SG190135A1 - Polyetherester polyols - Google Patents
Polyetherester polyols Download PDFInfo
- Publication number
- SG190135A1 SG190135A1 SG2013034129A SG2013034129A SG190135A1 SG 190135 A1 SG190135 A1 SG 190135A1 SG 2013034129 A SG2013034129 A SG 2013034129A SG 2013034129 A SG2013034129 A SG 2013034129A SG 190135 A1 SG190135 A1 SG 190135A1
- Authority
- SG
- Singapore
- Prior art keywords
- range
- polyol according
- polyetherester
- polyols
- polyol
- Prior art date
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- 229920005862 polyol Polymers 0.000 title claims abstract description 106
- 150000003077 polyols Chemical class 0.000 title claims abstract description 106
- 239000004814 polyurethane Substances 0.000 claims abstract description 41
- 229920002635 polyurethane Polymers 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 15
- 239000003054 catalyst Substances 0.000 claims description 54
- 150000001875 compounds Chemical class 0.000 claims description 43
- 239000011541 reaction mixture Substances 0.000 claims description 38
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims description 34
- 239000007858 starting material Substances 0.000 claims description 31
- 238000006243 chemical reaction Methods 0.000 claims description 28
- 239000000203 mixture Chemical class 0.000 claims description 26
- 125000002947 alkylene group Chemical group 0.000 claims description 24
- 239000002253 acid Substances 0.000 claims description 20
- 125000004432 carbon atom Chemical group C* 0.000 claims description 20
- 150000008065 acid anhydrides Chemical class 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 150000008064 anhydrides Chemical class 0.000 claims description 11
- 229910052739 hydrogen Inorganic materials 0.000 claims description 10
- 239000004604 Blowing Agent Substances 0.000 claims description 9
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 9
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims description 9
- FALRKNHUBBKYCC-UHFFFAOYSA-N 2-(chloromethyl)pyridine-3-carbonitrile Chemical class ClCC1=NC=CC=C1C#N FALRKNHUBBKYCC-UHFFFAOYSA-N 0.000 claims description 8
- 239000003426 co-catalyst Substances 0.000 claims description 8
- 239000001257 hydrogen Substances 0.000 claims description 8
- 150000002596 lactones Chemical class 0.000 claims description 8
- 239000005056 polyisocyanate Substances 0.000 claims description 8
- 229920001228 polyisocyanate Polymers 0.000 claims description 8
- 229940014800 succinic anhydride Drugs 0.000 claims description 8
- 239000004970 Chain extender Substances 0.000 claims description 6
- 229930195733 hydrocarbon Natural products 0.000 claims description 6
- 239000003431 cross linking reagent Substances 0.000 claims description 5
- 239000004215 Carbon black (E152) Substances 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 4
- 125000001931 aliphatic group Chemical group 0.000 claims description 4
- 150000001298 alcohols Chemical class 0.000 claims description 3
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 3
- 230000032050 esterification Effects 0.000 claims description 3
- 238000005886 esterification reaction Methods 0.000 claims description 3
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 2
- 238000006555 catalytic reaction Methods 0.000 claims description 2
- 229920000058 polyacrylate Polymers 0.000 claims description 2
- 229920000515 polycarbonate Polymers 0.000 claims description 2
- 239000004417 polycarbonate Substances 0.000 claims description 2
- 238000005809 transesterification reaction Methods 0.000 claims description 2
- 150000002431 hydrogen Chemical group 0.000 claims 1
- 230000002209 hydrophobic effect Effects 0.000 abstract description 13
- -1 cyclic anhydrides Chemical class 0.000 description 33
- 230000015572 biosynthetic process Effects 0.000 description 24
- 238000003786 synthesis reaction Methods 0.000 description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 22
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 20
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- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 10
- 239000007788 liquid Substances 0.000 description 10
- 229910052757 nitrogen Inorganic materials 0.000 description 10
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 9
- 229920001971 elastomer Polymers 0.000 description 9
- 239000000806 elastomer Substances 0.000 description 9
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- 239000012948 isocyanate Substances 0.000 description 8
- 150000002513 isocyanates Chemical class 0.000 description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 7
- 229920005869 Lupranol® 1200 Polymers 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 7
- 235000014113 dietary fatty acids Nutrition 0.000 description 7
- 239000000194 fatty acid Substances 0.000 description 7
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- 239000000835 fiber Substances 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- RINCXYDBBGOEEQ-UHFFFAOYSA-N succinic anhydride Chemical class O=C1CCC(=O)O1 RINCXYDBBGOEEQ-UHFFFAOYSA-N 0.000 description 7
- 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 6
- 238000000576 coating method Methods 0.000 description 6
- 238000007334 copolymerization reaction Methods 0.000 description 6
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 235000019198 oils Nutrition 0.000 description 6
- 150000002009 diols Chemical class 0.000 description 5
- 150000004665 fatty acids Chemical class 0.000 description 5
- 239000003063 flame retardant Substances 0.000 description 5
- 229920005652 polyisobutylene succinic anhydride Polymers 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 4
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- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 4
- 238000007792 addition Methods 0.000 description 4
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 4
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 4
- 230000007062 hydrolysis Effects 0.000 description 4
- 238000006460 hydrolysis reaction Methods 0.000 description 4
- 239000011968 lewis acid catalyst Substances 0.000 description 4
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 229920003225 polyurethane elastomer Polymers 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 229920002368 Glissopal ® Polymers 0.000 description 3
- 239000004721 Polyphenylene oxide Substances 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 229910021536 Zeolite Inorganic materials 0.000 description 3
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 235000019826 ammonium polyphosphate Nutrition 0.000 description 3
- 229920001276 ammonium polyphosphate Polymers 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 239000012975 dibutyltin dilaurate Substances 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000011256 inorganic filler Substances 0.000 description 3
- 229910003475 inorganic filler Inorganic materials 0.000 description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 3
- 239000012766 organic filler Substances 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 229920000570 polyether Polymers 0.000 description 3
- 238000007151 ring opening polymerisation reaction Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 150000005846 sugar alcohols Polymers 0.000 description 3
- 239000010457 zeolite Substances 0.000 description 3
- RBACIKXCRWGCBB-UHFFFAOYSA-N 1,2-Epoxybutane Chemical compound CCC1CO1 RBACIKXCRWGCBB-UHFFFAOYSA-N 0.000 description 2
- PQXKWPLDPFFDJP-UHFFFAOYSA-N 2,3-dimethyloxirane Chemical compound CC1OC1C PQXKWPLDPFFDJP-UHFFFAOYSA-N 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 2
- 239000004114 Ammonium polyphosphate Substances 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 244000075850 Avena orientalis Species 0.000 description 2
- 235000007319 Avena orientalis Nutrition 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 2
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 2
- AWMVMTVKBNGEAK-UHFFFAOYSA-N Styrene oxide Chemical compound C1OC1C1=CC=CC=C1 AWMVMTVKBNGEAK-UHFFFAOYSA-N 0.000 description 2
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 2
- 239000007983 Tris buffer Substances 0.000 description 2
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- 238000007259 addition reaction Methods 0.000 description 2
- 235000012211 aluminium silicate Nutrition 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 150000001991 dicarboxylic acids Chemical class 0.000 description 2
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 2
- 239000000539 dimer Substances 0.000 description 2
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 2
- 150000002191 fatty alcohols Chemical class 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
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- 238000010438 heat treatment Methods 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 150000002736 metal compounds Chemical class 0.000 description 2
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- 150000004706 metal oxides Chemical class 0.000 description 2
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- 239000003345 natural gas Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 150000002924 oxiranes Chemical class 0.000 description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 2
- QMMOXUPEWRXHJS-UHFFFAOYSA-N pentene-2 Natural products CCC=CC QMMOXUPEWRXHJS-UHFFFAOYSA-N 0.000 description 2
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- 229920005906 polyester polyol Polymers 0.000 description 2
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- 229920001296 polysiloxane Polymers 0.000 description 2
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- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
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- 239000003549 soybean oil Substances 0.000 description 2
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- 238000005507 spraying Methods 0.000 description 2
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 2
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- 239000010936 titanium Substances 0.000 description 2
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 description 2
- 150000003626 triacylglycerols Chemical class 0.000 description 2
