CH464180A - Process for eliminating the catalytic effect of impurities present in an organic diisocyanate solution - Google Patents
Process for eliminating the catalytic effect of impurities present in an organic diisocyanate solutionInfo
- Publication number
- CH464180A CH464180A CH1746065A CH1746065A CH464180A CH 464180 A CH464180 A CH 464180A CH 1746065 A CH1746065 A CH 1746065A CH 1746065 A CH1746065 A CH 1746065A CH 464180 A CH464180 A CH 464180A
- Authority
- CH
- Switzerland
- Prior art keywords
- eliminating
- catalytic effect
- impurities present
- organic diisocyanate
- diisocyanate solution
- Prior art date
Links
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
-
- 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
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- 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
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
- C08G18/7621—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring being toluene diisocyanate including isomer mixtures
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US41923764A | 1964-12-17 | 1964-12-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH464180A true CH464180A (en) | 1968-10-31 |
Family
ID=23661392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1746065A CH464180A (en) | 1964-12-17 | 1965-12-17 | Process for eliminating the catalytic effect of impurities present in an organic diisocyanate solution |
Country Status (8)
| Country | Link |
|---|---|
| BE (1) | BE673935A (en) |
| CH (1) | CH464180A (en) |
| DE (1) | DE1280855B (en) |
| FR (1) | FR1461025A (en) |
| GB (1) | GB1097219A (en) |
| IL (1) | IL24799A (en) |
| LU (1) | LU50070A1 (en) |
| NL (2) | NL6516414A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0508216A1 (en) * | 1991-04-06 | 1992-10-14 | Bayer Ag | Method for the conditioning and/or purification of organic isocyanates |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19523851A1 (en) | 1995-06-30 | 1997-01-02 | Basf Ag | Process for the preparation of mixtures of diphenylmethane diisocyanates and polyphenyl polymethylene polyisocyanates with a reduced iodine color number and a reduced chlorine content |
| DE10062129A1 (en) * | 2000-12-13 | 2002-06-20 | Basf Ag | Composite elements containing polyisocanate polyaddition products |
| JP5666294B2 (en) * | 2007-04-24 | 2015-02-12 | ダウ グローバル テクノロジーズ エルエルシー | General primer composition and method |
| CN106008872B (en) * | 2016-05-25 | 2019-03-29 | 上海众力减振技术有限公司 | A kind of microporous polyurethane elastomer and its preparation and application |
-
0
- NL NL126380D patent/NL126380C/xx active
-
1965
- 1965-12-13 GB GB5287465A patent/GB1097219A/en not_active Expired
- 1965-12-14 IL IL2479965A patent/IL24799A/en unknown
- 1965-12-15 LU LU50070A patent/LU50070A1/xx unknown
- 1965-12-16 DE DEM67661A patent/DE1280855B/en active Pending
- 1965-12-16 NL NL6516414A patent/NL6516414A/xx unknown
- 1965-12-17 CH CH1746065A patent/CH464180A/en unknown
- 1965-12-17 BE BE673935D patent/BE673935A/xx unknown
- 1965-12-17 FR FR42824A patent/FR1461025A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0508216A1 (en) * | 1991-04-06 | 1992-10-14 | Bayer Ag | Method for the conditioning and/or purification of organic isocyanates |
Also Published As
| Publication number | Publication date |
|---|---|
| NL6516414A (en) | 1966-06-20 |
| GB1097219A (en) | 1968-01-03 |
| DE1280855B (en) | 1968-10-24 |
| NL126380C (en) | |
| LU50070A1 (en) | 1966-06-15 |
| FR1461025A (en) | 1966-12-02 |
| BE673935A (en) | 1966-06-17 |
| IL24799A (en) | 1969-09-25 |
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