ES461400A1 - Procedimiento de fabricacion de poliuretanos. - Google Patents
Procedimiento de fabricacion de poliuretanos.Info
- Publication number
- ES461400A1 ES461400A1 ES461400A ES461400A ES461400A1 ES 461400 A1 ES461400 A1 ES 461400A1 ES 461400 A ES461400 A ES 461400A ES 461400 A ES461400 A ES 461400A ES 461400 A1 ES461400 A1 ES 461400A1
- Authority
- ES
- Spain
- Prior art keywords
- urea
- polyurethane foams
- prodn
- isocyanate
- poly
- 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
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title abstract 4
- 239000004202 carbamide Substances 0.000 title abstract 4
- 229920005830 Polyurethane Foam Polymers 0.000 title abstract 3
- 239000011496 polyurethane foam Substances 0.000 title abstract 3
- 125000002947 alkylene group Chemical group 0.000 title abstract 2
- 239000012948 isocyanate Substances 0.000 title 1
- 150000002513 isocyanates Chemical class 0.000 title 1
- 239000005056 polyisocyanate Substances 0.000 abstract 1
- 229920001228 polyisocyanate Polymers 0.000 abstract 1
- 239000004814 polyurethane Substances 0.000 abstract 1
- 229920002635 polyurethane Polymers 0.000 abstract 1
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
- C08G18/28—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
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
- C08G18/3819—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen
- C08G18/3823—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen containing -N-C=O groups
- C08G18/3829—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen containing -N-C=O groups containing ureum groups
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7624154A FR2360619A1 (fr) | 1976-08-06 | 1976-08-06 | Fabrication de polyurethanes a partir d'uree |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES461400A1 true ES461400A1 (es) | 1978-05-16 |
Family
ID=9176651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES461400A Expired ES461400A1 (es) | 1976-08-06 | 1977-08-05 | Procedimiento de fabricacion de poliuretanos. |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE857516A (fr) |
| DE (1) | DE2735244A1 (fr) |
| ES (1) | ES461400A1 (fr) |
| FR (1) | FR2360619A1 (fr) |
| IT (1) | IT1085357B (fr) |
| NL (1) | NL7708573A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3332794A1 (de) * | 1983-09-10 | 1985-03-28 | Bayer Ag, 5090 Leverkusen | Verwendung von poly-hydroxyalkyl-mono-harnstoffen fuer pu-schaumstoffe, dispersionen der poly-hydroxyalkyl-mono-harnstoffe in polyolen, sowie neue tris-hydroxyalkyl-mono-harnstoffe |
| DE3608962A1 (de) * | 1985-10-08 | 1987-04-09 | Bayer Ag | Oligoharnstoffpolyole, daraus erhaltene polyetherpolyole und die verwendung dieser polyole im isocyanat-polyadditions-verfahren |
| CN116288794A (zh) * | 2022-11-21 | 2023-06-23 | 宁夏宁东泰和新材有限公司 | 一种酸性易染氨纶及其制备方法 |
-
1976
- 1976-08-06 FR FR7624154A patent/FR2360619A1/fr not_active Withdrawn
-
1977
- 1977-08-03 NL NL7708573A patent/NL7708573A/xx not_active Application Discontinuation
- 1977-08-04 DE DE19772735244 patent/DE2735244A1/de active Pending
- 1977-08-05 ES ES461400A patent/ES461400A1/es not_active Expired
- 1977-08-05 BE BE179929A patent/BE857516A/fr unknown
- 1977-08-05 IT IT2653977A patent/IT1085357B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| DE2735244A1 (de) | 1978-02-09 |
| FR2360619A1 (fr) | 1978-03-03 |
| BE857516A (fr) | 1978-02-06 |
| IT1085357B (it) | 1985-05-28 |
| NL7708573A (nl) | 1978-02-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES456177A1 (es) | Procedimiento para la obtencion de materiales espumados en poliisocianurato termoconformables. | |
| NO177353C (no) | Fremgangsmåte for fremstilling av et mykt, fleksibelt polyuretanskum, polyuretanskum oppnådd ved fremgangsmåten, samt forblandingsmateriale for fremstilling av polyuretaner | |
| DE3856094D1 (de) | Polyurethanschaumherstellung | |
| ES456903A1 (es) | Procedimiento para la preparacion de espumas poliuretanicas flexibles con blandura extremadamente elevada. | |
| GB1390702A (en) | Flexible cellular foam compositions having increased flame retardance | |
| ES449377A1 (es) | Procedimiento para la fabricacion de espumas de poliuretano rigidas o semirrigidas. | |
| IL65403A (en) | Fire retardant polyurethane foams | |
| GB1423239A (en) | Light-stable polyurethane foam | |
| GB1158787A (en) | Polyurethane Foams | |
| ES461400A1 (es) | Procedimiento de fabricacion de poliuretanos. | |
| DK0642543T3 (da) | Bøjelige, forbrændings-modificerede polyurethanskumstoffer | |
| GB1233614A (en) | Improvements in urethane polymers | |
| JPS5698222A (en) | Preparation of polyurethane foam having self-skin layer | |
| CA2035930A1 (fr) | Mousses rigides a alveoles substantiellement fermees renfermant de l'urethane, de l'uree et des groupements biuret et methode pour les obtenir | |
| GB908949A (en) | Improvements in or relating to the manufacture of polymers | |
| ES440116A1 (es) | Procedimiento para la obtencion de plasticos celulares de poliisocianurato. | |
| GB1339931A (en) | Process for preparing polyurethanes | |
| GB1158544A (en) | Improvements in or relating to the Manufacture of Polyurethane Foams | |
| GB1498506A (en) | Flexible cellular polyurethane foam compositions having increased flame retardance | |
| GB1098127A (en) | Polyurethanes | |
| ES403448A1 (es) | Procedimiento para la obtencion de materiales espumados du-ros, resistentes a la inflamacion. | |
| FR2381077A1 (fr) | Procede de fabrication de polyurethanes a partir d'uree | |
| GB1091629A (en) | Polyurethane foams | |
| ES367993A1 (es) | Un metodo para fabricar un poliuretano celular elastomericoresiliente. | |
| GB1389932A (en) | Flexible polyurethane foams |