is within the above range of PB / PA.
  • Calculation PB / PA 0.0282 ⁇ X1 + 0.1595 ...
  • X1 (number of moles of urethane group / number of moles of carbonate group) x 100
  • Mn number average molecular weight
  • the calculated PB / PA values calculated from the number of moles of urethane groups and the number of moles of carbonate groups in the obtained polycarbonate polyol composition are as follows.
  • the number of moles of carbonate groups of 1 mol of polycarbonate diol can be calculated from the following formula (V).
  • Number of moles of carbonate group (Mn-34-mR1) / (60 + mR1) ... (V)
  • Mn represents a number average molecular weight (Mn) and can be calculated by GPC measurement described in Examples described later.
  • mR1 represents the molecular weight of R1 of the polycarbonate diol represented by the following formula (A1).
  • the PB / PA value of the polycarbonate polyol composition can be calculated by using the method described in Examples described later.
  • the infrared absorption spectra having a wave number of around 1691 cm -1 , which is mainly derived from the urethane structure represented by the formula (B).
  • the height of the absorbance (Abs) peak is defined as PB
  • the height of the infrared absorption spectrum absorbance (Abs) peak near the wave number of 3000 to 3800 cm -1 , which is mainly derived from the hydroxyl group is defined as POH, PB /
  • the lower limit of the POH value is preferably 0.50 or more, more preferably 1.00 or more, further preferably 1.10 or more, and further preferably 1.20 or more.
  • the upper limit of the PB / POH value is preferably 10.00 or less, more preferably 7.00 or less, further preferably 5.00 or less, and 4.50 or less. It is even more preferably 4.00 or less, and even more preferably 3.50 or more.
  • the polycarbonate polyol composition of the present embodiment has excellent compatibility with DPM, and the pot life of the coating composition obtained from such a polycarbonate polyol composition tends to be excellent. ..
  • the method for controlling the PB / POH value of the polycarbonate polyol composition of the present embodiment within the above range is not particularly limited, but for example, the PB / POH value may be within the above range during the production of the polycarbonate diol composition.
  • Mn number average molecular weight
  • the calculated PB / POH values calculated from the number of moles of urethane groups and the number of moles of carbonate groups in the obtained polycarbonate polyol composition are as follows.
  • the PB / POH value of the polycarbonate polyol composition can be calculated by using the method described in Examples described later.
  • the modified polycarbonate polyol can have a cyclic structure.
  • the cyclic structure is not particularly limited, and examples thereof include an aliphatic hydrocarbon group which may contain a heteroatom, an aromatic hydrocarbon group which may contain a heteroatom, and the like. Of these, from the viewpoint of durability, an aliphatic hydrocarbon group which may contain a hetero atom is preferable.
  • the aliphatic hydrocarbon group which may contain a hetero atom is not particularly limited, but specifically, for example, a cyclobutylene group, a cyclopentylene group, a cyclohexylene group, a cycloheptyrene group, a cyclic group derived from isosorbide, and the like.
  • examples thereof include an isocyanurate group, a uretdione group, and an iminooxadiazinedione group.
  • the cyclic structure is an isocyanurate ring.
  • the unmodified polycarbonate polyol and / or the modified polycarbonate polyol can have a hydrophilic structure.
  • the hydrophilic structure is not particularly limited, and examples thereof include nonionic hydrophilic groups, anionic hydrophilic groups, and cationic hydrophilic groups. Of these, nonionic hydrophilic groups and anionic hydrophilic groups are preferable from the viewpoint of versatility.
  • the nonionic hydrophilic group is not particularly limited, and specific examples thereof include an oxyethylene group and a polyoxyethylene group.
  • the anionic hydrophilic group is not particularly limited, and specific examples thereof include a sulfonic acid group and a carboxyl group.
  • the lower limit of the content of the unmodified polycarbonate polyol and / or the modified polycarbonate polyol having a hydrophilic structure in the polycarbonate polyol composition is not particularly limited, but in the evaluation of water dispersibility described in Examples described later, ⁇ .
  • the upper limit is preferably 50 mol% or less, more preferably 35 mol% or less, further preferably 30 mol% or less, further preferably 25 mol% or less, particularly preferably 20 mol% or less, particularly preferably 15 mol% or less, and more preferably 10 mol% or less. Extremely preferable.
  • the aqueous dispersion of the polycarbonate polyol composition of the present embodiment tends to be stable. There is a tendency for the durability and flexibility of the coating composition and polyurethane obtained from such a polycarbonate polyol composition to be excellent.
  • the polycarbonate polyol composition of the present embodiment can be dispersed in water.
  • the stability of the water-based coating composition using the polycarbonate polyol composition and / or the stability of the water-based polyurethane tends to be improved.
  • the possibility of dispersing the polycarbonate polyol composition in water can be determined by the water dispersibility described in Examples described later.
  • the polycarbonate polyol composition of the present embodiment may be a polycarbonate polyol alone, or may contain other components as long as the effects of the present invention are not impaired.
  • the other components are not particularly limited, and examples thereof include polyhydric alcohol compounds and polyols such as polyester polyols, acrylic polyols, polyether polyols, polyolefin polyols, and fluorine polyols described in JP-A-2018-012769. ..
  • the polycarbonate polyol composition of the present embodiment can be obtained, for example, by reacting a polycarbonate polyol with an isocyanate compound in the presence of a transesterification reaction catalyst described later.
  • the polycarbonate diol composition may become cloudy or may be easily colored by heating.
  • the reaction when producing polyurethane, the reaction may be inhibited or the reaction may be excessively promoted. If the amount of catalyst is too small, the reaction progress tends to be slow, which is not preferable.
  • the amount of the catalyst remaining in the polycarbonate polyol composition is not particularly limited, but the lower limit of the content in terms of catalyst metal is preferably 0.00001% by mass or more, more preferably 0.00005% by mass or more. 0.0001% by mass or more is further preferable, and 0.0005% by mass or more is even more preferable.
  • the upper limit is preferably 0.1% by mass or less, more preferably 0.05% by mass or less, further preferably 0.03% by mass or less, further preferably 0.02% by mass or less, and 0.015% by mass.
  • the following is particularly preferable, 0.01% by mass or less is particularly preferable, and 0.005% by mass or less is extremely preferable.
  • the APHA of the raw material used in producing the polycarbonate polyol composition of the present embodiment is preferably 100 or less, more preferably 80 or less, further preferably 50 or less, further preferably 30 or less, and particularly preferably 20 or less. ..
  • the raw material APHA is not more than the above value, the chromaticity (APHA) of the obtained polycarbonate polyol composition tends to be excellent.
  • the polycarbonate polyol used in producing the polycarbonate polyol composition of the present embodiment is not particularly limited, but can be obtained, for example, by the method for producing a polycarbonate polyol described later. Commercially available products can also be used, and are not particularly limited. Product name) ”series and the like.
  • the isocyanate compound used in producing the polycarbonate polyol composition of the present embodiment is not particularly limited, and is, for example, an aliphatic diisocyanate such as hexamethylene diisocyanate and trimethylhexamethylene diisocyanate, and an alicyclic type such as isophorone diisocyanate.
  • Aromatic diisocyanates such as diisocyanate, tolylene diisocyanate, 4,4'-diphenylmethane diisocyanate (hereinafter, may be abbreviated as "MDI"), xylylene diisocyanate and naphthylene diisocyanate, triphenylmethane-4,4'- Of 4''-triisocyanate, 1,3,5-triisocyanatobenzene, 2,4,6-triisocyanatotoene and 4,4'-dimethyldiphenylmethane-2,2', 5,5'-tetraisocyanate
  • MDI diisocyanate
  • xylylene diisocyanate and naphthylene diisocyanate xylylene diisocyanate and naphthylene diisocyanate
  • triphenylmethane-4,4'- Of 4''-triisocyanate 1,3,5-triisocyanatobenzene, 2,4,6
  • the commercially available isocyanate compound is not particularly limited, but for example, 24A-100, 22A-75P, TPA-100, TKA-100, P301-75E, D101, D201, 21S-75E, MFA-manufactured by Asahi Kasei Corporation.
  • reaction conditions for polycarbonate polyol composition The reaction between the polycarbonate polyol and the isocyanate compound is not particularly limited, but specifically, it can be carried out by, for example, mixing raw materials and stirring while heating.
  • the reaction temperature is not particularly limited, but the lower limit is preferably 50 ° C. or higher, more preferably 60 ° C. or higher, further preferably 70 ° C. or higher, still more preferably 80 ° C. or higher.
  • the upper limit is preferably 250 ° C. or lower, more preferably 200 ° C. or lower, further preferably 180 ° C. or lower, and even more preferably 160 ° C. or lower.
  • reaction temperature By setting the reaction temperature to the above lower limit or higher, the reaction can be carried out in a shorter time, which is excellent in economy. By setting the reaction temperature to the above upper limit value or less, coloring of the obtained polycarbonate polyol composition can be more effectively prevented.
  • the reaction pressure is not particularly limited, but is preferably normal pressure or higher and 1 MPa or lower. By setting the reaction pressure within the above range, the reaction can be carried out more easily. Further, when an auxiliary raw material is used, the reaction can be promoted more efficiently by pressurizing to some extent in consideration of these vapor pressures and the like.
  • the progress and completion of the reaction can be confirmed by GPC (gel permeation chromatography) measurement and FT-IR (Fourier transform infrared spectrophotometer).
  • GPC gel permeation chromatography
  • FT-IR Fastier transform infrared spectrophotometer
  • the peak derived from the raw material becomes smaller with time by GPC measurement, and it can be confirmed by the disappearance of the peak.
  • FT-IR that the infrared absorption spectrum absorbance (Abs) peak near the wave number 2273 cm -1 , which is derived from the isocyanate group (-NCO group), disappears.
  • a step of dehydrating the raw material to be used may be performed as a pretreatment before the above reaction.
  • the method for producing the polycarbonate polyol used for producing the polycarbonate polyol composition of the present embodiment is not particularly limited, and a known method can also be adopted.
  • a carbonate compound and a diol compound can be reacted in the presence of a transesterification catalyst to obtain a polycarbonate polyol.
  • Carbonate compound examples of the carbonate compound used for producing the polycarbonate polyol include, but are not limited to, alkylene carbonate, dialkyl carbonate, diaryl carbonate and the like.
  • the alkylene carbonate is not particularly limited, and examples thereof include ethylene carbonate, trimethylene carbonate, 1,2-propylene carbonate, 1,2-butylene carbonate, 1,3-butylene carbonate, 1,2-pentylene carbonate and the like. Be done.
  • the dialkyl carbonate is not particularly limited, and examples thereof include dimethyl carbonate, diethyl carbonate, dipropyl carbonate, and dibutyl carbonate.
  • the diallyl carbonate is not particularly limited, and examples thereof include diphenyl carbonate and the like.
  • alkylene carbonate is preferable, and dimethyl carbonate and ethylene carbonate are more preferable.
  • the diol compound used for producing the polycarbonate polyol is not limited to the following, and is, for example, a linear polyhydric alcohol compound, a branched chain polyhydric alcohol compound, a cyclic polyhydric alcohol compound, and a polyhydric compound having an aromatic ring. Alcohol compounds can be mentioned.
  • the linear polyhydric alcohol compound is not particularly limited, but for example, ethylene glycol, 1,3-propanediol, 1,4-butanediol, 1,5-pentanediol, 1,6-hexanediol, 1, 7-Heptanediol, 1,8-octanediol, 1,9-nonanediol, 1,10-decanediol, 1,11-undecanediol, 1,12-dodecanediol, diethylene glycol, triethylene glycol, polyethylene glycol, poly Examples thereof include tetraethylene glycol.
  • the branched polyhydric alcohol compound is not particularly limited, and is, for example, 2-methyl-1,8-octanediol, neopentyl glycol, 2-ethyl-1,6-hexanediol, 2-methyl-1,3. -Propanediol, 3-methyl-1,5-pentanediol, 2,4-dimethyl-1,5-pentanediol, 2,4-diethyl-1,5-pentanediol, trimethylolpropane, pentaerythritol, polypropylene glycol And so on.
  • the cyclic polyhydric alcohol compound is not particularly limited, and is, for example, 1,3-cyclohexanediol, 1,4-cyclohexanediol, 1,4-cyclohexanedimethanol, 2-bis (4-hydroxycyclohexyl) -propaneisosol. Bide and the like can be mentioned.
  • a transesterification reaction catalyst can be used in the production of the polycarbonate polyol.
  • the transesterification reaction catalyst is not particularly limited, and examples thereof include alkali metals and alkaline earth metals, and alcoholates thereof, hydrides thereof, oxides thereof, amides thereof, hydroxides thereof and salts thereof.
  • the salts of the alkali metal and the alkaline earth metal are not particularly limited, and examples thereof include carbonates, nitrogen-containing borates, and basic salts with organic acids.
  • the alkali metal is not particularly limited, and examples thereof include lithium, sodium, and potassium.
  • the alkaline earth metal is not particularly limited, and examples thereof include magnesium, calcium, strontium, barium and the like.
  • the ester exchange catalyst using a metal other than the alkali metal and the alkaline earth metal is not particularly limited, but for example, a metal other than the alkali metal and the alkaline earth metal, a salt thereof, an alcoholate thereof, and the like. Examples thereof include organic compounds containing metals.
  • metals other than alkali metals and alkaline earth metals are not particularly limited, but for example, aluminum, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, zinc, gallium, germanium, zirconium, niobium, etc.
  • metals other than alkali metals and alkaline earth metals are not particularly limited, but for example, aluminum, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, zinc, gallium, germanium, zirconium, niobium, etc.
  • examples thereof include molybdenum, ruthenium, rhodium, palladium, silver, indium, tin, antimony, tungsten, renium, osmium, iridium, platinum, gold, gallium, lead, bismuth, and itterbium.
  • transesterification catalysts can be used alone or in combination of two or more.
  • the transesterification reaction catalyst the transesterification reaction for obtaining a polycarbonate polyol is performed better, and when the obtained polycarbonate polyol is used, the influence on the urethane reaction is smaller, so that sodium, potassium, magnesium, potassium, etc.
  • One or more metals selected from the group consisting of titanium, zirconium, tin, lead and itterbium, or salts thereof, alkoxides thereof, or organic compounds containing the metals are preferable.
  • transesterification reaction catalyst one or more metals selected from the group consisting of magnesium, titanium, ytterbium, tin, zinc and zirconium are more preferable. Further, as the transesterification reaction catalyst, one or more metals selected from the group consisting of magnesium, titanium, ytterbium, zinc and zirconium are more preferable.
  • preferable ester exchange catalysts include organic compounds of titanium, organic compounds of magnesium, organic compounds of zinc, organic compounds of itterbium, and organic compounds of zirconium.
  • the organic compound of titanium is not particularly limited, and examples thereof include titanium tetra-n-butoxide, titanium tetra n-propoxide, and titanium tetraisopropoxide.
  • the organic compound of magnesium is not particularly limited, and is, for example, magnesium acetate, magnesium (II) acetylacetonate, 2,2,6,6-tetramethyl-3,5-heptandionatmagnesium (II) dihydration. Things and the like can be mentioned.
  • the organic compound of zinc is not particularly limited, and examples thereof include zinc acetate, zinc (II) acetylacetonate, and 2,2,6,6-tetramethyl-3,5-heptandionat zinc (II).
  • the organic compound of ytterbium is not particularly limited, and for example, ytterbium (III) isopropoxide, ytterbium trifluoromethanesulfonate (III), ytterbium (cyclopentadienyl) ytterbium (III), acetylacetonatoytterbium (III).
  • ytterbium (III) isopropoxide
  • ytterbium (cyclopentadienyl) ytterbium (III) acetylacetonatoytterbium (III).
  • examples include hydrates.
  • the organic compound of zirconium is not particularly limited, and examples thereof include zirconium (IV) acetylacetone, zirconium (IV) tetrapropoxide, zirconium (IV) tetrabutoxide, and zirconium (IV) acetylacetonate.
  • the lower limit of the amount of the transesterification reaction catalyst used is preferably 0.00001% by mass or more, more preferably 0.0001% by mass or more, based on the total mass of the raw materials.
  • the upper limit is preferably 0.1% by mass or less, more preferably 0.05% by mass or less, further preferably 0.025% by mass or less, still more preferably 0.015% by mass or less, and 0.01% by mass. The following are particularly preferred.
  • the transesterification catalyst used in the transesterification reaction can be calculated based on the amount of the transesterification reaction catalyst used because it is not consumed in the transesterification reaction when the heat treatment is continued after the production of the polycarbonate polyol.
  • the amount of metal of the transesterification reaction catalyst contained in the polycarbonate polyol is measured by ICP (inductively coupled plasma).
  • the polycarbonate diol may become cloudy or easily colored by heating.
  • the reaction when producing polyurethane, the reaction may be inhibited or the reaction may be excessively promoted. If the amount of catalyst is too small, the reaction progress tends to be slow, which is not preferable.
  • the amount of the catalyst remaining in the polycarbonate polyol is not particularly limited, but the lower limit of the content in terms of catalyst metal is preferably 0.00001% by mass or more, more preferably 0.00005% by mass or more, and 0. 0001% by mass or more is further preferable, and 0.0005% by mass or more is even more preferable.
  • the upper limit is preferably 0.1% by mass or less, more preferably 0.05% by mass or less, further preferably 0.03% by mass or less, further preferably 0.02% by mass or less, and 0.015% by mass.
  • the following is particularly preferable, 0.01% by mass or less is particularly preferable, and 0.005% by mass or less is extremely preferable.
  • polycarbonate polyol used in the present embodiment can also be produced by a transesterification reaction between a polycarbonate polyol and a diol compound, or two or more types of polycarbonate polyols.
  • the polycarbonate polyol as a raw material contains a catalytic poison of the transesterification reaction catalyst used at the time of its production, the transesterification reaction usually tends to be difficult to proceed. Therefore, when producing the polycarbonate polyol, a required amount of the above-mentioned transesterification reaction catalyst can be newly added.
  • the transesterification reaction in the present embodiment usually tends to proceed easily.
  • a necessary amount of the transesterification reaction catalyst can be newly added. In that case, the same catalyst as the transesterification reaction catalyst used in the production of the polycarbonate polyol as a raw material can be adopted.
  • the transesterification reaction can be carried out by mixing the raw materials and stirring while heating.
  • the temperature of the transesterification reaction is not particularly limited, but the lower limit is preferably 120 ° C. or higher, more preferably 140 ° C. or higher, and the upper limit is preferably 250 ° C. or lower, more preferably 200 ° C. or lower.
  • the transesterification reaction can be performed in a shorter time, which is excellent in economy.
  • the reaction temperature By setting the reaction temperature to the above upper limit value or less, coloring of the obtained polycarbonate polyol can be more effectively prevented.
  • the reaction pressure of the transesterification reaction is not particularly limited, but is preferably normal pressure or higher and 1 MPa or lower. By setting the reaction pressure within the above range, the reaction can be carried out more easily. Further, when an auxiliary raw material is used, the transesterification reaction can be promoted more efficiently by pressurizing to some extent in consideration of these vapor pressures and the like.
  • the progress and completion of the transesterification reaction can be confirmed by GPC measurement.
  • the peak derived from the raw material becomes smaller with time, and it can be confirmed by the disappearance of the peak.
  • a step of dehydrating the raw material to be used may be performed as a pretreatment before the transesterification reaction described above.
  • a step of adding the catalyst poison described above to the transesterification reaction catalyst may be performed as a post-treatment.
  • the paint of this embodiment contains the above-mentioned polycarbonate polyol composition.
  • the coating material of the present embodiment is excellent in drying property by containing the above-mentioned polycarbonate polyol composition.
  • the paint of this embodiment is preferably a water-based paint.
  • the paint of the present embodiment is a water-based paint, it tends to reduce volatile organic compounds (VOC).
  • the paint of this embodiment may contain other components in addition to the above-mentioned polycarbonate polyol composition.
  • the other components are not particularly limited, but are, for example, curable compositions, polyhydric alcohol compounds, polyester polyols, acrylic polyols, polyether polyols, polyolefin polyols, fluorine polyols and the like described in JP-A-2018-022769. Examples include polyols.
  • the paint (paint composition) of the present embodiment may include, for example, a curing accelerator (catalyst), a matting agent, a settling inhibitor, a leveling agent, a filler, a dispersant, depending on various uses.
  • a curing accelerator catalyst
  • a matting agent such as a glycerol, a glycerol, a glycerol, a settling inhibitor, a leveling agent, a filler, a dispersant, depending on various uses.
  • additives such as flame retardants, dyes, organic or inorganic pigments, mold release agents, fluidity modifiers, plasticizers, antioxidants, UV absorbers, light stabilizers, defoamers, colorants, solvents, etc. be able to.
  • a coating composition having different properties such as a soft feel coating material and a clear coating material.
  • the paint of the present embodiment can also be obtained by using polyurethane or water-based polyurethane described later.
  • the coating agent of this embodiment contains the above-mentioned polycarbonate polyol composition.
  • the coating agent of the present embodiment is excellent in drying property by containing the above-mentioned polycarbonate polyol composition.
  • the coating agent of this embodiment is preferably a water-based coating agent.
  • the coating agent of the present embodiment is a water-based coating agent, it tends to reduce volatile organic compounds (VOC).
