ES412226A1 - Procedimiento para la obtencion de diisocianato-difenilme- tano estabilizado contra el amarilleamiento. - Google Patents
Procedimiento para la obtencion de diisocianato-difenilme- tano estabilizado contra el amarilleamiento.Info
- Publication number
- ES412226A1 ES412226A1 ES412226A ES412226A ES412226A1 ES 412226 A1 ES412226 A1 ES 412226A1 ES 412226 A ES412226 A ES 412226A ES 412226 A ES412226 A ES 412226A ES 412226 A1 ES412226 A1 ES 412226A1
- Authority
- ES
- Spain
- Prior art keywords
- cation
- yellowing
- diisocyanato
- diphenyl
- methane
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 title abstract 2
- 238000004383 yellowing Methods 0.000 title abstract 2
- LNWBFIVSTXCJJG-UHFFFAOYSA-N [diisocyanato(phenyl)methyl]benzene Chemical compound C=1C=CC=CC=1C(N=C=O)(N=C=O)C1=CC=CC=C1 LNWBFIVSTXCJJG-UHFFFAOYSA-N 0.000 title 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 4
- 150000001768 cations Chemical class 0.000 abstract 4
- 229910052742 iron Inorganic materials 0.000 abstract 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052797 bismuth Inorganic materials 0.000 abstract 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 abstract 1
- 229910052793 cadmium Inorganic materials 0.000 abstract 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 abstract 1
- 125000005456 glyceride group Chemical group 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910001510 metal chloride Inorganic materials 0.000 abstract 1
- 229910052725 zinc Inorganic materials 0.000 abstract 1
- 239000011701 zinc Substances 0.000 abstract 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
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyurethanes Or Polyureas (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2210607A DE2210607A1 (de) | 1972-03-04 | 1972-03-04 | Verfahren zur herstellung von nicht vergilbendem diisocyanato-diphenylmethan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES412226A1 true ES412226A1 (es) | 1976-11-16 |
Family
ID=5837981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES412226A Expired ES412226A1 (es) | 1972-03-04 | 1973-03-02 | Procedimiento para la obtencion de diisocianato-difenilme- tano estabilizado contra el amarilleamiento. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3840578A (member.php) |
| BE (1) | BE796091A (member.php) |
| DE (1) | DE2210607A1 (member.php) |
| ES (1) | ES412226A1 (member.php) |
| FR (1) | FR2174948B1 (member.php) |
| GB (1) | GB1386197A (member.php) |
| IT (1) | IT982868B (member.php) |
| NL (1) | NL7302896A (member.php) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4334045A (en) * | 1980-12-05 | 1982-06-08 | Allied Corporation | Low color compositions comprising a cross-linked polycyanurate polymer and a thermoplastic polymer |
| US4414366A (en) * | 1980-12-05 | 1983-11-08 | Allied Corporation | Low color compositions comprising a cross-linked polycyanurate polymer and a thermoplastic polymer |
| US4414361A (en) * | 1981-08-17 | 1983-11-08 | Atlantic Richfield Company | Organic polyisocyanate-cyclic alkylene carbonate adhesive binder compositions |
| US4709002A (en) * | 1986-06-05 | 1987-11-24 | Atlantic Richfield Company | Method for the preparation of rigid non-cellular reaction injection molded thermoset polyisocyanurate compositions |
| DE19914291A1 (de) | 1999-03-30 | 2000-10-05 | Bayer Ag | Verfahren zur Absenkung des Chlorgehaltes von niedermolekularen Isocyanaten |
| DE19914292A1 (de) | 1999-03-30 | 2000-10-05 | Bayer Ag | Verfahren zur Verringerung des Chlorgehaltes von organischen Isocyanaten |
| DE19922572A1 (de) | 1999-05-17 | 2000-11-23 | Bayer Ag | Verfahren zur Reinigung von organischen Isocyanaten, die so gereinigten organischen Isocyanate und ihre Verwendung |
-
1972
- 1972-03-04 DE DE2210607A patent/DE2210607A1/de active Pending
-
1973
- 1973-02-09 US US00330907A patent/US3840578A/en not_active Expired - Lifetime
- 1973-02-28 BE BE128211A patent/BE796091A/xx unknown
- 1973-03-01 NL NL7302896A patent/NL7302896A/xx unknown
- 1973-03-02 IT IT48564/73A patent/IT982868B/it active
- 1973-03-02 GB GB1016473A patent/GB1386197A/en not_active Expired
- 1973-03-02 ES ES412226A patent/ES412226A1/es not_active Expired
- 1973-03-02 FR FR7307577A patent/FR2174948B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7302896A (member.php) | 1973-09-07 |
| BE796091A (fr) | 1973-08-28 |
| US3840578A (en) | 1974-10-08 |
| DE2210607A1 (de) | 1973-09-06 |
| IT982868B (it) | 1974-10-21 |
| GB1386197A (en) | 1975-03-05 |
| FR2174948B1 (member.php) | 1978-02-10 |
| FR2174948A1 (member.php) | 1973-10-19 |
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