BE857516A - Procede de fabrication de polyurethanes a partir de l'uree - Google Patents
Procede de fabrication de polyurethanes a partir de l'ureeInfo
- Publication number
- BE857516A BE857516A BE179929A BE179929A BE857516A BE 857516 A BE857516 A BE 857516A BE 179929 A BE179929 A BE 179929A BE 179929 A BE179929 A BE 179929A BE 857516 A BE857516 A BE 857516A
- Authority
- BE
- Belgium
- Prior art keywords
- urea
- manufacturing polyurethanes
- polyurethanes
- manufacturing
- 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
- C08G18/28—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
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 |
---|---|
BE857516A true BE857516A (fr) | 1978-02-06 |
Family
ID=9176651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE179929A BE857516A (fr) | 1976-08-06 | 1977-08-05 | Procede de fabrication de polyurethanes a partir de l'uree |
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 (2)
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 |
-
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 |
---|---|
FR2360619A1 (fr) | 1978-03-03 |
NL7708573A (nl) | 1978-02-08 |
ES461400A1 (es) | 1978-05-16 |
IT1085357B (it) | 1985-05-28 |
DE2735244A1 (de) | 1978-02-09 |
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