EP4041512A1 - Vorrichtung zur vermischung reaktiver komponenten - Google Patents
Vorrichtung zur vermischung reaktiver komponentenInfo
- Publication number
- EP4041512A1 EP4041512A1 EP20780729.8A EP20780729A EP4041512A1 EP 4041512 A1 EP4041512 A1 EP 4041512A1 EP 20780729 A EP20780729 A EP 20780729A EP 4041512 A1 EP4041512 A1 EP 4041512A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- acid
- rpm
- mixing
- screw shafts
- speed
- 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.)
- Pending
Links
- 238000002156 mixing Methods 0.000 title claims abstract description 55
- 229920005830 Polyurethane Foam Polymers 0.000 claims abstract description 17
- 239000011496 polyurethane foam Substances 0.000 claims abstract description 17
- -1 furniture upholstery Substances 0.000 claims description 40
- 238000004519 manufacturing process Methods 0.000 claims description 20
- 239000012948 isocyanate Substances 0.000 claims description 16
- 150000002513 isocyanates Chemical class 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 13
- 239000003063 flame retardant Substances 0.000 claims description 7
- 239000000654 additive Substances 0.000 claims description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- 239000003380 propellant Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims description 2
- 239000004753 textile Substances 0.000 claims description 2
- 238000010924 continuous production Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract 1
- 229920005862 polyol Polymers 0.000 description 30
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 28
- 150000003077 polyols Chemical class 0.000 description 27
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 18
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 16
- 150000001875 compounds Chemical class 0.000 description 16
- 239000000203 mixture Substances 0.000 description 16
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 15
- 229910052757 nitrogen Inorganic materials 0.000 description 14
- 150000002009 diols Chemical class 0.000 description 13
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 12
- 239000007858 starting material Substances 0.000 description 12
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 10
- 229910052783 alkali metal Inorganic materials 0.000 description 9
- 239000003054 catalyst Substances 0.000 description 9
- 235000014113 dietary fatty acids Nutrition 0.000 description 9
- 239000000194 fatty acid Substances 0.000 description 9
- 229930195729 fatty acid Natural products 0.000 description 9
- 239000003921 oil Substances 0.000 description 9
- 235000019198 oils Nutrition 0.000 description 9
- 229920000515 polycarbonate Polymers 0.000 description 9
- 239000004417 polycarbonate Substances 0.000 description 9
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 8
- 239000002253 acid Substances 0.000 description 8
- 125000004432 carbon atom Chemical group C* 0.000 description 8
- 150000004665 fatty acids Chemical class 0.000 description 8
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 8
- 229920000570 polyether Polymers 0.000 description 8
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 8
- 239000004721 Polyphenylene oxide Substances 0.000 description 7
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 7
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 7
- 239000005056 polyisocyanate Substances 0.000 description 7
- 229920001228 polyisocyanate Polymers 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- 239000004604 Blowing Agent Substances 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 6
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 6
- 150000001298 alcohols Chemical class 0.000 description 6
- 125000002947 alkylene group Chemical group 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- 235000011187 glycerol Nutrition 0.000 description 6
- 150000002894 organic compounds Chemical class 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 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 5
- 150000007513 acids Chemical class 0.000 description 5
- 239000001361 adipic acid Substances 0.000 description 5
- 235000011037 adipic acid Nutrition 0.000 description 5
- 150000001735 carboxylic acids Chemical class 0.000 description 5
- 239000006260 foam Substances 0.000 description 5
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 5
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 5
- 229920005906 polyester polyol Polymers 0.000 description 5
- 229920000582 polyisocyanurate Polymers 0.000 description 5
- WBHHMMIMDMUBKC-QJWNTBNXSA-N ricinoleic acid Chemical compound CCCCCC[C@@H](O)C\C=C/CCCCCCCC(O)=O WBHHMMIMDMUBKC-QJWNTBNXSA-N 0.000 description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 5
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 description 4
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 4
- 229940035437 1,3-propanediol Drugs 0.000 description 4
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 4
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 4
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 4
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 4
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 150000001991 dicarboxylic acids Chemical class 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 4
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 4
- 229910052751 metal Chemical class 0.000 description 4
- 239000002184 metal Chemical class 0.000 description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 4
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 4
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- 229960003656 ricinoleic acid Drugs 0.000 description 4
- FEUQNCSVHBHROZ-UHFFFAOYSA-N ricinoleic acid Natural products CCCCCCC(O[Si](C)(C)C)CC=CCCCCCCCC(=O)OC FEUQNCSVHBHROZ-UHFFFAOYSA-N 0.000 description 4
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 description 4