  • the coating agent of the present embodiment may contain other components in addition to the above-mentioned polycarbonate polyol composition.
  • the other components are not particularly limited, but are, for example, curable compositions, polyhydric alcohol compounds, polyester polyols, acrylic polyols, polyether polyols, polyolefin polyols, fluorine polyols and the like described in JP-A-2018-022769. Examples include polyols.
  • the coating agent (coating composition) of the present embodiment includes, for example, a curing accelerator (catalyst), a matting agent, a settling inhibitor, a leveling agent, a filler, a dispersant, a flame retardant, a dye, and the like, depending on various uses.
  • a curing accelerator catalyst
  • Other additives such as organic or inorganic pigments, mold release agents, fluidity modifiers, plasticizers, antioxidants, ultraviolet absorbers, light stabilizers, defoamers, colorants, solvents and the like can be added.
  • coating compositions having different properties such as soft-feel paints and clear paints can be obtained.
  • the coating agent of the present embodiment can also be obtained by using polyurethane or water-based polyurethane described later.
  • the polyurethane of the present embodiment is obtained by using the above-mentioned polycarbonate polyol composition.
  • the polyurethane of the present embodiment is excellent in durability because it is obtained by using the above-mentioned polycarbonate polyol composition.
  • the water-based polyurethane of the present embodiment can be obtained by using the above-mentioned polycarbonate polyol composition.
  • the water-based polyurethane of the present embodiment is excellent in durability because it is obtained by using the above-mentioned polycarbonate polyol composition.
  • the method for obtaining the polyurethane of the present embodiment is not particularly limited, but for example, using the above-mentioned polycarbonate polyol composition and isocyanate compound, an NCO group-terminated prepolymer is synthesized, and then a polyhydric alcohol and / or a polyamine is added.
  • Examples thereof include a prepolymer method (two-step method) for promoting chain extension, and a one-shot method (one-step method) in which the above-mentioned polycarbonate polyol composition is simultaneously polymerized with an isocyanate compound, a polyhydric alcohol and / or a polyamine.
  • the method for obtaining the water-based polyurethane of the present embodiment is not particularly limited, and examples thereof include the method described in Examples of JP-A-2017-71685.
  • the artificial leather of this embodiment is obtained by using the above-mentioned polyurethane or water-based polyurethane.
  • the artificial leather of the present embodiment is excellent in durability because it is obtained by using the above-mentioned polyurethane or water-based polyurethane.
  • the synthetic leather of this embodiment is obtained by using the above-mentioned polyurethane or water-based polyurethane.
  • the synthetic leather of the present embodiment is excellent in durability because it is obtained by using the above-mentioned polyurethane or water-based polyurethane.
  • the coating film of the present embodiment is obtained from the above-mentioned paint film or coating agent.
  • the coating film of the present embodiment is excellent in durability because it is obtained from the above-mentioned paint or coating agent.
  • the film of this embodiment is obtained from the above-mentioned paint or coating agent.
  • the film of the present embodiment is excellent in durability because it is obtained from the above-mentioned paint or coating agent.
  • the APHA (Hazen unit color number) of the polycarbonate polyol composition was measured according to JIS K 0071-1. Specifically, the polycarbonate polyol composition obtained in Examples and Comparative Examples described later was used as a sample, and APHA was measured by comparing the sample with a standard solution placed in a colorimetric tube. As the standard solution, a chromaticity standard solution of 1000 degrees (manufactured by Fujifilm Wako Pure Chemical Industries, Ltd.) was used.
  • the hydroxyl value of the polycarbonate polyol composition was measured by the following method. Using a measuring flask, pyridine was added to 12.5 g of acetic anhydride to make 50 mL, and an acetylation reagent was prepared. Using the polycarbonate polyol compositions obtained in Examples and Comparative Examples described later as samples, 1.0 to 10.0 g of the sample was precisely weighed and placed in a 100 mL eggplant flask. To the eggplant flask, 5 mL of the acetylation reagent and 10 mL of toluene were added with a whole pipette to obtain a solution.
  • a represents the titration amount (mL) of the sample
  • b represents the titration amount (mL) of the blank test
  • e represents the sample amount (g)
  • f represents the factor of the titration solution.
  • the number of functional groups of the polycarbonate polyol composition is the following formula (II) from the above-mentioned hydroxyl group value (OHV) value and the number average molecular weight (Mn) of the polycarbonate polyol composition obtained by GPC (gel permeation chromatography) measurement described later. Calculated using.
  • Mn the number average molecular weight of the polycarbonate polyol composition obtained by GPC measurement
  • OHV the hydroxyl value of the polycarbonate polyol composition.
  • the number average molecular weight (Mn) and the weight average molecular weight (Mw) of the polycarbonate polyol composition were measured by GPC by the following methods.
  • the polycarbonate polyol compositions obtained in Examples and Comparative Examples described later were used as samples.
  • Adjust with tetrahydrofuran (hereinafter, THF) so that the concentration of the measurement sample becomes 0.5% by mass, and use the following GPC device to convert the number average molecular weight (Mn) and weight average molecular weight (Mw) of the polycarbonate polyol composition in terms of standard polystyrene. ) was measured.
