JP5412018B2 - ポリウレタンフォーム用発泡性組成物及びポリウレタンフォーム並びにポリウレタンフォームの製造方法 - Google Patents
ポリウレタンフォーム用発泡性組成物及びポリウレタンフォーム並びにポリウレタンフォームの製造方法 Download PDFInfo
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- JP5412018B2 JP5412018B2 JP2010157567A JP2010157567A JP5412018B2 JP 5412018 B2 JP5412018 B2 JP 5412018B2 JP 2010157567 A JP2010157567 A JP 2010157567A JP 2010157567 A JP2010157567 A JP 2010157567A JP 5412018 B2 JP5412018 B2 JP 5412018B2
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- Prior art keywords
- polyol
- polyurethane foam
- compound
- active hydrogen
- phenol resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229920005830 Polyurethane Foam Polymers 0.000 title claims description 82
- 239000011496 polyurethane foam Substances 0.000 title claims description 82
- 239000000203 mixture Substances 0.000 title claims description 52
- 238000004519 manufacturing process Methods 0.000 title claims description 23
- 229920005862 polyol Polymers 0.000 claims description 161
- -1 polyol compound Chemical class 0.000 claims description 160
- 150000003077 polyols Chemical class 0.000 claims description 89
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 80
- 239000001257 hydrogen Substances 0.000 claims description 69
- 229910052739 hydrogen Inorganic materials 0.000 claims description 69
- 239000005011 phenolic resin Substances 0.000 claims description 69
- 150000001875 compounds Chemical class 0.000 claims description 47
- 239000001569 carbon dioxide Substances 0.000 claims description 40
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 40
- 239000005056 polyisocyanate Substances 0.000 claims description 36
- 229920001228 polyisocyanate Polymers 0.000 claims description 36
- 238000005187 foaming Methods 0.000 claims description 35
- 239000004088 foaming agent Substances 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 31
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 27
- 229920002554 vinyl polymer Polymers 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 125000002947 alkylene group Chemical group 0.000 claims description 21
- 125000000524 functional group Chemical group 0.000 claims description 21
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 19
- 230000036961 partial effect Effects 0.000 claims description 19
- 150000004984 aromatic diamines Chemical class 0.000 claims description 18
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 claims description 17
- 229920003986 novolac Polymers 0.000 claims description 13
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical group C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 11
- 150000001412 amines Chemical class 0.000 claims description 11
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims description 8
- 150000002483 hydrogen compounds Chemical class 0.000 claims description 8
- 229920006295 polythiol Polymers 0.000 claims description 8
- 125000005012 alkyl thioether group Chemical group 0.000 claims description 6
- 150000002148 esters Chemical class 0.000 claims description 6
- 150000007970 thio esters Chemical class 0.000 claims description 6
- 125000004417 unsaturated alkyl group Chemical group 0.000 claims description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- 150000004982 aromatic amines Chemical class 0.000 claims description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 38
- 239000006260 foam Substances 0.000 description 35
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 30
- 239000003054 catalyst Substances 0.000 description 25
- 239000000463 material Substances 0.000 description 21
- 238000002156 mixing Methods 0.000 description 20
- 229910000831 Steel Inorganic materials 0.000 description 18
- 239000010959 steel Substances 0.000 description 18
- 125000004432 carbon atom Chemical group C* 0.000 description 16
- 150000002989 phenols Chemical class 0.000 description 16
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 15
- 238000012360 testing method Methods 0.000 description 15
- 238000011156 evaluation Methods 0.000 description 13
- 239000007788 liquid Substances 0.000 description 12
- 150000005846 sugar alcohols Polymers 0.000 description 12
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 10
- 239000002253 acid Substances 0.000 description 10
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 9
- 238000009413 insulation Methods 0.000 description 9
- 229920001568 phenolic resin Polymers 0.000 description 9
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 8
- 239000003063 flame retardant Substances 0.000 description 8
- 230000020169 heat generation Effects 0.000 description 8
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical class CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 7
- 239000003381 stabilizer Substances 0.000 description 7
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 6
- 235000014113 dietary fatty acids Nutrition 0.000 description 6
- 239000000194 fatty acid Substances 0.000 description 6
- 229930195729 fatty acid Natural products 0.000 description 6
- 229920002635 polyurethane Polymers 0.000 description 6
- 239000004814 polyurethane Substances 0.000 description 6
- 239000007921 spray Substances 0.000 description 6
- 229910019142 PO4 Inorganic materials 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 5
- 125000003647 acryloyl group Chemical group O=C([*])C([H])=C([H])[H] 0.000 description 5
- 239000010452 phosphate Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- VOZKAJLKRJDJLL-UHFFFAOYSA-N tolylenediamine group Chemical group CC1=C(C=C(C=C1)N)N VOZKAJLKRJDJLL-UHFFFAOYSA-N 0.000 description 5
- 239000004604 Blowing Agent Substances 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 4
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 4
- 239000004721 Polyphenylene oxide Substances 0.000 description 4
- 150000007513 acids Chemical class 0.000 description 4
- 238000007259 addition reaction Methods 0.000 description 4
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 4
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000011056 performance test Methods 0.000 description 4
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 4
- 229920005906 polyester polyol Polymers 0.000 description 4
- 229920000570 polyether Polymers 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 4
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 4
- 125000003396 thiol group Chemical group [H]S* 0.000 description 4
- ARCGXLSVLAOJQL-UHFFFAOYSA-N trimellitic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 description 4
- GEYOCULIXLDCMW-UHFFFAOYSA-N 1,2-phenylenediamine Chemical compound NC1=CC=CC=C1N GEYOCULIXLDCMW-UHFFFAOYSA-N 0.000 description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 3
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 3
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 3
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 3
- 229930040373 Paraformaldehyde Natural products 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000003377 acid catalyst Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 150000001299 aldehydes Chemical class 0.000 description 3
- 125000001931 aliphatic group Chemical group 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
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- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910052797 bismuth Inorganic materials 0.000 description 3
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
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- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 3
- 150000002596 lactones Chemical class 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 3
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- 239000000243 solution Substances 0.000 description 3
- 239000000600 sorbitol Substances 0.000 description 3
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- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 3
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 2
- LVGUZGTVOIAKKC-UHFFFAOYSA-N 1,1,1,2-tetrafluoroethane Chemical compound FCC(F)(F)F LVGUZGTVOIAKKC-UHFFFAOYSA-N 0.000 description 2
- WZLFPVPRZGTCKP-UHFFFAOYSA-N 1,1,1,3,3-pentafluorobutane Chemical compound CC(F)(F)CC(F)(F)F WZLFPVPRZGTCKP-UHFFFAOYSA-N 0.000 description 2
- KJCVRFUGPWSIIH-UHFFFAOYSA-N 1-naphthol Chemical group C1=CC=C2C(O)=CC=CC2=C1 KJCVRFUGPWSIIH-UHFFFAOYSA-N 0.000 description 2
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- GLFSWJDJMXUVEV-UHFFFAOYSA-N prop-2-enoyl iodide Chemical compound IC(=O)C=C GLFSWJDJMXUVEV-UHFFFAOYSA-N 0.000 description 1
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Description
・化合物(a1):ポリオール[多価アルコール、多価フェノール、多価アルコール若 しくは多価フェノールのアルキレンオキサイド(以下、AOと略記 する)付加物、アミンのAO付加物、多価アルコールとポリカルボ ン酸若しくはラクトンとから誘導されるポリエステルポリオール等 ]の不飽和カルボン酸部分エステル又は部分不飽和アルキルエーテ ル[特に、部分(メタ)アクリル酸エステル又は部分アリルエーテ ル]
・化合物(a2):アミンの不飽和カルボン酸部分アミド化物又は部分不飽和アルキル 化物[特に、部分(メタ)アクリルアミド化物又は部分アリル化物 ]
・化合物(a3):ポリチオールの不飽和カルボン酸部分チオエステル又は部分不飽和 アルキルチオエーテル[特に、部分(メタ)アクリルチオエステル 又は部分アリル化物]
(2)水酸基価(mgKOH/g)は、JIS K 1557−1に準じて測定した。
撹拌装置を備えた反応容器内に、フェノール9400部、92%パラホルムアルデヒド1630部、酸触媒としてのシュウ酸19部を仕込んだ後、撹拌混合しながら、100℃の温度で、5時間、反応させた。その後、減圧下で水分を溜去することにより、目的とするノボラック型フェノール樹脂を得た。その遊離フェノールの含有量は、30質量%であった。
撹拌装置を備えた耐圧反応容器内に、上記ノボラック型フェノール樹脂の4000部を、アルカリ触媒としての水酸化カリウムの200部と共に、仕込んだ後、撹拌混合しながら、加圧条件下、エチレンオキサイドを3400部加えて、ノボラック型フェノール樹脂に付加させた。その後、水酸化カリウム(触媒)を酢酸で中和して、目的とするノボラック型のフェノール樹脂系ポリオールを得た。この得られたフェノール樹脂系ポリオールについて、水酸基価及び25℃における粘度を測定したところ、それぞれ300mgKOH/g及び5000mPa・s/25℃であった。
