MX165720B - Procedimiento para preparar elastomero de poliuretano microcelular - Google Patents

Procedimiento para preparar elastomero de poliuretano microcelular

Info

Publication number
MX165720B
MX165720B MX004100A MX410086A MX165720B MX 165720 B MX165720 B MX 165720B MX 004100 A MX004100 A MX 004100A MX 410086 A MX410086 A MX 410086A MX 165720 B MX165720 B MX 165720B
Authority
MX
Mexico
Prior art keywords
oxide
polyurethane elastomer
microcellular polyurethane
preparing
procedure
Prior art date
Application number
MX004100A
Other languages
English (en)
Inventor
Robert Atis Markovs
Original Assignee
Basf Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Basf Corp filed Critical Basf Corp
Publication of MX165720B publication Critical patent/MX165720B/es

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
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4833—Polyethers containing oxyethylene units
    • C08G18/4837—Polyethers containing oxyethylene units and other oxyalkylene units
    • 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
    • C08G18/48—Polyethers
    • C08G18/4833—Polyethers containing oxyethylene units
    • C08G18/4837—Polyethers containing oxyethylene units and other oxyalkylene units
    • C08G18/4845—Polyethers containing oxyethylene units and other oxyalkylene units containing oxypropylene or higher oxyalkylene end 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
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6666—Compounds of group C08G18/48 or C08G18/52
    • C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0041—Foam properties having specified density
    • C08G2110/0066—≥ 150kg/m3
    • 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
    • C08G2120/00—Compositions for reaction injection moulding processes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/914—Polyurethane cellular product formed from a polyol which has been derived from at least two 1,2 epoxides as reactants

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

La presente invención se refiere a un procedimiento para la preparación de un elastómero de poliuretano microcelular moldeado por inyección de reacción, caracterizado porque consiste de reaccionar un poliisocianato orgánico, un poliol de poliéter de polioxialquileno que consiste de óxido de propileno u óxido de butileno y óxido de etileno, y un agente de alargamiento de cadena, en donde el poliol tiene una escala de peso molecular de aproximadamente 1000 a 6000 y una estructura de bloque de óxido de etileno ya sea hetérico o interno, que contiene de aproximadamente 7 por ciento a 40 por ciento en peso de óxido de etileno.
MX004100A 1985-10-22 1986-10-21 Procedimiento para preparar elastomero de poliuretano microcelular MX165720B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/790,290 US4738993A (en) 1985-10-22 1985-10-22 Rim microcellular polyurethane elastomer employing heteric or internal block ethylene oxide polyols

Publications (1)

Publication Number Publication Date
MX165720B true MX165720B (es) 1992-12-02

Family

ID=25150239

Family Applications (1)

Application Number Title Priority Date Filing Date
MX004100A MX165720B (es) 1985-10-22 1986-10-21 Procedimiento para preparar elastomero de poliuretano microcelular

Country Status (4)

Country Link
US (1) US4738993A (es)
CA (1) CA1269492A (es)
GB (1) GB2181736A (es)
MX (1) MX165720B (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8900041D0 (en) * 1988-12-31 1989-03-01 Univ Manchester Production of polyurethanes and polyurethane-ureas
US4950694A (en) * 1989-06-29 1990-08-21 Union Carbide Chemicals And Plastics Company Inc. Preparation of polyurethane foams without using inert blowing agents
DE4128588A1 (de) * 1991-08-28 1993-03-04 Braun Pebra Gmbh Verfahren zur herstellung disperser fluessigkeiten, die hydroxy- und/oder aminofunktionelle verbindungen enthalten sowie deren verwendung
GB2264501A (en) * 1992-02-28 1993-09-01 Basf Corp Poly(urethane-urea) microcellular elastomer compositions
US6103850A (en) * 1995-12-29 2000-08-15 Basf Corporation Sealants made using low unsaturation polyoxyalkylene polyether polyols
JP3910214B2 (ja) * 1996-06-27 2007-04-25 ハンツマン・インターナショナル・エルエルシー 微細セルエラストマーポリウレタンフォーム
US5872193A (en) * 1997-09-18 1999-02-16 Basf Corporation Polyisocyanate prepolymer compositions and soft elastomers prepared therefrom
AU2002257788B2 (en) 2001-05-21 2007-09-20 Huntsman International Llc Very soft polyurethane elastomer
US20180142063A1 (en) * 2015-05-08 2018-05-24 Basf Se Process for increasing the wetting rate of hydrophobic media with a wetting composition
WO2019224235A1 (de) * 2018-05-22 2019-11-28 Basf Polyurethanes Gmbh Polyurethanelastomer

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1054788A (es) * 1900-01-01
GB1034482A (en) * 1963-01-11 1966-06-29 Lankro Chem Ltd Improvements in or relating to polyethers and polyurethanes obtained therefrom
GB1124789A (en) * 1964-12-31 1968-08-21 Ici Ltd Improvements in or relating to polyurethanes
FR1487457A (fr) * 1966-05-26 1967-07-07 Naphtachimie Sa Mousses de polyuréthane
CH484219A (fr) * 1966-12-01 1970-01-15 Elekal Procédé de fabrication d'une mousse de polyuréthane souple et hydrophile
US3824199A (en) * 1967-07-31 1974-07-16 Upjohn Co Process for preparing self-skinned polyurethane foam
GB1286676A (en) * 1969-07-15 1972-08-23 Bp Chem Int Ltd Polyethers
US4190711A (en) * 1977-09-29 1980-02-26 Union Carbide Corporation Thermoplastic polyether polyurethane elastomers
US4239857A (en) * 1978-06-29 1980-12-16 Union Carbide Corporation Process for producing solid or microcellular polyurethane elastomers having improved green strength
DE2916485A1 (de) * 1979-04-24 1980-11-06 Bayer Ag Verfahren zur herstellung von elastischen formkoerpern
US4243760A (en) * 1979-05-23 1981-01-06 Texaco Development Corporation Reaction injection molded polyurethane
EP0044481B2 (de) * 1980-07-21 1987-03-11 Mobay Chemical Corporation Verfahren zur Herstellung elastischer geformter Gegenstände
US4301110A (en) * 1980-08-25 1981-11-17 Texaco Inc. Rim elastomers with improved heat distortion and tear properties
GB2084163B (en) * 1980-09-22 1984-02-22 Texaco Development Corp Reaction injection molded polyurethane
US4385133A (en) * 1982-06-07 1983-05-24 The Upjohn Company Novel compositions and process
US4525491A (en) * 1982-12-24 1985-06-25 Asahi Glass Company, Ltd. Process for producing a polyurethane elastomer by reaction injection molding
EP0132302A3 (en) * 1983-07-26 1986-07-30 Arco Chemical Technology, Inc. Polyether polyols from mixed initiators
US4487854A (en) * 1983-12-27 1984-12-11 Basf Wyandotte Corporation Polyoxyalkylene polyether polyols and polyurethane foams prepared therefrom
US4581386A (en) * 1985-05-23 1986-04-08 Mobay Chemical Corporation Internal mold release agent for use in reaction injection molding

Also Published As

Publication number Publication date
GB8625258D0 (en) 1986-11-26
US4738993A (en) 1988-04-19
CA1269492A (en) 1990-05-22
GB2181736A (en) 1987-04-29

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