[go: up one dir, main page]

BR9002195A - Processo para preparar uma espuma a base de poliisocianato rigida de celula fechada,espuma a base de poliisocianato rigida de celula fechada e composicao reativa de isocianato - Google Patents

Processo para preparar uma espuma a base de poliisocianato rigida de celula fechada,espuma a base de poliisocianato rigida de celula fechada e composicao reativa de isocianato

Info

Publication number
BR9002195A
BR9002195A BR909002195A BR9002195A BR9002195A BR 9002195 A BR9002195 A BR 9002195A BR 909002195 A BR909002195 A BR 909002195A BR 9002195 A BR9002195 A BR 9002195A BR 9002195 A BR9002195 A BR 9002195A
Authority
BR
Brazil
Prior art keywords
polyisocianate
foam
closed cell
cell rigid
mole percent
Prior art date
Application number
BR909002195A
Other languages
English (en)
Inventor
Guido Freddy Smits
Henri Jacobus Maria Grunbauer
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of BR9002195A publication Critical patent/BR9002195A/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12Working-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
    • C08J9/14Working-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
    • C08J9/143Halogen containing compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12Working-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
    • C08J9/14Working-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
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04Polyurethanes

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)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
BR909002195A 1989-05-10 1990-05-08 Processo para preparar uma espuma a base de poliisocianato rigida de celula fechada,espuma a base de poliisocianato rigida de celula fechada e composicao reativa de isocianato BR9002195A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/350,184 US4945119A (en) 1989-05-10 1989-05-10 Foaming system for rigid urethane and isocyanurate foams

Publications (1)

Publication Number Publication Date
BR9002195A true BR9002195A (pt) 1991-08-13

Family

ID=23375568

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909002195A BR9002195A (pt) 1989-05-10 1990-05-08 Processo para preparar uma espuma a base de poliisocianato rigida de celula fechada,espuma a base de poliisocianato rigida de celula fechada e composicao reativa de isocianato

Country Status (16)

Country Link
US (1) US4945119A (pt)
EP (1) EP0398147B1 (pt)
JP (1) JP3072847B2 (pt)
KR (1) KR0155549B1 (pt)
AT (1) ATE113973T1 (pt)
AU (1) AU625203B2 (pt)
BR (1) BR9002195A (pt)
CA (1) CA2016329C (pt)
DD (1) DD294269A5 (pt)
DE (1) DE69013975T2 (pt)
ES (1) ES2063192T3 (pt)
IE (1) IE66821B1 (pt)
MX (1) MX166374B (pt)
NO (1) NO178502C (pt)
NZ (1) NZ233596A (pt)
TW (1) TW204358B (pt)

Families Citing this family (96)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5688834A (en) * 1991-08-30 1997-11-18 Alliedsignal, Inc. Catalysts which stabilize hydrohalocarbon blowing agent in polyurethane foam formulations
US5001164A (en) * 1988-08-19 1991-03-19 The Dow Chemical Company Polyurethane foam prepared with reduced levels of hard halocarbon blowing agents
DE3903336A1 (de) * 1989-02-04 1990-08-09 Bayer Ag Verwendung von c(pfeil abwaerts)3(pfeil abwaerts)- bis c(pfeil abwaerts)5(pfeil abwaerts)-polyfluoralkanen als treibgase
US5084190A (en) * 1989-11-14 1992-01-28 E. I. Du Pont De Nemours And Company Fire extinguishing composition and process
US5120770A (en) * 1989-11-29 1992-06-09 Doyle Earl N Use of liquid carbon dioxide as a blowing agent in the production of open-cell polyurethane foam
EP0432672B1 (de) * 1989-12-12 1997-03-19 SOLVAY (Société Anonyme) Verfahren zur Herstellung von Schaumstoffen mit Hilfe von Fluoralkanen
US5049301A (en) * 1989-12-20 1991-09-17 Allied-Signal Inc. Azeotrope-like compositions of 1,1-dichloro-1-fluoroethane; dichlorotrifluoroethane; and methyl formate
IL97065A (en) * 1990-02-02 1994-01-25 Fisons Plc Repellent preparations for aerosol
FR2657877B1 (fr) * 1990-02-07 1992-05-15 Atochem Composition nettoyante a base de 1,1-dichloro-1-fluoroethane, de formiate de methyle et de methanol.
FR2657876B1 (fr) * 1990-02-07 1992-05-15 Atochem Composition nettoyante a base de 1,1-dichloro-1-fluoroethane et de formiate de methyle.
EP0521877A1 (en) * 1990-03-23 1993-01-13 E.I. Du Pont De Nemours And Company Polymer foams containing gas barrier resins
AU7312491A (en) * 1990-03-23 1991-10-21 E.I. Du Pont De Nemours And Company Polymer foams containing blocking agents
US6121337A (en) * 1990-03-23 2000-09-19 E. I. Du Pont De Nemours And Company Compositions containing 1,1,2,2-tetrafluoroethane (HFC-134) for closed-cell polymer foam production
EP0526477B1 (en) * 1990-04-25 1994-12-14 E.I. Du Pont De Nemours And Company Halocarbon blends
US5262077A (en) * 1990-04-25 1993-11-16 E. I. Du Pont De Nemours And Company Halocarbon blends
US5039442A (en) * 1990-06-05 1991-08-13 Allied-Signal Inc. Azeotrope-like compositions of 1,1-dichloro-1-fluoroethane, dichloromethane and optionally alkanol
US5124366A (en) * 1990-11-05 1992-06-23 The Celotex Corporation Polyisocyanurate foams made with polyester polyols and chlorodifluoromethane as a blowing agent
US5286759A (en) * 1991-03-08 1994-02-15 The Dow Chemical Company Foaming system for rigid urethane and isocyanurate foams
SK140493A3 (en) * 1991-06-10 1994-10-05 Schering Corp Non-chlorofluorocarbon aerosol formulations
DE4121161A1 (de) * 1991-06-27 1993-01-07 Basf Ag Verfahren zur herstellung von urethan- oder urethan- und isocyanuratgruppen enthaltenden hartschaumstoffen und treibmittel enthaltende emulsionen hierfuer
US5254601A (en) * 1991-09-20 1993-10-19 Miles Inc. HCEC blown rigid foams with low thermal conductivity
US5272183A (en) * 1991-09-20 1993-12-21 Miles Inc. HCFC blown rigid foams with low thermal conductivity
US5308885A (en) * 1991-09-20 1994-05-03 Miles Inc. HCFC blown rigid foams with low thermal conductivity
US7101534B1 (en) 1991-12-18 2006-09-05 3M Innovative Properties Company Suspension aerosol formulations
US7105152B1 (en) 1991-12-18 2006-09-12 3M Innovative Properties Company Suspension aerosol formulations
EP1086688B1 (en) 1991-12-18 2004-03-03 Minnesota Mining And Manufacturing Company Suspension aerosol formulations
WO1993019117A1 (en) * 1992-03-26 1993-09-30 Great Lakes Chemical Corporation Azeotrope-like compositions of 1,1,1,2,3,3,3-heptafluoropropane and 1,1-difluoroethane
US5248433A (en) * 1992-04-30 1993-09-28 E. I. Du Pont De Nemours And Company Binary azeotropic mixtures of octafluoropropane and fluoroethane
CA2107274C (en) * 1992-12-31 1998-11-03 Valeri L. Valoppi 1,1,1,2-tetrafluoroethane as a blowing agent in integral skin polyurethane shoe soles
ZA941898B (en) * 1993-03-19 1994-10-18 Great Lakes Chemical Corp Azeotrope-like compositions of 1,1,1,2,3,3,3-heptafluoropropane and 1,1-difluoroethane
