WO2022259968A1 - 接着剤および積層体 - Google Patents
接着剤および積層体 Download PDFInfo
- Publication number
- WO2022259968A1 WO2022259968A1 PCT/JP2022/022590 JP2022022590W WO2022259968A1 WO 2022259968 A1 WO2022259968 A1 WO 2022259968A1 JP 2022022590 W JP2022022590 W JP 2022022590W WO 2022259968 A1 WO2022259968 A1 WO 2022259968A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- adhesive
- terminated prepolymer
- isocyanate group
- liquid
- molecular weight
- Prior art date
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- 230000001070 adhesive effect Effects 0.000 title claims abstract description 140
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- 150000002009 diols Chemical class 0.000 claims abstract description 36
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- 239000005056 polyisocyanate Substances 0.000 claims abstract description 30
- 229920001228 polyisocyanate Polymers 0.000 claims abstract description 30
- FKTHNVSLHLHISI-UHFFFAOYSA-N 1,2-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC=C1CN=C=O FKTHNVSLHLHISI-UHFFFAOYSA-N 0.000 claims abstract description 19
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- 150000002513 isocyanates Chemical group 0.000 claims description 66
- 238000001723 curing Methods 0.000 claims description 46
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 42
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- 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 2
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- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
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- 125000003118 aryl group Chemical group 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
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- 235000011187 glycerol Nutrition 0.000 description 1
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- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- 238000007733 ion plating Methods 0.000 description 1
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 1
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 238000013008 moisture curing Methods 0.000 description 1
- 125000005487 naphthalate group Chemical group 0.000 description 1
- KYTZHLUVELPASH-UHFFFAOYSA-N naphthalene-1,2-dicarboxylic acid Chemical compound C1=CC=CC2=C(C(O)=O)C(C(=O)O)=CC=C21 KYTZHLUVELPASH-UHFFFAOYSA-N 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- HXSACZWWBYWLIS-UHFFFAOYSA-N oxadiazine-4,5,6-trione Chemical compound O=C1ON=NC(=O)C1=O HXSACZWWBYWLIS-UHFFFAOYSA-N 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- PFPYHYZFFJJQFD-UHFFFAOYSA-N oxalic anhydride Chemical compound O=C1OC1=O PFPYHYZFFJJQFD-UHFFFAOYSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920001281 polyalkylene Polymers 0.000 description 1
- 229920001610 polycaprolactone Polymers 0.000 description 1
- 239000004632 polycaprolactone Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920000909 polytetrahydrofuran Polymers 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000007151 ring opening polymerisation reaction Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 229920001909 styrene-acrylic polymer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229940014800 succinic anhydride Drugs 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- SRPWOOOHEPICQU-UHFFFAOYSA-N trimellitic anhydride Chemical compound OC(=O)C1=CC=C2C(=O)OC(=O)C2=C1 SRPWOOOHEPICQU-UHFFFAOYSA-N 0.000 description 1
- AVWRKZWQTYIKIY-UHFFFAOYSA-N urea-1-carboxylic acid Chemical compound NC(=O)NC(O)=O AVWRKZWQTYIKIY-UHFFFAOYSA-N 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 125000006839 xylylene group Chemical group 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- C09J175/06—Polyurethanes from polyesters
Abstract
