PT1475367E - ¿processo para destilação de uma mistura de isómeros de diisocianato de difenilmetano - Google Patents

¿processo para destilação de uma mistura de isómeros de diisocianato de difenilmetano Download PDF

Info

Publication number: PT1475367E
Authority: PT; Portugal
Prior art keywords: mdi; distillation; column; diphenylmethane; diisocyanate
Prior art date: 2003-05-08

Application number

PT04009786T

Other languages

English (en)

Portuguese (pt)

Inventor

Hans-Peter Schal

Ulrich Wolf

Bernd Thelen

Original Assignee

Bayer Materialscience Ag

Priority date (The priority date 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 date listed.)

2003-05-08

Filing date

2004-04-24

Publication date

2010-09-06

2004-04-24 Application filed by Bayer Materialscience Ag filed Critical Bayer Materialscience Ag

2010-09-06 Publication of PT1475367E publication Critical patent/PT1475367E/pt

Links

238000004821 distillation Methods 0.000 title claims abstract description 85
LNWBFIVSTXCJJG-UHFFFAOYSA-N [diisocyanato(phenyl)methyl]benzene Chemical class C=1C=CC=CC=1C(N=C=O)(N=C=O)C1=CC=CC=C1 LNWBFIVSTXCJJG-UHFFFAOYSA-N 0.000 title 1
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 claims abstract description 79
239000000203 mixture Substances 0.000 claims abstract description 48
LFSYUSUFCBOHGU-UHFFFAOYSA-N 1-isocyanato-2-[(4-isocyanatophenyl)methyl]benzene Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=CC=C1N=C=O LFSYUSUFCBOHGU-UHFFFAOYSA-N 0.000 claims abstract description 15
JIABEENURMZTTI-UHFFFAOYSA-N 1-isocyanato-2-[(2-isocyanatophenyl)methyl]benzene Chemical compound O=C=NC1=CC=CC=C1CC1=CC=CC=C1N=C=O JIABEENURMZTTI-UHFFFAOYSA-N 0.000 claims abstract description 10
238000000926 separation method Methods 0.000 claims description 81
238000000034 method Methods 0.000 claims description 36
238000005194 fractionation Methods 0.000 description 34
239000000047 product Substances 0.000 description 25
238000000605 extraction Methods 0.000 description 13
239000000126 substance Substances 0.000 description 10
238000010992 reflux Methods 0.000 description 9
239000000463 material Substances 0.000 description 7
238000005192 partition Methods 0.000 description 6
CZZYITDELCSZES-UHFFFAOYSA-N diphenylmethane Chemical compound C=1C=CC=CC=1CC1=CC=CC=C1 CZZYITDELCSZES-UHFFFAOYSA-N 0.000 description 5
239000012535 impurity Substances 0.000 description 5
229920001228 polyisocyanate Polymers 0.000 description 5
239000005056 polyisocyanate Substances 0.000 description 5
PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 4
238000009835 boiling Methods 0.000 description 4
238000002425 crystallisation Methods 0.000 description 4
230000008025 crystallization Effects 0.000 description 4
WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
150000001875 compounds Chemical class 0.000 description 3
238000005265 energy consumption Methods 0.000 description 3
IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 3
239000002904 solvent Substances 0.000 description 3
YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 2
PASDCCFISLVPSO-UHFFFAOYSA-N benzoyl chloride Chemical compound ClC(=O)C1=CC=CC=C1 PASDCCFISLVPSO-UHFFFAOYSA-N 0.000 description 2
239000006227 byproduct Substances 0.000 description 2
238000009833 condensation Methods 0.000 description 2
230000005494 condensation Effects 0.000 description 2
239000007788 liquid Substances 0.000 description 2
SYSQUGFVNFXIIT-UHFFFAOYSA-N n-[4-(1,3-benzoxazol-2-yl)phenyl]-4-nitrobenzenesulfonamide Chemical class C1=CC([N+](=O)[O-])=CC=C1S(=O)(=O)NC1=CC=C(C=2OC3=CC=CC=C3N=2)C=C1 SYSQUGFVNFXIIT-UHFFFAOYSA-N 0.000 description 2
DGTNSSLYPYDJGL-UHFFFAOYSA-N phenyl isocyanate Chemical compound O=C=NC1=CC=CC=C1 DGTNSSLYPYDJGL-UHFFFAOYSA-N 0.000 description 2
AWGBKZRMLNVLAF-UHFFFAOYSA-N 3,5-dibromo-n,2-dihydroxybenzamide Chemical compound ONC(=O)C1=CC(Br)=CC(Br)=C1O AWGBKZRMLNVLAF-UHFFFAOYSA-N 0.000 description 1
JGFZNNIVVJXRND-UHFFFAOYSA-N N,N-diisopropylethylamine Substances CCN(C(C)C)C(C)C JGFZNNIVVJXRND-UHFFFAOYSA-N 0.000 description 1
OUCPJZWNFRYRBI-UHFFFAOYSA-N aniline;formaldehyde Chemical compound O=C.NC1=CC=CC=C1 OUCPJZWNFRYRBI-UHFFFAOYSA-N 0.000 description 1
ZPHQBFRCXUIIAZ-UHFFFAOYSA-N benzene;hydrochloride Chemical compound Cl.C1=CC=CC=C1 ZPHQBFRCXUIIAZ-UHFFFAOYSA-N 0.000 description 1
239000003990 capacitor Substances 0.000 description 1
150000001718 carbodiimides Chemical class 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
238000005352 clarification Methods 0.000 description 1
238000003776 cleavage reaction Methods 0.000 description 1
238000010924 continuous production Methods 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
238000001816 cooling Methods 0.000 description 1
239000012467 final product Substances 0.000 description 1
239000012530 fluid Substances 0.000 description 1
230000004907 flux Effects 0.000 description 1
238000000227 grinding Methods 0.000 description 1
239000013067 intermediate product Substances 0.000 description 1
239000012948 isocyanate Substances 0.000 description 1
150000002513 isocyanates Chemical class 0.000 description 1
WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
238000004806 packaging method and process Methods 0.000 description 1
229920000642 polymer Polymers 0.000 description 1
238000006116 polymerization reaction Methods 0.000 description 1
238000007781 pre-processing Methods 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
230000007017 scission Effects 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/18—Separation; Purification; Stabilisation; Use of additives
- C07C263/20—Separation; Purification

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

PT04009786T 2003-05-08 2004-04-24 ¿processo para destilação de uma mistura de isómeros de diisocianato de difenilmetano PT1475367E (pt)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE10320504		2003-05-08
DE102004001872A DE102004001872A1 (de)	2003-05-08	2004-01-14	Verfahren zur Destillation eines Gemisches isomerer Diisocyanatodiphenylmethane

Publications (1)

Publication Number	Publication Date
PT1475367E true PT1475367E (pt)	2010-09-06

Family

ID=33440660

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
PT04009786T PT1475367E (pt)	2003-05-08	2004-04-24	¿processo para destilação de uma mistura de isómeros de diisocianato de difenilmetano

Country Status (5)

Country	Link
AT (1)	ATE473207T1 (de)
DE (2)	DE102004001872A1 (de)
ES (1)	ES2346873T3 (de)
PT (1)	PT1475367E (de)
TW (1)	TW200505827A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP3687650A1 (de) *	2017-09-28	2020-08-05	ExxonMobil Research and Engineering Company	Doppelte trennwandsäule mit mehreren produkten

2004
- 2004-01-14 DE DE102004001872A patent/DE102004001872A1/de not_active Withdrawn
- 2004-04-24 ES ES04009786T patent/ES2346873T3/es not_active Expired - Lifetime
- 2004-04-24 PT PT04009786T patent/PT1475367E/pt unknown
- 2004-04-24 AT AT04009786T patent/ATE473207T1/de active
- 2004-04-24 DE DE502004011353T patent/DE502004011353D1/de not_active Expired - Lifetime
- 2004-05-07 TW TW093112837A patent/TW200505827A/zh unknown

Also Published As

Publication number	Publication date
ATE473207T1 (de)	2010-07-15
TW200505827A (en)	2005-02-16
ES2346873T3 (es)	2010-10-21
DE102004001872A1 (de)	2004-12-09
DE502004011353D1 (de)	2010-08-19

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