IT1085357B - Fabbricazione di poliuretani a partire da urea - Google Patents
Fabbricazione di poliuretani a partire da ureaInfo
- Publication number
- IT1085357B IT1085357B IT2653977A IT2653977A IT1085357B IT 1085357 B IT1085357 B IT 1085357B IT 2653977 A IT2653977 A IT 2653977A IT 2653977 A IT2653977 A IT 2653977A IT 1085357 B IT1085357 B IT 1085357B
- Authority
- IT
- Italy
- Prior art keywords
- urea
- manufacture
- polyurethanes
- starting
- polyurethanes starting
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title 1
- 239000004202 carbamide Substances 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 229920002635 polyurethane Polymers 0.000 title 1
- 239000004814 polyurethane Substances 0.000 title 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 |
|---|---|
| IT1085357B true IT1085357B (it) | 1985-05-28 |
Family
ID=9176651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT2653977A IT1085357B (it) | 1976-08-06 | 1977-08-05 | Fabbricazione di poliuretani a partire da urea |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE857516A (it) |
| DE (1) | DE2735244A1 (it) |
| ES (1) | ES461400A1 (it) |
| FR (1) | FR2360619A1 (it) |
| IT (1) | IT1085357B (it) |
| NL (1) | NL7708573A (it) |
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 IT IT2653977A patent/IT1085357B/it active
- 1977-08-05 ES ES461400A patent/ES461400A1/es not_active Expired
- 1977-08-05 BE BE179929A patent/BE857516A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES461400A1 (es) | 1978-05-16 |
| NL7708573A (nl) | 1978-02-08 |
| FR2360619A1 (fr) | 1978-03-03 |
| BE857516A (fr) | 1978-02-06 |
| DE2735244A1 (de) | 1978-02-09 |
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