ES2112957T3 - Procedimiento para la preparacion de espumas poliuretanicas flexibles de baja densidad y las espumas poliuretanicas obtenidas. - Google Patents
Procedimiento para la preparacion de espumas poliuretanicas flexibles de baja densidad y las espumas poliuretanicas obtenidas.Info
- Publication number
- ES2112957T3 ES2112957T3 ES93202042T ES93202042T ES2112957T3 ES 2112957 T3 ES2112957 T3 ES 2112957T3 ES 93202042 T ES93202042 T ES 93202042T ES 93202042 T ES93202042 T ES 93202042T ES 2112957 T3 ES2112957 T3 ES 2112957T3
- Authority
- ES
- Spain
- Prior art keywords
- polyurethane foams
- low density
- procedure
- preparation
- density flexible
- 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 - Lifetime
Links
- 229920005830 Polyurethane Foam Polymers 0.000 title abstract 3
- 239000011496 polyurethane foam Substances 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- JYYOBHFYCIDXHH-UHFFFAOYSA-N carbonic acid;hydrate Chemical compound O.OC(O)=O JYYOBHFYCIDXHH-UHFFFAOYSA-N 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 abstract 1
- 238000006068 polycondensation reaction Methods 0.000 abstract 1
- 239000005056 polyisocyanate Substances 0.000 abstract 1
- 229920001228 polyisocyanate Polymers 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/08—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
SE PRESENTA UN PROCESO PARA PREPARAR ESPUMAS DE POLIURETANO FLEXIBLE DE BAJA DENSIDAD, EN AUSENCIA DE AGENTES DE EXPANSION DEL TIPO DEL CLOROFLUOROALCANO, MEDIANTE LA POLICONDENSACION DE UN POLIISOCIANATO ORGANICO CON AL MENOS UN POLIOL DE UN PESO EQUIVALENTE QUE EXCEDA DE 50 Y UNA FUNCIONALIDAD IGUAL O MAYOR A 2, EN LA PRESENCIA DE UN SISTEMA DE EXPANSION QUE COMPRENDA AGUA Y CARBONATO DE DIMETIL (DMC).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITMI921782A IT1255357B (it) | 1992-07-23 | 1992-07-23 | Procedimento per la preparazione di schiume poliuretaniche flessibili a bassa densita' e schiume cosi' ottenute |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2112957T3 true ES2112957T3 (es) | 1998-04-16 |
Family
ID=11363719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES93202042T Expired - Lifetime ES2112957T3 (es) | 1992-07-23 | 1993-07-10 | Procedimiento para la preparacion de espumas poliuretanicas flexibles de baja densidad y las espumas poliuretanicas obtenidas. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5340845A (es) |
| EP (1) | EP0582328B1 (es) |
| AT (1) | ATE163301T1 (es) |
| DE (1) | DE69317021T2 (es) |
| DK (1) | DK0582328T3 (es) |
| ES (1) | ES2112957T3 (es) |
| GR (1) | GR3026380T3 (es) |
| IT (1) | IT1255357B (es) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2848584B2 (ja) | 1994-06-23 | 1999-01-20 | 日本製紙株式会社 | 水性樹脂組成物、その製造方法及び用途 |
| IT1315242B1 (it) * | 1999-10-12 | 2003-02-03 | Enichem Spa | Procedimento per la preparazione di schiume poliuretaniche flessibilia bassa densita'. |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4568702A (en) * | 1985-04-15 | 1986-02-04 | Atlantic Richfield Company | Method for the preparation of semi-rigid polyurethane modified polyurea foam compositions |
| IT1229756B (it) * | 1989-05-17 | 1991-09-10 | Montedipe Spa | Schiume poliuretaniche flessibili e procedimento per la loro preparazione |
| US5140052A (en) * | 1989-05-18 | 1992-08-18 | Akzo N.V. | Hydrolyzed dialkyl dicarbonates as blowing agents for polymers |
-
1992
- 1992-07-23 IT ITMI921782A patent/IT1255357B/it active IP Right Grant
-
1993
- 1993-07-10 ES ES93202042T patent/ES2112957T3/es not_active Expired - Lifetime
- 1993-07-10 AT AT93202042T patent/ATE163301T1/de not_active IP Right Cessation
- 1993-07-10 EP EP93202042A patent/EP0582328B1/en not_active Expired - Lifetime
- 1993-07-10 DE DE69317021T patent/DE69317021T2/de not_active Expired - Fee Related
- 1993-07-10 DK DK93202042T patent/DK0582328T3/da active
- 1993-07-21 US US08/095,723 patent/US5340845A/en not_active Expired - Fee Related
-
1998
- 1998-03-17 GR GR980400576T patent/GR3026380T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ITMI921782A0 (it) | 1992-07-23 |
| ATE163301T1 (de) | 1998-03-15 |
| DE69317021T2 (de) | 1998-08-27 |
| GR3026380T3 (en) | 1998-06-30 |
| DK0582328T3 (da) | 1998-09-28 |
| ITMI921782A1 (it) | 1994-01-23 |
| DE69317021D1 (de) | 1998-03-26 |
| EP0582328A1 (en) | 1994-02-09 |
| IT1255357B (it) | 1995-10-31 |
| EP0582328B1 (en) | 1998-02-18 |
| US5340845A (en) | 1994-08-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
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