UST968002I4 - Polyurethane foam stabilized against scorch with a mixture of hydroquinone and a phosphite containing secondary antioxidant - Google Patents
Polyurethane foam stabilized against scorch with a mixture of hydroquinone and a phosphite containing secondary antioxidant Download PDFInfo
- Publication number
- UST968002I4 UST968002I4 US05/771,706 US77170677A UST968002I4 US T968002 I4 UST968002 I4 US T968002I4 US 77170677 A US77170677 A US 77170677A US T968002 I4 UST968002 I4 US T968002I4
- Authority
- US
- United States
- Prior art keywords
- mixture
- hydroquinone
- phosphite
- stabilized against
- secondary antioxidant
- 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.)
- Pending
Links
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 title abstract 8
- 239000000203 mixture Substances 0.000 title abstract 6
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 title abstract 4
- 229920005830 Polyurethane Foam Polymers 0.000 title abstract 2
- 239000003963 antioxidant agent Substances 0.000 title abstract 2
- 230000003078 antioxidant effect Effects 0.000 title abstract 2
- 239000011496 polyurethane foam Substances 0.000 title abstract 2
- 239000003381 stabilizer Substances 0.000 abstract 5
- 229920005862 polyol Polymers 0.000 abstract 4
- 150000003077 polyols Chemical class 0.000 abstract 4
- 239000004721 Polyphenylene oxide Substances 0.000 abstract 2
- 150000001412 amines Chemical class 0.000 abstract 2
- 229920000570 polyether Polymers 0.000 abstract 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 abstract 1
- 125000000217 alkyl group Chemical group 0.000 abstract 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- 239000007809 chemical reaction catalyst Substances 0.000 abstract 1
- 239000006260 foam Substances 0.000 abstract 1
- 239000004088 foaming agent Substances 0.000 abstract 1
- 229920001228 polyisocyanate Polymers 0.000 abstract 1
- 239000005056 polyisocyanate Substances 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
- C08J9/0014—Use of organic additives
- C08J9/0038—Use of organic additives containing phosphorus
-
- 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
- C08J9/0014—Use of organic additives
- C08J9/0023—Use of organic additives containing oxygen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
-
- 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)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Emergency Medicine (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
polyurethane foams are stabilized against scorching when a mixture of hydroquinone and a phosphite containing secondary antioxidant is present in a foam-forming mixture of an organic polyisocyanate with a polyether polyol in the presence of a reaction catalyst and a foaming agent. The proportion of hydroquinone to the phosphite is in the range of 10:1 to about 1:1. Especially advantageous results can be obtained by adding p,p'-dialkylphenylamines containing between 3 and 18 carbon atoms in the alkyl moiety to the above two stabilizers. When the amine is present the stabilizer mixture usually comprises between about 15 and 90% by weight of the amine and the rest of the stabilizer comprises the hydroquinone and the phosphite in the range relative to each other as given above. The proportion of the stabilizer mixture is usually between about 10 and about 50,000 parts per million parts of the polyether polyol. The stabilizer mixture is preferably mixed with the polyol before using the polyol in making urethane foams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/771,706 UST968002I4 (en) | 1977-02-24 | 1977-02-24 | Polyurethane foam stabilized against scorch with a mixture of hydroquinone and a phosphite containing secondary antioxidant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/771,706 UST968002I4 (en) | 1977-02-24 | 1977-02-24 | Polyurethane foam stabilized against scorch with a mixture of hydroquinone and a phosphite containing secondary antioxidant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| UST968002I4 true UST968002I4 (en) | 1978-03-07 |
Family
ID=25092706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US05/771,706 Pending UST968002I4 (en) | 1977-02-24 | 1977-02-24 | Polyurethane foam stabilized against scorch with a mixture of hydroquinone and a phosphite containing secondary antioxidant |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | UST968002I4 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4178420A (en) | 1978-07-21 | 1979-12-11 | Stauffer Chemical Company | Amine antioxidants as antiscorch agents in flame retarded polyurethane foams |
| EP0564259A3 (en) * | 1992-03-30 | 1994-01-19 | Arco Chem Tech | |
| US20110230579A1 (en) * | 2010-03-18 | 2011-09-22 | R.T. Vanderbilt Company, Inc. | Polyurethane Foam Scorch Inhibitor |
-
1977
- 1977-02-24 US US05/771,706 patent/UST968002I4/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4178420A (en) | 1978-07-21 | 1979-12-11 | Stauffer Chemical Company | Amine antioxidants as antiscorch agents in flame retarded polyurethane foams |
| EP0564259A3 (en) * | 1992-03-30 | 1994-01-19 | Arco Chem Tech | |
| US20110230579A1 (en) * | 2010-03-18 | 2011-09-22 | R.T. Vanderbilt Company, Inc. | Polyurethane Foam Scorch Inhibitor |
| US8716359B2 (en) | 2010-03-18 | 2014-05-06 | Vanderbilt Chemicals, Llc | Polyurethane foam scorch inhibitor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1263799C (en) | Method for the preparation of semi-rigid polyurethane modified polyurea foam compositions | |
| BE903147A (en) | POLYURETHANE FOAMS | |
| GB1123727A (en) | Polyurethanes and a method of making the same | |
| ES431891A1 (en) | Manufacture of membrane-free nonlustrous polyurethane foam | |
| CA2141735A1 (en) | Process for the production of hard polyurethane foams | |
| DE3563056D1 (en) | Use of sterically hindered aromatic diamines for the preparation of polyurethane foams | |
| ES8203925A1 (en) | Cellular elastomer foams and process for their preparation. | |
| UST968002I4 (en) | Polyurethane foam stabilized against scorch with a mixture of hydroquinone and a phosphite containing secondary antioxidant | |
| ES416044A1 (en) | Flexible cellular polyurethane foam compositions having increased flame retardance | |
| ATE72253T1 (en) | PROCESS FOR THE MANUFACTURE OF RIGID POLYURETHANE FOAM. | |
| CA2017053A1 (en) | Flexible polyurethane foams and process for preparing them | |
| ES453247A1 (en) | Preparation of polyurethane polyisocyanurate foams | |
| JPS5620019A (en) | Bis dimethylbenzyl diphenylamine antiscorching agent for halogenated phosphoric ester-containing polyurethane foam | |
| PL299633A1 (en) | Method of obtaining rigid foamed plastics containing urethane groups and excess of isocyanuric groups | |
| DE3366944D1 (en) | Improved polyurea foams | |
| ES446640A1 (en) | Process for the production of polyurethane foams | |
| GB1078897A (en) | A process for the production of polyurethane foam | |
| ES8504878A1 (en) | Stabilisation of polyether or polyester moulding compounds against premature reaction. | |
| GB1480392A (en) | Flame resistant polyurethane foam and process for producing the same | |
| ATE169039T1 (en) | METHOD FOR PRODUCING ISOCYANATE-BASED FOAM | |
| GB962951A (en) | Polyurethane plastics | |
| ATE143985T1 (en) | METHOD FOR PRODUCING HARD FOAM MATERIALS HAVING FLAME-PROOFTED URETHANE GROUPS | |
| GB1528288A (en) | Polyurethane foam | |
| GB1217091A (en) | Polyurethanes and process for the manufacture of polymethane foamed materials | |
| JPS5667331A (en) | Polyol composition |