MX3192E - Procedimiento mejorado para producir una espuma flexible de poliuretano - Google Patents
Procedimiento mejorado para producir una espuma flexible de poliuretanoInfo
- Publication number
- MX3192E MX3192E MX100267U MX10026775U MX3192E MX 3192 E MX3192 E MX 3192E MX 100267 U MX100267 U MX 100267U MX 10026775 U MX10026775 U MX 10026775U MX 3192 E MX3192 E MX 3192E
- Authority
- MX
- Mexico
- Prior art keywords
- parts
- weight
- equivalents
- active hydrogen
- nco
- Prior art date
Links
- 229920005830 Polyurethane Foam Polymers 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 239000011496 polyurethane foam Substances 0.000 title abstract 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 4
- 229910052739 hydrogen Inorganic materials 0.000 abstract 4
- 239000001257 hydrogen Substances 0.000 abstract 4
- 229920005906 polyester polyol Polymers 0.000 abstract 4
- 239000003153 chemical reaction reagent Substances 0.000 abstract 3
- 229920001228 polyisocyanate Polymers 0.000 abstract 3
- 239000005056 polyisocyanate Substances 0.000 abstract 3
- 239000006260 foam Substances 0.000 abstract 2
- 238000005187 foaming Methods 0.000 abstract 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 abstract 1
- 150000001412 amines Chemical class 0.000 abstract 1
- 229920001400 block copolymer Polymers 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000005755 formation reaction Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 abstract 1
- 229920000728 polyester Polymers 0.000 abstract 1
- 229920005862 polyol Polymers 0.000 abstract 1
- 150000003077 polyols Chemical class 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 1
- 239000003381 stabilizer Substances 0.000 abstract 1
- 239000007858 starting material Substances 0.000 abstract 1
- 230000008961 swelling Effects 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
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- 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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/045—Polysiloxanes containing less than 25 silicon atoms
-
- 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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/22—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
- C08G77/26—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen nitrogen-containing 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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/38—Polysiloxanes modified by chemical after-treatment
- C08G77/382—Polysiloxanes modified by chemical after-treatment containing atoms other than carbon, hydrogen, oxygen or silicon
- C08G77/388—Polysiloxanes modified by chemical after-treatment containing atoms other than carbon, hydrogen, oxygen or silicon containing nitrogen
-
- 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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/42—Block-or graft-polymers containing polysiloxane sequences
- C08G77/46—Block-or graft-polymers containing polysiloxane sequences containing polyether sequences
-
- 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
-
- 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
- C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Silicon Polymers (AREA)
- Polyurethanes Or Polyureas (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
La presente invención se refiere a un procedimiento mejorado para producir una espuma flexible de poliuretano, mediante una única operación, caracterizado porque consiste en hacer reaccionar y espumar simultáneamente una mezcla de reacción que contiene: un reactivo de poliol de poliéster que contiene un promedio de, por lo menos, dos grupos hidroxilo por molécula en la cual la proporción de los equivalentes -NCO totales del poliisocianato con respecto a los equivalentes de hidrógeno activo totales del poliol de poliéster es de 0.8 a 1.5 equivalentes de -NCO por equivalente de hidrógeno activo; un reactivo de poliisocianato que contiene, por lo menos, dos grupos isocianatos por molécula en la cual la proporción de los equivalentes -NCO totales del poliisocianato con respecto a los equivalentes de hidrógeno activo totales del poliol de poliéster es de 0.8 a 1.5 equivalente de -NCO por equivalente de hidrógeno activo; un agente hinchador de desde aproximadamente 1 hasta aproximadamente 30 partes en peso por 100 partes en peso del material de partida del poliol de poliéster; un catalizador de amina, de desde aproximadamente 0.2 hasta aproximadamente 8 partes en peso por 100 partes en peso del estabilizador que comprende copolímeros de bloque de polixiloxano-polixialquileno desde aproximadamente 0.15 hasta aproximadamente 4 partes en peso por 100 partes en peso del reactivo del poliol de poliéster en donde las reacciones de espumación y de formación de uretano se efectúan sin la aplicación de calor externo y la espuma resultante se cura mediante calentamiento de la espuma a una temperatura entre aproximadamente 150°C. durante aproximadamente 10 a aproximadamente 60 minutos.