FR2051948A5 - Self-extinguishing rigid polyurethane foams - Google Patents
Self-extinguishing rigid polyurethane foamsInfo
- Publication number
- FR2051948A5 FR2051948A5 FR6922384A FR6922384A FR2051948A5 FR 2051948 A5 FR2051948 A5 FR 2051948A5 FR 6922384 A FR6922384 A FR 6922384A FR 6922384 A FR6922384 A FR 6922384A FR 2051948 A5 FR2051948 A5 FR 2051948A5
- Authority
- FR
- France
- Prior art keywords
- self
- extinguishing
- rigid polyurethane
- polyurethane foams
- foams
- 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
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
-
- 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
- C08G18/40—High-molecular-weight compounds
- C08G18/54—Polycondensates of aldehydes
- C08G18/544—Polycondensates of aldehydes with nitrogen compounds
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)
Abstract
Self-extinguishing rigid polyurethane foams are prepd. by reacting the addn. cpds. of pref. 4 - 30 wt.% urea and 2 - 15 wt.% formaldehyde with 20 - 50 wt.% polyisocyanates in the pres. of 0 - 40 wt.% polyalcohols and water. The reaction mixture also conts. blowing agents and catalysts. These foams have excellent self-extinguishing props. and are used as thermal and sound insulation in buildings, tankers etc.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6922384A FR2051948A5 (en) | 1969-07-02 | 1969-07-02 | Self-extinguishing rigid polyurethane foams |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6922384A FR2051948A5 (en) | 1969-07-02 | 1969-07-02 | Self-extinguishing rigid polyurethane foams |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2051948A5 true FR2051948A5 (en) | 1971-04-09 |
Family
ID=9036778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6922384A Expired FR2051948A5 (en) | 1969-07-02 | 1969-07-02 | Self-extinguishing rigid polyurethane foams |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2051948A5 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0003437A1 (en) * | 1978-01-30 | 1979-08-08 | Imperial Chemical Industries Plc | Process for the manufacture of resin-modified polyurea foams |
-
1969
- 1969-07-02 FR FR6922384A patent/FR2051948A5/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0003437A1 (en) * | 1978-01-30 | 1979-08-08 | Imperial Chemical Industries Plc | Process for the manufacture of resin-modified polyurea foams |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |