WO2015133494A1 - イソシアヌレート組成物 - Google Patents
イソシアヌレート組成物 Download PDFInfo
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- WO2015133494A1 WO2015133494A1 PCT/JP2015/056253 JP2015056253W WO2015133494A1 WO 2015133494 A1 WO2015133494 A1 WO 2015133494A1 JP 2015056253 W JP2015056253 W JP 2015056253W WO 2015133494 A1 WO2015133494 A1 WO 2015133494A1
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- isocyanurate
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- xylylene diisocyanate
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
- C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
- C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
- C07D251/30—Only oxygen atoms
- C07D251/32—Cyanuric acid; Isocyanuric acid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- B32B15/085—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyolefins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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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
- C08G18/02—Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only
- C08G18/022—Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only the polymeric products containing isocyanurate groups
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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
- C08G18/08—Processes
- C08G18/09—Processes comprising oligomerisation of isocyanates or isothiocyanates involving reaction of a part of the isocyanate or isothiocyanate groups with each other in the reaction mixture
- C08G18/092—Processes comprising oligomerisation of isocyanates or isothiocyanates involving reaction of a part of the isocyanate or isothiocyanate groups with each other in the reaction mixture oligomerisation to isocyanurate groups
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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
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
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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
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
- C08G18/1875—Catalysts containing secondary or tertiary amines or salts thereof containing ammonium salts or mixtures of secondary of tertiary amines and acids
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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
- C08G18/30—Low-molecular-weight compounds
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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
- C08G18/30—Low-molecular-weight compounds
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
- C08G18/3878—Low-molecular-weight compounds having heteroatoms other than oxygen having phosphorus
- C08G18/3882—Low-molecular-weight compounds having heteroatoms other than oxygen having phosphorus having phosphorus bound to oxygen only
- C08G18/3885—Phosphate compounds
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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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/701—Compounds forming isocyanates or isothiocyanates in situ
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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
- C08G18/70—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
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
- C08G18/7628—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring containing at least one isocyanate or isothiocyanate group linked to the aromatic ring by means of an aliphatic group
- C08G18/7642—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring containing at least one isocyanate or isothiocyanate group linked to the aromatic ring by means of an aliphatic group containing at least two isocyanate or isothiocyanate groups linked to the aromatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate groups, e.g. xylylene diisocyanate or homologues substituted on the aromatic ring
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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
- C08G18/70—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
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7692—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing at least one isocyanate or isothiocyanate group linked to an aromatic ring by means of an aliphatic group
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/06—Coating on the layer surface on metal layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2311/00—Metals, their alloys or their compounds
- B32B2311/24—Aluminium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2323/00—Polyalkenes
- B32B2323/10—Polypropylene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2553/00—Packaging equipment or accessories not otherwise provided for
Definitions
- the present invention relates to an isocyanurate composition that is a raw material of a polyurethane resin.
- Polyurethane resins are usually produced by the reaction of polyisocyanates and active hydrogen group-containing compounds, and are widely used in various industrial fields such as paints, adhesives, and elastomers.
- xylylene diisocyanate (XDI) is known as a polyisocyanate used in the production of a polyurethane resin, and it has been proposed to use xylylene diisocyanate by inducing it into an isocyanurate derivative.
- m-XDI is denatured with benzyl alcohol and then reacted in 2-ethyl-hexanol using a 50% strength solution of zinc (II) 2-ethylhexanoate as a trimerization catalyst. Then, it has been proposed to produce an m-XDI allophanate polyisocyanate containing an isocyanurate group by adding orthophosphoric acid to stop the reaction (for example, the polyisocyanate in Examples of Patent Document 1). See A3). ).
- the polyurethane resin obtained from the polyisocyanate described in Patent Document 1 has insufficient weather resistance.
- An object of the present invention is to provide an isocyanurate composition capable of obtaining a polyurethane resin having excellent weather resistance and durability.
- the isocyanurate composition of the present invention consists essentially of an isocyanurate derivative of 1,3-xylylene diisocyanate, the isocyanurate derivative is modified with an aliphatic alcohol, and the amount of modification of the aliphatic alcohol is: It is characterized by being 0.5 mass% or more and 15 mass% or less.
- the modified amount of the aliphatic alcohol is 3.0% by mass or more and 7.0% by mass or less.
- the aliphatic alcohol is an aliphatic alcohol having 4 to 20 carbon atoms.
- the aliphatic alcohol is a divalent aliphatic alcohol.
- FIG. 1 is a gel permeation chromatogram of the isocyanurate composition of Example 4.
- FIG. 2 is a 1 H-NMR chart of the isocyanurate composition of Example 4.
- the isocyanurate composition of the present invention comprises an isocyanurate derivative of 1,3-xylylene diisocyanate (m-xylylene diisocyanate (m-XDI)).
- the isocyanurate composition of the present invention contains an isocyanurate derivative of 1,3-xylylene diisocyanate as a single main component, but is an inevitable accessory component (for example, isocyanurate).
- the isocyanurate composition of the present invention does not contain an isocyanurate derivative of 1,2- or 1,4-xylylene diisocyanate, and consists only of an isocyanurate derivative of 1,3-xylylene diisocyanate.
- the isocyanurate derivative of 1,3-xylylene diisocyanate is a trimer of 1,3-xylylene diisocyanate.
- the trimer includes an isocyanurate derivative which is a symmetric trimer and an iminooxadiazinedione derivative which is an asymmetric trimer.
- the isocyanurate composition of the present invention has 1,3-xylylene diene. It consists essentially of an isocyanurate derivative of isocyanate, and the iminooxadiazinedione derivative of 1,3-xylylene diisocyanate is, for example, 6% by mass or less, preferably 2% by mass, based on the total amount of the isocyanurate composition. Hereinafter, more preferably 1% by mass or less, and still more preferably 0.5% by mass or less.
- An isocyanurate derivative of 1,3-xylylene diisocyanate is obtained by subjecting 1,3-xylylene diisocyanate to an isocyanurate reaction in the presence of an isocyanurate-forming catalyst.
- the isocyanuration catalyst is not particularly limited as long as it is a catalyst that activates isocyanuration.
- Secondary amines, and tertiary amines such as 2-dimethylaminomethylphenol, 2,4, and the like, and polycondensates of monomers copolymerizable with secondary amines (for example, polycondensates of phenol, formaldehyde, etc.) Mannich bases such as 6-tris (dimethylaminomethyl) phenol, for example tetraalkylammonium hydroxides such as tetramethylammonium, tetraethylammonium, tetrabutylammonium, trimethylbenzylammonium, tributylbenzylammonium And its weak organic acid salts, such as trimethylhydroxypropylam
- Trialkylhydroxyalkylammonium hydroxide and its weak organic acid salts such as metal salts of alkyl carboxylic acids such as acetic acid, caproic acid, octylic acid, myristic acid, naphthenic acid (for example, alkali metal salts, magnesium salts, tin salts, Zinc salts, lead salts, etc.), for example, metal chelate compounds of ⁇ -diketones such as aluminum acetylacetone, lithium acetylacetone, etc., such as aluminum chloride, boron trifluoride, etc.
- metal salts of alkyl carboxylic acids such as acetic acid, caproic acid, octylic acid, myristic acid, naphthenic acid (for example, alkali metal salts, magnesium salts, tin salts, Zinc salts, lead salts, etc.)
- metal chelate compounds of ⁇ -diketones such as aluminum acetylacetone, lithium acet
- Friedel-Crafts catalysts for example, various organometallic compounds such as titanium tetrabutyrate and tributylantimony oxide, for example, aminosilyl group-containing compounds such as hexamethylsilazane, and halogen-substituted organics such as tetrabutylphosphonium hydrogen fluoride. Examples thereof include phosphorus compounds.
- the isocyanuration catalyst is preferably a tetraalkylammonium hydroxide or a trialkylhydroxyalkylammonium hydroxide, more preferably a tetraalkylammonium hydroxide, and even more preferably a trimethylbenzylammonium hydroxide. Hydroxide and tetrabutylammonium hydroxide are mentioned.
- 1,3-xylylene diisocyanate can be isocyanurated with a particularly excellent reaction rate, so that the production efficiency is excellent.
- the blending ratio of the isocyanurate-forming catalyst is, for example, 0.001 parts by mass (phr) or more, preferably 0.009 parts by mass with respect to 100 parts by mass of 1,3-xylylene diisocyanate. (Phr) or more, more preferably 0.015 parts by mass (phr) or more, for example, 0.1 parts by mass (phr) or less, preferably 0.024 parts by mass (phr) or less, more preferably It is 0.021 mass parts (phr) or less, More preferably, it is 0.018 mass parts (phr) or less.
- the isocyanurate-forming catalyst is added to 1,3-xylylene diisocyanate at the above-mentioned mixing ratio and heated to cause the isocyanurate-forming reaction.
- the reaction conditions for the isocyanuration reaction include, for example, an inert gas atmosphere such as nitrogen gas, normal pressure (atmospheric pressure), and a reaction temperature (attainable maximum temperature) of, for example, 20 ° C. or higher, preferably 40 ° C. Exceeding, more preferably 45 ° C. or higher, further preferably 60 ° C. or higher, particularly preferably 70 ° C. or higher, for example, 90 ° C. or lower, preferably 80 ° C. or lower, more preferably 75 ° C. or lower. .
