DD261596A5 - Verfahren zum vermindern des saeuregehaltes von polyisocyanaten - Google Patents
Verfahren zum vermindern des saeuregehaltes von polyisocyanaten Download PDFInfo
- Publication number
- DD261596A5 DD261596A5 DD87306133A DD30613387A DD261596A5 DD 261596 A5 DD261596 A5 DD 261596A5 DD 87306133 A DD87306133 A DD 87306133A DD 30613387 A DD30613387 A DD 30613387A DD 261596 A5 DD261596 A5 DD 261596A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- isocyanate
- pvi
- polyisocyanate
- vinylimidazole
- polymethylene
- Prior art date
Links
Classifications
-
- 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
-
- 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
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
-
- 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
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
-
- 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
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4833—Polyethers containing oxyethylene units
- C08G18/4837—Polyethers containing oxyethylene units and other oxyalkylene units
- C08G18/4841—Polyethers containing oxyethylene units and other oxyalkylene units containing oxyethylene end groups
-
- 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
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
-
- 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
-
- 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
- C08G2101/00—Manufacture of cellular products
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polyurethanes Or Polyureas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/897,904 US4661627A (en) | 1986-08-19 | 1986-08-19 | Method for scavenging acidic impurities from polymeric isocyanates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD261596A5 true DD261596A5 (de) | 1988-11-02 |
Family
ID=25408633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD87306133A DD261596A5 (de) | 1986-08-19 | 1987-08-18 | Verfahren zum vermindern des saeuregehaltes von polyisocyanaten |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4661627A (ja) |
| EP (1) | EP0263946A1 (ja) |
| JP (1) | JPS6351367A (ja) |
| KR (1) | KR900005051B1 (ja) |
| DD (1) | DD261596A5 (ja) |
| PT (1) | PT84773B (ja) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4111212A1 (de) * | 1991-04-06 | 1992-10-08 | Bayer Ag | Verfahren zur konditionierung und/oder reinigung von organischen isocyanaten |
| JPH0586163A (ja) * | 1991-09-26 | 1993-04-06 | Mitsui Toatsu Chem Inc | 結晶化を防止した低粘度ポリメチレンポリフエニレンポ リイソシアナート組成物 |
| US5726240A (en) * | 1996-11-25 | 1998-03-10 | Bayer Corporation | Reactivity stabilization of polymethylene poly(phenylisocyanates) |
| US5783652A (en) * | 1997-11-04 | 1998-07-21 | Bayer Corporation | Reactivity improvement of urethane prepolymers of allophanate-modified diphenylmethane diisocyanates |
| DE102007006147A1 (de) * | 2007-02-07 | 2008-08-14 | Wacker Chemie Ag | Verfahren zur Herstellung von Isocyanatoorganosilanen |
| CN102443132B (zh) * | 2010-10-15 | 2013-02-13 | 兰州理工大学 | 一种离子导电聚氨酯的制备方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA727137A (en) * | 1966-02-01 | H. Kober Ehrenfried | Process for reducing the amount of hydrolyzable chloride in organic isocyanates | |
| US3155699A (en) * | 1960-03-30 | 1964-11-03 | Mobay Chemical Corp | Purification of isocyanates by reduction of the hydrolyzable chlorine and acid content |
| US3179680A (en) * | 1962-10-31 | 1965-04-20 | Olin Mathieson | Purification of organic isocyanates |
| US3458558A (en) * | 1963-10-25 | 1969-07-29 | Allied Chem | Purification of isocyanates by reducing the hydrolyzable chlorine content |
| US3264336A (en) * | 1964-09-11 | 1966-08-02 | Mobay Chemical Corp | Purification of isocyanates by reduction of the hydrolyzable chlorine and acid content |
| GB1146661A (en) * | 1965-04-29 | 1969-03-26 | Ici Ltd | Foamed polymers |
| US3465023A (en) * | 1965-12-07 | 1969-09-02 | Gen Mills Inc | Preparation of nonaromatic polyisocyanates |
| GB1229181A (ja) * | 1968-08-01 | 1971-04-21 | ||
| US3793362A (en) * | 1971-10-18 | 1974-02-19 | Upjohn Co | Reduction of acidic impurities in polymethylene polyphenylisocyanates |
| US3799963A (en) * | 1972-05-12 | 1974-03-26 | Olin Corp | Purification of isocyanates reducing the hydrolyzable chlorine and acid content |
| GB1347647A (en) * | 1973-01-16 | 1974-02-27 | Ici Ltd | Process for the purification of organic isocyanates |
| GB1417075A (en) * | 1973-10-31 | 1975-12-10 | Ici Ltd | Isocyanates |
| US4094894A (en) * | 1977-03-23 | 1978-06-13 | E. I. Du Pont De Nemours And Company | Process of purifying aliphatic isocyanates |
-
1986
- 1986-08-19 US US06/897,904 patent/US4661627A/en not_active Expired - Fee Related
-
1987
- 1987-04-28 PT PT84773A patent/PT84773B/pt unknown
- 1987-06-09 JP JP62142401A patent/JPS6351367A/ja active Pending
- 1987-08-18 KR KR878709016A patent/KR900005051B1/ko active IP Right Grant
- 1987-08-18 DD DD87306133A patent/DD261596A5/de not_active IP Right Cessation
- 1987-08-18 EP EP87111995A patent/EP0263946A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| US4661627A (en) | 1987-04-28 |
| PT84773B (en) | 1989-12-04 |
| JPS6351367A (ja) | 1988-03-04 |
| KR900005051B1 (en) | 1990-07-19 |
| EP0263946A1 (en) | 1988-04-20 |
| PT84773A (en) | 1987-05-01 |
| KR880002911A (ko) | 1988-05-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ENJ | Ceased due to non-payment of renewal fee |