ソルビトールとアクリル酸とを反応させることによって、水酸基価が222であり、分子内のビニル重合性官能基が7.9mmol/gであるビニル重合性活性水素化合物を、準備した。
先ず、ポリオール化合物として、上記で準備したフェノール樹脂系ポリオール及び活性水素化合物(a)を用い、更に、トリレンジアミン系ポリオール(商品名:サンニックスHM−551、三洋化成工業株式会社製、水酸基価:400mgKOH/g)を用い、また、シリコーン整泡剤(商品名:SH−193、東レ・ダウコーニング社製)、難燃剤(トリスクロロプロピルホスフェート)、触媒A(商品名:TOYOCAT−TT、東ソー株式会社製)、触媒B(商品名:カオライザーNo.31、花王株式会社製)、触媒C(商品名:カオライザーNo.410、花王株式会社製)及び起泡剤(リシノール酸カリウム)を用いて、下記表1に示される配合割合において、それぞれの成分を混合せしめて、各種のポリオール配合液を調製した。
(1)フォーム単体の難燃性評価
各フォーム単体から、縦×横のサイズが99±1mmになるように、3個切り出し、そして、フォーム部分の厚みが25mmとなるように、上下のスキン層をカットして、試験体を準備した。
次いで、その試験体について、コーンカロリーメーター(株式会社東洋精機製作所製、CONE III)を用いて、(財)日本建築綜合試験所編、「防耐火性能試験・評価業務方法書4.12.1発熱性試験・評価方法」に準拠して、加熱開始後5分間における最大発熱速度、発熱速度が200kW/m2 を超えた時間、総発熱量を測定した。結果は、3試験体の平均値にて求めた。また、残炭率は、下式に基づいて、求めた。
残炭率=(試験後のフォーム重量/試験前のフォーム重量)×100
(2)鋼板付きフォームの不燃材料評価
それぞれの鋼板付きフォームから、縦×横のサイズが99±1mmとなるように、3個切り出し、試験体を得た。
次いで、その試験体について、コーンカロリーメーター(株式会社東洋精機製作所製、CONE III)を用いて、(財)日本建築綜合試験所編、「防耐火性能試験・評価業務方法書4.10.2発熱性試験・評価方法」に準拠して、加熱開始後20分間における最大発熱速度、発熱速度が200kW/m2 を超えた時間、総発熱量を測定し、不燃材料評価を行ない、その結果を、3試験体の平均値にて求めた。
(3)密度の測定
見掛け全体密度の測定を、JIS K 7222に準拠して行なった。
(4)面材との接着性評価
それぞれの鋼板付きフォームから、上下の鋼板のサイズが50mm×200mmとなるように、試験体を切り出し、そして該試験体の鋼板の50mmの辺の中心部に、ばね秤を引っ掛けた後、鋼板を引き剥す方向に鋼板面に垂直方向へ鋼板が剥離するまで引っ張り、鋼板が剥離した際の荷重を読み取ることにより、当該鋼板のピーリング強度(N)を求めて、接着性評価の指標とした。なお、このピーリング強度の測定は、鋼板付きフォームの上下の鋼板(面板)について行なった。
(5)寸法安定性の評価
得られたフォームを、150mm×150mm×30mmの形状に切り出し、50℃の雰囲気下で、24時間静置し、その厚みの変化を測定して、寸法変化率[=(切出後の寸法−静置後の寸法)×100/切出後の寸法]を求め、評価した。その評価結果は、寸法変化率が1%未満の場合を○、1〜3%の場合を△、3%を超えるものを×とした。
(6)熱伝導率の測定
得られたポリウレタンフォームについて、熱伝導率測定装置:AUTO A HC−074/200(英弘精機株式会社製)を用いて、JIS A 1412−2付属書A(規定)平板比較法のA6.測定方法に準拠して行なった。
先の実施例1〜6において、活性水素化合物(a)として用いた、ソルビトールとアクリル酸とを反応させて得られるビニル重合性活性水素化合物に代えて、ペンタエリスリトールとメタクリル酸とを反応させて得られるビニル重合性活性水素化合物(水酸基価:165、ビニル重合性官能基:8.8mmol/g)、又はグリセリンとメタクリル酸とを反応させて得られたビニル重合性活性水素化合物(水酸基価:246、ビニル重合性官能基:8.8mmol/g)を用いて、先の実施例と同様にして、硬質ポリウレタンフォームを製造したところ、先の実施例と同様に、残炭率や難燃性、更には接着性、寸法安定性、熱伝導率等の特性が向上せしめられ得ることを確認した。
Claims (6)
- ポリオール化合物とポリイソシアネート化合物とを反応せしめると共に、発泡剤として二酸化炭素を用いて発泡させることにより得られるポリウレタンフォームの製造に使用される、該ポリオール化合物として、活性水素含有基と2個以上のビニル重合性官能基を有する、ポリオールの不飽和カルボン酸部分エステル又は部分不飽和アルキルエーテル、アミンの不飽和カルボン酸部分アミド化物又は部分不飽和アルキル化物、及びポリチオールの不飽和カルボン酸部分チオエステル又は部分不飽和アルキルチオエーテルからなる群より選ばれた1種以上の活性水素化合物を含んでなる発泡性組成物であって、
前記ポリオール化合物が、更に、ノボラック型フェノール樹脂にアルキレンオキサイドを付加させて得られるフェノール樹脂系ポリオールを含んでいることを特徴とするポリウレタンフォーム用発泡性組成物。 - 前記二酸化炭素が、水とポリイソシアネート成分との反応により発生する二酸化炭素である請求項1に記載のポリウレタンフォーム用発泡性組成物。
- 前記アルキレンオキサイドが、エチレンオキサイド、プロピレンオキサイド又はこれらの混合物である請求項1又は請求項2に記載のポリウレタンフォーム用発泡性組成物。
- 前記ポリオール化合物に、更に、芳香族ジアミンにアルキレンオキサイドを付加させて得られる芳香族アミン系ポリオールを含む請求項1乃至請求項3の何れか1項に記載のポリウレタンフォーム用発泡性組成物。
- 請求項1乃至請求項4の何れか1項に記載のポリウレタンフォーム用発泡性組成物を発泡、硬化させて得られるポリウレタンフォーム。
- ポリオール化合物とポリイソシアネート化合物とを反応せしめると共に、発泡剤として二酸化炭素を用いて発泡させることにより、ポリウレタンフォームを製造するに際し、該ポリオール化合物として、活性水素含有基と2個以上のビニル重合性官能基を有する、ポリオールの不飽和カルボン酸部分エステル又は部分不飽和アルキルエーテル、アミンの不飽和カルボン酸部分アミド化物又は部分不飽和アルキル化物、及びポリチオールの不飽和カルボン酸部分チオエステル又は部分不飽和アルキルチオエーテルからなる群より選ばれた1種以上の活性水素化合物を用いる方法において、
前記ポリオール化合物として、更に、ノボラック型フェノール樹脂にアルキレンオキサイドを付加させて得られるフェノール樹脂系ポリオールを用いることを特徴とするポリウレタンフォームの製造方法。
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