- 150000005691 triesters Chemical class 0.000 description 2
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 2
- 150000004072 triols Chemical class 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 description 1
- KMOUUZVZFBCRAM-OLQVQODUSA-N (3as,7ar)-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione Chemical compound C1C=CC[C@@H]2C(=O)OC(=O)[C@@H]21 KMOUUZVZFBCRAM-OLQVQODUSA-N 0.000 description 1
- ZBBLRPRYYSJUCZ-GRHBHMESSA-L (z)-but-2-enedioate;dibutyltin(2+) Chemical compound [O-]C(=O)\C=C/C([O-])=O.CCCC[Sn+2]CCCC ZBBLRPRYYSJUCZ-GRHBHMESSA-L 0.000 description 1
- ZXHZWRZAWJVPIC-UHFFFAOYSA-N 1,2-diisocyanatonaphthalene Chemical compound C1=CC=CC2=C(N=C=O)C(N=C=O)=CC=C21 ZXHZWRZAWJVPIC-UHFFFAOYSA-N 0.000 description 1
- KOJXXRFVSGWKCI-UHFFFAOYSA-N 1,2-dimethylimidazole Chemical compound CC1=NC=[C]N1C KOJXXRFVSGWKCI-UHFFFAOYSA-N 0.000 description 1
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- GEEGPFGTMRWCID-UHFFFAOYSA-N 1-n,1-n,1-n',1-n'-tetramethylbutane-1,1-diamine Chemical compound CCCC(N(C)C)N(C)C GEEGPFGTMRWCID-UHFFFAOYSA-N 0.000 description 1
- CVFRFSNPBJUQMG-UHFFFAOYSA-N 2,3-bis(2-hydroxyethyl)benzene-1,4-diol Chemical compound OCCC1=C(O)C=CC(O)=C1CCO CVFRFSNPBJUQMG-UHFFFAOYSA-N 0.000 description 1
- RZEWIYUUNKCGKA-UHFFFAOYSA-N 2-(2-hydroxyethylamino)ethanol;octadecanoic acid Chemical compound OCCNCCO.CCCCCCCCCCCCCCCCCC(O)=O RZEWIYUUNKCGKA-UHFFFAOYSA-N 0.000 description 1
- LCZVSXRMYJUNFX-UHFFFAOYSA-N 2-[2-(2-hydroxypropoxy)propoxy]propan-1-ol Chemical compound CC(O)COC(C)COC(C)CO LCZVSXRMYJUNFX-UHFFFAOYSA-N 0.000 description 1
- CJWBPEYRTPGWPF-UHFFFAOYSA-N 2-[bis(2-chloroethoxy)phosphoryloxy]ethyl bis(2-chloroethyl) phosphate Chemical compound ClCCOP(=O)(OCCCl)OCCOP(=O)(OCCCl)OCCCl CJWBPEYRTPGWPF-UHFFFAOYSA-N 0.000 description 1
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 description 1
- 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 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
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- 235000017060 Arachis glabrata Nutrition 0.000 description 1
- 244000105624 Arachis hypogaea Species 0.000 description 1
- 235000010777 Arachis hypogaea Nutrition 0.000 description 1
- 235000018262 Arachis monticola Nutrition 0.000 description 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229920002261 Corn starch Polymers 0.000 description 1
- 229910020521 Co—Zn Inorganic materials 0.000 description 1
- 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 1
- 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 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- 240000002989 Euphorbia neriifolia Species 0.000 description 1
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 1
- 239000005058 Isophorone diisocyanate Substances 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229920005897 Lupranol® 3300 Polymers 0.000 description 1
- KWYHDKDOAIKMQN-UHFFFAOYSA-N N,N,N',N'-tetramethylethylenediamine Chemical compound CN(C)CCN(C)C KWYHDKDOAIKMQN-UHFFFAOYSA-N 0.000 description 1
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 description 1
- AKNUHUCEWALCOI-UHFFFAOYSA-N N-ethyldiethanolamine Chemical compound OCCN(CC)CCO AKNUHUCEWALCOI-UHFFFAOYSA-N 0.000 description 1
- 229910018605 Ni—Zn Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 240000004713 Pisum sativum Species 0.000 description 1
- 235000010582 Pisum sativum Nutrition 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
- C08G65/2603—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen
- C08G65/2606—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen containing hydroxyl groups
- C08G65/2609—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen containing hydroxyl groups containing aliphatic hydroxyl 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
- C08G65/2603—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen
- C08G65/2615—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen the other compounds containing carboxylic acid, ester or anhydride groups
Abstract
27Polyetherester polyolsAbstract5 The present invention relates to hydrophobic polyetherester polyols, to a process for preparingthem, and to the use of the polyetherester polyols of the invention for producing polyurethanes. No suitable figure
Description
Polyetherester polyols
The present invention relates to hydrophobic polyetherester polyols, to a process for preparing them, and to the use of the polyetherester polyols of the invention for producing polyurethanes.
Polyetherester polyols, in other words those polyols which have not only polyether units but also polyester units in one molecule chain, may be prepared, for example, by ring-opening polymerization of alkylene oxides on hydroxy-functional starter compounds in the presence of cyclic anhydrides. Suitable cyclic anhydrides include, for example, unsaturated anhydrides such as maleic anhydride or saturated anhydrides such as succinic anhydride, or else aromatic anhydrides such as phthalic anhydride. The copolymerization of the cyclic anhydrides with alkylene oxides such as propylene oxide takes place, as a general ruie, in the presence of alkoxylation catalysts. Here, double metal cyanide catalysts in particular have been found appropriate, and result in good conversions and high incorporation rates.
Polyester polyols generally have good mechanical properties, but are sensitive to hydrolysis.
Polyether polyols are generally not sensitive to hydrolysis, but usually have not very good mechanical properties.
Polyetherester polyols often combine both advantages without the attendant disadvantages.
This means that, generally speaking, polyetherester polyols have good mechanical properties, without at the same time being sensitive fo hydrolysis. in numerous applications, as for exampie in the case of polyurethanes preparable from polyols, such as polyetherester polyols, there is a desire for hydrophobic properties. Such properties result, generally, in reduced water absorption on the part of polyurethanes prepared from the respective polyols. In polyurethanes (PU), properties of this kind are often desired. For instance, materials made from polyurethanes and having a low water absorption usually exhibit improved aging behavior in the course of service. Moreover, hydrophobically modified polyurethanes may have an altered surface structure, and this may be manifested, for example, in improved slip resistance or in a more pleasant sensation when touched (improved tactile quality). A clear advantage is offered by reduced water absorption in coatings, adhesives, sealants, and elastomers ("CASE" applications). In these applications, the maximum water absorption of the polyurethane under defined test conditions is often specified, since it is known from experience that polyurethanes with a relatively low water absorption usually exhibit improved properties in these applications. For instance, the absorption of water may reduce the hardness of the polyurethane and the attachment of the polyurethane to substrates. in casings of electronic 40 components, there is likewise a desire for polyurethane with low water absorbency, since the absorption of water results in an increase in the dielectric constant and a reduction in the specific breakdown resistance.
These properties could be achieved, for example, through the use of hydrophobic polyols, more particularly polyetherester polyols, in a process for preparing polyurethanes.
Cited below are a number of literature examples describing the DMC-catalyzed copolymerization of cyclic anhydrides with alkylene oxides:
US2007/0265367A1 describes UV-curable polyols which are preparable by copolymerization of unsaturated acid anhydrides with propylene oxide with the assistance of DMC catalysts.
Unsaturated acid anhydrides referred to in said document include cis-1,2,3,6-tetrahydrophthalic anhydride and maleic anhydride.
The document J. Appl. Polym. Sci. 2007, 103, 417 describes the copolymerization of maleic anhydride, phthalic anhydride, and succinic anhydride with propylene oxide by means of DMC catalysts.
GB 1 310 461 A1 likewise describes the copolymerization of alkylene oxides with cyclic anhydrides. Cyclic anhydrides referred to in said document included phthalic, succinic, 3,4- dichlorophthalic, tetrahydrophthalic, chiorenic, 2,3-dimethylmaleic, 4,5-dimethylphthalic, 2- phenylethylmaleic, and 2-tolyimaleic anhydrides.
Itis known that it is difficult to prepare polyesterols from dicarboxylic acids and glycois which have an alkyl substituent adjacent to a reactive hydroxyl group. In the case of the preparation of polyesterols with a relatively high molecular weight, the concentration of reactive groups is low, and hence results in a reduced reaction rate, If glycols with an alky! substituent adjacent to a hydroxyl group are used, the reaction rate toward the end of the reaction may become so low that not all of the carboxylic acid groups have undergone conversion to ester groups during the time provided for the preparation of the polyesterol. As a result, the acid number of such a polyol is generally comparatively high, higher for example than 20 mg KOH/g, and so the polyol may not be able to be used in preparing polyurethanes.
The literature available io date in the field of the preparation of polyetherester polyols, as embodied, for example, in the documents cited above, has therefore not provided any solution, or at any rate any satisfactory solution, to the problem of how to prepare polyetherester polyols having hydrophobic properties.
The object of the invention was therefore to provide hydrophobic polyols by a simple process, the intention being for the polyols preferably to have a low acid number. The products ought fo deliver improved hydrophobic properties in polyurethanes, and this in turn ought to result in improved swelling values. 40 It has been possible to achieve this object by subjecting at least one alkylene oxide to an addition reaction with at ieast one H-functional starter compound with the assistance of a catalyst and in the presence of at least one alkyi-chain-substituted acid anhydride or alkyl-chain- substituted lactone, fo form hydrophobic polyetherester polyols.