- the reaction time is, for example, 30 minutes or more, preferably 60 minutes or more, more preferably 120 minutes or more, further preferably 250 minutes or more, particularly preferably 350 minutes or more, for example, 720 minutes or less. Preferably, it is 600 minutes or less, More preferably, it is 480 minutes or less, More preferably, it is 450 minutes or less.
- the isocyanuration catalyst may be blended in the preparation stage (initial stage) of the isocyanuration reaction, or may be added during the isocyanuration reaction, and the blending ratio described above is the start of the isocyanuration reaction. This is the total blending ratio of the blending ratio (preparation ratio) of the isocyanurate-forming catalyst blended before (initial) and the blending ratio (addition ratio) of the isocyanurate-catalyzing catalyst added during the isocyanuration reaction.
- the blending ratio (feeding ratio) of the isocyanuration catalyst blended before the start of the isocyanuration reaction (initial stage) is 1, For example, 0.001 parts by mass (phr) or more, preferably 0.002 parts by mass (phr) or more, more preferably 0.003 parts by mass (phr) or more with respect to 100 parts by mass of 3-xylylene diisocyanate.
- 0.1 parts by mass (phr) or less preferably 0.005 parts by mass (phr) or less, more preferably 0.004 parts by mass (phr) or less, and isocyanuration reaction
- the blending ratio (addition ratio) of the isocyanurate conversion catalyst added to the inside is 100 parts by mass of 1,3-xylylene diisocyanate.
- 0.001 part by mass (phr) or more preferably 0.006 part by mass (phr) or more, more preferably 0.012 part by mass (phr) or more, for example, 0.1 part by mass ( phr) or less, preferably 0.021 parts by mass (phr) or less, more preferably 0.018 parts by mass (phr) or less, and still more preferably 0.015 parts by mass (phr) or less.
- the blending ratio (feeding ratio / addition ratio) of the charging ratio and the additional ratio of the isocyanurate-forming catalyst is, for example, 10/90 or more, preferably, when the total blending ratio of the charging ratio and the additional ratio is 100. 15/85 or more, more preferably 20/80 or more, for example, 90/10 or less, preferably 50/50 or less, more preferably 30/70 or less.
- an organic phosphite described in JP-A-61-129173 can be added as a co-catalyst in order to control isocyanuration. .
- organic phosphites examples include aliphatic organic phosphites and aromatic organic phosphites.
- Examples of the aliphatic organic phosphite include triethyl phosphite, tributyl phosphite, tris (2-ethylhexyl) phosphite, tridecyl phosphite, trilauryl phosphite, tris (tridecyl) phosphite, and tristearyl phosphite.
- Alkyl monophosphites such as distearyl pentaerythritol diphosphite, di-dodecyl pentaerythritol diphosphite, di-tridecyl pentaerythritol diphosphite, tripentaerythritol triphosphite and other aliphatic polyhydric alcohols Derivatized di-, tri- or tetraphosphites, as well as alicyclic polyphosphites such as hydrogenated bisphenol A phosphite polymers (molecular weight 2400-3000), Such as tris (2,3-dichloro-propyl) phosphite.
- the aliphatic organic phosphite an alkyl monophosphite is preferable, and a tridecyl phosphite is more preferable.
- aromatic organic phosphites include triphenyl phosphite, tris (nonylphenyl) phosphite, tris (2,4-di-t-butylphenyl) phosphite, diphenyldecyl phosphite, diphenyl (tridecyl)
- Aryl monophosphites such as phosphites, for example, aromatic polyhydric alcohols such as dinonylphenyl, pentaerythritol, diphosphite, tetraphenyl, tetra, tridecyl, pentaerythrityl, tetraphosphite, tetraphenyl, dipropylene glycol, diphosphite Di-, tri- or tetraphosphites derived from, for example, dialkyl bisphenol A diphosphite having 1 to 20 carbon atoms, 4,4'-butylidene-bis (3-methyl-6-t
- organic phosphites can be used alone or in combination of two or more.
- the organic phosphite is preferably an alkyl monophosphite or a di, tri or tetraphosphite derived from an aromatic polyhydric alcohol, more preferably tridecyl phosphite or tetraphenyl dipropylene glycol. -Diphosphite is mentioned.
- the blending ratio of the organic phosphite is, for example, 0.01 parts by mass (phr) or more, preferably 0.03 parts by mass (phr) or more with respect to 100 parts by mass of 1,3-xylylene diisocyanate. For example, it is 0.1 parts by mass (phr) or less, preferably 0.07 parts by mass (phr) or less.
- the reaction rate and the reaction rate can be improved, and gelation can be suppressed.
- a hindered phenol antioxidant for example, 2,6-di (tert-butyl) -4-methylphenol (also called dibutylhydroxytoluene, hereinafter may be abbreviated as BHT).
- BHT 2,6-di (tert-butyl) -4-methylphenol
- a stabilizer such as Irganox 1010, Irganox 1076, Irganox 1135, Irganox 245 (manufactured by Ciba Japan Co., Ltd., trade name) can also be blended.
- the blending ratio of the stabilizer is, for example, 0.01 parts by mass (phr) or more, preferably 0.02 parts by mass (phr) or more with respect to 100 parts by mass of 1,3-xylylene diisocyanate. 0.05 parts by mass (phr) or less, preferably 0.03 parts by mass (phr) or less.
- a known reaction solvent may be blended if necessary, and further, a known catalyst deactivator (for example, phosphoric acid, monochloroacetic acid, dodecylbenzenesulfonic acid, paratoluenesulfone, etc. at any timing). Acid, benzoyl chloride, etc.) can also be added.
- a known catalyst deactivator for example, phosphoric acid, monochloroacetic acid, dodecylbenzenesulfonic acid, paratoluenesulfone, etc. at any timing.
- Acid benzoyl chloride, etc.
- the reaction mixture When preparing a mixed solution of the isocyanurate composition and 1,3-xylylene diisocyanate monomer, the reaction mixture is used as it is without removing the unreacted 1,3-xylylene diisocyanate monomer. It can also be used as a mixed liquid of a nurate composition and a 1,3-xylylene diisocyanate monomer.
- the yield of the isocyanurate composition obtained by the thin film distillation (distillation yield)
- the ratio of the mass of the nurate composition for example, 30% by mass or more, preferably 40% by mass or more, more preferably 55% by mass or more, still more preferably 60% by mass or more, for example 70% by mass.
- it is preferably 68% by mass or less, more preferably 64% by mass or less.
- distillation yield of an isocyanurate composition can be calculated
- the isocyanurate composition is modified with an aliphatic alcohol, a polyurethane resin (described later) having excellent weather resistance (for example, color difference and gloss retention) and durability (for example, impact resistance, elixir, etc.) can be obtained.
- examples of the aliphatic alcohol include a monovalent aliphatic alcohol, a divalent aliphatic alcohol, a trivalent aliphatic alcohol, a tetravalent or higher aliphatic alcohol, and the like.
- Examples of monovalent aliphatic alcohols include linear monovalent aliphatic alcohols and branched monovalent aliphatic alcohols.
- linear monohydric aliphatic alcohols examples include methanol, ethanol, n-propanol, n-butanol, n-pentanol, n-hexanol, n-heptanol, n-octanol, n-nonanol, and n-decanol.
- N-undecanol N-undecanol, n-dodecanol (lauryl alcohol), n-tridecanol, n-tetradecanol, n-pentadecanol, n-hexadecanol, n-heptadecanol, n-octadecanol (stearyl alcohol) , N-nonadecanol, eicosanol and the like.
- branched monohydric aliphatic alcohols examples include isopropanol (also known as isopropyl alcohol, IPA), isobutanol (also known as isobutyl alcohol, IBA), sec-butanol, tert-butanol, isopentanol, isohexanol, iso Heptanol, isooctanol, 2-ethylhexanol (also known as 2-ethylhexyl alcohol, 2-EHA), isononanol, isodecanol, 5-ethyl-2-nonanol, trimethylnonyl alcohol, 2-hexyldecanol, 3,9-diethyl-6 -Tridecanol, 2-isoheptylisoundecanol, 2-octyldodecanol, and other branched alkanols (C (carbon number, the same shall apply hereinafter) 5 to 20).
- divalent aliphatic alcohol examples include ethylene glycol, 1,3-propanediol (1,3-PG), 1,4-butylene glycol, 1,5-pentanediol, 1,6-hexanediol, , 4-dihydroxy-2-butene, diethylene glycol, triethylene glycol, dipropylene glycol, and other linear dihydric aliphatic alcohols such as linear alkane (C7-20) diols such as 1,2- Propanediol, 1,3-butylene glycol (also known as 1,3-butanediol), 1,2-butylene glycol, neopentyl glycol, 3-methyl-1,5-pentanediol (MPD), 2,2,4 Trimethyl-1,3-pentanediol (TMPD), 3,3-dimethylol heptane, 2,6-di Branched divalent aliphatic alcohols such as til-1-octene-3,
- trivalent aliphatic alcohol examples include glycerin and trimethylolpropane.