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 4
- 229910052723 transition metal Inorganic materials 0.000 description 4
- ARCGXLSVLAOJQL-UHFFFAOYSA-N trimellitic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 3
- SJRJJKPEHAURKC-UHFFFAOYSA-N N-Methylmorpholine Chemical compound CN1CCOCC1 SJRJJKPEHAURKC-UHFFFAOYSA-N 0.000 description 3
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- ALQSHHUCVQOPAS-UHFFFAOYSA-N Pentane-1,5-diol Chemical compound OCCCCCO ALQSHHUCVQOPAS-UHFFFAOYSA-N 0.000 description 3
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical class [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000004359 castor oil Substances 0.000 description 3
- 235000019438 castor oil Nutrition 0.000 description 3
- 239000002666 chemical blowing agent Substances 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 229960002887 deanol Drugs 0.000 description 3
- 150000002170 ethers Chemical class 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 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 3
- 150000008282 halocarbons Chemical class 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 3
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 3
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 150000005846 sugar alcohols Polymers 0.000 description 3
- 150000003512 tertiary amines Chemical class 0.000 description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 3
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 3
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 3
- XMNDMAQKWSQVOV-UHFFFAOYSA-N (2-methylphenyl) diphenyl phosphate Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C=CC=CC=1)OC1=CC=CC=C1 XMNDMAQKWSQVOV-UHFFFAOYSA-N 0.000 description 2
- YWWVWXASSLXJHU-AATRIKPKSA-N (9E)-tetradecenoic acid Chemical compound CCCC\C=C\CCCCCCCC(O)=O YWWVWXASSLXJHU-AATRIKPKSA-N 0.000 description 2
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 2
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 2
- AATNZNJRDOVKDD-UHFFFAOYSA-N 1-[ethoxy(ethyl)phosphoryl]oxyethane Chemical compound CCOP(=O)(CC)OCC AATNZNJRDOVKDD-UHFFFAOYSA-N 0.000 description 2
- YWDFOLFVOVCBIU-UHFFFAOYSA-N 1-dimethoxyphosphorylpropane Chemical compound CCCP(=O)(OC)OC YWDFOLFVOVCBIU-UHFFFAOYSA-N 0.000 description 2
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 2
- GHPVDCPCKSNJDR-UHFFFAOYSA-N 2-hydroxydecanoic acid Chemical compound CCCCCCCCC(O)C(O)=O GHPVDCPCKSNJDR-UHFFFAOYSA-N 0.000 description 2
- WXUAQHNMJWJLTG-UHFFFAOYSA-N 2-methylbutanedioic acid Chemical compound OC(=O)C(C)CC(O)=O WXUAQHNMJWJLTG-UHFFFAOYSA-N 0.000 description 2
- QWGRWMMWNDWRQN-UHFFFAOYSA-N 2-methylpropane-1,3-diol Chemical compound OCC(C)CO QWGRWMMWNDWRQN-UHFFFAOYSA-N 0.000 description 2
- VPWNQTHUCYMVMZ-UHFFFAOYSA-N 4,4'-sulfonyldiphenol Chemical class C1=CC(O)=CC=C1S(=O)(=O)C1=CC=C(O)C=C1 VPWNQTHUCYMVMZ-UHFFFAOYSA-N 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- 229930185605 Bisphenol Natural products 0.000 description 2
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- XPDWGBQVDMORPB-UHFFFAOYSA-N Fluoroform Chemical compound FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- 239000005642 Oleic acid Substances 0.000 description 2
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 2
- 235000019483 Peanut oil Nutrition 0.000 description 2
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 2
- 235000019497 Pistachio oil Nutrition 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 2
- 235000011054 acetic acid Nutrition 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 2
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- MBMBGCFOFBJSGT-KUBAVDMBSA-N all-cis-docosa-4,7,10,13,16,19-hexaenoic acid Chemical compound CC\C=C/C\C=C/C\C=C/C\C=C/C\C=C/C\C=C/CCC(O)=O MBMBGCFOFBJSGT-KUBAVDMBSA-N 0.000 description 2
- 150000008064 anhydrides Chemical class 0.000 description 2
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000012975 dibutyltin dilaurate Substances 0.000 description 2
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 2
- RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical compound FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 description 2
- VONWDASPFIQPDY-UHFFFAOYSA-N dimethyl methylphosphonate Chemical compound COP(C)(=O)OC VONWDASPFIQPDY-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
- 239000012972 dimethylethanolamine 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
- 239000004872 foam stabilizing agent Substances 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- 239000001530 fumaric acid Substances 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 2
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
- B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
- B29B7/90—Fillers or reinforcements, e.g. fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
- B29B7/90—Fillers or reinforcements, e.g. fibres
- B29B7/92—Wood chips or wood fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/60—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material
- B29B7/603—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material in measured doses, e.g. proportioning of several materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
- B29C48/405—Intermeshing co-rotating screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
- B29C48/41—Intermeshing counter-rotating screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/625—Screws characterised by the ratio of the threaded length of the screw to its outside diameter [L/D ratio]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
-
- 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
- C08G2101/00—Manufacture of cellular products
Definitions
- the present invention relates to a device for mixing reactive components for the production of polyurethane foams, a method for the production of polyurethane foams and the use of these polyurethane foams.
- Polyurethane foams are obtained by reacting an isocyanate-reactive component with an isocyanate.
- the isocyanate-reactive component and the isocyanate are fed separately into a mixing chamber.
- the two components are mixed, for example, by countercurrent injection or by a mixing element, such as. B. a spiked stirrer.
- a mixing element such as. B. a spiked stirrer.
- the two components already react with one another and deposits form in the area of dead zones and walls. These deposits grow over time and it is necessary to remove them to prevent the mixing chamber from becoming blocked.
- cleaning plungers are used in countercurrent injection mixheads, for example, which limits the method with regard to the filler content of solid additives in the reaction mixture (EP2886280).
- DE 41 11 458 CI discloses a mixing chamber with a mixing screw as the mixing element, the mixing chamber and mixing screw being conical and the mixing screw rotating at a speed of 5000 to 10000 rpm.
- the disadvantage of this design is the complex structure and a necessary additional step for cleaning the mixing screw at high speeds in the range from 15,000 to 20,000 rpm.
- a device for mixing reactive components for the production of Polyurethane foams comprising a mixing chamber containing a mixing element, characterized in that two closely intermeshing screw shafts are used as the mixing element, which are suitable to rotate at a speed of more than 1200 rpm, the two rotating shafts intermeshing, rotating at the same speed and have the same dimensions with regard to their diameter of 10 mm to 80 mm in each case and with regard to their length from 3 to 20 times the respective diameter.
- Another component of the invention is a process for the production of polyurethane foams by mixing Al) isocyanate-reactive components,
- the process according to the invention is preferably a process which is carried out continuously.
- the screw shafts used as the mixing element of the device according to the invention rotate at a speed of more than 1200 rpm, preferably more than 1200 rpm to 25000 rpm, particularly preferably from 2000 rpm to 20,000 rpm and particularly preferably from 2500 rpm to 15000 rpm. Even more preferably, the screw shafts used as the mixing element rotate at a speed of more than 4000 rpm or more than 4200 rpm, most preferably at a speed of more than 4000 rpm to 15000 rpm or more than 4200 rpm / min to 15000 rpm.
- Two closely meshing screw shafts which are suitable for rotating at a speed of more than 4000 rpm or more than 4200 rpm are preferably used as the mixing element.
- the diameter of the individual rotating screw shaft is 10 mm to 80 mm, preferably 20 mm to 60 mm, particularly preferably 30 mm to 60 mm and the length of the individual rotating screw shaft is 3 to 20 times, preferably 5 to 15 times , particularly preferably 8 to 12 times the diameter.
- the mixing element preferably has a gap dimension in relation to the housing diameter of at least 1 ⁇ m / mm, particularly preferably of at least 2.5 ⁇ m / mm.
- the mixing element preferably has a gap dimension in relation to the housing diameter of at most 20 ⁇ m / mm.
- the speed and the dimensions of the rotating screw shafts are coordinated with one another in such a way that the mean residence time of the reactive components in the mixing chamber is less than 10 seconds, preferably from 0.01 to less than 10 seconds, more preferably less than 5 seconds, is particularly preferably less than 2 seconds.
- the determination of the mean residence time is familiar to the person skilled in the art and can be measured, for example, by adding a tracer.
- the reactive components can be fed into the mixing chamber in different ways.
- the material to be mixed is introduced into the mixing chamber from the outside via suitable openings. These can be nozzles, injection lances or just openings. All reactive components can be brought together before the mixing chamber and fed into the mixing chamber as a stream. This is then mixed in the mixing chamber.
- all reactive components can also be fed individually to the mixing chamber.
- the number of reactive components is not limited to two; it can also be three or more. Individual constituents of a usually premixed component can also be metered in individually; the mixing element then also takes over the mixing.
- the components to be mixed can be fed in at the same position of the mixing element viewed in the longitudinal direction (shaft direction or conveying direction). Then, of course, different positions in the circumferential direction must be selected, unless all components are fed together at one point.
- the components can, however, also be fed in at different positions in the longitudinal direction and, if desired, also in the circumferential direction. It is important that the desired mixing is achieved.
- the feed position can be selected, for example in the longitudinal direction, so that components that are difficult to mix are fed to the beginning of the mixing chamber and components that are easy to mix are fed to the end of the mixing chamber. For example, components that cannot tolerate too intensive mixing can also be fed to the end of the mixing chamber earlier.
- the mixed reaction mixture is then ready for further use or processing.
- the device according to the invention can be operated either continuously or discontinuously.
- the profile of the worm shafts can be single-thread or multi-thread, so it can have one or more worm threads.
- a multi-flight profile is preferred, and a double-flight profile is particularly preferred. Such profiles are preferred because they allow a larger free volume to be achieved while at the same time having good pressure build-up capacity.
- the enveloping surface of the rotating shafts is preferably cylindrical, but can also be conical or take on other shapes.
- At least one compound selected from the group consisting of polyether polyols, polyester polyols, polyether ester polyols, polycarbonate polyols and polyether-polycarbonate polyols is used as the isocyanate-reactive component Al.
- Polyester polyols and / or polyether polyols are preferred.
- the isocyanate-reactive component Al can preferably have a hydroxyl number between 25 to 800 mg KOH / g, in particular 50 to 500 mg KOH / g and particularly preferably 100 to 300 mg KOH / g.
- the individual polyol component preferably has a number average molecular weight of 120 g / mol to 6000 g / mol, in particular 400 g / mol to 2000 g / mol and particularly preferably 500 g / mol to 1000 g / mol.
- the number average molar mass M n (also: molecular weight) is determined in the context of this invention by gel permeation chromatography according to DIN 55672-1 (March 2007).
- the OH number indicates its OH number.
- Information on the OH number for mixtures relates to the number-average OH number of the mixture, calculated from the OH numbers of the individual components in their respective molar proportions.
- the OH number indicates the amount Potassium hydroxide in milligrams, which is equivalent to the amount of acetic acid bound by acetylation of one gram of substance.
- the OH number is determined in accordance with the DIN 53240-1 standard (June 2013).
- “functionality” denotes the theoretical average functionality calculated from the known starting materials and their quantitative ratios (number of functions in the molecule that are reactive toward isocyanates or toward polyols).
- the polyester polyols of component Al can be, for example, polycondensates of polyhydric alcohols, preferably diols, with 2 to 12 carbon atoms, preferably with 2 to 6 carbon atoms, and polycarboxylic acids, such as, for example, di-, tri- or even tetracarboxylic acids, or hydroxycarboxylic acids or lactones aromatic dicarboxylic acids or mixtures of aromatic and aliphatic dicarboxylic acids are used.
- polycarboxylic acids such as, for example, di-, tri- or even tetracarboxylic acids, or hydroxycarboxylic acids or lactones aromatic dicarboxylic acids or mixtures of aromatic and aliphatic dicarboxylic acids are used.
- the free polycarboxylic acids it is also possible to use the corresponding polycarboxylic acid anhydrides or corresponding polycarboxylic acid esters of lower alcohols for the production of the polyesters. Phthalic anhydride, terephthal
- carboxylic acids are: succinic acid, glutaric acid, adipic acid, suberic acid, azelaic acid, sebacic acid, decanedicarboxylic acid, tetrahydrophthalic acid, hexahydrophthalic acid, cyclohexanedicarboxylic acid,
- Tetrachlorophthalic acid itaconic acid, malonic acid, 2-methylsuccinic acid, 3,3-diethylglutaric acid, 2,2-dimethylsuccinic acid, dodecanedioic acid,
- the carboxylic acids can be used either individually or as a mixture.
- the carboxylic acids used are preferably adipic acid, sebacic acid and / or succinic acid, particularly preferably adipic acid and / or succinic acid.
- Hydroxycarboxylic acids that can be used as reactants in the production of a polyester polyol with terminal hydroxyl groups are, for example, hydroxycaproic acid, hydroxybutyric acid, hydroxydecanoic acid, Hydroxystearic acid and the like.
- Suitable lactones include caprolactone, butyrolactone and homologues.
- bio-based starting materials and / or their derivatives are particularly suitable, such as.
- diols examples include ethylene glycol, butylene glycol, diethylene glycol, triethylene glycol, polyalkylene glycols such as polyethylene glycol, also 1,2-propanediol, 1,3-propanediol, 1,3-butanediol, 1,4-butanediol, 1,6-hexanediol and isomers, Neopentyl glycol or neopentyl glycol hydroxypivalate.
- Ethylene glycol diethylene glycol, 1,4-butanediol, 1,5-pentanediol, 1,6-hexanediol or mixtures of at least two of the diols mentioned, in particular mixtures of 1,4-butanediol, 1,5-pentanediol and 1, are preferably used 6-hexanediol.
- polyols such as trimethylolpropane, glycerol, erythritol, pentaerythritol, trimethylolbenzene or trishydroxyethyl isocyanurate can also be used, glycerol and trimethylolpropane being preferred.
- monohydric alkanols can also be used.
- Polyether polyols used according to the invention are obtained by production methods known to the person skilled in the art, such as, for example, by anionic polymerization of one or more alkylene oxides having 2 to 4 carbon atoms with alkali hydroxides, such as sodium or potassium hydroxide, alkali alcoholates, such as sodium methylate, sodium or potassium ethylate or potassium isopropylate, or aminic alkoxylation s - Catalysts, such as dimethylethanolamine (DMEOA), imidazole and / or imidazole derivatives, using at least one starter molecule which contains 2 to 8, preferably 2 to 6, reactive hydrogen atoms bonded.
- alkali hydroxides such as sodium or potassium hydroxide
- alkali alcoholates such as sodium methylate, sodium or potassium ethylate or potassium isopropylate
- aminic alkoxylation s - Catalysts such as dimethylethanolamine (DMEOA), imidazole and / or imi
- Suitable alkylene oxides are, for example, tetrahydrofuran, 1,3-propylene oxide, 1,2- or 2,3-butylene oxide, styrene oxide and preferably ethylene oxide and 1,2-propylene oxide.
- the alkylene oxides can be used individually, alternately in succession or as mixtures.
- Preferred alkylene oxides are propylene oxide and ethylene oxide, and ethylene oxide is particularly preferred.
- the alkylene oxides can be converted in combination with CO2.
- Suitable starter molecules are, for example: water, organic dicarboxylic acids such as succinic acid, adipic acid, phthalic acid and terephthalic acid, aliphatic and aromatic, optionally N-mono-, N, N- and N, N'-dialkyl-substituted diamines with 1 to 4 carbon atoms in the alkyl radical such as optionally mono- and dialkyl-substituted ethylenediamine, diethylenetriamine, triethylenetetramine, 1,3-propylenediamine, 1,3- or 1,4-butylenediamine, 1,2-, 1,3-, 1,4-, 1,5- and 1,6-hexamethylenediamine, phenylenediamines, 2,3-, 2,4- and 2,6-tolylenediamine, and 2,2'-, 2,4'- and 4,4'-diaminodiphenylmethane.
- organic dicarboxylic acids such as succinic acid, adipic acid,
- two or polyhydric alcohols such as ethanediol, 1,2- and 1,3-propanediol, diethylene glycol, dipropylene glycol, 1,4-butanediol, 1,6-hexanediol, triethanolamine, bisphenols, glycerol, trimethylolpropane, pentaerythritol, sorbitol and Sucrose.
- Polycarbonate polyols which can be used are polycarbonates containing hydroxyl groups, for example polycarbonate diols. These arise in the reaction of carbonic acid derivatives, such as diphenyl carbonate, dimethyl carbonate or phosgene, with polyols, preferably diols.
- diols examples include ethylene glycol, 1,2- and 1,3-propanediol, 1,3- and 1,4-butanediol, 1,6-hexanediol, 1,8-octanediol, neopentyl glycol, 1,4-
- polyether-polycarbonate diols which are obtainable, for example, by copolymerizing alkylene oxides, such as propylene oxide, with CO 2.
- Polyetherester polyols which can be used are those compounds which contain ether groups, ester groups and OH groups.
- Organic dicarboxylic acids with up to 12 carbon atoms are suitable for the production of the polyetherester polyols, preferably aliphatic dicarboxylic acids with 4 to 6 carbon atoms or aromatic dicarboxylic acids, which are used individually or in a mixture.
- Examples are suberic acid, azelaic acid, decanedicarboxylic acid, furanedicarboxylic acid, maleic acid, malonic acid, phthalic acid, pimelic acid and sebacic acid and, in particular, glutaric acid, fumaric acid, succinic acid, adipic acid, phthalic acid, terephthalic acid and isoterephthalic acid.
- organic dicarboxylic acids it is also possible to use derivatives of these acids, for example their anhydrides and their esters and half-esters with low molecular weight, monofunctional alcohols having 1 to 4 carbon atoms.
- bio-based starting materials mentioned above in particular fatty acids or fatty acid derivatives (oleic acid, soybean oil, etc.) is also possible and can have advantages, e.g. with regard to storage stability of the polyol formulation, dimensional stability, fire behavior and compressive strength of the foams.
- Polyether polyols obtained by alkoxylating starter molecules such as polyhydric alcohols are used as a further component for the production of the polyether ester polyols.
- the starter molecules are at least difunctional, but can optionally also contain proportions of higher-functional, in particular trifunctional, starter molecules.
- Starter molecules are, for example, diols such as 1,2-ethanediol, 1,3-propanediol, 1,2-propanediol, 1,4-butanediol, 1,5-pentenediol, 1,5-pentanediol, neopentyl glycol, 1,6-hexanediol, 1,7-heptanediol, 1,8-octanediol, 1,10-decanediol, 2-methyl-1,3-propanediol, 2,2-dimethyl-1,3-propanediol, 3-methyl-1,5-pentanediol, 2-butyl-2-ethyl-l, 3-propanediol, 2-butene-l, 4-diol and 2-butyne-l, 4-diol, ether diols such as diethylene glycol, triethylene glycol, tetraethylene glycol
- Starter molecules with functionalities other than OH can also be used alone or in a mixture.
- compounds with more than 2 Zerewitinoff-active hydrogens especially with number-average functionalities from 3 to 8, in particular from 3 to 6, for example 1,1,1-trimethylolpropane, triethanolamine, can also be used as starter molecules for the production of the polyethers , Glycerine, sorbitan and pentaerythritol as well as polyethylene oxide polyols started on triols or tetraoene.
- Polyetherester polyols can also be prepared by alkoxylation, in particular ethoxylation and / or propoxylation, of reaction products obtained by reacting organic dicarboxylic acids and their derivatives and components with Zerewitinoff-active hydrogens, especially diols and polyols.
