DE1668657C - - Google Patents
Info
- Publication number
- DE1668657C DE1668657C DE1668657C DE 1668657 C DE1668657 C DE 1668657C DE 1668657 C DE1668657 C DE 1668657C
- Authority
- DE
- Germany
- Prior art keywords
- toluene
- substances
- diisocyanate
- percent
- weight
- 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.)
- Active
Links
- 239000000126 substance Substances 0.000 claims description 31
- 239000000203 mixture Substances 0.000 claims description 29
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 27
- 239000000047 product Substances 0.000 claims description 21
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 18
- JXCHMDATRWUOAP-UHFFFAOYSA-N diisocyanatomethylbenzene Chemical compound O=C=NC(N=C=O)C1=CC=CC=C1 JXCHMDATRWUOAP-UHFFFAOYSA-N 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 11
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 10
- 238000004821 distillation Methods 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 6
- XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate Chemical compound [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 0.000 claims description 6
- 125000005442 diisocyanate group Chemical group 0.000 claims description 6
- BTNYBNHUZOZYTA-ODZAUARKSA-N (z)-but-2-enedioic acid;propane-1,2-diol Chemical compound CC(O)CO.OC(=O)\C=C/C(O)=O BTNYBNHUZOZYTA-ODZAUARKSA-N 0.000 claims description 5
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 claims description 5
- 239000007795 chemical reaction product Substances 0.000 claims description 5
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 5
- 238000005187 foaming Methods 0.000 claims description 4
- 239000002244 precipitate Substances 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- MKEPGIQTWYTRIW-ODZAUARKSA-N (z)-but-2-enedioic acid;ethane-1,2-diol Chemical compound OCCO.OC(=O)\C=C/C(O)=O MKEPGIQTWYTRIW-ODZAUARKSA-N 0.000 claims description 2
- VOZKAJLKRJDJLL-UHFFFAOYSA-N 2,4-diaminotoluene Chemical compound CC1=CC=C(N)C=C1N VOZKAJLKRJDJLL-UHFFFAOYSA-N 0.000 claims description 2
- GYWVEWKCJVEQSI-ODZAUARKSA-N OCCCCO.OC(=O)\C=C/C(O)=O Chemical compound OCCCCO.OC(=O)\C=C/C(O)=O GYWVEWKCJVEQSI-ODZAUARKSA-N 0.000 claims description 2
- 239000006227 byproduct Substances 0.000 claims description 2
- -1 toluylene diamines Chemical class 0.000 claims description 2
- 238000005292 vacuum distillation Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 5
- 239000004721 Polyphenylene oxide Substances 0.000 claims 4
- 229920005830 Polyurethane Foam Polymers 0.000 claims 4
- 229920000570 polyether Polymers 0.000 claims 4
- 239000011496 polyurethane foam Substances 0.000 claims 4
- 125000000217 alkyl group Chemical group 0.000 claims 2
- 238000002360 preparation method Methods 0.000 claims 2
- 239000007858 starting material Substances 0.000 claims 2
- 150000004998 toluenediamines Chemical class 0.000 claims 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000003054 catalyst Substances 0.000 claims 1
- 150000004985 diamines Chemical class 0.000 claims 1
- QGYQRCXVEPBRHG-UHFFFAOYSA-N dipentyltin Chemical compound CCCCC[Sn]CCCCC QGYQRCXVEPBRHG-UHFFFAOYSA-N 0.000 claims 1
- 210000003608 fece Anatomy 0.000 claims 1
- 150000002334 glycols Chemical class 0.000 claims 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims 1
- 238000002329 infrared spectrum Methods 0.000 claims 1
- 229920000728 polyester Polymers 0.000 claims 1
- 239000003380 propellant Substances 0.000 claims 1
- 239000000376 reactant Substances 0.000 claims 1
- 238000003860 storage Methods 0.000 claims 1
- PJANXHGTPQOBST-VAWYXSNFSA-N trans-stilbene Chemical group C=1C=CC=CC=1/C=C/C1=CC=CC=C1 PJANXHGTPQOBST-VAWYXSNFSA-N 0.000 claims 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- 238000002474 experimental method Methods 0.000 description 5
- 239000012299 nitrogen atmosphere Substances 0.000 description 5
- 239000011541 reaction mixture Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 3
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229940117389 dichlorobenzene Drugs 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- AYOHIQLKSOJJQH-UHFFFAOYSA-N dibutyltin Chemical compound CCCC[Sn]CCCC AYOHIQLKSOJJQH-UHFFFAOYSA-N 0.000 description 1
- 125000003963 dichloro group Chemical group Cl* 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- ZMHZSHHZIKJFIR-UHFFFAOYSA-N octyltin Chemical compound CCCCCCCC[Sn] ZMHZSHHZIKJFIR-UHFFFAOYSA-N 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Family
ID=
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