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/457,510 US3954824A (en) | 1974-04-03 | 1974-04-03 | Organosilicone polymers and polyester urethane foam produced therewith |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX3192E true MX3192E (es) | 1980-06-26 |
Family
ID=23817021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX100267U MX3192E (es) | 1974-04-03 | 1975-04-02 | Procedimiento mejorado para producir una espuma flexible de poliuretano |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3954824A (es) |
| JP (2) | JPS5335827B2 (es) |
| BE (1) | BE827481A (es) |
| CA (1) | CA1042455A (es) |
| DE (2) | DE2514384C3 (es) |
| FR (2) | FR2279795A1 (es) |
| GB (1) | GB1498251A (es) |
| IT (1) | IT1034796B (es) |
| MX (1) | MX3192E (es) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4058493A (en) * | 1974-12-27 | 1977-11-15 | Union Carbide Corporation | Polyester urethane foam produced with cyano-ether polysiloxane-polyoxyalkylene copolymers |
| US4045381A (en) * | 1975-12-29 | 1977-08-30 | Union Carbide Corporation | Organosilicone polymers |
| US4076695A (en) * | 1977-02-07 | 1978-02-28 | Dow Corning Corporation | Silicone containing reaction injection molded polyurethanes |
| US4331555A (en) * | 1980-09-29 | 1982-05-25 | Union Carbide Corporation | Use of organosiloxane compositions as foam stabilizers in flexible polyester polyurethane foam |
| US4349662A (en) * | 1981-05-13 | 1982-09-14 | Witco Chemical Corporation | Polyester resins for polyurethane foams prepared by reacting two diacids, diethylene glycol, a poly(oxyethylene) glycol and a cross-linking polyol |
| US4546154A (en) * | 1983-05-23 | 1985-10-08 | Ici Americas Inc. | Process for forming mold releasable polyurethane, polyurea and polyureaurethane resins using isocyanate reactive polysiloxanes as internal mold release agents |
| US4477366A (en) * | 1983-05-23 | 1984-10-16 | Ici Americas Inc. | Silicone surfactant/organofunctional polysiloxane internal mold release agents |
| JPH0570542A (ja) * | 1991-09-04 | 1993-03-23 | Nichias Corp | 硬質ウレタンフオームの製造方法 |
| CN115894851B (zh) * | 2022-12-19 | 2023-11-24 | 江苏钟山新材料有限公司 | 一种皮革涂饰用有机硅改性水性聚氨酯的制备方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3185663A (en) * | 1953-12-31 | 1965-05-25 | Gen Electric | Cyanoalkyl polysiloxanes |
| US2872435A (en) * | 1956-08-15 | 1959-02-03 | Dow Corning | (cyanoalkoxy) alkyl substituted organosilicon compounds |
| US3026278A (en) * | 1957-11-29 | 1962-03-20 | Union Carbide Corp | Cyanoalkylsiloxane copolymers |
-
1974
- 1974-04-03 US US05/457,510 patent/US3954824A/en not_active Expired - Lifetime
-
1975
- 1975-03-21 CA CA222,986A patent/CA1042455A/en not_active Expired
- 1975-04-02 DE DE2514384A patent/DE2514384C3/de not_active Expired
- 1975-04-02 BE BE155025A patent/BE827481A/xx not_active IP Right Cessation
- 1975-04-02 GB GB13538/75A patent/GB1498251A/en not_active Expired
- 1975-04-02 MX MX100267U patent/MX3192E/es unknown
- 1975-04-02 IT IT21941/75A patent/IT1034796B/it active
- 1975-04-02 JP JP3931075A patent/JPS5335827B2/ja not_active Expired
- 1975-04-02 DE DE2559429A patent/DE2559429C3/de not_active Expired
- 1975-04-02 FR FR7510272A patent/FR2279795A1/fr active Granted
- 1975-11-14 FR FR7534912A patent/FR2279796A1/fr active Granted
-
1978
- 1978-03-27 JP JP3426178A patent/JPS5452198A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS50135158A (es) | 1975-10-27 |
| BE827481A (fr) | 1975-10-02 |
| IT1034796B (it) | 1979-10-10 |
| DE2559429A1 (de) | 1976-08-26 |
| DE2559429B2 (de) | 1980-04-24 |
| CA1042455A (en) | 1978-11-14 |
| FR2279796B1 (es) | 1981-12-24 |
| DE2514384C3 (de) | 1979-02-08 |
| DE2559429C3 (de) | 1980-12-18 |
| US3954824A (en) | 1976-05-04 |
| FR2279795A1 (fr) | 1976-02-20 |
| GB1498251A (en) | 1978-01-18 |
| DE2514384B2 (de) | 1978-06-15 |
| JPS5335827B2 (es) | 1978-09-29 |
| FR2279796A1 (fr) | 1976-02-20 |
| JPS5452198A (en) | 1979-04-24 |
| DE2514384A1 (de) | 1975-10-09 |
| JPS5634167B2 (es) | 1981-08-08 |
| FR2279795B1 (es) | 1981-09-25 |
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