- organic dicarboxylic acids for example, their anhydrides can be used, such as phthalic anhydride.
- polyester and polyether polyols from suitable polymer recyclates via glycolysis.
- Suitable polyether-polycarbonate polyols and their production are described, for example, in EP 2 910 585 A1, [0024] - [0041]. Examples of polycarbonate polyols and their production can be found, inter alia, in EP 1 359 177 A1.
- the production of suitable polyetherester polyols is described in WO 2010/043624 A and in EP 1 923 417 A, among others.
- the isocyanate-reactive component Al can contain low molecular weight isocyanate-reactive compounds, in particular di- or trifunctional amines and alcohols, particularly preferably diols and / or triols with molar masses M n of less than 400 g / mol, preferably from 60 to 300 g / mol, are used, for example triethanolamine, diethylene glycol, ethylene glycol and glycerine. If such low molecular weight isocyanate-reactive compounds are used to produce the polyurethane foams, for example in the function of chain extenders and / or crosslinking agents, these are expediently used in an amount of up to 5% by weight, based on the total weight of component Al Commitment.
- low molecular weight isocyanate-reactive compounds in particular di- or trifunctional amines and alcohols, particularly preferably diols and / or triols with molar masses M n of less than 400 g / mol, preferably from 60 to 300
- component Al can contain further isocyanate-reactive compounds, for example graft polyols, polyamines, polyamino alcohols and polythiols.
- isocyanate-reactive components described also include compounds with mixed functionalities.
- Component Al can consist of one or more of the above-mentioned isocyanate-reactive components.
- blowing agent A2 can be used as blowing agent A2, such as, for example, low-boiling organic compounds such as hydrocarbons, halogenated hydrocarbons, ethers, ketones, carboxylic acid esters or carbonic acid esters.
- Examples of such, preferably used organic compounds are alkanes, such as heptane, hexane, n- and iso-pentane, preferably technical mixtures of n- and iso-pentanes, n- and iso-butane and propane, cycloalkanes, such as. B. cyclopentane and / or cyclohexane, ethers, such as. B. furan, dimethyl ether and diethyl ether, ketones, such as. B. acetone and methyl ethyl ketone, carboxylic acid alkyl esters, such as. B.
- alkanes such as heptane, hexane, n- and iso-pentane, preferably technical mixtures of n- and iso-pentanes, n- and iso-butane and propane
- cycloalkanes such as. B. cyclopentane and / or cyclo
- halogenated hydrocarbons such as. B. methylene chloride, dichloromonofluoromethane, difluoromethane, trifluoromethane, difluoroethane, tetrafluoroethane, chlorodifluoroethane, l, l-dichloro-2,2,2-trifluoroethane, 2,2-dichloro-2-fluoroethane and heptafluoropropane.
- (hydro) fluorinated olefins such as. B.
- HFO 1233zd (E) (trans-l-chloro-3,3,3-trifluoro-1-propene) or HFO 1336mzz (Z) (cis-l, l, l, 4,4,4-hexafluoro-2 -butene) or additives such as FA 188 from 3M (l, l, l, 2,3,4,5,5,5-nonafluoro-4- (trifluoromethyl) pent-2-en).
- Mixtures of two or more of the organic compounds mentioned can also be used.
- the organic compounds can also be used in the form of an emulsion composed of small droplets.
- Chemical blowing agents such as, for example, water, carboxylic acid and mixtures thereof, can also be used as blowing agent A2. These react with isocyanate groups to form the propellant gas, as in the case of water, for example, carbon dioxide is formed and in the case of z.
- formic acid produces carbon dioxide and carbon monoxide. At least one compound selected from the group consisting of formic acid, acetic acid, oxalic acid and ricinoleic acid is preferably used as the carboxylic acid. Water is particularly preferably used as the chemical blowing agent.
- blowing agents Preferably no halogenated hydrocarbons are used as blowing agents. At least one compound selected from the group consisting of physical and chemical blowing agents is used as blowing agent A2. Only physical blowing agent is preferably used.
- auxiliaries and additives can be used as component A3.
- component A3 are catalysts, surface-active substances, foam stabilizers, cell regulators, fillers, dyes, pigments, hydrolysis inhibitors, fungistatic and bacteriostatic substances.
- a catalyst for the production of the polyurethane foams compounds are used which accelerate the reaction of the reactive hydrogen atoms, in particular compounds containing hydroxyl groups, with the isocyanate component B, such as. B. tertiary amines or metal salts.
- the catalyst components can be metered into the reaction mixture or completely or partially in the isocyanate-reactive component A1.
