GB1035142A - Improvements in and relating to diisocyanates - Google Patents
Improvements in and relating to diisocyanatesInfo
- Publication number
- GB1035142A GB1035142A GB2374464A GB2374464A GB1035142A GB 1035142 A GB1035142 A GB 1035142A GB 2374464 A GB2374464 A GB 2374464A GB 2374464 A GB2374464 A GB 2374464A GB 1035142 A GB1035142 A GB 1035142A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diisocyanates
- relating
- diisocyanate
- distils
- passed
- 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
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)
Abstract
Aromatic diisocyanate distillation residues are passed in the form of a thin film over a heated surface, whereby the diisocyanate distils off. The product is e.g. 2,4- and/or 2,6-toluene diisocyanate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2374464A GB1035142A (en) | 1964-06-09 | 1964-06-09 | Improvements in and relating to diisocyanates |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2374464A GB1035142A (en) | 1964-06-09 | 1964-06-09 | Improvements in and relating to diisocyanates |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1035142A true GB1035142A (en) | 1966-07-06 |
Family
ID=10200605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2374464A Expired GB1035142A (en) | 1964-06-09 | 1964-06-09 | Improvements in and relating to diisocyanates |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1035142A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0105242A2 (en) * | 1982-09-30 | 1984-04-11 | Mobay Corporation | Reduction of free monomer in isocyanate adducts |
US4888442A (en) * | 1982-09-30 | 1989-12-19 | Mobay Corporation | Reduction of free monomer in isocyanate adducts |
CN110167913A (en) * | 2017-01-18 | 2019-08-23 | 科思创德国股份有限公司 | The method of diisocyanate is recycled from bottoms |
-
1964
- 1964-06-09 GB GB2374464A patent/GB1035142A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0105242A2 (en) * | 1982-09-30 | 1984-04-11 | Mobay Corporation | Reduction of free monomer in isocyanate adducts |
EP0105242A3 (en) * | 1982-09-30 | 1985-10-30 | Mobay Chemical Corporation | Reduction of free monomer in isocyanate adducts |
US4888442A (en) * | 1982-09-30 | 1989-12-19 | Mobay Corporation | Reduction of free monomer in isocyanate adducts |
CN110167913A (en) * | 2017-01-18 | 2019-08-23 | 科思创德国股份有限公司 | The method of diisocyanate is recycled from bottoms |
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