JP2020531655A - モノマージイソシアネートの含有量が少ない反応性接着剤 - Google Patents
モノマージイソシアネートの含有量が少ない反応性接着剤 Download PDFInfo
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- JP2020531655A JP2020531655A JP2020511475A JP2020511475A JP2020531655A JP 2020531655 A JP2020531655 A JP 2020531655A JP 2020511475 A JP2020511475 A JP 2020511475A JP 2020511475 A JP2020511475 A JP 2020511475A JP 2020531655 A JP2020531655 A JP 2020531655A
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- Prior art keywords
- monomer
- acid
- reactive adhesive
- polyol
- diisocyanate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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- 239000004823 Reactive adhesive Substances 0.000 title claims abstract description 53
- 125000005442 diisocyanate group Chemical group 0.000 title claims abstract description 51
- 239000000178 monomer Substances 0.000 claims abstract description 60
- 229920005862 polyol Polymers 0.000 claims abstract description 58
- 150000003077 polyols Chemical class 0.000 claims abstract description 58
- 229920000728 polyester Polymers 0.000 claims abstract description 48
- 239000002253 acid Substances 0.000 claims abstract description 23
- 150000002009 diols Chemical class 0.000 claims abstract description 19
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 16
- 239000007795 chemical reaction product Substances 0.000 claims abstract description 15
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 150000007524 organic acids Chemical class 0.000 claims abstract description 11
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 claims abstract description 9
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 150000008064 anhydrides Chemical class 0.000 claims abstract description 8
- 150000002148 esters Chemical class 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims description 24
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 19
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims description 14
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 12
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
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- 230000009477 glass transition Effects 0.000 claims description 9
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 claims description 8
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 7
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 claims description 6
- 235000013772 propylene glycol Nutrition 0.000 claims description 6
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- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 claims description 4
- 239000001361 adipic acid Substances 0.000 claims description 4
- 235000011037 adipic acid Nutrition 0.000 claims description 4
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 claims description 4
- 229940100573 methylpropanediol Drugs 0.000 claims description 4
- 229920000166 polytrimethylene carbonate Polymers 0.000 claims description 4
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims description 3
- JIABEENURMZTTI-UHFFFAOYSA-N 1-isocyanato-2-[(2-isocyanatophenyl)methyl]benzene Chemical compound O=C=NC1=CC=CC=C1CC1=CC=CC=C1N=C=O JIABEENURMZTTI-UHFFFAOYSA-N 0.000 claims description 3