The present invention accordingly provides a polyetherester polyol having an acid number of less than 20 mg KOH/g, preferably less than 10 mg KOH/g, more preferably less than 5 mg
KOH/g, and a composition as follows:
Y-{O-[CHr-CHR1-O]n-{[C(0)-CHR2-CHR3-X-0-]¢-[CH2-CHR5-Ofn}-{CH2-CHR4-O]-H}s, where . m, n and z are each integers, with m being situated in the range 0-10, nin the range 1-20, and z in the range of 1-50, and where . X is selected from =CO or—(CH2)-, where 0 is an integer and is in the range of 0-10, and where * Y is the hydrocarbon radical of a polyhydroxy-functional polyol having a functionality of 1.5 - 8 and an equivalent weight of 100 to 1000, preferably 100 to 500, and where . R1 is selected from the group encompassing -H; -(CHz),-CHs; -aryl; -cycloalkyl, where p is an integer and is in the range of 0-22, and where
R2 is selected from the group encompassing hydrogen and the aliphatic hydrocarbons having 5 to 150 carbon atoms » R3 is selected from the group encompassing hydrogen and the aliphatic hydrocarbons having 5 to 150 carbon atoms, and at least one of the two radicals R2 and R3 is not hydrogen, and where
R4 is selected from the group encompassing -H; -(CHz),-CHa; -aryl; cycloalkyl, where p is an integer and is in the range of 0-22, and where . R5 is selected from the group encompassing -H; ~(CHz2)s-CHs; -aryl; -cycloalkyl, where p is an integer and is in the range of 0-22, and where . q is an integer in the range from 1 to 40, ris an integer in the range from 1 to 10, and sis an integer in the range from 1 to 10.
In one preferred embodiment of the invention, X is a carbonyl unit.
In a further preferred embodiment of the invention, m is in the range 1 to 5, preferably 1 to 3.
In a further preferred embodiment of the invention, n is in the range 1 to 10.
In a further preferred embodiment of the invention, z is in the range 1 to 30. in a further preferred embodiment of the invention, R1, R4, and R5 each independently of one another are selected from the group encompassing -H and -(CHa),~-CHs, where p =.
In a further preferred embodiment of the invention, at least one of the two radicals R2 and R3 is an aliphatic hydrocarbon having 16 to 22 or 50 to 70 carbon atoms.
In a further preferred embodiment of the invention, at least one of the two radicals R2 and R3 is 40 an aliphatic hydrocarbon having 16 to 22 or 50 fo 70 carbon atoms.
In a further preferred embodiment of the invention, R2 is an aliphatic hydrocarbon having 16 or 18 carbon atoms.
In a further preferred embodiment of the invention, R3 is an aliphatic hydrocarbon having 16 or 18 carbon atoms.
In a further preferred embodiment of the invention, o is in the range from 1 to 5, preferably 1 to 3, and/or q is in the range from 1 to 5.
In a further preferred embodiment of the invention, r is in the range from 1 to 5 andfor R4 is selected from the group consisting of H and -(CH3),-CHs, where p= 0.
In a further preferred embodiment of the invention, s is in the range from 2 to 10.
In a further preferred embodiment of the invention, R1 and RS are each -(CHz),-CHs, where p = 0, and R4 is hydrogen.
In a further preferred embodiment of the invention, Y is the hydrocarbon radical of a polyhydroxy-functional polyol having a functionality of 1.5 to 4.
In a further preferred embodiment of the invention, X is a carbonyl unit, gis 1, nis 1 to 10, zis 1 to 10, and R1, R4, and R5 are each -(CHz)-CHs, and ris in the range from 1 to 5 and sin the range from 1 fo 10, and one of the two radicals R2 and R3 is an aliphatic hydrocarbon having 16 or 18 carbon atoms, and the other of the two radicals R2 and R3 is hydrogen, and p= 0.
In a further preferred embodiment of the invention, Y is an at least dihydroxy-functional polyol based on a natural oil.
In the present disclosure, the terms "biobased compound/biobased raw material”, "renewable compound/renewable raw material”, "natural compound/natural raw material" (such as "natural oil", for example) are used uniformly and refer to all compounds which are not prepared from fossil raw materials, such as petroleum, natural gas or coal, in contrast to the compounds of petrochemistry, which ultimately derive from natural gas or petroleum as starting materials.
The expression "fat-based compound/fat-based raw material" refers to a specific class of biobased compounds, and describes compounds derived from fatty acids, more particularly fatty acid esters. The term "fatty acid esters" here refers to monoesters, diesters or triesters of fatty acids; the last-mentioned triesters of fatty acids are also referred to as triglycerides.
Triglycerides are principal constituents of natural fats or oils, such as castor oil or soybean oil, for example.
The equivalent weight of the polyetherester polyol of the invention is preferably 400 to 6000. 40
The present invention further provides a process for preparing one of the polyetherester polyols of the invention defined above, by catalyzed reaction of at least one alkylene oxide with at least one H-functional starter compound in the presence of at least one alky!l-chain-substituted acid anhydride and/or alkyl-chain-substituted lactone.
The H-functional starter compounds are preferably selected from the group of the polyalcohols 5 typically used, having a functionality F of 1.5 to 8, and their products of reaction with the abovementioned alkylene oxides. Likewise preferred, furthermore, are fat-based starter molecules such as hydroxyl-containing fats (for example, castor oil or hydroxyl-modified natural fats and oils) or hydroxy-functionalized fat derivatives (including fat-based dimer diols such as, for example, Sovermol® 908 from Cognis GmbH) The hydroxy-functionalized fat derivatives may be based, for example, on castor oil, soybean oil, paim oil or sunflower oil.
It is preferred fo use exactly one H-functional starter compound.
The H-functional starter compounds stated may be prepared by means, for example, of epoxidation, ring opening, hydroformylation/hydrogenation, ozonolysis, direct oxidation or laughing-gas oxidation/reduction.
In a further preferred embodiment of the process of the invention, the H-functional starter compound is selected from the group encompassing alkylene oxide adducts of polyfunctional alcohols.
In a further preferred embodiment of the process of the invention, a DMC (double metal cyanide) catalyst is used.
DMC (double metal cyanide) catalysts used are preferably Co-Zn, Fe-Zn, and/or Ni-Zn-based double metal cyanide catalysts, particular preference being given to the use of zinc hexacyanocobaltate catalysts, as have been described in, for example, US 3 404 109,
US 3 427 256, US 3 427 334, US 3427 335, US 3 829 505, US 3 941 849, US 4 472 560,
US 4 477 589, US 5 158 622, US 5 470 813, US 5482 908, US 5 545 601, EP 0 700 949,
EP 0743093, EP 0761 708; WO 97/40086, WO 98/16310, WO 00/47649, and JP 4 145 123.
The catalyst concentration is typically between 5 and 1000 ppm, preferably between 20 and 250 ppm, more preferably between 50 and 150 ppm, based on the total mass of the end product to be prepared.
The DMC catalyst may be introduced either directly as a solid or in suspension in a polyetherol, together with the starter compound. Suspension polyetherols used are, in general, in accordance with the prior ar, alkylene oxide adducts of alcohols having a functionality of two, three or four, such as monopropylene glycol, dipropylene giycol, monoethyiene glycol, diethylene glycol, 1,4-butanediol, glycerol, frimethylolpropane or pentaerythritol. These 40 suspension polyetherols typically have a molecular weight of between 300 and 5000 g/mol, preferably between 300 and 1000 g/mol, and are obtained in general via the alkali-metal- catalyzed addition reaction of alkylene oxides.
In a further preferred embodiment of the process of the invention, in addition to the DMC catalyst, a co-catalyst compound is used which catalyzes esterification and/or transesterification reactions.
The co-catalyst is preferably selected from the group encompassing Lewis acids, organotin carboxylates, titanium compounds, metal oxides, and aryl oxides comprising aluminum, lithium, titanium, and lanthanides. With particular preference the co-catalyst is selected from the group encompassing fitanium compounds having the general formula Ti{OR)s, where R is an alkyl group having 1 to 4 C atoms. Examples of such include, but are not confined {o, tetraethyl titanate, tetraisopropyl titanate, tetra-tert-butyl titanate, and mixtures thereof.
If a co-catalyst is present, the DMC catalyst is present preferably in an amount of 5 to 2000 ppm, more preferably 20 to 250 ppm, while the co-catalyst is present in an amount of 1 to 1000 ppm, based in each case on the {otal mass of the end product.
The stated amount of DMC catalyst and co-catalyst may be added at once at the same time at the beginning of the reaction, or alternatively may be added in succession in different phases of the reaction.
The term "alkyl-chain-substituted acid anhydride” or "alkyi~-chain-substituted lactone" refers to acid anhydrides and lactones, respectively, having in each case at least one alkyl substituent that has 5 to 150, preferably 10 to 100, carbon atoms. The alkyl substituent in question may be straight-chain or branched.
In one preferred embodiment, said alkyl-chain-substituted acid anhydride used is alkyl-chain- substituted succinic anhydride.
The respective acid anhydride or lactone preferably comprises exactly one alkyl substituent.
In one emhodiment of the process of the invention, alkyl-chain-substituted acid anhydrides used are preferably alkyl-chain-substituted succinic anhydrides, examples being C8-C20-substituted succinic anhydrides. Examples of products available commercially include Pentasize 8 or
Pentasize 68 (Cis alkenylsuccinic esteanhydride or C/C1s alkenylsuccinic esteanhydride, respectively, from Trigon Chemie GmbH). Other examples of alkyl-substituted succinic anhydrides include the poly(iscbutylene)-substituted succinic anhydrides (known generally by the abbreviation PIBSA). The PIBSA molecule ought preferably to have a molecular weight of 500-2000. One example of a product available commercially is Glissopal® SA from BASF SE.
Particular preference is given to using C16 or C18 succinic anhydrides or a combination of C16- and C18-substituted succinic anhydrides. 40
As mentioned, in one preferred embodiment of the process of the invention an alkyi-chain- substituted acid anhydride is used; in this case the alkyl-chain-substituted acid anhydride is preferably selected from the group encompassing alkylsuccinic anhydrides having 16 or 18 carbon atoms, polyisobutene-substituted succinic anhydride, and mixtures thereof.
Alkylene oxides which can be used include, for example, propylene oxide (PO), ethylene oxide (EO), 1,2-butylene oxide, 2,3-butylene oxide, 1,2-pentene oxide, 2,3-epoxypropyl neododecanocate (Cardura® E10P, Hexion Specialty Chemicals, Inc.) or styrene oxide. lt is preferred to use exactly one alkylene oxide.
In one preferred embodiment of the process of the invention, the alkylene oxide is selected from the group encompassing butylene oxide, propylene oxide, and ethylene oxide; propylene oxide is used with particular preference.
The process of copolymerization is typically conducted such that the hydroxy-functional starter compound is introduced to the reactor together with the alkyl-substituted acid anhydride or lactone, such as succinic anhydride, and the DMC catalyst, and also, optionally, the co-catalyst, and the catalyst is activated by addition of alkylene oxide. After activation has taken place, the alkylene oxides are metered in further continuously. In one embodiment of the invention, the alkyl-substituted acid anhydride, such as succinic anhydride, and/or the hydroxy-functional starter compound may be metered continuously into the reactor together with the alkylene oxides. The operation may also be conducted entirely continuously.
The reaction is carried out typically at temperatures between 80 — 200°C, preferably between 100 and 160°C.
The polyols of the invention are prepared by ring-opening polymerization of alkylene oxides and cyclic anhydrides and/or lactones. The polyols thus prepared are telechelics and have a well- defined molecular weight and functionality. The functionality is situated in the range between 2- 8, preferably between 2-4, more preferably between 2-3. The use of DMC catalysts in the synthesis allows the preparation of polyols having relatively high molecular weights. The hydrophobic polyetherester polyols obtainable from the process of the invention generally possess OH numbers of between 15 and 200 mg KOH/g, preferably between 20 and 80 mg
KOH/g.
The selection of the starter compounds, the alkylene oxides, and the alkyl-substituted cyclic acid anhydrides, and the weight fraction of the respective substances, allow the preparation of polyetherester hybrid polyols having different hydrophobic properties. Adjusting the functionality and the molecular weight makes it possible to fine-tune the polyol.
The incorporation of monomer into the polyetherester polyols of the invention can according to 40 theory be alternating. This means that the molar ratio of epoxide to anhydride can be 1:1. in general, the molar amount of the epoxide will be greater than that of the acid anhydride. Thus, the polyetherester polyols of the invention have from 1 to 45 mol%, preferably between 2 and
30 mol%, of alkyl-substituied acid anhydride units, preferably succinic anhydride units, based on the monomer fraction.
Although not absolutely mandatory, it is in practise generally the case that the number of the hydrophobic alkyl-substituted cyclic acid anhydride to be incorporated will be dependent on the molecular weight of the acid anhydride. If, for example, PIBSA molecules with a molecular weight of 1000 are used, then generally 1-3 PIBSA monomers are incorporated per polyol molecule. If, for example C18 alkenylsuccinic anhydride (e.g., Pentasize 8 from Trigon GmbH) is used, the molar fraction may be higher. :
The architecture of the polyols can be controlled further via the metering mode of the components and of the catalysts. Hence it is possible to include starter compounds, anhydrides, and the DMC catalyst, and optionally Lewis acid catalysts, in the initial charge to the reactor, and to add the alkylene oxides continuously. Depending on the chosen amount of catalyst and the reaction temperature, the two ring-opening polymerizations may run more or less parallel alongside one another. If, however, starter compound, anhydride, and, if used, Lewis acid catalyst is added to the reactor first of all, the initial product formed from the reaction between anhydride and starter compound is the monoester. After a further addition of the DMC catalyst and of the alkylene oxides, the alkoxylation reaction that forms ether groups will also run. :
The present invention further provides a process for producing polyurethane materials, wherein a) organic polyisocyanates are mixed to form a reaction mixture with b1) polyetheresterols of the invention, optionally b2) further polyols, and also chain extenders and/or crosslinking agents, ¢) blowing agents, d) catalysts, and optionaily e) auxiliaries and additives, and this reaction mixture is reacted, the polyols (b2) being selected from the group encompassing polyetherols (b2i), polyesterols (b2ii), polycarbonate polyols {b2iii) and polyacrylate polyols (b2iv).
The present invention further provides for the use of polyetherester polyols of the invention for producing polyurethane materials.
The polyisocyanates a) used for producing the polyurethane materials of the invention comprise compounds based on methanediphenyl diiosocyanate (referred to below as MDI), toluene diisocyanate, isophorone diisocyanate, naphthalene diisocyanate, H12MD! or hexamethylene diisocyanate. MDI comprehends 2,4-MDI, 4,4’-MDI, and higher polycyclic homologs and also mixtures thereof.
The polyisocyanate a) may be used in the form of polyisocyanate prepolymers. The polyisocyanate prepolymers are obtainable by reacting above-described MDI, at temperatures, 40 for example, of 30 fo 100°C, preferably at around 80°C, with inventive polyetheresterols (b1), polyetherols (b2i) and/or polyesterols (b2ii) to form the prepolymer. Polyetheresterols (b1) used are preferably the polyetherester polyols described above. For MDI-based prepolymers, for example, the NCO content of the prepolymers is preferably in the range from 2% to 30%, more preferably from 5% to 28%, and more particularly from 10% to 25%.
Polyetherals (b2i) may be, for example, polycls having OH values of 10-800 mg KOH/g, preferably 20-100 mg KOH/g, more particularly 25-50 mg KOH/g. Alkylene oxides which can be used in preparing the polyols (b2i) may be, for example, propylene oxide (PO), ethylene oxide (EO), 1,2-butylene oxide, 2,3-butylene oxide, 1,2-pentene oxide, or styrene oxide, preference being given to propylene oxide and sthylene oxide. Particularly suitable are propylene oxide- based polyols having an ethylene oxide cap of 10 to 30% by weight, more particularly 13% to 23%, and an average functionality of 2-8, more particularly 3-5. By average functionality here is meant the average functionality of the starter compounds or of the mixture thereof. Starter compounds which can be used include, for example, glycerol, frimethylolpropane, pentaerythritol, sorbitol, sucrose, triethanolamine,.and ethylenediamine or mixtures thereof.
PolyTHF (polytetrahydrofuran) as well may be used as component (b2i).
Suitable polyesterpolyols (b2ii} may be prepared, for example, from organic dicarboxylic acids having 2 to 12 carbon atoms, preferably aliphatic dicarboxylic acids having 4 to 6 carbon atoms, and polyhydric alcohols, preferably diols, having 2 to 12 carbon atoms, preferably 2 to 6 carbon atoms, by conventional methods. Typically the organic polycarboxylic acids and/or derivatives thereof and polyhydric alcohols are subjected to polycondensation, advantageously in a molar ratio of 1:1 to 1:1.8, preferably of 1:1.05 to 1:1.2, without catalyst or, preferably, in the presence of esterification catalysts, usefully in an atmosphere of inert gas, such as, for example, nitrogen, carbon monoxide, helium, argon, etc., in the melt at temperatures from 150 to 250°C, preferably 180 to 220°C, optionally under reduced pressure, until the desired acid number is reached, which is advantageously less than 10, preferably less than 2.
Polycaprolactones as well may be used as component (b2ii).
As chain extenders and/or crosslinking agents it is possibie to use diols and/or triols having molecular weights of less than 400 g/mol, preferably 60 to 300 g/mol. Examples of those contemplated include aliphatic, cycloaliphatic and/or araliphatic diols having 2 to 14, preferably 4 fo 10, carbon atoms, such as, for example, ethylene glycol, 1,3-propanediol, 1,10-decanediol, o-, m-, and p-dinydroxycyclohexane, diethylene glycol, dipropylene glycol, and preferably 1,4- butanediol, 1,6-hexanediol, and bis(2-hydroxyethyl}hydroquinone, triols, such as 1,2,4- and 1,3,5-trihydroxycyclohexane, triethanolamine, diethanolamine, glycerol, and trimethylolpropane, and low molecular mass, hydroxyl-containing polyalkylene oxides based on ethylene oxide and/or 1,2-propylene oxide and the aforementioned diols andfor tricls as starter molecules.
Where chain extenders, crosslinking agents or mixtures thereof find application in the preparation of the polyurethanes in accordance with the invention, these chain extenders and 40 crosslinking agents are employed usefully in an amount of up to 10% by weight, based on the weight of the sum of the polyol compounds.
As blowing agents (c) it is possible io use the hydrochioroflucrocarbons (HCFCs) that are general knowledge from polyurethane chemistry, and also highly fluorinated and/or perfluorinated hydrocarbons. In accordance with the invention it is possible additionally to make use, in particular, of aliphatic and/or cycloaliphatic hydrocarbons, more particularly pentane and cyclopentane, or of acetals, such as, for example, methylal, and CO», as blowing agents. These physical blowing agents are typically added to the polyol component. Alternatively they may be added to the isocyanate component, or, as a combination, both to the polyol component and to the isocyanate component.
Furthermore, it is possible and customary to add water as a polyol component blowing agent, in an amount of 0.5% to 15% by weight, preferably 1% to 5% by weight, based on the otal weight of the components to be used. The addition of water may be made in combination with the use of the other blowing agents described.
For the purposes of the invention it is preferred to utilize water as blowing agent.
As catalysts (d) for preparing the polyurethanes, use is made in particular of compounds which greatly accelerate the reaction of the compounds comprising reactive hydrogen atoms, more particularly hydroxyl groups, with the organic, optionally modified polyisocyanates, Compounds of this kind that are contemplated include organic metal compounds, preferably organic tin compounds, such as tin(ll} salts of organic carboxylic acids, e.g., tin(ll) acetate, tin(ll) octoate, tin{ll) ethylhexoate, and tin(ll) laurate, and the dialkyltin(IV} salts of organic carboxylic acids.
Suitable examples include dibutyltin diacetate, dibutyltin dilaurate, dibutyltin maleate, and dioctyitin diacetate. The organic metal compounds are used alone or, preferably, in combination with strongly basic amines. Examples that may be mentioned include amidine, such as 2,3- dimethyi-3,4,5,6-tetrahydropyrimidine, tertiary amines, such as dimethyicyclohexylamine, triethylenediamine, triethylamine, tributylamine, dimethylbenzylamine, N-methyl-, N-ethyi-, N- cyciohexylmorpholineg, N,N,N’, N'-tetramethylethylenediamine, N,N,N’,N'- tetramethylbutanediamine, N,N,N',N'-tetramethylhexane-1,6-diamine, pentamethyldiethylenetriamine, tetramethyldiaminoethyl ether, bis(dimethylaminopropyliurea, dimethylpiperazine, 1,2-dimethylimidazole, 1-azabicyclo[3.3.0}octane, and, preferably, 1,4- diazabicycio[2.2.2]octane, and aminoalkanol compounds, such as triethanolamine, triisopropanolamine, N-methyi- and N-ethyl-diethanolamine, and dimethylethanolamine.
Further catalysts contemplated include the following: tris(dialkylaminoaikyl)-s- hexahydrotriazines, more particularly tris(N,N-dimethylaminopropyl)-s-hexahydrotriazine, {etraalkylammonium hydroxides, such as tetramethylammonium hydroxide, alkali metal hydroxide, such as sodium hydroxide, and alkali metal alkoxides, such as sodium methoxide 40 and potassium isopropoxide, and also alkali metal salts of long-chain fatty acids having 10 to 20
C atoms and optionally pendant OH groups.
It is preferred to use 0.001% to 5% by weight, more particularly 0.05 to 2% by weight, of catalyst or catalyst combination, based on the weight of the synthesis components.
The reaction mixture for the inventive preparation of the polyurethanes may optionally be further admixed with other auxiliaries and/or additives (e). Examples that may be mentioned include flame retardants, stabilizers, fillers, dyes, pigments, and hydrolysis inhibitors, and also substances having a fungistatic and bacteriostatic activity.
Examples of suitable flame retardants include tricresyl phosphate, tris(2-chloroethyl)phosphate, fris(2-chioropropyl) phosphate, tetrakis{2-chloroethyl) ethylenediphosphate, dimethyl methane- phosphonate, diethyl diethanolaminomethylphosphonate, and also commercial halogenated and halogen-free flame retardants. Besides the halogen-substituted phosphates already identified, use may aiso be made of organic or inorganic flame retardants, such as red phosphorus, aluminum oxide hydrate, antimony trioxide, arsenic oxide, ammonium polyphosphate, and calcium sulfate, expanded graphite or cyanuric acid derivatives, such as melamine, for example, or mixtures of at least two flame retardants, such as, for example, ammonium polyphosphates and melamine, and also, optionally, corn starch, or ammonium polyphosphate, melamine, and -expanded graphite, and/or optionally aromatic polyester for providing the polyisocyanate polyaddition products with flame retardancy. Particularly effective in this context are found fo be additions of melamine. Generally speaking, it has been found useful to use 5% to 50% by weight, preferably 5% to 30% by weight, of the stated flame retardants for 100% by weight in each case of the other components employed.
Stabilizers used are, in particular, surface-active substances, in other words compounds which act to support the homogenization of the starting materials and which, optionally, are also suitable for regulating the cell structure of the polyurethane. Examples that may be mentioned include emulsifiers, such as the sodium salts of castor oil sulfates or fatty acids, and also salts of fatty acids with amines, e.g., diethylamine oleate, diethanolamine stearate, diethanolamine ricinoleate, and salts of sulfonic acids, e.g., alkali metal salts or ammonium salts of dodecylbenzene- or dinaphthylmethane-disulfonic acid and ricinoleic acid; foam stabilizers, such as siloxane-oxalkylene copolymers and other organopolysiloxanes, oxethylated alkylphenols, oxethylated fatty alcohols, liquid paraffins, castor oil esters and ricinoleic esters, turkey red oil and peanut cil, and cell regulators, such as paraffins, fatty alcohols, and dimethylpolysiloxanes. Stabilizers employed are predominantly organopolysiloxanes which are water-soluble. These are polydimethylsiioxane radicals grafted to which there is a polyether chain comprising ethylene oxide and propylene oxide. The surface-active substances are used typically in amounts of 0.01% to 5% by weight, based on 100% by weight of the other components employed. 40 Fillers, more particularly reinforcing fillers, are the conventional, typical organic and inorganic fillers, reinforcing agents, weighting agents, agents for improving abrasion performance in paints, coating materials, etc. Specifically, mention may be made, by way of example, of the following: inorganic fillers, such as silicatic minerals, examples being phyllosilicates, such as antigorite, serpentine, horn blends, amphibole, chrysotile, and talc, metal oxides, such as kaolin, aluminum oxides, titanium oxides, and iron oxides, metal salts, such as chalk, heavy spar, and inorganic pigments, such as cadmium sulfide and zine sulfide, and also glass, etc. Preference is given to using kaolin (China clay), aluminum silicate, and coprecipitates of barium sulfate and aluminum silicate, and also natural and synthetic minerals in fiber form, such as wollastonite, metal fibers and more particularly glass fibers in different lengths, these fibers possibly and optionally being sized. Examples of organic fillers contemplated are the following: charcoal, rosin, cyclopentadienyl resins, and graft polymers, and also celivlosic fibers, polyamide fibers, polyacrylonitrile fibers, polyurethane fibers, and polyester fibers that are based on aromatic and/or aliphatic dicarboxylic esters, and more particularly carbon fibers. The organic and inorganic fillers may be used individually or as mixtures and are inserted into the reaction mixture advantageously in amounts of 0.5% to 50% by weight, preferably 1% to 40% by weight, based on the weight of the other components employed, although the natural and synthetic fiber content of mats, webs, and fabrics may reach levels of up te 80% by weight.
Further details on the other customary auxiliaries and adjuvants identified above, and also on blowing agents, surfactants, and catalysts, can be found in the literature of the art, as for example in the monograph by J. H. Saunders and K. C. Frisch "High Polymers”, Volume XVI, "Polyurethanes", parts 1 and 2, Interscience Publishers 1962 and 1964, in the above-cited
Kunststoffhandbuch, "Polyurethane", Volume VII, Hanser-Verlag Munich, Vienna, editions 1 to 3, or The Polyurethanes book, Randall and Lee, Eds, Wiley, 2002.
The polyurethane materials of the invention are produced by the one-shot or prepolymer process, using low-pressure or high-pressure technology.
Where foams are concerned, the foams may be produced as slabsiock foam or as molded foam. Where compact materials are concerned, a variety of casting techniques may be employed. These procedures are described in The Polyurethanes book, Randall and Lee, Eds,
Wiley, 2002, for example.
The possible uses of the polyols of the invention for polyurethane components are very diverse, since there are numerous applications where enhanced water repellency is an advantage.
The polyols of the invention may be used, for example, in foamed or compact PU materials. A principle field of application for the polyols of the invention is in the sectors of coatings, adhesives, sealants, and elastomers. The field of application of elastomers is very broad - reference here is to thermoplastic polyurethanes (TPUs), microcellular elastomers, casting elastomers, RIM elastomers, spraying elastomers, elastomeric coatings, and "millable gums".
Examples of microcellular elastomers are integral foams, footwear soles, and ancillary springs 40 for the automobile industry (Cellasto®, BASF SE). Spraying elastomers are used primarily in coating applications. The polyois of the invention may be used, furthermore, for producing flexible foams, semi-rigid foams, and carpeting foams, and also, for example, in packaging foams, rigid foams, RIM parts such as automobile bumpers and other automobile exterior parts, for example, and synthetic leather.
The polyols of the invention may be used as described above for preparing prepolymers by reaction with diisocyanates. Hence the polyols of the invention may be used, for preparing polyurethane materials, not only by direct use in the A component of the formulations, but also in the form of a prepolymer. In this connection if should be mentioned that the prepolymer fraction in the prepolymer-polyol mixture may amount to between 10% to 90%. These prepolymer-polyol mixtures are used, for example, when the polyols of the invention are employed in moisture-curing one-component systems, such as for coating, adhesive, and sealing materials, for example.
Accordingly, polyurethanes obtainable from a polyel of the invention are also provided as a further subject of the present invention.
Below, a number of examples are given for illustrating the invention. The examples are by no means restrictive on the scope of the invention, but instead should be understood merely as illustrative examples.
Lupranol® 1200 is a difunctional polyetherol from BASF Polyurethanes GmbH, having a hydroxyl number of 250 mg KOH/g to DIN 53240.