- tetrahydric or higher aliphatic alcohol examples include tetramethylolmethane, D-sorbitol, xylitol, D-mannitol and the like.
- aliphatic alcohols have one or more hydroxy groups in the molecule, other molecular structures do not contain an aromatic ring in the molecule unless the excellent effects of the present invention are inhibited.
- the molecule may have an ester group, an ether group, a cyclohexane ring, or the like.
- examples of such aliphatic alcohols include, for example, an addition polymer (random and / or block polymerization of two or more types of alkylene oxides) of the monovalent aliphatic alcohol and an alkylene oxide (for example, ethylene oxide, propylene oxide, etc.).
- aliphatic alcohols can be used alone or in combination of two or more.
- aliphatic alcohol monovalent and divalent aliphatic alcohols are preferable, and divalent aliphatic alcohols are more preferable.
- the aliphatic alcohol is preferably an aliphatic alcohol having 1 to 20 carbon atoms, more preferably an aliphatic alcohol having 4 to 20 carbon atoms (an aliphatic alcohol having 4 to 20 carbon atoms), Preferably, an aliphatic alcohol having 4 to 15 carbon atoms is used.
- the aliphatic alcohol is preferably branched monovalent and divalent aliphatic alcohols, more preferably branched divalent aliphatic alcohols.
- the aliphatic alcohol is particularly preferably 1,3-butanediol.
- the aliphatic alcohol is blended so that the average number of functional groups of the isocyanurate composition is 2 or more, and the blending ratio is, for example, 0 to 100 parts by weight of 1,3-xylylene diisocyanate. .3 parts by mass or more, preferably 1.0 parts by mass or more, more preferably 1.5 parts by mass or more, and for example, 11 parts by mass or less, preferably 8.0 parts by mass or less, more preferably Is 7.0 parts by mass or less, more preferably 5.0 parts by mass or less, and particularly preferably 3.0 parts by mass or less.
- 1,3-xylylene diisocyanate and aliphatic alcohol have an equivalent ratio (NCO / OH) of the isocyanate group of 1,3-xylylene diisocyanate to the hydroxy group of aliphatic alcohol, for example, 5 or more, preferably 10 or more, more preferably 20 or more, still more preferably 25 or more, usually in a mixing ratio of 1000 or less.
- an isocyanurate composition with an aliphatic alcohol for example, first, 1,3-xylylene diisocyanate and an aliphatic alcohol are reacted, and then an isocyanuration reaction in the presence of an isocyanuration catalyst. And then removing unreacted 1,3-xylylene diisocyanate, for example, by first converting only 1,3-xylylene diisocyanate to isocyanurate by the method described above, and then unreacted 1,3-xylylene diisocyanate. Examples thereof include a method of removing xylylene diisocyanate and then reacting the obtained isocyanurate derivative of 1,3-xylylene diisocyanate with an aliphatic alcohol.
- 1,3-xylylene diisocyanate is reacted with an aliphatic alcohol, then isocyanurated in the presence of an isocyanuration catalyst, and then unreacted 1,3-xylylene diisocyanate (That is, 1,3-xylylene diisocyanate monomer) is removed.
- the reaction liquid contains 1,3-xylylene diisocyanate and a reaction product of 1,3-xylylene diisocyanate and an aliphatic alcohol (that is, alcohol-modified 1,3-xylylene diisocyanate).
- the reaction between 1,3-xylylene diisocyanate and an aliphatic alcohol is a urethanization reaction (including an allophanatization reaction).
- the reaction conditions include, for example, an inert gas atmosphere such as nitrogen gas, normal pressure (high pressure). Under atmospheric pressure), the reaction temperature is, for example, room temperature (for example, 25 ° C.) or more, preferably 40 ° C. or more, for example, 100 ° C. or less, preferably 90 ° C. or less.
- the reaction time is, for example, 0.05 hours or more, preferably 0.2 hours or more, for example, 10 hours or less, preferably 6 hours or less, more preferably 2.5 hours or less.
- a known urethanization catalyst such as amines and organometallic compounds may be added at an arbitrary addition ratio, if necessary.
- amines include tertiary amines such as triethylamine, triethylenediamine, bis- (2-dimethylaminoethyl) ether, N-methylmorpholine, and quaternary ammonium salts such as tetraethylhydroxylammonium, such as imidazole, And imidazoles such as 2-ethyl-4-methylimidazole.
- tertiary amines such as triethylamine, triethylenediamine, bis- (2-dimethylaminoethyl) ether, N-methylmorpholine
- quaternary ammonium salts such as tetraethylhydroxylammonium, such as imidazole, And imidazoles such as 2-ethyl-4-methylimidazole.
- organometallic compounds include tin acetate, tin octylate, tin oleate, tin laurate, dibutyltin diacetate, dimethyltin dilaurate, dibutyltin dilaurate, dibutyltin dimercaptide, dibutyltin maleate, dibutyltin dilaurate, dibutyltin Organic tin compounds such as dineodecanoate, dioctyltin dimercaptide, dioctyltin dilaurate, dibutyltin dichloride, for example, organic lead compounds such as lead octoate and lead naphthenate, for example, organic nickel compounds such as nickel naphthenate, Examples thereof include organic cobalt compounds such as cobalt naphthenate, organic copper compounds such as copper octenoate, and organic bismuth compounds such as bismuth octylate and bismuth
- examples of the urethanization catalyst include potassium salts such as potassium carbonate, potassium acetate, and potassium octylate.
- urethanization catalysts can be used alone or in combination of two or more.
- an isocyanurate-forming catalyst is added to the resulting reaction liquid, and 1,3-xylylene diisocyanate and alcohol-modified 1,3-xylylene diisocyanate are converted to an isocyanurate-forming reaction. Let Then, after completion of the isocyanuration reaction, unreacted 1,3-xylylene diisocyanate monomer is removed by a known method as described above.
- an isocyanurate composition comprising an isocyanurate derivative of 1,3-xylylene diisocyanate modified with an aliphatic alcohol can be obtained.
- An isocyanate composition comprising an isocyanurate derivative of 1,3-xylylene diisocyanate modified with an aliphatic alcohol can provide a polyurethane resin (described later) having excellent optical properties and durability.
- an isocyanurate derivative of 1,3-xylylene diisocyanate is an isocyanurate derivative of 1,3-xylylene diisocyanate modified with an aliphatic alcohol.
- the modification amount of the aliphatic alcohol relative to the isocyanurate composition (the alcohol modification rate of the isocyanurate composition) is 0.5% by mass or more, preferably 1.0% by mass or more, based on the total amount of the isocyanurate composition. More preferably, it is 3.0% by mass or more, 15% by mass or less, preferably 10% by mass or less, more preferably 7.0% by mass or less, still more preferably 6.0% by mass or less, particularly preferably. Is 5.0% by mass or less, and particularly preferably 4.0% by mass or less.
- the amount of modification of the aliphatic alcohol with respect to the isocyanurate composition is within the above range, a polyurethane resin (described later) having excellent optical properties, quick drying properties, weather resistance and durability can be obtained.
- the amount of modification of the aliphatic alcohol relative to the isocyanurate composition is preferably 0.5% relative to the total amount of the isocyanurate composition.
- % By mass or more, preferably 7.0% by mass or less, more preferably 6.0% by mass or less, further preferably less than 5.0% by mass, further preferably 4.0% by mass or less, Preferably, it is less than 3.0% by mass, particularly preferably 1.0% by mass or less.
- the amount of modification of the aliphatic alcohol relative to the isocyanurate composition is preferably 3.0 with respect to the total amount of the isocyanurate composition. More preferably, it is 5.0 mass% or more, More preferably, it is 10 mass% or more, Preferably, it is 15 mass% or less.
- the alcohol modification rate in the reaction mixture is a modification amount of the aliphatic alcohol relative to the 1,3-xylylene diisocyanate and isocyanurate composition in the reaction mixture, and the fat modification amount relative to the charged mass of 1,3-xylylene diisocyanate. It can be calculated as the blending ratio of the charged mass of the group alcohol.
- the alcohol modification rate can also be calculated by 1 H-NMR measurement.
- a benzene proton peak of 6.5 to 8.0 ppm is assigned to 1,3-xylylene diisocyanate.
- the methyl proton peak of 0.9 to 1.4 ppm is taken as the attribution peak of the aliphatic alcohol.
- the peak area ratio can be calculated as the molar ratio of 1,3-xylylene diisocyanate and aliphatic alcohol. From the calculated molar ratio, the mass ratio of 1,3-xylylene diisocyanate and aliphatic alcohol can be calculated to calculate the alcohol modification rate.
- the isocyanurate composition has an isocyanate group concentration (solid content of 100% by weight) of, for example, 10.0% by mass or more, preferably 15.0% by mass or more, more preferably 18.0% by mass or more, For example, it is 22.0% by mass or less, preferably 21.0% by mass or less, more preferably 20.0% by mass or less, and further preferably 19.0% by mass or less.
- concentration (100 weight% of solid content) of an isocyanurate composition can be calculated
- the isocyanate monomer concentration concentration of unreacted 1,3-xylylene diisocyanate
- concentration of unreacted 1,3-xylylene diisocyanate is, for example, 2% by mass or less, preferably 1% by mass or less, more preferably 0.5% by mass. % Or less.
- the conversion rate (reaction rate) of the isocyanate group in the reaction (urethanization reaction and isocyanuration reaction) for obtaining the isocyanurate composition is, for example, 20% by mass or more, preferably 30% by mass or more, more preferably 35 mass% or more, for example, 50 mass% or less, preferably 45 mass% or less, and more preferably 40 mass% or less.
- the conversion rate (reaction rate) of the isocyanate group in the reaction for obtaining the isocyanurate composition is preferably 20% by mass or more, and preferably 40% by mass. Less than, more preferably 35% by mass or less, and still more preferably 33% by mass or less.
- the conversion rate (reaction rate) of the isocyanate group in the reaction for obtaining the isocyanurate composition is preferably 40% by mass or more, more preferably 45% by mass or more. Preferably, it is 50 mass% or less.
- the isocyanate group conversion (reaction rate) in the reaction for obtaining the isocyanurate composition is the urethane conversion by the reaction of 1,3-xylylene diisocyanate and aliphatic alcohol, and 1,3-xylylene. It is a total value with the isocyanurate conversion rate by the isocyanurate conversion reaction of a diisocyanate.
- the urethane conversion is, for example, 0.5% by mass or more, preferably 2.0% by mass or more, more preferably 5.0% by mass or more, for example, 25% by mass or less, preferably Is 20% by mass or less, more preferably 10% by mass or less, and still more preferably 8.8% by mass or less and 8.0% by mass or less.
- the isocyanurate conversion rate is, for example, 15% by mass or more, preferably 25% by mass or more, for example, 30% by mass or less, preferably 29% by mass or less.
- the conversion rate of isocyanate group, urethane conversion rate and isocyanurate conversion rate of 1,3-xylylene diisocyanate were determined according to the examples described later (1,3-xylylene diisocyanate, promoter, stable It can be determined by calculating the decreasing rate of the isocyanate group concentration of the reaction solution or the reaction mixture with respect to the isocyanate group concentration of the agent (if necessary, comprising a reaction solvent).
- the isocyanurate composition includes an isocyanurate derivative not modified with an aliphatic alcohol (non-modified isocyanurate derivative) and an isocyanurate derivative modified with an aliphatic alcohol (alcohol-modified isocyanurate derivative).
- it consists of an unmodified isocyanurate derivative and an alcohol-modified isocyanurate derivative.
- Non-modified isocyanurate derivatives include, for example, isocyanurate mononuclear compounds (specifically, three molecules of 1,3-xylylene diisocyanate form one isocyanurate ring, and the isocyanurate ring is the other isocyanurate ring.
- examples of the alcohol-modified isocyanurate derivative include a reaction product of the above-mentioned unmodified isocyanurate derivative and an aliphatic alcohol or an allophanate derivative (described later).
- the isocyanurate composition allows the inclusion of allophanate derivatives.
- allophanate derivatives include the reaction product of 1,3-xylylene diisocyanate and a monohydric aliphatic alcohol (monohydric alcohol-modified allophanate derivative), and the reaction of 1,3-xylylene diisocyanate with a dihydric aliphatic alcohol.
- Resulting product dihydric alcohol-modified allophanate derivative
- reaction result of 1,3-xylylene diisocyanate and trihydric or higher aliphatic alcohol trihydric or higher alcohol-modified allophanate derivative
- 1,3-xylylene diene examples include reaction products of isocyanate and the above reaction products (monohydric alcohol-modified allophanate derivatives, dihydric alcohol-modified allophanate derivatives, or trivalent or higher alcohol-modified allophanate derivatives).
- the monohydric alcohol-modified allophanate derivative specifically includes one molecule of 1,3-xylylene diisocyanate reacting with a monohydric aliphatic alcohol to form a urethane bond, and one molecule to the urethane bonding site.
- 1,3-xylylene diisocyanate is an allophanate-bonded compound.
- dihydric alcohol-modified allophanate derivative two molecules of 1,3-xylylene diisocyanate are bonded via a divalent aliphatic alcohol, and at least one of the bonding sites (urethane bond).
- a compound in which one molecule of 1,3-xylylene diisocyanate is allophanate-bonded, preferably two molecules of 1,3-xylylene diisocyanate are bonded via a divalent aliphatic alcohol, and the bond This is a compound (trimolecular body of dihydric alcohol-modified allophanate derivative) in which one molecule of 1,3-xylylene diisocyanate is allophanate bonded to one of the sites (urethane bond).
- the trivalent or higher alcohol-modified allophanate derivative conforms to the above divalent alcohol-modified allophanate derivative.
- the area ratio (hereinafter referred to as the trimolecular area ratio) is the isocyanurate mononuclear content with respect to the total amount of the isocyanurate composition, and among the above allophanate derivatives, the polystyrene equivalent molecular weight is 400 to 1000, preferably Corresponds to the total amount of allophanate derivatives (preferably trimolecular bodies of dihydric alcohol-modified allophanate derivatives) of 600 to 900, for example, 30% or more, preferably 35% or more, 51% or less, preferably 45% or less, more Mashiku is 40% or less.
- the trimolecular area ratio is based on the molecular weight distribution of the isocyanurate composition of 1,3-xylylene diisocyanate according to the examples described later, and is a gel permeation chromatography equipped with a differential refractive index detector (RID). It can be calculated as a peak area ratio in the chromatogram (chart) obtained by measurement with a graph (GPC).
- RID differential refractive index detector
- a compound containing a sulfonamide group can be added to the isocyanurate composition.
- Examples of the compound containing a sulfonamide group include aromatic sulfonamides and aliphatic sulfonamides.
- aromatic sulfonamides include benzenesulfonamide, dimethylbenzenesulfonamide, sulfanilamide, o- and p-toluenesulfonamide, hydroxynaphthalenesulfonamide, naphthalene-1-sulfonamide, naphthalene-2-sulfonamide, Examples thereof include m-nitrobenzenesulfonamide and p-chlorobenzenesulfonamide.
- Examples of the aliphatic sulfonamides include methanesulfonamide, N, N-dimethylmethanesulfonamide, N, N-dimethylethanesulfonamide, N, N-diethylmethanesulfonamide, N-methoxymethanesulfonamide, N- Examples include dodecylmethanesulfonamide, N-cyclohexyl-1-butanesulfonamide, and 2-aminoethanesulfonamide.
- These compounds containing a sulfonamide group can be used alone or in combination of two or more.
- the compound containing a sulfonamide group is preferably an aromatic sulfonamide, more preferably o- or p-toluenesulfonamide.
- the addition ratio of the compound containing a sulfonamide group is such that the compound containing a sulfonamide group is 0.001 to 0.5 parts by mass, preferably 0.005 to 0 with respect to 100 parts by mass of the isocyanurate composition. .4 parts by mass, more preferably 0.01 to 0.3 parts by mass.
- the storage stability of the polyisocyanurate composition can be improved.
- the isocyanurate composition does not contain a solvent, it can be prepared as a diluted solution of the isocyanurate composition by diluting with an organic solvent if necessary.
- organic solvent examples include ketones such as acetone, methyl ethyl ketone, methyl isobutyl ketone, and cyclohexanone, nitriles such as acetonitrile, alkyl esters such as methyl acetate, ethyl acetate, butyl acetate, and isobutyl acetate, such as n- Aliphatic hydrocarbons such as hexane, n-heptane and octane, for example, alicyclic hydrocarbons such as cyclohexane and methylcyclohexane, for example, aromatic hydrocarbons such as toluene, xylene and ethylbenzene, such as methyl cellosolve acetate , Ethyl cellosolve acetate, methyl carbitol acetate, ethyl carbitol acetate, ethylene glycol monoethyl ether acetate, propy
- examples of the organic solvent include nonpolar solvents (nonpolar organic solvents).
- nonpolar organic solvents include aliphatic and naphthenic hydrocarbon organic solvents having an aniline point of, for example, 10 to Examples include non-polar organic solvents having low toxicity and weak dissolving power at 70 ° C., preferably 12 to 65 ° C., and vegetable oils represented by terpene oil.
- Such a nonpolar organic solvent is available as a commercial product.
- Examples of such a commercial product include House (manufactured by Shell Chemical Co., aniline point 15 ° C.), Swazol 310 (manufactured by Maruzen Petroleum Co., Ltd., aniline point 16 ° C.) Essonaphtha No. 6 (manufactured by Exxon Chemical, aniline point 43 ° C.), wax (manufactured by Shell Chemical Co., aniline point 43 ° C.), Essonaphtha No.
- organic solvents can be used alone or in combination of two or more.
- the isocyanurate composition is diluted by mixing with these organic solvents at an arbitrary ratio. Thereby, the dilution liquid of an isocyanurate composition can be prepared.
- an isocyanurate derivative of 1,3-xylylene diisocyanate may be pre-mixed with an organic solvent, and the isocyanurate composition may be separately prepared.