- DSKYSDCYIODJPC-UHFFFAOYSA-N 2-butyl-2-ethylpropane-1,3-diol Chemical compound CCCCC(CC)(CO)CO DSKYSDCYIODJPC-UHFFFAOYSA-N 0.000 claims description 3
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical group CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 claims description 3
- 235000005985 organic acids Nutrition 0.000 claims description 3
- 239000001384 succinic acid Substances 0.000 claims description 3
- ACCCMOQWYVYDOT-UHFFFAOYSA-N hexane-1,1-diol Chemical group CCCCCC(O)O ACCCMOQWYVYDOT-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 14
- 125000001261 isocyanato group Chemical group *N=C=O 0.000 description 14
- 239000000853 adhesive Substances 0.000 description 13
- 230000001070 adhesive effect Effects 0.000 description 13
- 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 11
- 239000004721 Polyphenylene oxide Substances 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 10
- 229920000570 polyether Polymers 0.000 description 10
- 229920000642 polymer Polymers 0.000 description 10
- 238000005259 measurement Methods 0.000 description 8
- 239000000654 additive Substances 0.000 description 7
- -1 alicyclic isocyanates Chemical class 0.000 description 6
- 125000003118 aryl group Chemical group 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 238000009472 formulation Methods 0.000 description 6
- 239000012948 isocyanate Substances 0.000 description 6
- 229920005906 polyester polyol Polymers 0.000 description 6
- 125000001931 aliphatic group Chemical group 0.000 description 5
- LFSYUSUFCBOHGU-UHFFFAOYSA-N 1-isocyanato-2-[(4-isocyanatophenyl)methyl]benzene Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=CC=C1N=C=O LFSYUSUFCBOHGU-UHFFFAOYSA-N 0.000 description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 230000032050 esterification Effects 0.000 description 4
- 238000005886 esterification reaction Methods 0.000 description 4
- 238000005227 gel permeation chromatography Methods 0.000 description 4
- 150000002513 isocyanates Chemical class 0.000 description 4
- 239000000049 pigment Substances 0.000 description 4
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 4
- 229920000058 polyacrylate Polymers 0.000 description 4
- 229920000098 polyolefin Polymers 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 239000004831 Hot glue Substances 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000005038 ethylene vinyl acetate Substances 0.000 description 3
- QQHJDPROMQRDLA-UHFFFAOYSA-N hexadecanedioic acid Chemical compound OC(=O)CCCCCCCCCCCCCCC(O)=O QQHJDPROMQRDLA-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 229920000515 polycarbonate Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 238000004448 titration Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 2
- 239000013032 Hydrocarbon resin Substances 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- 239000005058 Isophorone diisocyanate Substances 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 2
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical compound ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 125000002723 alicyclic group Chemical group 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 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 2
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 description 2