Lupranol® 1100 is a difunciional polyetherol from BASF Polyurethanes GmbH, having a hydroxyl number of 105 mg KOM/g to DIN 53240.
Pentasize 8 is a C18 alkenyisuccinic anhydride from Trigon GmbH.
Glissopal® SA is a poly(isobutylene)succinic anhydride with molecular weight of 1000 g/mol {PIBSA 1000) from BASF SE.
Sovermo!® 908 is a fat-based dimer dicl from Cognis GmbH.
For synthesis example 6, castor oil was used from Alberdingk & Boley GmbH, with the designation Albodry castor oil Pharma DAB Spezial (Hydroxyl number = 165 mg KOH/g to DIN 53240).
Synthesis example 1 40 634 g of Lupranol® 1200, 1345 g of Pentasize 8, and 20.5 g of a DMC catalyst suspension (5.4% in Lupranol® 1100) are charged to a 5L reactor and inertized three times with nitrogen, and the starter compounds mixture is dried at 130°C under reduced pressure (15 mbar) for 60 minutes. Then, at 130°C, first 200 g of propylene oxide are metered info the reaction mixture.
Following activation of the catalyst, which is manifested in a drop in pressure in combination with the release of heat, a further 2360 g of propylene oxide are metered in to the reaction mixture over the course of 120 minutes. When the metering is at an end, there is a subsequent reaction until the pressure is constant. The reaction mixture is freed from the residual monomer under reduced pressure. This gives 4500 g of the polyetherester polyal of the invention, in the form of a viscous liquid.
Analysis:
Hydroxyl number = 39.9 mg KOH/g DIN 53240
Viscosity = 1603 mPas DIN 13421
Acid number = 1.01 mg KOH/g DIN 53402
Water value = 0.02% DIN 51777
Synthesis example 2 1017 g of Lupranol® 1200, 1356 g of Pentasize 8, and 20.8 g of a DMC catalyst suspension (5.4% in Lupranol® 1100) are charged to a SL reactor and inettized three times with nitrogen, and the starter compounds mixture is dried at 130°C under reduced pressure (15 mbar) for 60 minutes. Then, at 130°C, first 200 g of propylene oxide are metered into the reaction mixture.
Following activation of the catalyst, which is manifested in a drop in pressure in combination with the release of heat, a further 1948 g of propylene oxide are metered in to the reaction mixture over the course of 120 minutes. When the metering is at an end, there is a subsequent reaction until the pressure is constant. The reaction mixture is freed from the residual monomer under reduced pressure. This gives 4500 ¢ of the polyetherester polyol of the invention, in the form of a viscous liquid.
Analysis:
Hydroxyl number = 56.9 mg KOH/g DIN 53240
Viscosity = 931 mPas DIN 13421
Acid number = 0.93 mg KOH/g DIN 53402
Water value = 0.02% DIN 51777
Synthesis example 3
In a 5L steel autoclave, 785.4 g of Lupranol® 1200 are admixed with 1183.8 g of Pentasize 8 and the reaction mixture is heated at 150°C for 300 minutes. The resultant acid-functionalized intermediate (acid number = 107.3 mg KOH/g to DIN 53402} is subsequently reacted autocatalytically fo constant pressure with 659 g of propylene oxide at 150°C. 1822.1 g of the propylene oxide-capped intermediate obfained in this way (hydroxyl number = 80 mg KOH/g fo
DIN 53240 and acid number = 0.434 mg KOH/g to DIN 53402) are subsequently admixed with 17.1 g of a DMC catalyst suspension (5.4% in Lupranol® 1100). Then, at 130°C, first 200 g of propylene oxide are metered into the reaction mixture. Following activation of the catalyst, which is manifested in a drop in pressure in combination with the release of heat, the reaction 40 temperature is raised to 160°C and a further 1622.1 g of propylene oxide are metered in to the reaction mixture over the course of 150 minutes. When the metering is at an end, there is a subsequent reaction until the pressure is constant. The reaction mixture is freed from the residual monomer under reduced pressure. This gives 3500 g of the polyetherester polyol of the invention, in the form of a viscous liquid.
Analysis:
Hydroxyl number = 44.2 mg KOH/g DIN 53240
Viscosity = 1104 mPas DIN 13421
Acid number = 0.306 mg KOH/g DIN 53402
Water value = 0.02% DIN 51777
Synthesis example 4 846 g of Sovermol® 908, 1437 g of Pentasize 8, and 22.9 g of a DMC catalyst suspension (5.4% in Lupranol® 1100) are charged to a 5L reactor and inertized three times with nitrogen, and the starter compounds mixture is dried at 130°C under reduced pressure (15 mbar) for 60 minutes.
Then, at 130°C, first 200 g of propylene oxide are metered into the reaction mixture. Following activation of the catalyst, which is manifested in a drop in pressure in combination with the 16 release of heat, a further 2527 g of propylene oxide are metered in to the reaction mixture over the course of 120 minutes. When the metering is at an end, there is a subsequent reaction until the pressure is constant. The reaction mixture is freed from the residual monomer under reduced pressure. This gives 5000 g of the polyetherester polyol of the invention, in the form of a viscous liquid.
Analysis:
Hydroxy! number = 37.0 mg KOH/g DIN 53240
Viscosity = 1678 mPas DIN 13421
Acid number = 0.68 mg KOH/g DIN 53402
Water value = 0.01% DIN 51777
Synthesis example 5 902 g of Lupranoi® 1200, 1202 g of Glissopal® SA, and 18.5 g of a DMC catalyst suspension {5.4% in Lupranoi® 1100) are charged to a 5L reactor and inertized three times with nitrogen, and the starter compounds mixture is dried at 130°C under reduced pressure (15 mbar) for 60 minutes. Then, at 130°C, first 200 g of propylene oxide are metered into the reaction mixture.
Following activation of the catalyst, which is manifested in a drop in pressure in combination with the release of heat, a further 1704 g of propylene oxide are metered in fo the reaction mixture over the course of 120 minutes. When the metering is at an end, there is a subsequent reaction uniil the pressure is constant. The reaction mixture is freed from the residual monomer under reduced pressure. This gives 4000 g of the polyetherester peiyol of the invention, in the form of a viscous liquid.
Analysis:
Hydroxyl number = 61.3 mg KOH/g DIN 53240
Viscosity = 1876 mPas DIN 13421 40 Acid number = 1.45 mg KOH/g DIN 53402
Water vaiue = 0.01% DIN 51777
Synthesis example 6
1505 g of castor oil, 777 g of Pentasize 8, and 22.7 g of a DMC catalyst suspension (5.4% in
Lupranol® 1100) are charged to a 5L reactor and inertized three times with nitrogen, and the starter compounds mixture is dried at 130°C under reduced pressure (15 mbar) for 60 minutes.
Then, at 130°C, first 200 g of propylene oxide are metered into the reaction mixture. Following activation of the catalyst, which is manifested in a drop in pressure in combination with the release of heat, a further 2485 g of propylene oxide are metered in to the reaction mixture over the course of 120 minutes. When the metering is at an end, there is a subsequent reaction until the pressure is constant. The reaction mixture is freed from the residual monomer under reduced pressure. This gives 4800 g of the polyetherester polyol of the invention, in the form of a viscous liquid.
Analysis:
Hydroxy! number = 47.0 mg KOH/g DIN 53240
Viscosity = 1358 mPas DIN 13421
Acid number = 0.04 mg KOH/g DIN 53402
Water value = 0.03% DIN 51777
Synthesis example 7 790 g of Lupranol® 1200, 1249 g of Pentasize 8, and 20.0 g of a DMC catalyst suspension (5.47% in Lupranol® 1100) are charged fo a 5L reactor and inertized three times with nitrogen, and the starter compounds mixture is dried at 130°C under reduced pressure (15 mbar) for 60 minutes. Then, at 130°C, first 200 g of propylene oxide are metered into the reaction mixture.
Following activation of the catalyst, which is manifested in a drop in pressure in combination with the release of heat, a further 2170 g of propylene oxide are metered in to the reaction mixture over the course of 120 minutes. When the metering is at an end, there is a subsequent reaction until the pressure is constant. The reaction mixture is freed from the residual monomer under reduced pressure. This gives 4400 g of a polyetherester polyol, in the form of a viscous liguid.
Analysis:
Hydroxyl number = 48.9 mg KOH/g DIN 53240
Acid number = 0.66 mg KOH/g DIN 53402
Water value = 0.01% DIN 51777
Synthesis example 8 892 g of Lupranol® 1200, 1411 g of Pentasize 8, and 0.5 g of fitanium(lV) terl-butoxide and also 22.8 g of a DMC catalyst suspension (5.47% in Lupranol® 1100) are charged to a 51 reactor and inertized three times with nitrogen, and the starter compounds mixture is dried at 130°C under reduced pressure (15 mbar) for 60 minutes. Then, at 130°C, first 200 g of propylene oxide are metered into the reaction mixture. Following activation of the catalyst, which is manifested in a drop in pressure in combination with the release of heat, a further 2479 g of 40 propylene oxide are metered in to the reaction mixture over the course of 120 minutes. When the metering is at an end, there is a subsequent reaction until the pressure is constant. The reaction mixture is freed from the residual monomer under reduced pressure. This gives 4900 g of a polyetherester polyol, in the form of a viscous liquid.
