BE681132A - - Google Patents
Info
- Publication number
- BE681132A BE681132A BE681132DA BE681132A BE 681132 A BE681132 A BE 681132A BE 681132D A BE681132D A BE 681132DA BE 681132 A BE681132 A BE 681132A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/10—Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/82—Purification; Separation; Stabilisation; Use of additives
- C07C209/84—Purification
-
- 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
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4825—Polyethers containing two hydroxy 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/721—Two or more polyisocyanates not provided for in one single group C08G18/73 - C08G18/80
- C08G18/727—Two or more polyisocyanates not provided for in one single group C08G18/73 - C08G18/80 comprising distillation residues or non-distilled raw phosgenation products
-
- 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
-
- 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
- C08G2110/00—Foam properties
- C08G2110/0025—Foam properties rigid
-
- 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
- C08G2110/00—Foam properties
- C08G2110/0041—Foam properties having specified density
- C08G2110/005—< 50kg/m3
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyurethanes Or Polyureas (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US45621565A | 1965-05-17 | 1965-05-17 | |
| US46336065A | 1965-06-11 | 1965-06-11 | |
| US81377169A | 1969-04-04 | 1969-04-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE681132A true BE681132A (es) | 1966-10-31 |
Family
ID=27412660
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE631132D BE631132A (es) | 1965-05-17 | ||
| BE681132D BE681132A (es) | 1965-05-17 | 1966-05-16 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE631132D BE631132A (es) | 1965-05-17 |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US3420752A (es) |
| BE (2) | BE681132A (es) |
| DE (1) | DE1568011A1 (es) |
| GB (1) | GB1133668A (es) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3637514A (en) * | 1969-06-20 | 1972-01-25 | Allied Chem | Vicinal toluenediamine mixtures |
| BE792000A (fr) * | 1971-11-29 | 1973-03-16 | Du Pont | Compositions de polyisocyanates utilisables pour la fabricationde matieres polymeres |
| JPS504719B2 (es) * | 1972-03-18 | 1975-02-22 | ||
| US3887502A (en) * | 1972-05-12 | 1975-06-03 | Olin Corp | Preparation of rigid polyurethane foam having improved aging properties |
| JPS5029464B2 (es) * | 1972-11-15 | 1975-09-23 | Sumitomo Chemical Co | |
| US3978128A (en) * | 1975-01-13 | 1976-08-31 | General Motors Corporation | Method of recovering amines by the hydrolytic decomposition of polyurethanes |
| DE3607665A1 (de) * | 1986-03-08 | 1987-09-10 | Bayer Ag | Verfahren zur aufarbeitung waessriger aminloesungen |
| FR2777560B1 (fr) * | 1998-04-17 | 2000-06-09 | Rhodia Chimie Sa | Procede de purification de polyamines aromatiques |
| DE102005032430A1 (de) * | 2005-07-12 | 2007-01-25 | Bayer Materialscience Ag | Verfahren zur Herstellung von Toluylendiamin |
| ES2663870T3 (es) * | 2005-09-22 | 2018-04-17 | Huntsman International Llc | Método para la producción de poliisocianatos |
| EP2213649B2 (en) * | 2007-11-27 | 2016-08-31 | Mitsui Chemicals, Inc. | Method of dehydrating tolylenediamine and dehydrator |
| CN105503620A (zh) * | 2015-12-28 | 2016-04-20 | 甘肃银光聚银化工有限公司 | 一种提高邻位tda纯度的方法 |
| EP3736263A1 (de) * | 2019-05-07 | 2020-11-11 | Covestro Deutschland AG | Verfahren zur reinigung von isocyanaten |
| CN113735718A (zh) * | 2021-09-27 | 2021-12-03 | 江苏科富恺机械设备有限公司 | 一种连续提纯间苯二胺的方法及系统 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1918997A (en) * | 1930-12-01 | 1933-07-18 | Du Pont | Purification of arylamines |
| US3128310A (en) * | 1955-09-09 | 1964-04-07 | Bayer Ag | Recovery of amines |
| GB966812A (en) * | 1962-07-02 | 1964-08-19 | Ici Ltd | Purification of aromatic amines |
| US3215652A (en) * | 1962-09-24 | 1965-11-02 | Allied Chem | Process for producing a rigid polyether-polyurethane foam |
-
0
- BE BE631132D patent/BE631132A/xx unknown
-
1965
- 1965-05-17 US US456215A patent/US3420752A/en not_active Expired - Lifetime
-
1966
- 1966-05-16 DE DE19661568011 patent/DE1568011A1/de active Pending
- 1966-05-16 GB GB21689/66A patent/GB1133668A/en not_active Expired
- 1966-05-16 BE BE681132D patent/BE681132A/xx unknown
-
1969
- 1969-04-04 US US813771A patent/US3522285A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3420752A (en) | 1969-01-07 |
| GB1133668A (en) | 1968-11-13 |
| BE631132A (es) | |
| US3522285A (en) | 1970-07-28 |
| DE1568011A1 (de) | 1970-04-30 |