ATE135723T1 - Verwendung von nitromethan, nitroethan und 1- nitropropan zur verhinderung des abbaus der in der herstellung von geschäumten polyurethanen und polyisocyanuraten als treibmittel benutzten fluorchlorkohlenwasserstoffe - Google Patents
Verwendung von nitromethan, nitroethan und 1- nitropropan zur verhinderung des abbaus der in der herstellung von geschäumten polyurethanen und polyisocyanuraten als treibmittel benutzten fluorchlorkohlenwasserstoffeInfo
- Publication number
- ATE135723T1 ATE135723T1 AT92106237T AT92106237T ATE135723T1 AT E135723 T1 ATE135723 T1 AT E135723T1 AT 92106237 T AT92106237 T AT 92106237T AT 92106237 T AT92106237 T AT 92106237T AT E135723 T1 ATE135723 T1 AT E135723T1
- Authority
- AT
- Austria
- Prior art keywords
- polyisocyanurates
- nitroethane
- nitropropane
- nitromethane
- degradation
- Prior art date
Links
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
- C08J9/12—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 physical blowing agent
- C08J9/14—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 physical blowing agent organic
- C08J9/143—Halogen containing compounds
- C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
- C07C17/42—Use of additives, e.g. for stabilisation
-
- 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)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polyurethanes Or Polyureas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITMI910989A IT1245864B (it) | 1991-04-11 | 1991-04-11 | Metodo per stabilizzare gli idroclorofluorocarburi |
| IT001861 IT1250644B (it) | 1991-07-05 | 1991-07-05 | Metodo per inibire la degradazione di idroclorofluorocarburi usati come agenti espandenti nella preparazione di poliuretani e poliisocianurati espansi. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE135723T1 true ATE135723T1 (de) | 1996-04-15 |
Family
ID=26330700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT92106237T ATE135723T1 (de) | 1991-04-11 | 1992-04-10 | Verwendung von nitromethan, nitroethan und 1- nitropropan zur verhinderung des abbaus der in der herstellung von geschäumten polyurethanen und polyisocyanuraten als treibmittel benutzten fluorchlorkohlenwasserstoffe |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5464882A (de) |
| EP (1) | EP0508449B1 (de) |
| JP (1) | JP3247144B2 (de) |
| AT (1) | ATE135723T1 (de) |
| BR (1) | BR9201324A (de) |
| CA (1) | CA2065885A1 (de) |
| DE (1) | DE69209121T2 (de) |
| ES (1) | ES2084862T3 (de) |
| SI (1) | SI9200047A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05222146A (ja) * | 1992-02-14 | 1993-08-31 | Daikin Ind Ltd | 硬質ポリウレタンフォームの製造法 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE621364A (de) * | 1961-03-10 | |||
| NL284875A (de) * | 1961-10-30 | |||
| US3352789A (en) * | 1964-01-10 | 1967-11-14 | Allied Chem | Stabilization of chlorofluoroalkanes |
| US3465052A (en) * | 1966-06-15 | 1969-09-02 | Daikin Ind Ltd | Stabilized chlorofluoroalkane compositions |
| JPS523006A (en) * | 1975-06-27 | 1977-01-11 | Asahi Glass Co Ltd | Process for stabilization of furon |
| DE3139401C2 (de) * | 1981-10-03 | 1985-12-12 | Hoechst Ag, 6230 Frankfurt | Stabilisieren von Polyether- oder Polyester-Formmassen gegen vorzeitige Reaktion |
| JPS6375020A (ja) * | 1986-09-18 | 1988-04-05 | Du Pont Mitsui Fluorochem Co Ltd | 硬質ポリウレタンフオ−ム用発泡剤組成物 |
| JP2525755B2 (ja) * | 1987-10-16 | 1996-08-21 | 三井・デュポンフロロケミカル株式会社 | 硬質ポリウレタンフオ―ム用発泡剤組成物 |
| JPH01128944A (ja) * | 1987-11-13 | 1989-05-22 | Asahi Glass Co Ltd | 水素含有フロンを安定化する方法 |
| JPH01128945A (ja) * | 1987-11-13 | 1989-05-22 | Asahi Glass Co Ltd | 水素含有フロンを安定化する方法 |
| JPH01211539A (ja) * | 1988-02-16 | 1989-08-24 | Asahi Glass Co Ltd | 水素含有フロンを安定化する方法 |
| JPH01211538A (ja) * | 1988-02-16 | 1989-08-24 | Asahi Glass Co Ltd | 水素含有フロンを安定化する方法 |
| JPH02279634A (ja) * | 1989-04-18 | 1990-11-15 | Asahi Glass Co Ltd | フッ素化炭化水素系共沸組成物及び共沸様組成物 |
| JPH0331222A (ja) * | 1989-06-28 | 1991-02-12 | Asahi Glass Co Ltd | 弗素化炭化水素系共沸及び擬共沸組成物 |
| US4997589A (en) * | 1989-12-15 | 1991-03-05 | Allied-Signal Inc. | Azeotrope-like compositions of 1,2-difluoroethane and dichlorotrifluoroethane |
| US5124503A (en) * | 1990-12-13 | 1992-06-23 | Allied-Signal Inc. | Dichlorotrifluoroethane stabilized to minimize hydrolysis thereof |
| US5137929A (en) * | 1991-06-21 | 1992-08-11 | Allied-Signal Inc. | Additives which stabilize hydrohalocarbon blowing agent in polyurethane and polyisocyanurate foam formulations during polymerization |
-
1992
- 1992-04-06 SI SI19929200047A patent/SI9200047A/sl unknown
- 1992-04-10 ES ES92106237T patent/ES2084862T3/es not_active Expired - Lifetime
- 1992-04-10 AT AT92106237T patent/ATE135723T1/de not_active IP Right Cessation
- 1992-04-10 DE DE69209121T patent/DE69209121T2/de not_active Expired - Fee Related
- 1992-04-10 EP EP92106237A patent/EP0508449B1/de not_active Expired - Lifetime
- 1992-04-10 BR BR929201324A patent/BR9201324A/pt not_active IP Right Cessation
- 1992-04-13 CA CA002065885A patent/CA2065885A1/en not_active Abandoned
- 1992-04-13 JP JP11962292A patent/JP3247144B2/ja not_active Expired - Fee Related
-
1994
- 1994-06-15 US US08/260,092 patent/US5464882A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP3247144B2 (ja) | 2002-01-15 |
| BR9201324A (pt) | 1992-12-01 |
| EP0508449B1 (de) | 1996-03-20 |
| CA2065885A1 (en) | 1992-10-12 |
| DE69209121D1 (de) | 1996-04-25 |
| DE69209121T2 (de) | 1996-09-26 |
| SI9200047A (en) | 1992-11-27 |
| EP0508449A1 (de) | 1992-10-14 |
| ES2084862T3 (es) | 1996-05-16 |
| JPH0687971A (ja) | 1994-03-29 |
| US5464882A (en) | 1995-11-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |