WO2019022077A1 - 硬質ポリウレタンフォーム用ポリオール組成物、硬質ポリウレタンフォーム用組成物、および硬質ポリウレタンフォームの製造方法 - Google Patents
硬質ポリウレタンフォーム用ポリオール組成物、硬質ポリウレタンフォーム用組成物、および硬質ポリウレタンフォームの製造方法 Download PDFInfo
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- WO2019022077A1 WO2019022077A1 PCT/JP2018/027713 JP2018027713W WO2019022077A1 WO 2019022077 A1 WO2019022077 A1 WO 2019022077A1 JP 2018027713 W JP2018027713 W JP 2018027713W WO 2019022077 A1 WO2019022077 A1 WO 2019022077A1
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- polyurethane foam
- rigid polyurethane
- catalyst
- polyol
- acid
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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
-
- 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
-
- 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
-
- 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
Definitions
- the present invention relates to a polyol composition for rigid polyurethane foam containing at least 1-chloro-3,3,3-trifluoropropene (hereinafter also referred to as “HFO-1233zd”) as a foaming agent, and a rigid composition containing the polyol composition.
- the present invention relates to a composition for polyurethane foam and a method for producing a rigid polyurethane foam using the polyol composition as a raw material.
- HFO hydrofluoroolefins
- rigid polyurethane foam is divided into raw materials into a two-component system, the polyisocyanate component and the component compatible with it are P liquid, and the polyol composition containing at least a polyol compound, a foaming agent and a catalyst is R liquid. , P and R are mixed, stirred, reacted and cured.
- Liquid P and Liquid R are usually prepared and stored in advance before manufacturing rigid polyurethane foam, but in the case where Liquid R contains HFO-1233zd as a foaming agent, In the case where it takes time to produce a rigid polyurethane foam after the preparation of the R solution, there may occur a problem such as a partial deactivation of the catalyst contained in the R solution together with the foaming agent. Such problems lead to productivity deterioration or product failure due to delayed gel time at the time of production of rigid polyurethane foam or insufficient progress of foam foaming. For this reason, there has been a demand in the market to improve the storage stability of a polyol composition containing at least a polyol compound, HFO-1233zd and a catalyst.
- composition comprising a hydrohaloolefin blowing agent and a catalyst system comprising at least one precipitation resistant metal catalyst and at least one amine catalyst.
- Patent Document 2 describes a catalyst composition containing a blowing agent containing a halogenated hydroolefin, a polyol, an amine catalyst, a non-amine catalyst, or a mixture of these catalysts, and a polyol premix composition containing an antioxidant. It is done.
- the present invention has been made in view of the above-mentioned circumstances, and its object is to contain a polyol compound, a catalyst, and at least 1-chloro-3,3,3-trifluoropropene as a foaming agent, and is excellent in storage stability. It is an object of the present invention to provide a polyol composition for rigid polyurethane foam, a composition for rigid polyurethane foam, and a method for producing rigid polyurethane foam.
- the present invention is a polyol composition for rigid polyurethane foam, which contains at least a polyol compound, a foaming agent, a catalyst and an acid component, and is mixed and reacted with a polyisocyanate component to form a rigid polyurethane foam, Containing at least 1-chloro-3,3,3-trifluoropropene as an agent, at least one selected from the group consisting of an amine catalyst and a metal catalyst as the catalyst, and containing an organic acid as the acid component
- the present invention relates to a polyol composition for rigid polyurethane foam characterized by
- the polyol composition for a rigid polyurethane foam it is preferable to contain an organic acid having an aromatic ring as the acid component.
- the present invention also relates to a composition for a rigid polyurethane foam comprising the above-mentioned polyol composition and a polyisocyanate component.
- the present invention is also a method for producing a rigid polyurethane foam, wherein a polyol composition containing at least a polyol compound, a foaming agent, a catalyst and an acid component is mixed and reacted with a polyisocyanate component, wherein the polyol composition is the foam Containing at least 1-chloro-3,3,3-trifluoropropene as an agent, at least one selected from the group consisting of an amine catalyst and a metal catalyst as the catalyst, and containing an organic acid as the acid component
- the present invention relates to a method for producing a rigid polyurethane foam characterized by:
- the acid component contains an organic acid having an aromatic ring.
- the inventor describes the cause of the deterioration of storage stability caused by partial deactivation of the catalyst and the like. I studied earnestly. As a result, it was found that the deactivation of the catalyst was caused by the interaction between HFO-1233zd and the catalyst.
- the polyol composition for rigid polyurethane foam according to the present invention comprises, as an acid component, a blowing agent containing at least HFO-1233zd and a catalyst containing at least one selected from the group consisting of an amine catalyst and a metal catalyst. Contains an organic acid. For this reason, the catalyst activated under basicity can be shifted to acidity, and the activity of the catalyst can be suppressed. As a result, the catalyst with reduced activity loses affinity with HFO-1233zd, and the deactivation of the catalyst due to the interaction between HFO-1233zd and the catalyst can be prevented. As a result, the polyol composition for rigid polyurethane foam according to the present invention has improved storage stability.
- the polyol composition for rigid polyurethane foam concerning the present invention is excellent in storage stability, in the manufacturing method of the rigid polyurethane foam which uses this as a raw material, it is excellent in production stability.
- the polyol composition for rigid polyurethane foam according to the present invention contains at least a polyol compound, HFO-1233zd as a foaming agent, a catalyst and an acid component.
- polyol compound polyols known to those skilled in the art can be used, and polyether polyols, polyester polyols and the like can be mentioned.
- the polyether polyol is a polyoxyalkylene polyol obtained by ring-opening addition polymerization of an alkylene oxide to an initiator having 2 to 4 active hydrogen atoms.
- the initiator include aliphatic polyhydric alcohols (eg, ethylene glycol, propylene glycol, diethylene glycol, dipropylene glycol, 1,4-butanediol, 1,3-butanediol, 1,6-hexane).
- Diols Diols, glycols such as neopentyl glycol, cyclohexylene glycol, cyclohexanedimethanol, triols such as trimethylolpropane and glycerin, tetrafunctional alcohols such as pentaerythritol), aliphatic amines (eg, ethylene diamine, propylene diamine, butylene) Diamines, alkylene diamines such as hexamethylene diamine and neopentyl diamine, alkanolamines such as monoethanolamine and diethanolamine, aromatic amines (for example, 2) 4-toluenediamine, 2,6-toluenediamine, diethyltoluenediamine, 4,4'-diaminodiphenylmethane, p-phenylenediamine, o-phenylenediamine, naphthalenediamine, etc.
- glycols such as neopentyl
- the polyether polyol preferably has an average number of functional groups of 2 to 4 and more preferably 2.5 to 3.5. Further, the polyether polyol more preferably has a weight average molecular weight of 3,000 to 5,000.
- alkylene oxide examples include ethylene oxide, propylene oxide, 1,2-butylene oxide, 2,3-butylene oxide, styrene oxide and cyclohexene oxide.
- the ratio of ethylene oxide is preferably 5% to 30%.
- the hydroxyl value of the polyether polyol is preferably 200 to 1000 mg KOH / g, and more preferably 300 to 600 mg KOH / g.
- the hydroxyl value is less than 200 mg KOH / g, the viscosity ratio of the polyol composition to the polyisocyanate component becomes high, which leads to poor stirring at the time of mixing.
- it exceeds 1000 mg KOH / g it will be difficult to impart adequate toughness to the obtained polyurethane foam.
- the hydroxyl value is a value measured in accordance with JIS K 1557-1: 2007.
- polyester polyols examples include aromatic polyester polyols and aliphatic polyester polyols, but in consideration of the flame retardancy of the resulting rigid polyurethane foam, it is preferable to use aromatic polyester polyols.
- the aromatic polyester polyol is a condensate of an aromatic dicarboxylic acid and a glycol such as phthalic acid, isophthalic acid, terephthalic acid and naphthalene dicarboxylic acid, and has an average functional group number of 1.8 to 2.5, more preferably 1.9. It is a polyol compound having a hydroxyl value of 100 to 400 mg KOH / g and a hydroxyl value of ⁇ 2.3.
- glycol which comprises aromatic polyester polyol it does not specifically limit as glycol which comprises aromatic polyester polyol
- the low molecular-weight aliphatic glycol well-known as a component of polyester polyols, such as ethylene glycol, propylene glycol, diethylene glycol.
- the number of functional groups is about 2, but the number of functional groups may be increased to 2 or more by substituting a part of the glycol with a polyfunctional alcohol such as trimethylolpropane. With this configuration, the physical properties of the resulting foam can be adjusted.
- HFO-1233zd is used as blowing agent.
- HFO hydrofluoroolefins
- other hydrofluoroolefins may be used in combination as long as the object of the present invention is not impaired.
- HFO for example, 1,3,3,3-tetrafluoropropene, 1,1,3,3-tetrafluoropropene, 1,2,3,3,3-pentafluoropropene, 1,1,1- Trifluoropropene, 1,1,1,3,3-pentafluoropropene, 1,1,2,3,3-pentafluoropropene, (Z) -1,1,1,2,3-pentafluoropropene, And 1,1,1,4,4,4-hexafluorobut-2-ene and the like.
- the content of the foaming agent in the polyol composition for rigid polyurethane foam can be varied as appropriate depending on the target density of the finally produced rigid polyurethane foam.
- the content of the foaming agent is preferably 10 to 50 parts by weight, when the total amount of the polyol compound is 100 parts by weight, More preferably, it is 15 to 40 parts by weight.
- At least one selected from the group consisting of an amine catalyst and a metal catalyst is used as a catalyst.
- the amine catalyst N, N, N ', N'-tetramethylethylenediamine, N, N, N', N'-tetramethylhexamethylenediamine, N, N, N ', N'-pentamethyl Tertiary such as N-alkyl polyalkylene polyamines such as diethylenetriamine, diazabicycloundecene (DBU), N, N-dimethylcyclohexylamine, triethylenediamine, N-methylmorpholine, bis (2-dimethylaminoethyl) ether Amines include, etc.
- the metal catalyst include trimerization catalysts such as potassium acetate and potassium octylate.
- the term "rigid polyurethane foam” refers to a foam-constituting polymer formed by mixing and reacting a polyol composition and a polyisocyanate component and having substantially only urethane bonds (hereinafter also referred to as "PUR")
- the foam-constituting polymer also includes one having a nurate bond (hereinafter also referred to as "PIR").
- PUR is produced as a rigid polyurethane foam, it is preferable to contain 0.1 to 8% by weight of catalyst, more preferably 0.1 to 4% by weight, based on 100% by weight of the total amount of polyol compounds. .
- the total amount of the polyol compound is 100% by weight, and for example, 0.1 to 8% by weight of metal catalyst or quaternary amine catalyst is contained as a trimerization (nuration) catalyst The content is preferably 0.1 to 4% by weight.
- the organic acid as the acid component suppresses the activity of the catalyst and prevents the deactivation of the catalyst by the interaction between HFO and the catalyst, thereby improving the storage stability of the polyol composition for rigid polyurethane foam.
- organic acids that can be used in the present invention include aliphatic organic acids and organic acids having an aromatic ring.
- the aliphatic organic acid is not particularly limited, and may be saturated or unsaturated, and may be linear or branched.
- Examples of the aliphatic organic acids include aliphatic organic acids having a hydrocarbon group having 1 to 10 carbon atoms, and examples thereof include formic acid, acetic acid, propionic acid, butyric acid and valeric acid.
- organic acid which has an aromatic ring the organic acid which has a monocyclic (non-polycyclic) aromatic ring, and the organic acid which has a polycyclic aromatic ring can be illustrated.
- organic acids having a monocyclic (non-polycyclic) aromatic ring include benzoic acid, phthalic acid (orthophthalic acid, isophthalic acid, and terephthalic acid) and salicylic acid.
- organic acid having a polycyclic aromatic ring naphthoic acid, anthronic acid and the like can be mentioned.
- an organic acid having an aromatic ring an organic acid having a monocyclic (non-polycyclic) aromatic ring is preferable, and among these, benzoic acid and phthalic acid are more preferable.
- the organic acid when an organic acid having an aromatic ring is used as the organic acid, there is less odor compared to a low molecular weight organic acid, and corrosion to a foamer / mixer used in producing a rigid polyurethane foam It is preferable because there is less contamination.
- the compounding amount of the organic acid is not particularly limited, but is preferably 0.1 parts by weight or more, more preferably 0.3 parts by weight or more, still more preferably 0.5 parts by weight or more, more preferably 100 parts by weight of the polyol compound. Is preferably 1 part by weight or more, and preferably 15 parts by weight or less, more preferably 10 parts by weight or less, still more preferably 8 parts by weight or less, still more preferably 5 parts by weight or less.
- the foaming agent In addition to the polyol compound, the foaming agent, the catalyst and the acid component, a flame retardant, a foam stabilizer, a coloring agent and an antioxidant may be added to the polyol composition for rigid polyurethane foam according to the present invention.
- organic phosphoric acid esters As the flame retardant, metal compounds such as organic phosphoric acid esters, halogen-containing compounds, aluminum hydroxide and the like can be mentioned, and in particular, organic phosphoric acid esters are preferable because they have the effect of lowering the viscosity of the polyol composition.
- organic phosphoric acid esters include halogenated alkyl esters of phosphoric acid, alkyl phosphoric acid esters, aryl phosphoric acid esters and phosphonic acid esters.
- TCPP tris (chloropropyl) phosphate
- TBEP tributoxyethyl phosphate
- tributyl phosphate triethyl phosphate
- trimethyl phosphate cresyl phenyl phosphate and the like
- the compounding amount of the flame retardant is preferably 1 to 30 parts by weight, more preferably 3 to 25 parts by weight with respect to 100 parts by weight of the polyol compound.
- the graft copolymer of polyoxyalkylene glycol which is a polymer of ethylene oxide or a propylene oxide, and a polydimethylsiloxane is mentioned, for example among the foam stabilizers for rigid polyurethane foams,
- a silicone foam stabilizer having an oxyethylene group content of 70 to 100 mol% in polyoxyalkylene is preferably used.
- the blending amount of the foam stabilizer is preferably 1 to 10 parts by weight with respect to 100 parts by weight of the polyol compound.
- the above-mentioned polyol composition can be used as a composition for rigid polyurethane foam containing a polyol composition and a polyisocyanate component.
- the rigid polyurethane foam composition can be used to produce rigid polyurethane foams.
- the composition for rigid polyurethane foam can be obtained by mixing the polyol composition and the polyisocyanate component, and the mixing of both in this case may preferably follow the isocyanate index described later.
- various polyisocyanate compounds such as aromatic, alicyclic and aliphatic having two or more isocyanate groups may be used. Can.
- liquid diphenylmethane diisocyanate is used because of ease of handling, speed of reaction, excellent physical properties of the resulting polyurethane foam, and low cost.
- liquid MDI crude MDI (c-MDI) (44V-10, 44V-20, etc. (manufactured by Sumika Kobesutorurethane Co., Ltd.), Millionate MR-200 (Nippon Polyurethane Industry)), uretone imine containing MDI (Millionate MTL; Japan Polyurethane industry) and the like.
- other polyisocyanate compounds may be used in combination, and as polyisocyanate compounds used in combination, polyisocyanate compounds known in the technical field of polyurethane can be used without limitation.
- a polyol composition containing at least a polyol compound, a foaming agent, a catalyst and an acid component is mixed and reacted with a polyisocyanate component.
- the blowing agent contains at least one hydrofluoroolefin having 3 to 6 carbon atoms
- the catalyst contains at least one member selected from the group consisting of an amine catalyst and a metal catalyst, and contains an organic acid as the acid component.
- the isocyanate index (NCO Index) when mixing and reacting the polyol composition and the polyisocyanate component differs depending on whether PUR or PIR is to be produced.
- PUR it is preferably 100 to 140, more preferably 110 to 120.
- PIR it is preferably 150 to 700, and more preferably 200 to 500.
- the isocyanate index refers to the equivalent ratio of the isocyanate group of the polyisocyanate component to all active hydrogen groups (calculated as water as a foaming agent as a bifunctional active hydrogen compound) contained in the polyol composition as a percentage (Equivalent ratio of isocyanate group to 100 equivalents of active hydrogen group) is meant.
- the density of the rigid polyurethane foam obtained by the production method is preferably 20 to 40 kg / m 3 , more preferably 25 to 35 kg / m 3 .
- the foam density is a value measured in accordance with JIS K7222.
- the method for producing the above-mentioned rigid polyurethane foam it may be produced continuously in a continuous line or may be produced in a batch system. Further, a spray method in which the composition is sprayed onto a constituent substrate of a building by spraying, an injection method in which a mixture of a polyol composition and a polyisocyanate component is injected into voids formed by the construction substrate, and the like are mentioned.
- the polyol composition was prepared according to the formulation described in Table 1 below. The details of each component in Table 1 are as follows.
- Examples 1 to 6 and Comparative Example 1 Polyols Polyether-based polyol A; trade name “ACTOCOR GR84” (manufactured by Mitsui Chemicals, Inc.) Polyether-based polyol B; trade name “ACTOCOR GR40A” (manufactured by Mitsui Chemicals, Inc.) (2) Flame Retardant Tris ( ⁇ -chloropropyl) phosphate; trade name "TMCPP” (made by Daihachi Chemical Co., Ltd.) (3) Foam control agent Polyalkylene glycol based foam control agent; trade name "SH-193" (manufactured by Toray Dow Corning Silicone Co., Ltd.) (4) Catalyst Amine catalyst A; (N, N, N ', N'-tetramethylethylenediamine or N, N, N', N'-tetramethylhexamethylenediamine); trade name "Kaolyzer No.
- Examples 7 to 10 and Comparative Example 2 (1) Polyols Phthalate-based polyester polyol; trade name "Maximol RFK-556" (manufactured by Kawasaki Kasei Kogyo Co., Ltd.) (2) Flame Retardant Tris ( ⁇ -chloropropyl) phosphate; trade name "TMCPP” (made by Daihachi Chemical Co., Ltd.) (3) Foam control agent Polyalkylene glycol based foam control agent; trade name "SH-193" (manufactured by Toray Dow Corning Silicone Co., Ltd.) (4) Catalyst Amine catalyst A; (N, N, N ', N'-tetramethylethylenediamine or N, N, N', N'-tetramethylhexamethylenediamine); trade name "Kaolyzer No.
- the polyol compositions according to Examples 1 to 10 have a short number of seconds for the reactivity delay, and are excellent in the storage stability of the polyol composition.
- an organic acid having an aromatic ring is used as the organic acid, it is understood that there is little irritating odor and the corrosion resistance is also excellent.
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Abstract
Description
本発明において使用可能な有機酸としては、脂肪族有機酸や芳香環を有する有機酸が挙げられる。
脂肪族有機酸は、特に限定されず、飽和でも不飽和でもよく、直鎖状でも分岐状でもよい。脂肪族有機酸は、炭素数1~10の炭化水素基を有する脂肪族有機酸を例示することができ、例えば、ギ酸、酢酸、プロピオン酸、酪酸、吉草酸等が挙げられる。
芳香環を有する有機酸としては、単環式(非多環式)の芳香環を有する有機酸や、多環式の芳香環を有する有機酸を例示することができる。
単環式(非多環式)の芳香環を有する有機酸としては、安息香酸、フタル酸(オルトフタル酸、イソフタル酸、テレフタル酸)、サリチル酸などが挙げられる。
多環式の芳香環を有する有機酸としては、ナフトエ酸、アントロン酸などが挙げられる。
芳香環を有する有機酸としては、単環式(非多環式)の芳香環を有する有機酸が好ましく、中でも、安息香酸、フタル酸がより好ましい。
硬質ポリウレタンフォーム用組成物は、ポリオール組成物とポリイソシアネート成分とを混合することにより得ることができ、この場合の両者の混合は、好ましくは、後述するイソシアネート指数に従えばよい。
上記ポリオール組成物と混合、反応させて硬質ポリウレタンフォームを形成するポリイソシアネート成分としては、イソシアネート基を2個以上有する芳香族系、脂環族系、脂肪族系などの各種ポリイソシアネート化合物を用いることができる。好ましくは、取扱の容易さ、反応の速さ、得られるポリウレタンフォームの物理特性が優れていること、および低コストであることなどから、液状ジフェニルメタンジイソシアネート(MDI)を用いることである。液状MDIとしては、クルードMDI(c-MDI)(44V-10,44V-20など(住化コベストロウレタン社製)、ミリオネートMR-200(日本ポリウレタン工業))、ウレトンイミン含有MDI(ミリオネートMTL;日本ポリウレタン工業製)などが挙げられる。液状MDIに加えて、他のポリイソシアネート化合物を併用してもよく、併用するポリイソシアネート化合物としては、ポリウレタンの技術分野において公知のポリイソシアネート化合物は限定なく使用可能である。
下記表1に記載した配合にてポリオール組成物を調製した。表1中の各成分の詳細は以下の通りである。
(1)ポリオール類
ポリエーテル系ポリオールA;商品名「アクトコールGR84」(三井化学社製)
ポリエーテル系ポリオールB;商品名「アクトコールGR40A」(三井化学社製)
(2)難燃剤
トリス(β―クロロプロピル)ホスフェート;商品名「TMCPP」(大八化学社製)
(3)整泡剤
ポリアルキレングリコール系整泡剤;商品名「SH-193」(東レダウコーニングシリコーン社製)
(4)触媒
アミン触媒A;(N,N,N’,N’-テトラメチルエチレンジアミンやN,N,N’,N’-テトラメチルヘキサメチレンジアミン);商品名「カオーライザーNo.1」(花王社製)
アミン触媒B;(ビス(2―ジメチルアミノエチル)エーテル);商品名「NIAX A-1」(モメンティブ社製)
(5)有機酸
酢酸(関東化学社製)、蟻酸(関東化学工業社製)、安息香酸(関東化学工業社製)、
(0-)フタル酸(関東化学工業社製)
ただし、安息香酸はメタノールで溶解させて使用(濃度50wt%)し、(0-)フタル酸はメタノールで溶解させて使用した(濃度20wt%)。
(6)発泡剤
HFO-1233zd;商品名「Solstice LBA」(Honeywell社製)
水
(1)ポリオール類
フタル酸系ポリエステルポリオール;商品名「マキシモールRFK-556」(川崎化成工業社製)
(2)難燃剤
トリス(β―クロロプロピル)ホスフェート;商品名「TMCPP」(大八化学社製)
(3)整泡剤
ポリアルキレングリコール系整泡剤;商品名「SH-193」(東レダウコーニングシリコーン社製)
(4)触媒
アミン触媒A;(N,N,N’,N’-テトラメチルエチレンジアミンやN,N,N’,N’-テトラメチルヘキサメチレンジアミン);商品名「カオーライザーNo.1」(花王社製)
アミン触媒B;(ビス(2―ジメチルアミノエチル)エーテル);商品名「NIAX A-1」(モメンティブ社製)
金属触媒;オクチル酸カリウム塩;商品名「ペルキャット9540」(巴工業社製)
(5)有機酸
酢酸(関東化学工業社製)、蟻酸(関東化学工業社製)、安息香酸(関東化学工業社製)、(0-)フタル酸(関東化学工業社製)
ただし、安息香酸はメタノールで溶解させて使用(濃度50wt%)し、(0-)フタル酸はメタノールで溶解させて使用した(濃度20wt%)。
(6)発泡剤
HFO-1233zd;商品名「Solstice LBA」(Honeywell社製)
水
調製した各ポリオール組成物(実施例1~10、比較例1、2)を、常法に従い、ポリイソシアネート成分と混合し、反応させて硬質ポリウレタンフォームを作製した。ポリイソシアネート成分としては、c-MDI(住化コベストロウレタン社製「スミジュール44V-20」、NCO%:31%)を用い、イソシアネート指数(NCO Index)は表1、2に記載した通りとした。ただし有機酸を溶解させるのに使用したメタノールは指数計算から除外した。下記の評価を行い、結果を表1に示した。
