MX9707173A - COMPOSICIONES DE TIPO AZEOTRaPICO DE 1,1,1,3,3-PENTAFLUOROPROPANO Y TETRAMETILSILANO. - Google Patents
COMPOSICIONES DE TIPO AZEOTRaPICO DE 1,1,1,3,3-PENTAFLUOROPROPANO Y TETRAMETILSILANO.Info
- Publication number
- MX9707173A MX9707173A MX9707173A MX9707173A MX9707173A MX 9707173 A MX9707173 A MX 9707173A MX 9707173 A MX9707173 A MX 9707173A MX 9707173 A MX9707173 A MX 9707173A MX 9707173 A MX9707173 A MX 9707173A
- Authority
- MX
- Mexico
- Prior art keywords
- tetramethylsilane
- pentafluoropropane
- azeotrope
- compositions
- percent
- 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
- C08J9/149—Mixtures of blowing agents covered by more than one of the groups C08J9/141 - C08J9/143
-
- 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
-
- 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)
- 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
Las composiciones azeotropicas constituidas por aproximadamente un 60 a aproximadamente un 78% en peso de 1,1,1,3,3-pentafluoropropano y aproximadamente un 22 a aproximadamente un 40% en peso de tetramatilsilano han resultado ser particularmente utiles como agentes insuflantes para la produccion de espumas de poliuretano.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/700,345 US5716541A (en) | 1996-09-23 | 1996-09-23 | Azeotrope-like compositions of 1,1,1,3,3 pentafluoropropane and tetramethylsilane |
US08700345 | 1996-09-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
MX9707173A true MX9707173A (es) | 1998-03-31 |
MXPA97007173A MXPA97007173A (es) | 1998-10-15 |
Family
ID=
Also Published As
Publication number | Publication date |
---|---|
US5854296A (en) | 1998-12-29 |
US5716541A (en) | 1998-02-10 |
CA2213897A1 (en) | 1998-03-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
MX9606334A (es) | Composiciones de tipo azeotropo de 1,1,1,3,3-pentafluoropropano y 2-metilbutano. | |
MY121090A (en) | Porous polymer particles | |
CA2009169A1 (en) | C3 to c5 polyfluoroalkanes propellants | |
DE69412856D1 (de) | Polyolzusammensetzungen sowie ihre verwendung zur herstellung von hochelastischen polyurethanschaumstoffen | |
AU2002239402A1 (en) | Blowing agent composition and polymeric foam containing a normally-liquid hydrofluorocarbon and carbon dioxide | |
FI974178A0 (fi) | Polypropensammansaettningar | |
IL143673A0 (en) | Compositions comprising 1,1,1,3,3-pentaflurobutane and use of said compositions | |
CA2229295A1 (en) | Use of block copolymers having linked siloxane blocks in the production of polyurethane foams | |
ATE201033T1 (de) | Gemische mit 1,1,1,3,3-pentafluorbutan | |
AU6362100A (en) | Derivatized polyurethane compositions and methods of making | |
ATE180811T1 (de) | Spritzbeständiger wässriger schaum, dessen herstellung und verwendung | |
CA2474873A1 (en) | Mixtures with 1,1,1,3,3-pentafluorobutane and 1,1,1,2,3,3,3-heptafluoropropane | |
MX9707173A (es) | COMPOSICIONES DE TIPO AZEOTRaPICO DE 1,1,1,3,3-PENTAFLUOROPROPANO Y TETRAMETILSILANO. | |
MX9704525A (es) | Composiciones azeotropicas de dimetoximetano y ciclopentano y su uso en la produccion de espumas. | |
AU3157701A (en) | Flame-resistant hr cold-moulded foam with reduced fume density and toxicity | |
TW374736B (en) | Polyol-blowing agent compositions with improved storage stability | |
PL322387A1 (en) | Azeotropic compositions of perfluorohexane or 1,1,1,4,4,4-hexaflurobutane or 1,3-dioxolane with hydrocarbons having 5 or 6 carbon atoms | |
MX9707172A (es) | COMPOSICIONES DE TIPO AZEOTRaPICO DE DIMETOXIMETANO, CICLOPENTANO Y 2-METILPENTANO Y SU USO EN LA PRODUCCIaN DE ESPUMAS. | |
DE69803793D1 (de) | Polyolformulierung | |
AU1481499A (en) | Bis(alkylamino)alkylether compounds and the use thereof | |
MX2023011575A (es) | Agentes de soplado que comprenden z-1-cloro-2,3,3,3-tetrafluoropen teno (hcfo-1224yd(z)). | |
MX9705668A (es) | Nuevos polieterpolioles, formulaciones de poliol que contienen estos polieterpolioles y su empleo para la fabricacion de espumas duras de poliuretano. | |
CA2303709A1 (en) | C3 to c5 polyfluoroalkanes propellants | |
MX9707279A (es) | Mortero aislante. | |
EP1683778A3 (en) | Azeotropes of CCIF2CCIFCF3 with HF, and use thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Grant or registration | ||
MM | Annulment or lapse due to non-payment of fees |