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- 239000006229 carbon black Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
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- KORSJDCBLAPZEQ-UHFFFAOYSA-N dicyclohexylmethane-4,4'-diisocyanate Chemical compound C1CC(N=C=O)CCC1CC1CCC(N=C=O)CC1 KORSJDCBLAPZEQ-UHFFFAOYSA-N 0.000 description 2
- 238000000113 differential scanning calorimetry Methods 0.000 description 2
- ALOUNLDAKADEEB-UHFFFAOYSA-N dimethyl sebacate Chemical compound COC(=O)CCCCCCCCC(=O)OC ALOUNLDAKADEEB-UHFFFAOYSA-N 0.000 description 2
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 description 2
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- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 2
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- 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 2
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- SAMYCKUDTNLASP-UHFFFAOYSA-N hexane-2,2-diol Chemical compound CCCCC(C)(O)O SAMYCKUDTNLASP-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
Aは、フタル酸または無水フタル酸であり、Bは、少なくとも2つの酸基を有する少なくとも1つの有機酸、または対応する無水物もしくは対応するエステルであり、Cは、少なくとも1つのジオールであり、ただし、BはAではなく、モノマーAとモノマーBのモル比は、1:10〜10:1、好ましくは2:8〜9:1であり、
使用される前記ポリオールの平均OH価が10〜30mgKOH/gポリオールであり、
使用される前記ポリオールのOH基と使用される前記ジイソシアネートのNCO基の比が1:1.2〜1:4.0であり、
前記反応生成物が130℃で1〜200Pa・sの粘度を有すること
を特徴とする反応性接着剤、
その製造方法、および
前記反応性接着剤の使用に関する。
・ ポリオールとの反応におけるポリマージイソシアネートの使用(特許文献1)
・ 異なる反応性のNCO基(立体選択性)を有するジイソシアネートの使用(特許文献2および3)
・ 最終製品からのジイソシアネートの蒸留(特許文献4)
・ 三量化反応(特許文献5および6)または湿気硬化試薬(例えば、メルカプトシラン)とのさらなる反応(特許文献7)を実施することによる、化学結合に対する遊離NCOの後続反応
さらなる可能性は、比較的高分子量のポリマー(ポリオール)の使用である。
OH価(ポリオール):NCO価(ジイソシアネート)の比
によって決定される。
ジイソシアネートの出発重量はそこから決まる。通常、OH:NCO=1.0:1.5〜1.0:3.0の範囲で過剰量が選択される。
Aは、フタル酸または無水フタル酸であり、Bは、少なくとも2つの酸基を有する少なくとも1つの有機酸、または対応する無水物もしくは対応するエステルであり、Cは、少なくとも1つのジオールであり、ただし、BはAではなく、モノマーAとモノマーBのモル比は、1:10〜10:1、好ましくは2:8〜9:1である本発明による反応性接着剤は、使用される前記ポリオールの平均OH価が10〜30mgKOH/gポリオールであり、使用される前記ポリオールのOH基と使用される前記ジイソシアネートのNCO基の比が1:1.2〜1:4.0、好ましくは1:1.6〜1:2.5であり、前記反応生成物が130℃で1〜200Pa・sの粘度を有することを特徴とする。
モノマーA、BおよびCをエステル化し、かつ
ポリオールとしてのこのポリエステルを、必要に応じて1つまたは複数のさらなるポリオールの存在下、少なくとも1つのジイソシアネートと反応させ、
Aは、フタル酸または無水フタル酸であり、Bは、少なくとも2つの酸基を有する少なくとも1つの有機酸、または対応する無水物もしくは対応するエステルであり、Cは、少なくとも1つのジオールであり、ただし、BはAではなく、モノマーAとモノマーBのモル比は、1:10〜10:1、好ましくは2:8〜9:1である。
該方法は、使用される前記ポリオールの平均OH価が10〜30mgKOH/gポリオールであり、
使用される前記ポリオールのOH基と使用される前記ジイソシアネートのNCO基の比が1:1.2〜1:4.0、好ましくは1:1.6〜1:2.5であることを特徴とする。
1.試験方法
a)酸価の測定:
酸末端基の濃度を、DIN EN ISO 2114に準拠して、滴定法により、mgKOH/gポリマーで測定する。
OH基の濃度を、DIN 53240−2に準拠して、滴定法により、mgKOH/gポリマーで測定する。
NCO価を、DIN EN 1242に準拠して、滴定法により、重量%で測定した。
製造されたポリエステルの粘度、およびポリエステルとジイソシアネートとの反応生成物の粘度を、各場合、規定温度で、回転粘度計を使用して、DIN EN ISO 3219に準拠して、Pa・sで測定した。
本発明の文脈において使用されるポリエステルの熱特性を、DSC法DIN53765に準拠して、示差走査熱量測定(DSC)により測定する。2番目の加熱間隔の値を記載し、加熱速度は10K/分であった。
本発明によるポリエステルの数平均分子量を、溶離液としてのテトラヒドロフランと較正用ポリスチレン中でのゲル浸透クロマトグラフィーにより、DIN 55672−1に準拠して測定する。
遊離4,4’−MDIの含有量を、Waters e2695分離モジュールW/OH/CおよびWaters 2414 Ri検出器を備えたAlliance HPLCを使用して、GPCにより、重量%で測定した。最適な低分子量分離のために次のカラムの組み合わせを使用した:2×Agilent PLgel 3μm 100Å300×7.5mm。測定は、参考としての4,4’−MDIの純粋サンプルに対するものであった。
ジオールと二酸または二酸無水物との混合物を、表1に規定された量で、蒸留アタッチメントを備えた2L容量ガラスフラスコ内で、窒素下で融解させた。240℃の温度で、生成された反応水の大部分が、約4〜6時間で留去された。その後、酸価を測定することにより、反応の進行を30分ごとに調べた。15mgKOH/g未満の酸価に基づき、テトラ−n−ブチルチタネート(1.5g)(Borica Co., Ltd社製Tytan TNBT、Ldt;ポリエステルの理論収量に対し0.1重量%)を添加し、温度を230℃に下げ、装置内の圧力を段階的に10ミリバールに下げた。その際、溶融物の強い発泡が回避されるように段階を選択した。その後、酸価を測定することにより、反応の進行を30分ごとに調べた。酸末端基がもはや存在しなくなった時点(酸価は、<1mgKOH/gであった)で反応を終了した。22±2mgKOH/gのヒドロキシル末端基の濃度が得られた。
使用された市販ポリマー:
DYNACOLL(登録商標)7150:OHN=43、Tg=50℃のアモルファスポリエステル(Evonik Resource Efficiency GmbH社)
DYNACOLL(登録商標)7250:OHN=21、Tg=−50℃の液体ポリエステル(Evonik Resource Efficiency GmbH社)
Claims (14)
- ポリオールとしてモノマーA、BおよびCから構成されるポリエステル、ならびに必要に応じて1つまたは複数のさらなるポリオールと、ジイソシアネートと、の反応生成物を含む反応性接着剤であり、
Aは、フタル酸または無水フタル酸であり、Bは、少なくとも2つの酸基を有する少なくとも1つの有機酸、または対応する無水物もしくは対応するエステルであり、Cは、少なくとも1つのジオールであり、ただし、BはAではなく、モノマーAとモノマーBのモル比は、1:10〜10:1であり、
使用される前記ポリオールの平均OH価が10〜30mgKOH/gポリオールであり、
使用される前記ポリオールのOH基と使用される前記ジイソシアネートのNCO基の比が1:1.2〜1:4.0であり、
前記反応生成物が130℃で1〜200Pa・sの粘度を有すること
を特徴とする、反応性接着剤。 - 前記モノマーCが、モノエチレングリコール、ジエチレングリコール、ブチルエチルプロパンジオール、1,2−プロパンジオール、1,3−プロパンジオール、1,4−ブタンジオール、1,6−ヘキサンジオール、ネオペンチルグリコール、1,3−メチルプロパンジオール、および/または1,5−メチルペンタンジオールから選択されることを特徴とする、請求項1記載の反応性接着剤。
- 前記モノマーCが、少なくとも2つの異なるジオールC1およびC2を含み、前記モノマーC1が好ましくはモノエチレングリコールであり、前記モノマーC2が好ましくはネオペンチルグリコールまたは1,3−メチルプロパンジオールであることを特徴とする、請求項1または2記載の反応性接着剤。
- 前記モノマーBが少なくとも2つの異なる有機酸であることを特徴とする、請求項1〜3のいずれか1項記載の反応性接着剤。
- 前記モノマーBが有機酸を1つだけ含むことを特徴とする、請求項1〜3のいずれか1項記載の反応性接着剤。
- 前記モノマーBが、テレフタル酸、イソテレフタル酸、アジピン酸、およびコハク酸から選択される少なくとも1つの酸を含むことを特徴とする、請求項1〜5のいずれか1項記載の反応性接着剤。
- 前記ポリエステルが、130℃で100Pa・s未満、好ましくは80Pa・s未満の粘度を有することを特徴とする、請求項1〜6のいずれか1項記載の反応性接着剤。
- 前記ポリエステルが20℃〜60℃、好ましくは25〜55℃のガラス転移温度を有することを特徴とする、請求項1〜7のいずれか1項記載の反応性接着剤。
- 前記ポリエステルが、30±10℃のガラス転移温度、および130℃で20Pa・s未満の粘度を有すること、または48±10℃のガラス転移温度、および130℃で100Pa・s未満の粘度を有することを特徴とする、請求項1〜8のいずれか1項記載の反応性接着剤
- 反応生成物とジイソシアネートの合計に対し、モノマージイソシアネートの残留含有量が、2重量%未満、好ましくは0.01以上1重量%未満であることを特徴とする、請求項1〜9のいずれか1項記載の反応性接着剤。
- 前記ジイソシアネートが異性体的に純粋であるか、あるいはMDI(メチレンジフェニルイソシアネート)の異性体混合物であることを特徴とする、請求項1〜10のいずれか1項記載の反応性接着剤。
- 前記モノマーA、BおよびCをエステル化し、かつ
ポリオールとしてのこのポリエステルを、必要に応じて1つまたは複数のさらなるポリオールの存在下、少なくとも1つのジイソシアネートと反応させることを特徴する、請求項1〜11のいずれか1項記載の反応性接着剤の製造方法であり、
Aは、フタル酸または無水フタル酸であり、Bは、少なくとも2つの酸基を有する少なくとも1つの有機酸、または対応する無水物もしくは対応するエステルであり、Cは、少なくとも1つのジオールであり、ただし、BはAではなく、モノマーAとモノマーBのモル比は、1:10〜10:1であり、
使用される前記ポリオールの平均OH価が10〜30mgKOH/gポリオールであり、
使用される前記ポリオールのOH基と使用される前記ジイソシアネートのNCO基の比が1:1.2〜1:4.0であること
を特徴とする方法。 - 使用される前記モノマーCが、モノエチレングリコール、1,3−プロパンジオール、1,4−ブタンジオール、1,6−ヘキサンジオール、ネオペンチルグリコール、1,3−メチルプロパンジオール、および/または1,5−メチルペンタンジオールであり、使用される前記モノマーBが、テレフタル酸、イソテレフタル酸、アジピン酸、およびコハク酸から選択される少なくとも1つの酸であることを特徴とする、請求項12記載の方法。
- プラスチック、金属または木材を結合するための、またはプラスチックを金属および/または木材に結合するための請求項1〜11のいずれか1項記載の反応性接着剤の使用。
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EP17188861.3A EP3450476A1 (de) | 2017-08-31 | 2017-08-31 | Reaktivklebstoffe mit niedrigem gehalt an monomerem diisocyanat |
EP17188861.3 | 2017-08-31 | ||
PCT/EP2018/073224 WO2019043054A1 (de) | 2017-08-31 | 2018-08-29 | Reaktivklebstoffe mit niedrigem gehalt an monomerem diisocyanat |
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EP3243863A1 (de) | 2016-05-09 | 2017-11-15 | Evonik Degussa GmbH | Verwendung von block-copolymeren in klebstoffen |
EP3636687A1 (de) | 2018-10-12 | 2020-04-15 | Evonik Operations GmbH | Thermisch lösbare reaktivklebstoffe |
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WO2019043054A1 (de) | 2019-03-07 |
BR112020003954A2 (pt) | 2020-09-08 |
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