Analysis:
Hydroxyl number = 51.2 mg KCH/g DIN 53240
Viscosity = 873 mPas DIN 13421
Acid number = 0.27 mg KOH/g DIN 53402
Water value = 0.016% DIN 51777
Synthesis counterexample A: 915.3 g of Lupranol® 1200, 605 g of phthalic anhydride, and also 31.0 g of a DMC catalyst suspension (5.47% in Lupranol® 1100) are charged to a 5L reactor and inertized three times with nitrogen, and the starter compounds mixture is dried at 130°C under reduced pressure (15 mbar) for 80 minutes. Then, at 130°C, first 200 g of propylene oxide are metered into the reaction mixture. Following activation of the catalyst, which is manifested in a drop in pressure in combination with the release of heat, a further 3296.3 g of propylene oxide are metered in to the reaction mixture over the course of 120 minutes. When the metering is at an end, there is a subsequent reaction until the pressure is constant. The reaction mixture is freed from the residual monomer under reduced pressure. This gives 5000 g of a polyetheresier polyol, in the form of a viscous liquid.
Analysis:
Hydroxyl number = 46.1 mg KOH/g DIN 53240
Viscosity = 1313 mPas DIN 13421
Synthesis counterexample B: 617.8 g of Lupranol® 3300, 481.3 g of phthalic anhydride, and also 23.1 g of a DMC catalyst suspension {5.47% in Lupranol® 1100) are charged to a 5L reactor and inertized three times with nitrogen, and the starter compounds mixture is dried at 130°C under reduced pressure (15 mbar) for 60 minutes. Then, at 130°C, first 200 g of propylene oxide are metered into the reaction mixture. Following activation of the catalyst, which is manifested in a drop in pressure in combination with the release of heat, a further 3512.5 g of propylene oxide are metered in fo the reaction mixture over the course of 120 minutes. When the metering is at an end, there is a subsequent reaction until the pressure is constant. The reaction mixture is freed from the residual manomer under reduced pressure. This gives 4800 g of a polyetherester polyol, in the - form of a viscous liquid.
Analysis:
Hydroxyl number = 52.7 mg KOH/g DIN 53240
Viscosity = 1594 mPas DIN 13421
Acid number = 0.11 mg KOH/g DIN 53402
Synthesis counterexample C: 1740.0 g of Pentasize 8, 961.3 g of tripropylene glycol, and 0.2 g of dibutyltin dilaurate (DBTL) 40 are weighed out at room temperature into a 4L. four-neck flask fitted with a distillation bridge.
The reaction mixture is subsequently heated at 185°C for 14 hours under 450 mbar, After the end of reaction, the reaction mixture is cooled and the reaction product is analyzed.
Analysis:
Hydroxyl number: 56 mg KOH/g DIN 53240
Acid number: 54 mg KOH/g DIN 53402
Production of test specimens
Materials for producing the test specimens:
Byk 080 defoamer from Byk, Wesel
Thorcat 535 mercury catalyst from Thor Chemie, Speyer 1,4-bufanediol chain extender from BASF, Ludwigshafen :
DPG dipropylene glycol from BASF, Ludwigshafen
Dabco 33LV amine catalyst, Air Products
Zeolite paste K-Ca-Na-zeolite A in castor oil
Isocyanate 1 A mixture of Lupranat® MP102 and Lupranai® MM103, from BASF,
Ludwigshafen, in a weight ratio of 1/1. Lupranat® MP102 is a prepolymer based on 4,4'-MDI and a glycol mixture, and has an NCO value of 23.0%. Lupranat® MM103 is a carbodiimide- modified 4,4'-MDI! and has an NCQ value of 29.5%. The mixture has an NCO value of 26.2%.
Isocyanate 2 Lupranat® MP102
The reaction components and additives are stored and processed at room temperature. The polyol component {component A; see tables) is made up and then left to stand for around 20 minutes. The amount of isocyanate added is calculated such that the index is 99.9 or 105.
Component A is stirred with the isocyanate in a Speed Mixer for 60 seconds. The mixture is poured into a heated, open mold with dimensions of 15*20*0.6 cm3. The mold temperature is 70°C. The resultant sheet remains in the hot mold for half an hour, after which it is taken from the mold. The sheets are subsequently conditioned at 80°C for four hours. The samples are stored at room temperature for a day and then split to 2 mm and tested for mechanical properties.
Swelling test:
A section with dimensions of 4x4 cm? is cut from the 2 mm sheet, and its mass is ascertained.
The sample is then placed in a 2.51. glass vessel filled with water, the vessel spending 5 hours ina heating cabinet at 100°C. in order to prevent the sample rising, a mesh is used. When the glass vessel has been removed from the heating cabinet, the sample is removed and is dried off gently with filter paper. When the sample is cooled to room temperature, its mass is ascertained and from these figures a calculation is made of the degree of swelling, in percent {{m2- m1)/m1)x100%)). The measurement error is below 0.1%, differences in the measured values of 40 0.2% are significant.
Application examples 1-5:
The inventive polyols of synthesis examples 1 to 5 all have a functionality of 2. They were processed as described above to form polyurethane elastomer sheets.
The degrees of swelling (table 1) are in all cases below 1.2%.
Table 1. [ applicatienex. [1 [a 1 2 13 Ta 5] rh rr
Tonoliomeyninessex. 1 | | paws {es | — | 1 "7 [Polvolfromsynihesisex.2 | | pats | | es 1 1 [“Polvol from synthesisex.d | | peas | J gs 1 1
Boiolfromsvnthesls ex d | | pats [| 1 95 "] [Pohol fromsyntheslsex 5 | 1 pate | [| 1 — "85
Thowsts3 | 1 pads | __ © | ov 1 og ov | or ———®mvkoso | | pens _ | ©8 |} 6a | os 1 0s [a3 iaButanesiar |__| oats | a0 | __ag | 40 [40 | 40 _ i
I Teocyanale3 _ |odex=ese {| [| TT yr tr Smmohest | Swendaed | (| — 1
Density |iIB01163-1,A | _oemra | 1068 | 4071 | oea | A06ai | toss
Choro hardness |DINB3s05 | Mpa | ___ 51 | 48 | 55} 8a 43
Tense swength ___|DINS3s0a J MPa | 6 [vy {a | BI &___ Tionationatbresk |DINS3s04 | % | 400 | @ag [ _ss6 | @o0 1 Bho [ Deoresofsweling |. ~~ iwidingesse] 08 _ { 10 16 | da | 12
Application example 6:
The polyol from synthesis example 6 has a functionality of 3. It was processed as described above to form a polyurethane elastomer sheet. The degree of swelling (table 2) is not more than 1.6%.
Table 2:
Application ex. 6 :
Tums
Polyol from synthesis example 6 parts 100
Dabo 33 LV [oats | 08
K-Ca-Na-Zeolite A in castor oil parts 5.0 index =
Isocyanate 2 105
Shore Aardness | Wea | a4
Tenslesiongh | MPa | 20
Elongation at break 1.064 wit. %
Degree of swelling increase 1.6
Application examples 7-8:
The inventive polyols from synthesis examples 7 and 8 have a functionality of 2. They were processed as described above to form polyurethane elastomer sheets. The degrees of swelling (table 3) shows that the polyurethane based on the polyetherester polyol prepared in the presence of Lewis acid catalyst is significantly more hydrophobic by comparison with polyurethane based on the polyetherester polyol prepared without Lewis acid catalyst.
Table 3: rrr
Application example ~~ [~~ | 7 [| 8 rrr we
Pool rom syn ox 7 | pats | 50
Polyol from synth ex 8 | pats | | 5 lsocyanate | | index=908 | Index=999 rr
I EE I
Shorehardness | MPa | 49 | 45
Tensiestrength ~~~ [MPa | 7 | 8
Degrecofsweling ~~ [ wtincrease | 14 [| 08
Application counterexamples A and B:
The polyol from synthesis counterexample A has a functionality of 2, the polyol from synthesis counterexample B a functionality of 3. These polyols were processed in the corresponding systems to give polyurethane elastomer sheets. The swelling (table 4) in water of samples A and B is significantly poorer than that of samples 1-3.
Table 4: Application counterexamples:
Application comtersample |__| A |B
Tes
Polyol from synthesis counterexample A parts
Polyol from synthesis counterexample B parts 100
Pe | eas [| a0
Daboo 33 LV ees | | os
KCaNaZeolte Ancastorol | pats | | 50
Troreat 535 pes | 07
BYK-080 as [0s 1 4-Butanedio pas | 40 isooyaale | [dees isocyanate 2 [nae
Degres of swelling
Counterexample C:
It was not possible to produce a bubble-free sheet from the polyol from synthesis counterexample C. The formation of bubbles is a consequence of the high acid number.
From the experimental results, therefore, it is apparent that it is possible to prepare polyether- ester polyols which, when used in the production of a polyurethane, produce a significant enhancement of the hydrophobic properties of the polyurethane.