  • GPC device HLC-8320 manufactured by Tosoh Corporation Column: TSKgel G4000H 1 bottle G3000H 1 bottle G2000H 2 bottles Eluent: Tetrahydrofuran (THF) Flow velocity: 1.0 mL / min Column temperature: 40 ° C RI detector: RI (built-in device HLC-8320) Calibration curve: Standard polystyrene (manufactured by Tosoh) F-20 ( molecular weight: 1.90 x 105) ⁇ F-10 (Molecular weight: 9.64 ⁇ 10 4 ) ⁇ F-4 (Molecular weight: 3.79 ⁇ 10 4 ) ⁇ F-2 (Molecular weight: 1.81 ⁇ 10 4 ) ⁇ F-1 (Molecular weight: 1.02 ⁇ 10 4 ) -A-5000 (Molecular weight: 5.97 x 10 3 ) ⁇ A-2500 (Molecular weight: 2.63 ⁇ 10 3 ) ⁇ A-500 ⁇ A-1000 The molecular weights of 2 to 10 dimers were calculated from A-500 and A-1000.
  • the PB / PA value is a wave number mainly derived from the carbonate structure represented by the formula (A) in the infrared absorption spectrum absorbance of the sample measured by FT-IR (Fourier conversion infrared spectrophotometer) described later. Infrared absorption spectrum near 1743 cm -1 The height of the absorbance (Abs) peak is defined as PA, and the infrared absorption spectrum with a wave number of around 1691 cm -1 , which is mainly derived from the urethane structure represented by the formula (B).
  • PB the height of the absorbance (Abs) peak
  • PB the height of the absorbance (Abs) peak
  • the presence or absence of the unmodified and modified polycarbonate polyol was determined by the ratio of PA and PB measured here and / or the amount of each raw material charged.
  • the PB / POH value is an infrared absorption spectrum in the vicinity of a wave number of 1691 cm -1 , which is mainly derived from the urethane structure represented by the formula (B), among the infrared absorption spectrum absorbances of the sample measured by FT-IR described later.
  • PB the height of the absorbance (Abs) peak
  • POH the height of the infrared absorption spectrum absorbance (Abs) peak near the wave number of 3000 to 3800 cm -1 , which is mainly derived from the hydroxyl group
  • PB is defined as PB. It is a value divided by POH.
  • FT-IR measurement Using the polycarbonate polyol composition obtained in Examples and Comparative Examples described later as a sample, the infrared absorption spectrum absorbance of the sample was measured by an FT-IR (Fourier transform infrared spectrophotometer) by the following method. The measurement sample was thinly spread on a rock salt plate (NaCl plate, 35 ⁇ 35 ⁇ 5 mm), and the infrared absorption spectrum absorbance of the sample was measured by FT-IR under the following equipment and conditions.
  • FT-IR Fastier transform infrared spectrophotometer
  • FI-IR device FT / IR-4600typeA (JASCO Corporation)
  • Light source Standard light source Detector: TGS Total number of times: 16 Disassembly: 4 cm -1
  • the amount of hydroxyl groups in the total amount of terminal groups of the entire compound in the polycarbonate polyol compositions obtained in Examples and Comparative Examples described later shall be in accordance with the method for measuring the primary terminal OH ratio described in Japanese Patent No. 3874664.
  • the measurements were made as follows. Weigh 70 g to 100 g of the polycarbonate polyol composition into a 300 cc eggplant flask, and use a rotary evaporator connected to a trap bulb for collecting fractions under a pressure of 0.1 kPa or less, under stirring, and at about 180 ° C.
  • the polycarbonate polyol composition is heated in the heating bath of the above to obtain a fraction corresponding to 1 to 2% by mass of the polycarbonate polyol composition, that is, a fraction of about 1 g (0.7 to 2 g) in a trap ball. Then, about 100 g (95 to 105 g) of ethanol (other solvents such as tetrahydrofuran, acetone, and methanol can also be used) was used as a solvent to recover the recovered solution, and the recovered solution was subjected to GC analysis to obtain a chromatogram peak. It was calculated from the area value by the following formula.
  • Terminal hydroxyl group ratio (total peak area of polyol having a hydroxyl group at the end) ⁇ (total peak area of alcohols containing polyol (excluding ethanol when ethanol is used as a solvent)) ⁇ 100 ..
  • the conditions for GC analysis are as follows. Analytical conditions for gas chromatography: column; DB-WAX (manufactured by J & W, USA), 30 m, film thickness 0.25 ⁇ m, temperature rise conditions: 60 ° C to 250 ° C, detector: FID (flame ionization detector).
  • the annular structure was confirmed by the following methods 1) and / or 2).
  • 1) The sample was confirmed by identifying the cyclic structure from various spectra obtained by mass spectrometry, FT-IR measurement, 1 H-NMR measurement and / or 13 C-NMR.
  • a known method and / or a spectrum identification method for organic compounds (7th edition) (Tokyo Kagaku Dojin Co., Ltd.) was referred to.
  • 2) The cyclic structure of the isocyanurate group, uretdione group, and iminooxadiazinedione group was confirmed by the method described in JP-A-2016-53127.
  • ⁇ Hydrophilic structure> We carried out ⁇ water dispersibility> described later and confirmed whether the sample could be dispersed in water.
  • the evaluation result was ⁇ or ⁇ , it was judged to have a hydrophilic structure.
  • the hydrophilic structure was determined by the following methods 1), 2) and / or 3). 1) Determined from the structure of the raw material used. 2) The sample was confirmed by identifying the hydrophilic structure from various spectra obtained by mass spectrometry, FT-IR measurement, 1 H-NMR measurement and / or 13 C-NMR.
