IT1007567B - Polioli per espansi poliuretanici rigidi - Google Patents
Polioli per espansi poliuretanici rigidiInfo
- Publication number
- IT1007567B IT1007567B IT32392/73A IT3239273A IT1007567B IT 1007567 B IT1007567 B IT 1007567B IT 32392/73 A IT32392/73 A IT 32392/73A IT 3239273 A IT3239273 A IT 3239273A IT 1007567 B IT1007567 B IT 1007567B
- Authority
- IT
- Italy
- Prior art keywords
- polyols
- polyurethane foams
- rigid polyurethane
- rigid
- foams
- Prior art date
Links
- 229920005830 Polyurethane Foam Polymers 0.000 title 1
- 229920005862 polyol Polymers 0.000 title 1
- 150000003077 polyols Chemical class 0.000 title 1
- 239000011496 polyurethane foam 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
- C08G18/3825—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen containing -N-C=O groups containing amide 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
- 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)
- 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 |
|---|---|---|---|
| US38363573A | 1973-07-30 | 1973-07-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1007567B true IT1007567B (it) | 1976-10-30 |
Family
ID=23514020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT32392/73A IT1007567B (it) | 1973-07-30 | 1973-12-28 | Polioli per espansi poliuretanici rigidi |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS5034698A (it) |
| DE (1) | DE2435644A1 (it) |
| IT (1) | IT1007567B (it) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4409042A1 (de) * | 1994-03-17 | 1995-09-21 | Bayer Ag | Verfahren zur Herstellung von gegebenenfalls zellförmigen Polyurethanen und/oder Polyurethanharnstoffen |
| DE4434694C1 (de) * | 1994-09-28 | 1996-03-07 | Josef Lechner | Verwendung von Polyolderivaten als innere Trennmittel bei der Herstellung von Polyurethan-Formteilen |
-
1973
- 1973-12-28 IT IT32392/73A patent/IT1007567B/it active
-
1974
- 1974-03-19 JP JP49030692A patent/JPS5034698A/ja active Pending
- 1974-07-24 DE DE2435644A patent/DE2435644A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5034698A (it) | 1975-04-03 |
| DE2435644A1 (de) | 1975-02-20 |
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