Claims (19)
1. A polyetherester polyol having an acid number of less than 20 mg KOH/g and a composi- ion as follows: Y-{O-[CH2-CHR1-O]n-{[C(O})-CHR2-CHR3-X-0-13-[CHz-CHR5-O}n}-[CH2-CHRA-O) Hs, where e m,n and z are each integers, with m being situated in the range 0-10, nin the range 1-20, and z in the range of 1-50, and where » Xs selected from =CO or—(CHz)e-, where o is an integer and is in the range of 0-10, and where s Ys the hydrocarbon radical of a polyhydroxy-functional polyol having a functionality of 1.5 - 8 and an equivalent weight of 100 to 1000, and where + R1 is selected from the group encompassing -H; -(CHz)p-CHa; -aryl; -cycloalkyl, where p is an integer and is in the range of 0-22, and where + R2is selected from the group encompassing hydrogen and the aliphatic hydrocar- bons having 5 to 150 carbon atoms . R3 is selected from the group encompassing hydrogen and the aliphatic hydrocar- bons having 5 to 150 carbon atoms, and at least one of the two radicals RZ and R3 is not hydrogen, and where * R4is selected from the group encompassing -H; -(CHz),-CHs; -aryl; -cycloaikyl, where p is an integer and is in the range of 0-22, and where e R5is selected from the group encompassing -H; -(CHz),-CHs; -aryl; -cycioatkyl, where p is an integer and is in the range of 0-22, and where + gis an integer in the range from 1 to 10, ris an integer in the range from 1 to 10, and s is an integer in the range from 1 io 10.
2. The polyol according to claim 1, where Xis a carbonyl unit.
3. The polyol according to either of claims 1 and 2, where m is in the range 1 to 5.
4. The polyol according fo any of claims 1 to 3, where n is in the range 1 to 10.
5. The polyol according to any of claims 1 to 4, where z is in the range 1 to 30.
6. The polyol according to any of the preceding claims, where R1, R4, and R5 each inde- pendently of one another are selected from the group encompassing -H and ~(CHz)p-CHs where p = 0.
7. The polyol according to any of the preceding claims, where at least one of the two radi- 40 cals R2 and R3 is an aliphatic hydrocarbon having 16 to 22 or £0 to 70 carbon atoms.
8. The polyol according to any of the preceding claims, where o is in the range from 1 fo 5, preferably 1 to 3, and/or q is in the range from 1 to 5.
9. The polyol according to any of the preceding claims, where r is in the range from 1 to 5 and/or R4 is selected from the group consisting of H and -(CHz)p-CHs where p= 0.
10. The polyol according to any of the preceding claims, where Y is the hydrocarbon radical of a polyhydroxy-functional polyol having a functionality of 1.5 to 4.
11. A process for preparing a polyetherester polyol according to any of claims 1 to 10 by cata- lyzed reaction of at least one alkylene oxide with at least one H-functional starter com- pound in the presence of at least one alkyl-chain-substituted acid anhydride and/or alkyl- chain-substituted lactone.
12. The process for preparing a polyetherester polyol according to claim 11, where the H- functional starter compound is selected from the group encompassing alkylene oxide ad- ducts of polyfunctional alcohols.
13. The process for preparing a polyetherester polyol according to claim 11 or 12, where a DMC catalyst is used.
14. The process for preparing a polyetherester polyol according to claim 13, where further to the DMC catalyst a co-catalyst compound is used which catalyzes esterification and/or transesterification reactions.
15. The process for preparing a polyetherester polyol according to any of claims 11 fo 14, where an alkyl-chain-substituted acid anhydride is used.
16. The process for preparing a polyetherester polyol according to claim 15, where the alkyi- chain-substituted acid anhydride is selected from the group encompassing alkylsuccinic anhydrides having 16 or 18 carbon atoms, polyisobutene-substituted succinic anhydride, and mixtures thereof.
17. The process for preparing a polyetherester polyol according to any of claims 11 to 16, where the alkylene oxide is selected from the group encompassing butylene oxide, pro- pylene oxide, and ethylene oxide.
18. A process for producing polyurethane materials, wherein a} organic polyisocyanates are mixed to a reaction mixture with b1) polyetherester polyols according to any of claims 1- 10, optionally b2) further polyols, and also chain extenders and/or crosslinking agents, ¢) blowing agents, d) catalysts, and optionally e) auxiliaries and additives, and this reaction 40 mixture is reacted, the polyols (b2) being selected from the group encompassing polyetherols (b2i), polyesterols (b2ii), polycarbonate polyols (b2iii} and polyacrylate polyols (b2iv).
19. The use of a polyetherester polyol according to any of claims 1 to 10 for producing polyu- rethane materials.
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EP10190487 | 2010-11-09 | ||
PCT/EP2011/069490 WO2012062683A1 (en) | 2010-11-09 | 2011-11-07 | Polyetherester polyols |
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Application Number | Title | Priority Date | Filing Date |
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SG2013034129A SG190135A1 (en) | 2010-11-09 | 2011-11-07 | Polyetherester polyols |
Country Status (7)
Country | Link |
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EP (1) | EP2638095B1 (en) |
KR (1) | KR101835913B1 (en) |
CN (1) | CN103314031B (en) |
BR (1) | BR112013011286A2 (en) |
ES (1) | ES2501515T3 (en) |
SG (1) | SG190135A1 (en) |
WO (1) | WO2012062683A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3184574A1 (en) * | 2015-12-21 | 2017-06-28 | Covestro LLC | Polyether carbonates by dmc catalysis |
US10787550B2 (en) | 2014-06-26 | 2020-09-29 | Covestro Deutschland Ag | Composite components on the basis of hydrophobic polyols |
Families Citing this family (9)
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EP2617748A1 (en) * | 2012-01-23 | 2013-07-24 | Basf Se | Polyether ester polyols and method for their manufacture |
CN105732967A (en) * | 2016-03-07 | 2016-07-06 | 美瑞新材料股份有限公司 | Method for preparing thermoplastic copolyester elastomer by using chain extension method |
CN108219100A (en) * | 2017-12-21 | 2018-06-29 | 苏州浩洋聚氨酯科技有限公司 | A kind of sealing material based on polyurethane foam |
KR102589022B1 (en) * | 2017-12-25 | 2023-10-17 | 다우 글로벌 테크놀로지스 엘엘씨 | Modified oil-soluble polyalkylene glycol |
CN109851743A (en) * | 2018-12-18 | 2019-06-07 | 山东一诺威聚氨酯股份有限公司 | Water absorption resistance polyurethane sport knee-pad combination material and preparation method thereof |
CN110128639A (en) * | 2019-04-18 | 2019-08-16 | 唐靖 | A kind of thermoplastic polyester elastomer foaming precursor and foaming body |
CN110156972A (en) * | 2019-04-18 | 2019-08-23 | 唐靖 | A kind of thermoplastic polyester elastomer and foaming body |
CN112778469A (en) * | 2021-01-27 | 2021-05-11 | 江苏钟山化工有限公司 | Preparation method and application of degradable polyether ester polymer polyol for shoe materials |
CN113185679B (en) * | 2021-05-27 | 2022-02-08 | 天津大学 | Preparation method of polyether ester |
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US3829505A (en) | 1970-02-24 | 1974-08-13 | Gen Tire & Rubber Co | Polyethers and method for making the same |
US3662024A (en) | 1970-11-24 | 1972-05-09 | Gen Tire & Rubber Co | Unsaturated polyester resin formation in unsaturated ester monomer as solvent |
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DE3613875A1 (en) * | 1986-04-24 | 1987-10-29 | Basf Ag | METHOD FOR PRODUCING POLYESTER POLYOLS |
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US5712216A (en) | 1995-05-15 | 1998-01-27 | Arco Chemical Technology, L.P. | Highly active double metal cyanide complex catalysts |
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DE19905611A1 (en) | 1999-02-11 | 2000-08-17 | Bayer Ag | Double metal cyanide catalysts for the production of polyether polyols |
JP4145123B2 (en) | 2002-11-18 | 2008-09-03 | 株式会社オンダ製作所 | Fitting |
US9133297B2 (en) * | 2003-11-17 | 2015-09-15 | Allnex Ip S.À.R.L. | Ultraviolet-curable polyols and polyurethane compositions made therefrom |
-
2011
- 2011-11-07 EP EP11782405.2A patent/EP2638095B1/en active Active
- 2011-11-07 CN CN201180064569.9A patent/CN103314031B/en active Active
- 2011-11-07 WO PCT/EP2011/069490 patent/WO2012062683A1/en active Application Filing
- 2011-11-07 ES ES11782405.2T patent/ES2501515T3/en active Active
- 2011-11-07 BR BR112013011286A patent/BR112013011286A2/en not_active IP Right Cessation
- 2011-11-07 KR KR1020137014505A patent/KR101835913B1/en not_active Application Discontinuation
- 2011-11-07 SG SG2013034129A patent/SG190135A1/en unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10787550B2 (en) | 2014-06-26 | 2020-09-29 | Covestro Deutschland Ag | Composite components on the basis of hydrophobic polyols |
EP3184574A1 (en) * | 2015-12-21 | 2017-06-28 | Covestro LLC | Polyether carbonates by dmc catalysis |
Also Published As
Publication number | Publication date |
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EP2638095A1 (en) | 2013-09-18 |
KR101835913B1 (en) | 2018-03-07 |
BR112013011286A2 (en) | 2016-11-01 |
KR20140009234A (en) | 2014-01-22 |
EP2638095B1 (en) | 2014-07-09 |
CN103314031A (en) | 2013-09-18 |
ES2501515T3 (en) | 2014-10-02 |
CN103314031B (en) | 2014-12-31 |
WO2012062683A1 (en) | 2012-05-18 |
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