- An organic solvent may be blended.
- the concentration of the isocyanurate composition is, for example, 20% by mass or more, preferably 30% by mass or more, for example, 95% by mass with respect to the total amount of the diluted solution.
- it is preferably 90% by mass or less.
- the viscosity (measured with a B-type viscometer) of the diluted isocyanurate composition at 25 ° C. is, for example, 10 mPa ⁇ s or more, preferably 20 mPa ⁇ s or more, for example, 10,000 mPa ⁇ s or less, preferably 5000 mPa ⁇ s or less.
- Such an isocyanurate composition consists essentially of an isocyanurate derivative of 1,3-xylylene diisocyanate, wherein the isocyanurate derivative is modified with an aliphatic alcohol,
- the modification amount of the aliphatic alcohol with respect to the isocyanurate composition is 0.5% by mass or more and 15% by mass or less.
- the isocyanurate composition is suitably used in the production of a polyurethane resin.
- the isocyanurate composition can be mixed with other polyisocyanate monomers and / or derivatives in the case of producing the polyurethane resin described below.
- polyisocyanates examples include known or general-purpose polyisocyanates such as aliphatic polyisocyanates (including alicyclic polyisocyanates), aromatic polyisocyanates, and araliphatic polyisocyanates.
- the polyurethane resin can be obtained by reacting the polyisocyanate component containing the above isocyanurate composition with the active hydrogen group-containing compound-containing component.
- the polyisocyanate component contains the above-described isocyanurate composition and, if necessary, the above-mentioned other polyisocyanate monomers and / or derivatives.
- Examples of the active hydrogen group-containing compound-containing component include a polyol component, a polythiol component, a polyamine component, and the like, and preferably a polyol component.
- examples of the polyol component include low molecular weight polyols and high molecular weight polyols.
- the low molecular weight polyol is a compound having two or more hydroxyl groups and having a number average molecular weight of usually 40 or more and less than 300, preferably less than 400, such as ethylene glycol, propylene glycol, 1,3-propanediol.
- 1,4-butylene glycol 1,3-butylene glycol, 1,2-butylene glycol, 1,5-pentanediol, 1,6-hexanediol, neopentyl glycol, 3-methyl-1,5-pentanediol 2,2,2-trimethylpentanediol, 3,3-dimethylolheptane, alkane (C7-20) diol, 1,3- or 1,4-cyclohexanedimethanol and mixtures thereof, 1,3- or 1 , 4-Cyclohexanediol and mixtures thereof, hydrogenated bisphenol A Dihydric alcohols such as 1,4-dihydroxy-2-butene, 2,6-dimethyl-1-octene-3,8-diol, bisphenol A, diethylene glycol, triethylene glycol, dipropylene glycol, such as glycerin, trimethylol Trivalent alcohols such as propane and triisopropanolamine, for example,
- These low molecular weight polyols can be used alone or in combination of two or more.
- the high molecular weight polyol is a compound having two or more hydroxyl groups and a number average molecular weight of 300 or more, preferably 400 or more, more preferably 500 or more, usually 20000 or less, preferably 10,000 or less.
- Polyether polyol for example, polyoxyalkylene polyol, polytetramethylene ether polyol, etc.
- polyester polyol for example, adipic acid type polyester polyol, phthalic acid type polyester polyol, lactone type polyester polyol, etc.
- polycarbonate polyol for example, polyether polyol, polyester polyol, polyol obtained by urethane modification of polyisocyanate with polyisocyanate
- These high molecular weight polyols can be used alone or in combination of two or more.
- an acrylic polyol is preferable.
- the polyisocyanate component and the active hydrogen group-containing compound-containing component are combined with the active hydrogen group-containing compound.
- the equivalent ratio of the isocyanate group in the polyisocyanate component (NCO / active hydrogen group) to the active hydrogen group (eg, hydroxyl group, mercapto group, amino group, etc.) in the contained component is, for example, 0.75 to 1.3, preferably Is blended and polymerized so as to be 0.9 to 1.1.
- Examples of the polymerization method include bulk polymerization and solution polymerization.
- an active hydrogen group-containing compound-containing component is added to a polyisocyanate component under stirring in a nitrogen stream, and the reaction temperature is 50 to 250 ° C., more preferably 50 to 200 ° C. React for about 5 to 15 hours.
- a polyisocyanate component and an active hydrogen group-containing compound-containing component are added to an organic solvent similar to the organic solvent used for diluting the isocyanurate composition described above, and the reaction temperature is 50 to 120 ° C., preferably The reaction is carried out at 50 to 100 ° C. for about 0.5 to 15 hours.
- the above urethanization catalyst may be added as necessary.
- the polyurethane resin can be obtained by a known method such as a one-shot method or a prepolymer method.
- a polyisocyanate component and an active hydrogen group-containing compound-containing component are mixed in an active hydrogen group (for example, a hydroxyl group, a mercapto group, an amino group, etc.) in the active hydrogen group-containing compound-containing component.
- an active hydrogen group for example, a hydroxyl group, a mercapto group, an amino group, etc.
- the curing reaction is performed at 250 ° C., preferably at room temperature to 200 ° C., for example, for 5 minutes to 72 hours, preferably for 4 to 24 hours.
- the curing temperature may be a constant temperature, or may be raised or cooled stepwise.
- a polyisocyanate component is reacted with a part of an active hydrogen group-containing compound-containing component (preferably, a high molecular weight polyol) to terminate an isocyanate group having an isocyanate group at the molecular end.
- a prepolymer is synthesized.
- the obtained isocyanate group-terminated prepolymer is reacted with the remainder of the active hydrogen group-containing compound-containing component (preferably, a low molecular weight polyol and / or polyamine component) to cause a chain extension reaction.
- the remainder of the active hydrogen group-containing compound-containing component is used as a chain extender.
- a polyisocyanate component and a part of the active hydrogen group-containing compound-containing component are mixed in the polyisocyanate component with respect to the active hydrogen group in a part of the active hydrogen group-containing compound-containing component Formulated (mixed) such that the equivalent ratio of isocyanate groups (NCO / active hydrogen group) is, for example, 1.1 to 20, preferably 1.3 to 10, more preferably 1.3 to 6,
- the reaction is performed at room temperature to 150 ° C., preferably 50 to 120 ° C., for example, for 0.5 to 18 hours, preferably 2 to 10 hours.
- the urethanization catalyst described above may be added, and after completion of the reaction, the isocyanurate composition in the unreacted polyisocyanate component or other may be added as necessary.
- the polyisocyanate can also be removed by a known removal means such as distillation or extraction.
- the isocyanate group-terminated prepolymer and the remainder of the active hydrogen group-containing compound-containing component are reacted with active hydrogen groups.
- the equivalent ratio of isocyanate groups in the isocyanate group-terminated prepolymer (NCO / active hydrogen groups) to active hydrogen groups in the remainder of the containing compound-containing component is, for example, 0.75 to 1.3, preferably 0.9 to It is formulated (mixed) so as to be 1.1, and is cured at room temperature to 250 ° C., preferably at room temperature to 200 ° C., for example, for 5 minutes to 72 hours, preferably 1 to 24 hours.
- additives such as a plasticizer, an anti-blocking agent, a heat stabilizer, a light stabilizer, an antioxidant, a release agent, a catalyst, Furthermore, pigments, dyes, lubricants, fillers, hydrolysis inhibitors and the like can be blended at an appropriate ratio. These additives may be added at the time of synthesis of each component, or may be added at the time of mixing / dissolving each component, and may be added after the synthesis.
- the haze (measured in accordance with Examples described later) of the polyurethane resin produced using the isocyanurate composition of the present invention is, for example, 0.3 or more, for example, 0.7 or less, preferably 0.6 or less, more preferably 0.4 or less.
- the touch drying time (measured in accordance with Examples described later) of the polyurethane resin produced using the isocyanurate composition of the present invention is, for example, 100 seconds or more, for example, 140 seconds or less, preferably Is 135 seconds or less, more preferably 115 seconds or less, even more preferably 110 seconds or less, and particularly preferably 105 seconds or less.
- the curing and drying time (measured in accordance with Examples described later) of the polyurethane resin produced using the isocyanurate composition of the present invention is, for example, 95 minutes or more, for example, 125 minutes or less, preferably 120 minutes or less, more preferably 105 minutes or less, and still more preferably 100 minutes or less.
- the color difference (measured in accordance with Examples described later) of the polyurethane resin produced using the isocyanurate composition of the present invention is, for example, 2.9 or more, for example, 4.5 or less, preferably 4.3 or less, more preferably 3.8 or less, still more preferably 3.6 or less, still more preferably 3.5 or less, still more preferably 3.4 or less, further preferably 3.2 or less. Particularly preferably, it is 3.1 or less.
- the gloss retention (measured in accordance with Examples described later) of the polyurethane resin produced using the isocyanurate composition of the present invention is, for example, 81% or more, preferably 83% or more, more preferably 85% or more, more preferably 87% or more, more preferably 88% or more, still more preferably 90% or more, and particularly preferably 91% or more, for example, 92% or less.