液の混合を始めてから増粘が起こってゲル強度が出始める時間(秒)をゲルタイムとする。表1に記載の配合で調整した直後のポリオール組成物を使用して硬質ポリウレタンフォームを製造した際のゲルタイムを「初期ゲルタイム(秒)」、40℃で1週間放置後のポリオール組成物を使用して硬質ポリウレタンフォームを製造した際のゲルタイムを「40℃-1週間後のゲルタイム(秒)」とし、「40℃-1週間後のゲルタイム(秒)」と「初期ゲルタイム(秒)」との差を「反応性遅延(秒)」とした。反応性遅延の秒数が短いほど、HFOと触媒との相互作用による触媒の失活を防止できており、ポリオール組成物の貯蔵安定性に優れることを意味する。
実施例及び比較例のポリオール組成物を、液温度約20℃、雰囲気温度約23℃の条件下において、ポリオール組成物の臭気(刺激臭)の有無を判定した。
実施例及び比較例のポリオール組成物110mLをガラス製のスクリュー瓶に入れ、そこに鉄釘(長さ約74mm、φ約3.3mm)を投入して、室温で1年6月保管後の錆びの発生の有無を確認した。
Claims (5)
- ポリオール化合物、発泡剤、触媒および酸成分を少なくとも含有し、ポリイソシアネート成分と混合、反応させて硬質ポリウレタンフォームを形成するための硬質ポリウレタンフォーム用ポリオール組成物であって、
前記発泡剤として少なくとも1-クロロ-3,3,3-トリフルオロプロペンを含有し、
前記触媒としてアミン触媒および金属触媒からなる群より選択される少なくとも1種を含有し、
前記酸成分として有機酸を含有することを特徴とする硬質ポリウレタンフォーム用ポリオール組成物。 - 前記酸成分として芳香環を有する有機酸を含有する請求項1に記載の硬質ポリウレタンフォーム用ポリオール組成物。
- 請求項1又は2に記載のポリオール組成物と、ポリイソシアネート成分とを含むことを特徴とする硬質ポリウレタンフォーム用組成物。
- ポリオール化合物、発泡剤、触媒および酸成分を少なくとも含有するポリオール組成物とポリイソシアネート成分とを混合、反応させる硬質ポリウレタンフォームの製造方法であって、
前記ポリオール組成物が、
前記発泡剤として少なくとも1-クロロ-3,3,3-トリフルオロプロペンを含有し、
前記触媒としてアミン触媒および金属触媒からなる群より選択される少なくとも1種を含有し、
前記酸成分として有機酸を含有することを特徴とすることを特徴とする硬質ポリウレタンフォームの製造方法。 - 前記酸成分として芳香環を有する有機酸を含有する請求項4に記載の硬質ポリウレタンフォームの製造方法。
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| JP2022035857A (ja) * | 2020-08-21 | 2022-03-04 | 積水ソフランウイズ株式会社 | 発泡性ウレタン樹脂組成物 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2014084465A (ja) * | 2012-10-24 | 2014-05-12 | Air Products And Chemicals Inc | ハロゲン含有発泡剤を有するポリウレタン系の安定性を改良するための遅延作用触媒 |
| JP2015147877A (ja) * | 2014-02-07 | 2015-08-20 | サンアプロ株式会社 | ポリウレタン樹脂製造用触媒組成物 |
| WO2016149001A1 (en) * | 2015-03-13 | 2016-09-22 | Basf Se | Method of forming a polyrethane foam article |
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| WO2014030654A1 (ja) * | 2012-08-21 | 2014-02-27 | 東ソー株式会社 | ポリウレタンフォーム製造用の原料配合組成物及びポリウレタンフォーム又はイソシアヌレート変性ポリウレタンフォームの製造方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2014084465A (ja) * | 2012-10-24 | 2014-05-12 | Air Products And Chemicals Inc | ハロゲン含有発泡剤を有するポリウレタン系の安定性を改良するための遅延作用触媒 |
| JP2015147877A (ja) * | 2014-02-07 | 2015-08-20 | サンアプロ株式会社 | ポリウレタン樹脂製造用触媒組成物 |
| WO2016149001A1 (en) * | 2015-03-13 | 2016-09-22 | Basf Se | Method of forming a polyrethane foam article |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2022035857A (ja) * | 2020-08-21 | 2022-03-04 | 積水ソフランウイズ株式会社 | 発泡性ウレタン樹脂組成物 |
| JP7634947B2 (ja) | 2020-08-21 | 2025-02-25 | 積水化学工業株式会社 | 発泡性ウレタン樹脂組成物 |
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| JP2020169337A (ja) | 2020-10-15 |
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