- tertiary amines such as triethylamine, tributylamine, dimethylbenzylamine, dicyclohexylmethylamine, dimethylcyclohexylamine, N, N, N ', N'-tetramethyldiaminodiethyl ether, bis (dimethylaminopropyl) urea, N-methylmorpholine or N-ethylmorpholine, N-cyclohexylmorpholine, are used , N, N, N ', N'-tetramethylethylenediamine, N, N, N, N-tetramethylbutanediamine, N, N, N, N-tetramethylhexanediamine-1,6, pentamethyldiethylenetriamine, bis [2- (dimethylamino) ethyl] ether, Dimethylpiperazine, N-dimethylaminoethylpiperidine, 1,2-dimethyl-imidazole, l-azabic
- the transition metal salts used are, for example, zinc, bismuth, iron, lead or, preferably, tin salts.
- transition metal salts used are iron (II) chloride, zinc chloride, lead octoate, tin dioctoate, tin diethylhexoate and dibutyltin dilaurate.
- the transition metal salt is particularly preferably selected from at least one compound from the group consisting of tin dioctoate, tin diethylhexoate and dibutyltin dilaurate.
- alkali metal salts are alkali alcoholates, such as. B.
- alkali metal carboxylates such as B. potassium acetate
- alkali metal salts of long-chain fatty acids with 10 to 20 carbon atoms and optionally pendant OH groups are preferably used as the alkali metal salt.
- amidines such as. B. 2,3-dimethyl-3,4,5,6-tetrahydropyrimidine
- tetraalkylammonium hydroxides such as. B. tetramethylammonium hydroxide
- alkali hydroxides such as. B. sodium hydroxide
- tetraalkylammonium or phosphonium carboxylates tetraalkylammonium or phosphonium carboxylates.
- Mannich bases and salts of phenols are also suitable catalysts. It is also possible to run the reactions without catalysis. In this case, the catalytic activity of polyols started with amines is used.
- Catalysts forming isocyanurate groups for example ammonium ion or alkali metal salts, especially ammonium or alkali metal carboxylates, alone or in combination with tertiary amines.
- isocyanurate leads to particularly flame-retardant PIR foams.
- the above-mentioned catalysts can be used alone or in combination with one another.
- Suitable surface-active substances are, for example, compounds which serve to support the homogenization of the starting materials and are optionally also suitable for regulating the cell structure of the plastics.
- emulsifiers such as the sodium salts of castor oil sulfates or of fatty acids and salts of fatty acids with amines, for example oleic diethylamine, stearic diethanolamine, ricinolic acid diethanolamine, salts of sulfonic acids, for example alkali metal or ammonium salts of dodecylbenzylbenzylbenzyl or dinaphonic acid sulfonate;
- Foam stabilizers such as siloxane oxalkylene copolymers and other organopolysiloxanes, ethoxylated alkylphenols, ethoxylated fatty alcohols, paraffin oils, castor oil or ricinoleic acid esters, Turkish red oil and peanut oil, and cell regulators such as paraffins,
- oligomeric acrylates with polyoxyalkylene and fluoroalkane radicals as side groups are also suitable for improving the emulsifying effect, the cell structure and / or stabilizing the foam.
- the usual organic and inorganic fillers, reinforcing agents, weighting agents, agents for improving the abrasion behavior in paints, coating agents, etc., which are known per se, are to be mentioned as fillers, in particular reinforcing fillers.
- inorganic fillers such as silicate minerals, for example sheet silicates such as. B.
- metal oxides such as kaolin, aluminum oxides, titanium oxides and iron oxides, metal salts such as chalk, barite and inorganic pigments such as cadmium sulfide and zinc sulfide, as well as glass and other natural and synthetic fibrous Minerals such as wollastonite, metal and especially glass fibers of various lengths, which can optionally be sized.
- organic fillers are: carbon, melamine, rosin, cyclopentadienyl resins and graft polymers and cellulose fibers, polyamide, polyacrylonitrile, polyurethane, polyester fibers based on aromatic and / or aliphatic dicarboxylic acid esters and carbon fibers.
- phosphates or phosphonates such as. B. Diethyl ethyl phosphonate (DEEP), triethyl phosphate (TEP), triphenyl phosphate (TPP), tricresyl phosphate, diphenyl cresyl phosphate (DPK), dimethyl methyl phosphonate (DMMP), diethanolaminomethylphosphonic acid diethyl ester, 9, 10-dihydro-9-oxa-10-oxide ) and dimethylpropylphosphonate (DMPP) can be used.
- DEEP Diethyl ethyl phosphonate
- TPP triethyl phosphate
- TPP triphenyl phosphate
- DPK diphenyl cresyl phosphate
- DMMP dimethyl methyl phosphonate
- DMPP diethanolaminomethylphosphonic acid diethyl ester, 9, 10-dihydro-9-oxa-10-oxide
- DMPP dimethylprop
- Suitable flame retardants A4 are, for example, brominated esters, brominated ethers (Ixol) or brominated alcohols such as dibromoneopentyl alcohol, tribromoneopentyl alcohol, tetrabromophthalate diol, and also chlorinated phosphates such as tris (2-chloroethyl) phosphate, tris (2-chloropropyl) phosphate (TCPP), tris (1,3-dichloropropyl) phosphate, tris (2,3-dibromopropyl) phosphate, tetrakis (2-chloroethyl) ethylene diphosphate, as well as commercially available halogen-containing flame retardant polyols. Diphenyl cresyl phosphate, triethyl phosphate and bisphenol A bis (diphenyl phosphate) are preferred. It is particularly preferred that no halogen-containing flame retardants are used.