  • mass spectrometry FT-IR measurement
  • 1 H-NMR measurement 1 H-NMR measurement
  • 13 C-NMR 13 C-NMR
  • the specific analysis method is not particularly limited, and examples thereof include the following ⁇ pyrolytic GC / MS> and ⁇ induced GC / MS>.
  • Steps 1 and 2 described in (Preparation method) of ⁇ Polyurethane coating film preparation method> described later were carried out, and the obtained aqueous dispersion was allowed to stand at 23 ° C. and evaluated according to the following criteria.
  • evaluation criteria ⁇ : Dispersed in water for 7 days or more, no sediment ⁇ : Dispersed in water for 1 day or more and less than 7 days, no sediment ⁇ : Not dispersed in water (with sediment) or into water Dispersion is less than 1 day
  • Step 1 DPM was weighed in a plastic container so that the solid content of the main agent and the main agent was 80%, and the obtained solution was stirred using a stirrer.
  • Step 2 The contents were transferred from the plastic container to a colorless and transparent glass bottle and allowed to stand at 23 ° C. for 24 hours or more.
  • Step 3 The contents in the colorless and transparent glass bottle were confirmed and evaluated according to the following criteria. [Evaluation criteria] ⁇ : Dissolved uniformly ⁇ : Dissolved but moist ⁇ : Cloudy or separated into two layers
  • a coating composition was prepared according to the following steps 1 to 4.
  • Step 1 The main agent and the hydrophilic solvent were weighed in a plastic container so that the solid content of the main agent was 80%, and the obtained solution was stirred using a stirrer until they were uniformly compatible.
  • Step 2 In the plastic container, weigh the solvent so that the solid content of the coating composition is 40%, and stir the obtained solution with a stirrer until it is uniformly dispersed to prepare an aqueous dispersion. Obtained.
  • Step 3 Weigh the catalyst, leveling agent, matting agent and anti-sedimentant into the plastic container so as to meet the above-mentioned compounding conditions, and stir the obtained solution using a stirrer until uniformly dispersed. bottom.
  • Each of the obtained coating compositions was applied onto a polycarbonate plate (“Takiron PC-1600” (trade name), 2 mm ⁇ 70 mm ⁇ 150 mm) so as to have a dry film thickness of 40 ⁇ m.
  • the surface of the coating film is thoroughly washed with a small amount of neutral detergent to remove the sunscreen, dried on a horizontal table in an atmosphere of 23 ° C. and 50% RH, and then visually.
  • the chemical resistance was evaluated according to the following criteria by observing whether there were any abnormalities such as traces of the sunscreen agent, swelling of the coating film, and peeling. Chemical resistance is one of the indicators of durability.
  • the obtained coating film is cured in an atmosphere of 23 ° C. and 50% RH for 1 day, and the cured coating film is coated with DPWL manufactured by Suga Test Instruments Co., Ltd. -5R (black panel temperature 60 ° C, irradiance 30w / m 2 , cycle conditions: irradiation 60 ° C for 4 hours, wet 40 ° C for 4 hours, UV illuminance lamp: SUGA-FS-40) for 500 hours , Weather resistance test was performed. The coating film after the test is evaluated according to the following criteria by observing whether scratch marks of the pencil remain on the coating film with a 6B pencil according to the pencil hardness method of JIS K5600-5-6: 1999. bottom. Weather resistance is one of the indicators of durability.
  • ⁇ Method of making polyurethane film> The procedure was carried out as follows so that the finished amount was 300 g in a 500 ml separable flask in which a thermocouple and a cooling tube were installed.
  • the polycarbonate polyol composition obtained in Examples and / or Comparative Examples is added to dimethylformamide (hereinafter, abbreviated as DMF) so as to have a final solid content of 20%, and further, MDI and a polycarbonate polyol are added.
  • DMF dimethylformamide
  • MDI and a polycarbonate polyol A 1% dibutyltin dilaurate toluene solution was added so as to have a total mass of 50 ppm with respect to the composition, and the mixture was heated in an oil bath at 40 ° C.
  • the obtained polyurethane solution was dropped onto a glass plate (JIS R3202, 2 mm ⁇ 100 mm ⁇ 150 mm) on the upper part of the plate, and coated so that the dry film thickness was 50 to 150 ⁇ m, and the surface was coated. It was dried on a hot plate at a temperature of 60 ° C. for 2 hours, followed by an oven at 80 ° C. for 12 hours. Further, it was allowed to stand at 23 ° C. and 55% RH at a constant temperature and humidity for 12 hours or more to obtain a polyurethane film.
  • Various physical properties of the obtained polyurethane film were evaluated by the method described later. The evaluation results are shown in Table 3.
  • DMPA 2,2-dimethylol propionic acid
  • MEK Methyl ethyl ketone
  • DBTDL Dibutyl phthalate dilaurylate
  • IPDI isophorone diisocyanate
  • TEA Triethylamine
  • EDA Pure water / ethylenediamine
  • -DBTDL was charged so as to be 100 ppm with respect to the total amount of Polyol, IPDI, and DMPA. If necessary, DBTDL can be diluted with toluene and charged (eg, 5% DBTDL-toluene solution).
  • -MEK was prepared so that the solid content of the prepolymer process was 65%.
  • -Pure water was charged so that the final solid content after the MEK removal step was 30%. However, if the viscosity becomes high in the chain extension step, pure water may be added as appropriate to adjust the solid content.
  • the NCO% is the ratio of the mass of the isocyanate group of the polyisocyanate to the total mass of the raw materials used in the prepolymer step.