- the impact resistance (measured in accordance with Examples described later) of the polyurethane resin produced using the isocyanurate composition of the present invention is, for example, 40 cm or more, preferably 45 cm or more, for example, 50 cm. It is as follows.
- the elixir of the polyurethane resin produced using the isocyanurate composition of the present invention is, for example, 7.6 mm or more, preferably 7.7 mm or more, more preferably 7.8 mm or more, more preferably 8.0 mm or more, particularly preferably 8.1 mm or more, particularly preferably 8.2 mm or less, for example, 8.3 mm or less.
- polyurethane resins include, for example, film coating agents, various inks, adhesives, sealing materials, various microcapsules, plastic lenses, artificial and synthetic leather, RIM molded products, slash powders, elastic molded products (spandex), It can be widely used in a wide range of fields such as urethane foam.
- the polyurethane resin (coating resin) obtained using the isocyanurate composition of the present invention can also be produced from a two-component curable polyurethane composition.
- the two-component curable polyurethane composition contains a polyisocyanate component prepared as a curing agent and a polyol component prepared as a main agent.
- the polyisocyanate component contains the above-described isocyanurate composition of the present invention.
- the polyisocyanate component (curing agent) can contain the above-mentioned other polyisocyanate monomers and / or derivatives and the above-described organic solvents as necessary.
- the content ratio is not particularly limited, and is appropriately set according to the purpose and application.
- polyol component main agent
- the polyol component can be used alone or in combination of two or more.
- a polyol component Preferably, high molecular weight polyol is mentioned, More preferably, acrylic polyol is mentioned.
- polyol component (main agent) can contain the above-described organic solvent as necessary.
- the content ratio is not particularly limited, and is appropriately set according to the purpose and application.
- the polyisocyanate component (curing agent) and the polyol component (main agent) are prepared separately and mixed and used at the time of use.
- the blending ratio of the polyisocyanate component (curing agent) and the polyol component (main agent) is such that the equivalent ratio (OH / NCO) of the hydroxyl group in the polyol component (main agent) to the isocyanate group in the polyisocyanate component (curing agent) is For example, it is adjusted to 0.5 or more, preferably 0.75 or more, for example, 2 or less, preferably 1.5 or less.
- the polyisocyanate component (curing agent) and the polyol component (main agent) for example, an epoxy resin, a catalyst, a coating improver, a leveling agent, or an antifoaming agent may be added to one or both of them as necessary.
- Stabilizers such as antioxidants and ultraviolet absorbers, plasticizers, surfactants, pigments (eg, titanium oxide), fillers, organic or inorganic fine particles, antifungal agents, silane coupling agents, and other additives May be blended. The amount of these additives is appropriately determined depending on the purpose and application.
- such a two-component curable polyurethane composition is suitably used in various fields such as paints (plastic paints and automotive paints), adhesives, coating agents, inks and sealants.
- blending ratio content ratio
- physical property values and parameters used in the following description are described in the above-mentioned “Mode for Carrying Out the Invention”, and the corresponding blending ratio (content ratio) ), Physical property values, parameters, etc.
- the upper limit value number defined as “less than” or “less than”
- lower limit value number defined as “greater than” or “exceeded”
- distillation yield of isocyanurate composition was determined by measuring the masses of the reaction mixture (pre-distillation solution) and the isocyanurate composition (distillation solution), respectively, and the mass of the isocyanurate composition relative to the mass of the reaction mixture according to the following formula: It calculated
- Distillation yield (mass%) of isocyanurate composition (mass of isocyanurate composition (g) / mass of reaction mixture (g)) ⁇ 100 ⁇ Amount modified with aliphatic alcohol relative to isocyanurate composition (alcohol modification rate of isocyanurate composition)>
- the modification amount of the aliphatic alcohol relative to the 1,3-xylylene diisocyanate and isocyanurate composition is equal to that of the aliphatic alcohol relative to the charged mass of 1,3-xylylene diisocyanate. Calculated as the charge mass.
- the amount of modification of the aliphatic alcohol relative to the isocyanurate composition was calculated by the following formula.
- Alcohol modification rate of isocyanurate composition (alcohol modification ratio in reaction mixture (mass%) / distillation yield (mass%)) ⁇ 100 ⁇ Isocyanate group concentration (% by mass) and conversion rate of isocyanate group (reaction rate) (% by mass)>
- the isocyanate group concentrations of the charged solution, the reaction solution, the reaction mixture solution, and the isocyanurate composition were measured in accordance with the n-dibutylamine method of JIS K-1556 (2006).
- the conversion rate of the isocyanate group (by calculating the decreasing rate of the isocyanate group concentration of the reaction solution or the reaction mixed solution with respect to the isocyanate group concentration of the charged solution ( Reaction rate).
- the conversion rate of the isocyanate group (the conversion rate of the isocyanate group in the reaction solution) after the blending of the aliphatic alcohol and before the blending of the isocyanurate conversion catalyst is the urethane conversion rate, and the isocyanate after the blending of the isocyanurate conversion catalyst
- the conversion rate of the group (the conversion rate of the isocyanate group in the reaction mixture) is the isocyanurate conversion rate.
- ⁇ Trimolecular area ratio> The sample of the isocyanurate composition was measured by gel permeation chromatography (GPC), and in the obtained chromatogram (chart), the area of the peak with a polystyrene top molecular weight of 400 to 1000 as the peak top relative to the area of all peaks From the area ratio, a trimolecular area ratio was determined.
- the trimolecular area ratio is the area of the peak area with a retention time of 26.8 minutes to 27.1 minutes as the peak top in the chromatogram (chart) obtained by the following apparatus relative to the area of all peaks. It is also a rate (see FIG. 1).
- Example 1 In a reactor equipped with a thermometer, a stirrer, a nitrogen introduction tube and a cooling tube, 100 parts by mass of 1,3-xylylene diisocyanate (Mitsui Chemicals, m-XDI) and 2,6- Di (tert-butyl) -4-methylphenol (also known as dibutylhydroxytoluene, BHT, hindered phenol antioxidant) 0.025 phr and tetraphenyl dipropylene glycol diphosphite (JPP-100 (trade name, Johoku) Chemical Industry Co., Ltd.), organic phosphite ester, cocatalyst) 0.05 phr, and then 0.5 parts by mass of 1,3-butanediol was added
- reaction solution After the reaction at the same temperature for 120 minutes, the temperature was lowered to 60 ° C. At this time (reaction solution), the isocyanate group concentration was 44.0% by mass. Then, 0.008 phr of a 37 mass% methanol solution of tetrabutylammonium hydroxide (TBAOH) (active ingredient (catalyst) 100% conversion: 0.003 phr) was blended as an isocyanurate forming catalyst, and wasocyanurated. .
- TSAOH tetrabutylammonium hydroxide
- the resulting reaction mixture was passed through a thin-film distillation apparatus (temperature 150 ° C., vacuum 50 Pa) to remove unreacted 1,3-xylylene diisocyanate, An isocyanurate composition comprising an isocyanurate derivative was obtained.
- the distillation yield of the isocyanurate composition was 56.2% by mass.
- the amount of modification of the aliphatic alcohol relative to the isocyanurate composition is 0.5 mass% in the reaction mixture (before distillation), and in the isocyanurate composition (after distillation).
- the conversion rate of the isocyanate group was 30.5% by mass, the urethane conversion rate was 0.9% by mass, and the isocyanurate conversion rate was 29.6% by mass.
- the isocyanate group concentration (solid content: 100% by weight) of the isocyanurate composition was 20.6% by mass, and the trimolecular area ratio was 48%.
- Examples 2 to 15 and Comparative Examples 1 to 5 An isocyanurate composition comprising an isocyanurate derivative was obtained in the same manner as in Example 1 except that the formulation and production conditions shown in Tables 1 to 4 were changed.
- Tables 1 to 4 show the formulations, production conditions and properties of the isocyanurate compositions produced in Examples 1 to 15 and Comparative Examples 1 to 5.
- Comparative Example 7 Commercially available isocyanurate derivative of 1,6-hexamethylene diisocyanate (trade name: D-170N, NCO group content: 20.7 wt%, solid content 100 wt%, viscosity (25 ° C.): 200 mPa ⁇ s, Mitsui Chemicals, Inc. Used).
- Comparative Example 8 Commercially available isocyanurate derivative of bis (isocyanatomethyl) cyclohexane (trade name: D-127N, NCO group content: 13.5 wt%, solid content 75 wt%, solvent: ethyl acetate, viscosity (25 ° C.): 40 mPa ⁇ S, manufactured by Mitsui Chemicals, Inc. was used as it was.
- Tables 5 and 6 show the types of aliphatic alcohols used to produce the isocyanurate compositions of Examples 1 to 15 and Comparative Examples 1 to 8 and the alcohol modification rates of the isocyanurate compositions.
- the types of aliphatic alcohols of Comparative Examples 6 to 8 and the alcohol modification rate of the isocyanurate compositions are not shown.
- the molar ratio of 1,3-xylylene diisocyanate to 1,3-butanediol was calculated from the peak area ratio.