Description
さらに、フィルムとして、金属蒸着層を備えるフィルムが使用されている(例えば、特許文献1(実施例13)参照。)。
芳香族ポリイソシアネートとしては、例えば、トリレンジイソシアネート(TDI)、ジフェニルメタンジイソシアネート(MDI)、トルイジンジイソシアネート(TODI)、パラフェニレンジイソシアネート、および、ナフタレンジイソシアネート(NDI)が挙げられる。芳香脂肪族ポリイソシアネートとしては、例えば、テトラメチルキシリレンジイソシアネート(TMXDI)が挙げられる。また、その他のポリイソシアネートは、本発明の優れた効果を阻害しない範囲において、上記した変性体であってもよい。これらは、単独使用または2種類以上併用できる。
これらは、単独使用または2種類以上併用できる。なお、ウレタン化触媒の配合量は、目的および用途に応じて、適宜設定される。
準備例1~3(ポリエステルポリオールA~C)
表1に記載の処方で、多塩基酸と多価アルコールとを混合した。混合物を、窒素気流下において、160~220℃でエステル化反応させた。また、所定量の縮合水を、留去させた。これにより、ポリエステルポリオールを得た。各ポリエステルポリオールの数平均分子量(ポリスチレン換算)を、ゲルパーミエーションクロマトグラムにより測定した。
その結果を、表1に示す。
ポリエーテルポリオールDとして、市販のポリテトラメチレンエーテルグリコール(商品名PTMEG-650、Korea PTG製、数平均分子量650)を、準備した。
合成例1~8および比較合成例1~3
表2および表3に記載の処方で、ポリイソシアネート成分と、低分子量ポリオールおよびマクロポリオールとを混合した。これらの混合物を、窒素気流下において、80℃でウレタン化反応させた。次いで、反応液のアミン当量が所定値(表(蒸留前)参照)に到達したことを確認した。その後、反応液を薄膜蒸留し、未反応のポリイソシアネート成分を除去した。これにより、イソシアネート末端プレポリマーを得た。なお、表2および表3には、各原料の質量割合(wt)、および、イソシアネート末端プレポリマーのアミン当量(蒸留後)を示す。
実施例1~12および比較例1~3
表4~表6に記載の処方で、第1液として、イソシアネート基末端プレポリマーを準備した。また、第2液として、低分子量ポリオールを準備した。これにより、2液硬化型接着剤を準備した。なお、第2液中の水酸基に対する第1液中のイソシアネート基の当量比(NCO/OH)を、約1.5とした。
表7に記載の処方で、第1液として、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付加体(XDI-TMP)の酢酸エチル溶液(固形分75質量%)を準備した。また、第2液として、低分子量ポリオールを準備した。さらに、比較例7では、第2液に、エタノールを混合した。これにより、2液硬化型接着剤を準備した。
第1基材として、コロナ処理された二軸延伸ポリプロピレンフィルム(商品名パイレン(登録商標)フィルムOT P-2161、厚み20μm、東洋紡製、以下、OPPフィルム)を準備した。
塗布量は、固形分重量2.0g/m2であった。
実施例13~14
表8に記載の処方で、湿気硬化型接着剤として、イソシアネート基末端プレポリマーを準備した。
第1基材として、コロナ処理されたOPPフィルムを準備した。また、第2基材として、VM-CPPフィルムを準備した。そして、湿気硬化型接着剤を、OPPフィルムのコロナ処理面に塗布した。塗布量は、固形分重量2.0g/m2であった。
(1)酸素透過度
積層体の酸素透過量を、酸素透過測定装置(OX-TRAN2/20、MOCON社製)を用いて測定した。なお、測定温度は20℃、相対湿度は80%(80%RH)である。また、単位は、cc/m2・24hrs・1atmとした。
OPPフィルムとVM-CPPフィルムとの貼り合わせ直後に、OPPフィルムとVM-CPPフィルムとを手で剥離させた。これにより、接着剤塗布面のタック(初期タック)を評価した。評価の基準を下記する。
○:明らかにタックがあった。
△:僅かにタックがあった。
×:タックがなかった。
積層体の接着強度を、JIS K 6854(1999)に準拠したT字剥離試験により測定した。
XDI:キシリレンジイソシアネート
XDI-TMP: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付加体の酢酸エチル溶液(固形分75質量%)
EG:エチレングリコール
PG:プロピレングリコール
DEG:ジエチレングリコール
DPG:ジプロピレングリコール
MF:基材破壊(OPPフィルム破断、OPPフィルム表層剥離、VM-CPPの無機薄膜の転写)
2 基材
3 接着剤層
4 無機薄膜
5 フィルム
6 複合フィルム
Claims (8)
- 前記低分子量ジオールが、エチレングリコールおよび/またはプロピレングリコールを含む、請求項1に記載の接着剤。
- 前記ポリエステルポリオールの数平均分子量が、400以上2000以下である、請求項1に記載の接着剤。
- 湿気硬化型接着剤である、請求項1に記載の接着剤。
- 2液硬化型接着剤であり、
前記イソシアネート基末端プレポリマーを含む第1液と、
低分子量ポリオールを含む第2液とを含む、請求項1に記載の接着剤。 - 前記2液硬化型接着剤の硬化物の総量に対して、前記構造式(A)で示される骨格の含有割合が、50質量%以上である、請求項5に記載の接着剤。
- 基材と、
前記基材の上に配置される接着剤層と、
前記接着剤層の上に配置される無機薄膜とを備え、
前記接着剤層が、請求項1に記載の接着剤の硬化物である、積層体。
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58219212A (ja) * | 1982-06-15 | 1983-12-20 | Toyo Tire & Rubber Co Ltd | ポリウレタン水性分散液 |
JP2002249745A (ja) * | 2001-02-27 | 2002-09-06 | Mitsui Takeda Chemicals Inc | 2液硬化型無溶剤系接着剤組成物 |
JP2012201731A (ja) * | 2011-03-24 | 2012-10-22 | Dic Corp | 接着剤及びそれを使用した酸素バリア性フィルム |
CN110591627A (zh) * | 2019-09-05 | 2019-12-20 | 上海阿莱德实业股份有限公司 | 一种新型粘合剂及导热界面材料 |
JP2021024986A (ja) | 2019-08-07 | 2021-02-22 | 三井化学株式会社 | ガスバリア性ポリウレタン樹脂組成物および積層体 |
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- 2022-06-03 EP EP22820149.7A patent/EP4353797A1/en active Pending
- 2022-06-03 WO PCT/JP2022/022590 patent/WO2022259968A1/ja active Application Filing
- 2022-06-03 JP JP2023527833A patent/JPWO2022259968A1/ja active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58219212A (ja) * | 1982-06-15 | 1983-12-20 | Toyo Tire & Rubber Co Ltd | ポリウレタン水性分散液 |
JP2002249745A (ja) * | 2001-02-27 | 2002-09-06 | Mitsui Takeda Chemicals Inc | 2液硬化型無溶剤系接着剤組成物 |
JP2012201731A (ja) * | 2011-03-24 | 2012-10-22 | Dic Corp | 接着剤及びそれを使用した酸素バリア性フィルム |
JP2021024986A (ja) | 2019-08-07 | 2021-02-22 | 三井化学株式会社 | ガスバリア性ポリウレタン樹脂組成物および積層体 |
CN110591627A (zh) * | 2019-09-05 | 2019-12-20 | 上海阿莱德实业股份有限公司 | 一种新型粘合剂及导热界面材料 |
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