  • the test piece was taken out, the front and back sides were lightly wiped with a paper wiper, and then the mass was measured with a precision balance to calculate the mass change rate (increase rate (swelling rate (%)) from before the test.
  • Chemical resistance is one of the indicators of durability.
  • a strip-shaped sample of 1 cm ⁇ 10 cm was prepared from a polyurethane film or a water-based polyurethane film.
  • the prepared sample was heated for 10 days under the conditions of a constant temperature and humidity controller manufactured by ESPEC, a product name of "PL-1J", a temperature of 85 ° C. and a humidity of 85%.
  • the heated sample is subjected to a tensile tester (manufactured by Orientec Co., Ltd., product name "Tencilon, model RTE-1210”) at a chuck distance of 20 mm and a tensile speed of 100 mm / min at a temperature of 23 ° C. (relative).
  • a tensile test was carried out at a humidity of 55%), the breaking strength was measured, and the retention rate (%) was determined. It was evaluated that the higher the retention rate, the better the moisture and heat resistance.
  • Moisture resistance is one of the indicators of durability.
  • Retention rate (%) (breaking strength after heating / breaking strength before heating) x 100
  • [Comparative Example 1] 458 g of 1,5-pentanediol and 500 g of 1,6-hexanediol in a 2 L glass flask (hereinafter also referred to as “reactor”) equipped with a rectification column filled with a regular filling and a stirrer. After charging 760 g of ethylene carbonate, 0.086 g of titanium tetra-n-butoxide was added as a catalyst. The reaction was carried out at a reaction temperature of 160 to 175 ° C. for 12 hours while extracting a part of the distillate.
  • the reactor was directly connected to the condenser, the reaction temperature was raised to 175 to 190 ° C., the pressure was gradually lowered, and the hydroxyl value of the polycarbonate polyol produced by appropriate sampling was measured while measuring the hydroxyl value of the diol in the reactor.
  • a polycarbonate polyol 860 g having a hydroxyl value of 109.8 mgKOH / g was obtained.
  • polycarbonate polyol 860 g
  • polyoxyethylene diol polyethylene glycol 1000 (trade name) manufactured by Wako Pure Chemical Industries, Ltd.) as a raw material for forming a nonionic hydrophilic group
  • the temperature was 150 ° C. for 6 hours.
  • the reaction temperature was lowered to 115 ° C.
  • 0.056 g of 85% phosphoric acid was added, and the mixture was stirred at 115 ° C. for 3 hours to obtain a polycarbonate polyol composition HP-1 having a hydroxyl value of 110.8 mgKOH / g. ..
  • Table 1 The evaluation results are shown in Table 1.
  • the reactor was directly connected to the condenser, the reaction temperature was raised to 165 to 180 ° C., the pressure was gradually lowered, and the hydroxyl value of the polycarbonate polyol produced by appropriate sampling was measured while measuring the hydroxyl value of the diol in the reactor.
  • a polycarbonate polyol (326 g) having a hydroxyl value of 109.5 mgKOH / g was obtained.
  • 36 g of polyoxyethylene diol (“polyethylene glycol 1000" (trade name) manufactured by Wako Pure Chemical Industries, Ltd.) as a raw material for forming a nonionic hydrophilic group was added, and the temperature was 150 ° C.
  • the reactor is directly connected to the condenser, the reaction temperature is raised to 170 to 180 ° C., the pressure is gradually lowered, and the hydroxyl value of the polycarbonate polyol produced by appropriate sampling is measured while measuring the hydroxyl value of the diol in the reactor.
  • a polycarbonate polyol (362 g) having a hydroxyl value of 56.0 mgKOH / g was obtained.
  • 40 g of polyoxyethylene diol (“polyethylene glycol 1000" (trade name) manufactured by Wako Pure Chemical Industries, Ltd.) as a raw material for forming a nonionic hydrophilic group was added, and the temperature was 150 ° C.
  • Example 4 The polycarbonate polyol composition JP-4 was obtained by using the same method as in Example 3 except that HP-2 was used instead of HP-1 as the polycarbonate polyol composition. The evaluation results are shown in Table 1.
  • Example 5 Using the same method as in Example 1 except that the polycarbonate polyol composition HP-3 obtained in Comparative Example 3 was used instead of HP-1 as the polycarbonate polyol composition, the polycarbonate polyol composition JP-5 was prepared. Obtained. The evaluation results are shown in Table 1.
  • Example 6 Using the same method as in Example 3 except that the polycarbonate polyol composition HP-3 obtained in Comparative Example 3 was used instead of HP-1 as the polycarbonate polyol composition, the polycarbonate polyol composition JP-6 was prepared. Obtained. The evaluation results are shown in Table 1.
  • a polycarbonate polyol composition JP-7 was obtained by using the same method as in Example 3 except that an anionic water-soluble isocyanate polymer having a sulfone group was used as a raw material to be formed. The evaluation results are shown in Table 1.
  • the polycarbonate polyol composition of this example can form a coating composition having excellent compatibility with DPM and excellent drying property, and a coating film and / or polyurethane film having excellent durability. Was done.
  • the polycarbonate polyol composition of the present invention can be used for automobiles, buses, railroad vehicles, construction machinery, agricultural machinery, floors, walls and roofs of buildings, metal products, mortar and concrete products, woodwork products, plastic products, calcium silicate plates and gypsum. It can be suitably used in a wide range of fields such as paints for ceramic building materials such as boards and / or polyurethane.

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  • Chemical & Material Sciences (AREA)
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  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
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  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
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  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
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