- the mass ratio of 1,3-xylylene diisocyanate and 1,3-butanediol was calculated from the calculated molar ratio, and the alcohol modification rate of the isocyanurate composition of Example 4 was calculated.
- the area ratio of the benzene proton attribute peak (4H) of 1,3-xylylene diisocyanate to the methyl proton attribute peak (3H) of 1,3-butanediol is 1,3-xylylene diisocyanate.
- Benzene proton attribute peak of range isocyanate: methyl proton attribute peak of 1,3-butanediol (3H) 400.0000: 28.9229.
- the isocyanurate composition of Example 4 is The modified amount of butanediol (the alcohol modification rate of the isocyanurate composition) was obtained as 4.4% by mass by the following calculation.
- the alcohol modification rate of the isocyanurate composition can be calculated from the charged amounts of 1,3-xylylene diisocyanate and aliphatic alcohol.
- Isocyanurate compositions obtained in each of Examples and Comparative Examples and acrylic polyol (trade name: Olester Q666, hereinafter abbreviated as Q666) manufactured by Mitsui Chemicals, Inc. areocyanates in the isocyanurate compositions.
- the equivalent ratio (NCO / OH) of the hydroxyl group in the acrylic polyol to the group was 1.0, and thinner (ethyl acetate / propylene glycol monomethyl ether acetate / butyl acetate was mixed at a weight ratio of 1: 1: 1.
- the product was diluted to a solid content of 50% by mass and stirred at 23 ° C. for 5 minutes. Furthermore, defoaming was performed by ultrasonic treatment for 10 minutes to obtain a coating solution.
- the coating solution obtained by the above method has a dry film thickness on the glass plate so that the dry film thickness is 40 ⁇ m on each of the steel plate (SPCC, PBN-144 treated product) and the polymethyl methacrylate (PMMA) plate. Each coating was carried out to 100 ⁇ m. Next, after drying at 23 ° C. for 2 hours, heat treatment was performed at 80 ° C. for 30 minutes. Thereafter, aging was performed at 23 ° C. and a relative humidity of 55% for 7 days to obtain urethane films on the steel plate, the PMMA plate, and the glass plate, respectively.
- the obtained film was used for the following physical property evaluation.
- ⁇ Physical property evaluation> (Dry touch drying time) The coating solution was coated on a glass plate so as to have a thickness of 100 ⁇ m (thickness before drying) using an applicator. After coating, the time until tack disappears when touched with a finger was measured under conditions of 23 ° C. and 30% relative humidity. (Curing and drying time) The coating solution was coated on a glass plate so as to have a thickness of 100 ⁇ m (thickness before drying) using an applicator. After coating, the time until a fingerprint was not traced when the finger was pressed strongly was measured under conditions of 23 ° C. and 30% relative humidity.
- the urethane film before and after the treatment was evaluated with a color difference meter (manufactured by Nippon Denshoku Industries Co., Ltd., SE2000), and the color difference ( ⁇ E) before and after the treatment was calculated. Further, the glossiness was evaluated with a glossmeter (Nippon Denshoku Industries Co., Ltd., VG2000), and the gloss retention (after 600 hours) when the initial glossiness was taken as 100 was calculated.
- Table 5 and Table 6 show the evaluation of each example and each comparative example.
- the impact resistance and elixir of Comparative Examples 8 and 9 are not shown because they were not measured.
- D-170N 1,6-hexamethylene diisocyanate isocyanurate derivative (NCO group content: 20.7 wt%, solid content 100 wt%, viscosity (25 ° C.): 200 mPa ⁇ s, manufactured by Mitsui Chemicals)
- D-127N Isocyanurate derivative of bis (isocyanatomethyl) cyclohexane (NCO group content: 13.5 wt%, solid content 75 wt%, solvent: ethyl acetate, viscosity (25 ° C.): 40 mPa ⁇ s, Mitsui Chemicals (Made by company)
- NCO group content 20.7 wt%, solid content 100 wt%, viscosity (25 ° C.): 200 mPa ⁇ s, manufactured by Mitsui Chemicals
- D-127N Isocyanurate derivative of bis (isocyanatomethyl) cyclohexane (N
- the isocyanurate composition of the present invention is useful as a raw material for a polyurethane resin, and the polyurethane resin obtained from the isocyanurate composition of the present invention can be widely used in various industrial fields.
Abstract
Description
そして、反応混合液におけるアルコール変性率は、反応混合液における1,3-キシリレンジイソシアネートおよびイソシアヌレート組成物に対する脂肪族アルコールの変性量であって、1,3-キシリレンジイソシアネートの仕込み質量に対する脂肪族アルコールの仕込み質量の配合割合として算出することができる。
<イソシアヌレート組成物の蒸留収率>
イソシアヌレート組成物の蒸留収率は、反応混合液(蒸留前液)およびイソシアヌレート組成物(蒸留後液)の質量をそれぞれ測定し、下記式により反応混合液の質量に対するイソシアヌレート組成物の質量の割合を算出することにより求めた。
<イソシアヌレート組成物に対する脂肪族アルコールによる変性量(イソシアヌレート組成物のアルコール変性率)>
反応混合液における、1,3-キシリレンジイソシアネートおよびイソシアヌレート組成物に対する脂肪族アルコールの変性量(反応混合液におけるアルコール変性率)は、1,3-キシリレンジイソシアネートの仕込み質量に対する脂肪族アルコールの仕込み質量として算出した。
<イソシアネート基濃度(質量%)、および、イソシアネート基の転化率(反応率)(質量%)>
仕込み液、反応液、反応混合液、および、イソシアヌレート組成物のイソシアネート基濃度を、JIS K-1556(2006年)のn-ジブチルアミン法に準拠してそれぞれ測定した。
<3分子体面積率>
イソシアヌレート組成物のサンプルをゲルパーミエーションクロマトグラフィ(GPC)測定し、得られたクロマトグラム(チャート)において、ポリスチレン換算分子量400~1000の間をピークトップとするピークの面積の、全ピークの面積に対する面積率から、3分子体面積率を求めた。
(1)分析装置 : Alliance(Waters)
(2)ポンプ : Alliance 2695(Waters)
(3)検出器 : 2414型示差屈折検出器(Waters)
(4)溶離液 : Tetrahydrofuran
(5)分離カラム :Plgel GUARD + Plgel 5μmMixed-C×3本(50×7.5mm,300×7.5mm)