- Suitable isocyanate component B are, for. B. polyisocyanates, ie isocyanates with an NCO functionality of at least 2, are possible.
- suitable polyisocyanates are 1,4-butylene diisocyanate, 1,5-pentane diisocyanate, 1,6-hexamethylene diisocyanate (HDI), isophorone diisocyanate (IPDI), 2,2,4- and / or 2,4,4-trimethylhexamethylene diisocyanate, the isomers Bis (4,4'-isocyanatocyclohexyl) methanes or mixtures thereof with any isomer content, 1,4-cyclohexylene diisocyanate, 1,4-phenylene diisocyanate, 2,4- and / or 2,6-tolylene diisocyanate (TDI), 1,5-naphthylene diisocyanate, 2,2'- and / or 2, 4'- and / or 4,4'-diphenylmethane
- NCO prepolymers can also be used as isocyanate component B.
- the prepolymers can be prepared by reacting one or more polyisocyanates with one or more polyols, corresponding to the polyols described under the isocyanate-reactive components A1.
- the isocyanate index (also called index or isocyanate index) is understood to mean the quotient of the amount of substance [mol] of isocyanate groups actually used and the amount of substance [mol] of isocyanate-reactive groups actually used, multiplied by 100:
- the number of NCO groups in the isocyanate and the number of isocyanate-reactive groups in the reaction mixture lead to an index of 90 to 600, preferably between 250 and 450.
- This index is preferably in a range of 300 up to 400 in which a high proportion of polyisocyanurates (PIR) is present (the polyurethane foam is referred to as PIR foam or PUR / PIR foam) and leads to a higher flame retardancy of the polyurethane foam itself.
- PIR foam polyurethane foam
- PUR / PIR foam polyisocyanurates
- Another preferred range for the isocyanate index is the range of values from> 90 to ⁇ 150 in which the polyurethane foam, for example, tends to be less brittle.
- the NCO value (also: NCO content, isocyanate content) is determined using EN ISO 11909 (May 2007). Unless otherwise stated, the values are at 25 ° C.
- the polyurethane foams produced according to the invention are used, for example, in the production of insulating material, furniture upholstery, textile inserts, mattresses, automobile seats, headrests, armrests, sponges and structural elements, as well as seat and instrument panel linings.
- FIG. 1 shows a mixing chamber containing a mixing element with two closely intermeshing, co-rotating and single-flight screw shafts.
- Fig. 1 shows the schematic structure of a mixing chamber (1) with two separate positions (2a) and (2b) for supplying the components to be mixed.
- the positions (2a) and (2b) are offset from one another in the conveying direction (3).
- the mixing chamber (1) contains two closely intermeshing, co-rotating and single-flight screw shafts (4) as a mixing element.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
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PCT/EP2020/077543 WO2021069306A1 (de) | 2019-10-08 | 2020-10-01 | Vorrichtung zur vermischung reaktiver komponenten |
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JPH01171824A (ja) * | 1987-12-26 | 1989-07-06 | Toyo Tire & Rubber Co Ltd | 熱硬化性樹脂の高粘度溶液の二軸かく拌装置 |
DE4111458C1 (de) | 1991-04-09 | 1992-08-13 | Kloeckner Ferromatik Desma Gmbh, 7831 Malterdingen, De | |
DE59905379D1 (de) * | 1998-01-23 | 2003-06-12 | Kloeckner Desma Schuhmaschinen | Verwendung einer Vorrichtung zum schussweisen Mischen und Ausbringen von in der Kavität eines Formwerkzeugs einer Spritzgiessmaschine ausreagierenden und aushärtenden Mehrkomponenten-Kunststoffen |
DE10219028A1 (de) | 2002-04-29 | 2003-11-06 | Bayer Ag | Herstellung und Verwendung von hochmolekularen aliphatischen Polycarbonaten |
US9284401B2 (en) | 2006-11-13 | 2016-03-15 | Bayer Materialscience Llc | Process for the preparation of polyether-ester polyols |
CA2739845C (en) | 2008-10-15 | 2016-08-16 | Basf Se | Polyester polyols based on terephthalic acid |
ITMI20132189A1 (it) | 2013-12-23 | 2015-06-24 | Afros Spa | Metodo e apparecchiatura di miscelazione ad alta pressione per la co-iniezione di componenti polimerici |
EP2910585B1 (de) | 2014-02-21 | 2018-07-04 | Covestro Deutschland AG | Schotterkörper sowie Verfahren zur Herstellung von Schotterkörpern |
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