メーカー ; Polymer Laboratories
品番 ; PL1110-6500
(6)測定温度 : 40℃
(7)流速 : 1mL/min
(8)サンプル注入量 : 100μL
(9)解析装置 : EMPOWERデータ処理装置(Waters)
・システム補正
(1)標準物質名 : Polystyrene
(2)検量線作成方法 : 分子量の異なるTOSOH社製 TSKstandard Polystyreneを用い、リテンションタイム(保持時間)と分子量とのグラフを作成。
(3)注入量、注入濃度 : 100μL、 1mg/mL
なお、実施例4のイソシアヌレート組成物のゲルパーミエーションクロマトグラムを図1に示す。
<イソシアヌレート組成物の製造>
実施例1
温度計、撹拌装置、窒素導入管および冷却管が装着された反応器に、窒素雰囲気下、1,3-キシリレンジイソシアネート(三井化学社製、m-XDI)100質量部と、2,6-ジ(tert-ブチル)-4-メチルフェノール(別名:ジブチルヒドロキシトルエン、BHT、ヒンダードフェノール系酸化防止剤)0.025phrと、テトラフェニル・ジプロピレングリコール・ジホスファイト(JPP-100(商品名、城北化学工業社製)、有機亜リン酸エステル、助触媒)0.05phrとを仕込んだ後、この仕込み液に、1,3-ブタンジオール0.5質量部を加え、仕込み液を75℃に昇温して、ウレタン化反応させた。1,3-ブタンジオールのヒドロキシ基に対する、1,3-キシリレンジイソシアネートのイソシアネート基の当量比(NCO/OH)は96であった。なお、仕込み液のイソシアネート基濃度は、44.4質量%であった。
表1~4に示す処方および製造条件に変更したこと以外は、実施例1と同様にしてイソシアヌレート誘導体からなるイソシアヌレート組成物を得た。
m-XDI:1,3-キシリレンジイソシアネート(三井化学社製)
HDI:1,6-ヘキサメチレンジイソシアネート
1,3-BG:1,3-ブタンジオール
IBA:イソブチルアルコール
2-EHA:2-エチルヘキシルアルコール
TMPD:2,2,4-トリメチルー1,3-ペンタンジオール
MPD:3-メチル-1,5-ペンタンジオール
1,3-PG:1,3-プロパンジオール
IPA:イソプロピルアルコール
BA:ベンジルアルコール
JPP-100:テトラフェニル・ジプロピレングリコール・ジホスファイト(芳香族有機亜リン酸エステル、城北化学工業社製、商品名)
JP-310:トリデシルホスファイト(脂肪族有機亜リン酸エステル、城北化学工業社製、商品名)
BHT:2,6-ジ(tert-ブチル)-4-メチルフェノール(ヒンダードフェノール系酸化防止剤)
Irg1076:イルガノックス1076(ヒンダードフェノール系酸化防止剤、チバ・ジャパン社製、商品名)
TBAOH:テトラブチルアンモニウムのハイドロオキサイドの37質量%メタノール溶液
DABCO-TMR:N-(2-ヒドロキシプロピル)-N,N,N-トリメチルアンモニウム-2-エチルヘキサノエート、エアープロダクツ社製
比較例6
市販のキシリレンジイソシアネートのトリメチロールプロパン変性体(商品名:D-110N、NCO基含有率:11.5重量%、固形分75重量%、溶剤:酢酸エチル、粘度(25℃):500mPa・s、三井化学社製)をそのまま用いた。
市販の1,6-ヘキサメチレンジイソシアネートのイソシアヌレート誘導体(商品名:D-170N、NCO基含有率:20.7重量%、固形分100重量%、粘度(25℃):200mPa・s、三井化学社製)をそのまま用いた。
市販のビス(イソシアナトメチル)シクロヘキサンのイソシアヌレート誘導体(商品名:D-127N、NCO基含有率:13.5重量%、固形分75重量%、溶剤:酢酸エチル、粘度(25℃):40mPa・s、三井化学社製)をそのまま用いた。
<評価>
(1,3-キシリレンジイソシアネートのイソシアヌレート組成物に対する脂肪族アルコールの変性量(イソシアヌレート組成物のアルコール変性率)の測定)
実施例4で製造されたイソシアヌレート組成物において、イソシアヌレート組成物に対する脂肪族アルコール(1,3-ブタンジオール)の変性量(イソシアヌレート組成物のアルコール変性率)を、仕込み量から算出したものと、1H-NMRにより算出したものとで比較した。
[仕込み質量からのイソシアヌレート組成物のアルコール変性率の算出]
上記したイソシアヌレート組成物の脂肪族アルコールによる変性量の測定方法で示されている計算式にそれぞれを数値を代入して、実施例4のイソシアヌレート組成物において、イソシアヌレート組成物に対する1,3-ブタンジオールの変性量(イソシアヌレート組成物のアルコール変性率)は、下記式のようにして、4.4質量%となった。
[1H-NMRによるイソシアヌレート組成物のアルコール変性率の算出]
実施例4のイソシアヌレート組成物について、1H-NMR測定(400MHz、溶剤CDCL3(3%)、積算128回)をして、その6.5~8.0ppmのベンゼンプロトンピークを1,3-キシリレンジイソシアネートの帰属ピークとし、また、0.9~1.4ppmのメチルプロトンピークを1,3-ブタンジオールの帰属ピークとした。そして、それらのピーク面積比から、1,3-キシリレンジイソシアネートと1,3-ブタンジオールとのモル比を算出した。そして、算出されたモル比から、1,3-キシリレンジイソシアネートおよび1,3-ブタンジオールの質量比を算出し、実施例4のイソシアヌレート組成物のアルコール変性率を算出した。
以上より、1,3-キシリレンジイソシアネートの仕込み質量に対する、脂肪族アルコールの仕込み質量の割合から、イソシアヌレート組成物のアルコール変性率を算出した場合と、イソシアヌレート組成物の1H-NMRチャートから、イソシアヌレート組成物のアルコール変性率を算出した場合とでは、そのアルコール変性率は同じ数値が得られた。
(塗工溶液の調製)
各実施例および各比較例で得られたイソシアヌレート組成物と、アクリルポリオール(三井化学社製、商品名:オレスターQ666、以下、Q666と略する。)とを、イソシアヌレート組成物中のイソシアネート基に対するアクリルポリオール中の水酸基の当量比(NCO/OH)が1.0となる割合で配合し、シンナー(酢酸エチル/プロピレングリコールモノメチルエーテルアセテート/酢酸ブチルを重量比1:1:1で混合したもの)で、固形分50質量%になるように希釈した後に、23℃で5分間攪拌した。さらに、10分間超音波処理することにより、脱泡して、塗工溶液を得た。
(ウレタン皮膜の作製)
上記方法により得られた塗工溶液を、鋼板(SPCC、PBN-144処理品)およびポリメチルメタクリレート(PMMA)板上にそれぞれ乾燥膜厚が40μmになるように、ガラス板上に乾燥膜厚が100μmになるように、それぞれ塗工した。次いで、23℃で2時間乾燥後に、80℃で30分熱処理した。その後、23℃、相対湿度55%で7日間熟成することにより鋼板、PMMA板、およびガラス板上それぞれにウレタン皮膜を得た。
<物性評価>
(指触乾燥時間)
アプリケータ―を用いて100μmの厚み(乾燥前厚み)になるように塗工溶液をガラス板上に塗工した。塗工後、23℃、相対湿度30%の条件下で、指で触った時にタックがなくなるまでの時間を測定した。
(硬化乾燥時間)
アプリケータ―を用いて100μmの厚み(乾燥前厚み)になるように塗工溶液をガラス板上に塗工した。塗工後、23℃、相対湿度30%の条件下で、指を強く押し付けた時に指紋の跡がつかなくなるまでの時間を測定した。
(フィルム状態の相溶性の評価)
ガラス板上に塗工したウレタン皮膜のヘイズを、ヘイズメーター(日本電色工業社製、NDH2000)にて評価した。
(耐候性の評価)
促進耐候性試験機(デューパネル光コントロールウェザーメーター、スガ試験機社製)にて、PMMA板上に塗工したウレタン皮膜を、昼間(60℃×相対湿度10%×4時間×光照射)、夜間(50℃×相対湿度95%×4時間×光照射なし)のサイクルで600時間処理した。処理前後のウレタン皮膜を色差計(日本電色工業社製、SE2000)にて評価し、処理前後の色差(ΔE)を算出した。また、光沢度を光沢度計(日本電色工業社製、VG2000)にて評価し、初期の光沢度を100としたときの光沢保持率(600時間後)を算出した。
(耐衝撃性(デュポン衝撃)の評価)
鋼板上に塗工したウレタン皮膜を、デュポン式衝撃試験器の1/2インチの撃ち型と受け台との間に挟み、おもり(300g)を用いて、鋼板におけるウレタン皮膜が形成された面(表面)から衝撃を加え、ウレタン皮膜に損傷が現れるおもりの高さ(cm)を測定した。
(エリクセン試験の評価)
JIS K 5600-5-2(1999年)に準拠して、鋼板上に塗工したウレタン皮膜表面と反対側とから20mm径の押し込み器をあて、鋼板をしっかり固定しておき、所定の速度で押し込み器を押し出しウレタン皮膜表面に割れ、剥れを生じた時の押し出し長さをエリクセン(mm)として評価した。
D-110N:キシリレンジイソシアネートのトリメチロールプロパン変性体(NCO基含有率:11.5重量%、固形分75重量%、溶剤:酢酸エチル、粘度(25℃):500mPa・s、三井化学社製)
D-170N:1,6-ヘキサメチレンジイソシアネートのイソシアヌレート誘導体(NCO基含有率:20.7重量%、固形分100重量%、粘度(25℃):200mPa・s、三井化学社製)
D-127N:ビス(イソシアナトメチル)シクロヘキサンのイソシアヌレート誘導体(NCO基含有率:13.5重量%、固形分75重量%、溶剤:酢酸エチル、粘度(25℃):40mPa・s、三井化学社製)
なお、上記発明は、本発明の例示の実施形態として提供したが、これは単なる例示に過ぎず、限定的に解釈してはならない。当該技術分野の当業者によって明らかな本発明の変形例は、後記特許請求の範囲に含まれる。
Claims (4)
- 1,3-キシリレンジイソシアネートのイソシアヌレート誘導体から本質的になり、
前記イソシアヌレート誘導体が、脂肪族アルコールにより変性されており、
前記脂肪族アルコールの変性量が、0.5質量%以上15質量%以下であることを特徴とする、イソシアヌレート組成物。 - 前記脂肪族アルコールの変性量が、3.0質量%以上7.0質量%以下であることを特徴とする、請求項1に記載のイソシアヌレート組成物。
- 前記脂肪族アルコールが、炭素数4以上20以下の脂肪族アルコールであることを特徴とする、請求項1に記載のイソシアヌレート組成物。
- 前記脂肪族アルコールが、2価の脂肪族アルコールであることを特徴とする、請求項1に記載のイソシアヌレート組成物。
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JP2013532738A (ja) * | 2010-07-20 | 2013-08-19 | バイエル・インテレクチュアル・プロパティ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | 高光反射を有するポリウレタン |
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WO2019054143A1 (ja) * | 2017-09-14 | 2019-03-21 | ダイセン・メンブレン・システムズ株式会社 | ポリウレタン接着剤組成物、及びこれを用いて製作される中空糸膜モジュール |
JP2019052232A (ja) * | 2017-09-14 | 2019-04-04 | ダイセン・メンブレン・システムズ株式会社 | ポリウレタン接着剤組成物、及びこれを用いて製作される中空糸膜モジュール |
JP2021038303A (ja) * | 2019-09-02 | 2021-03-11 | 三井化学株式会社 | ポリイソシアネート組成物およびその製造方法 |
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