US5278196A (en) * 1993-03-25 1994-01-11 Great Lakes Chemical Corp. Hydrofluorocarbon compositions as blowing agents for cellular plastics
US5492688A (en) * 1993-04-28 1996-02-20 The Center For Innovative Technology Metered dose inhaler fomulations which include the ozone-friendly propellant HFC 134a and a pharmaceutically acceptable suspending, solubilizing, wetting, emulsifying or lubricating agent
US5430071A (en) * 1994-07-08 1995-07-04 Basf Corporation Dimensionally stable closed cell rigid polyisocyanate based foam prepared from a froth foaming mixture
US5451615A (en) * 1994-10-20 1995-09-19 The Dow Chemical Company Process for preparing polyurethane foam in the presence of a hydrocarbon blowing agent
US6355700B1 (en) * 1994-11-24 2002-03-12 Matsushita Refrigeration Company Foamed thermal insulating material and insulated structure
US5470891A (en) * 1995-04-10 1995-11-28 Basf Corporation Dimensionally stable closed cell rigid polyisocyanate based foam prepared from a froth foaming mixture
US5688833A (en) * 1996-07-11 1997-11-18 Alliedsignal Inc. Azeotrope-like compositions of 1 1 1 3 3-pentafluoropropane and 1 1-dichloro-1-fluoroethane
US5840212A (en) * 1996-10-23 1998-11-24 Bayer Corporation Rigid foams with improved insulation properties and a process for the production of such foams
AU3827999A (en) * 1998-05-21 1999-12-13 Huntsman Ici Chemicals Llc Hydrocarbon blown rigid polyurethane foams having improved flammability performance
ES2237939T3 (es) 1998-09-10 2005-08-01 Dow Global Technologies Inc. Polioles utiles para preparar espuma de poliuretano rigida insuflada con agua.
US5958992A (en) * 1998-11-24 1999-09-28 Elf Atochem North America, Inc. Blowing agent blends
US6403663B1 (en) 1999-09-20 2002-06-11 North Carolina State University Method of making foamed materials using surfactants and carbon dioxide
US20050096246A1 (en) 2003-11-04 2005-05-05 Johnson Robert C. Solvent compositions containing chlorofluoroolefins
GB0208742D0 (en) 2002-04-17 2002-05-29 Bradford Particle Design Ltd Particulate materials
US6495722B1 (en) 2001-09-17 2002-12-17 Huntsman Petrochemical Corporation Mannich polyols for rigid spray foams
US7329786B2 (en) 2001-09-28 2008-02-12 Great Lakes Chemical Corporation Processes for producing CF3CFHCF3
US6753357B2 (en) * 2001-12-18 2004-06-22 Foam Supplies, Inc. Rigid foam compositions and method employing methyl formate as a blowing agent
US7582284B2 (en) * 2002-04-17 2009-09-01 Nektar Therapeutics Particulate materials
US8033120B2 (en) * 2002-10-25 2011-10-11 Honeywell International Inc. Compositions and methods containing fluorine substituted olefins
US7833433B2 (en) 2002-10-25 2010-11-16 Honeywell International Inc. Heat transfer methods using heat transfer compositions containing trifluoromonochloropropene
US7279451B2 (en) * 2002-10-25 2007-10-09 Honeywell International Inc. Compositions containing fluorine substituted olefins
AU2015200222B2 (en) * 2002-10-25 2016-05-26 Honeywell International, Inc Compositions containing flourine substituted olefins
CA2503421C (en) * 2002-10-25 2015-01-06 Rajiv R. Singh Compositions containing fluorine substituted olefins
US9796848B2 (en) 2002-10-25 2017-10-24 Honeywell International Inc. Foaming agents and compositions containing fluorine substituted olefins and methods of foaming
AU2013202894B2 (en) * 2002-10-25 2014-09-25 Honeywell International, Inc. Compositions containing flourine substituted olefins
US9005467B2 (en) 2003-10-27 2015-04-14 Honeywell International Inc. Methods of replacing heat transfer fluids
US20040089839A1 (en) * 2002-10-25 2004-05-13 Honeywell International, Inc. Fluorinated alkene refrigerant compositions
US20090253820A1 (en) * 2006-03-21 2009-10-08 Honeywell International Inc. Foaming agents and compositions containing fluorine sustituted olefins and methods of foaming
US20040082675A1 (en) * 2002-10-28 2004-04-29 Schilling Steven L. Rigid foams and a process for the production of such foams
US20050038302A1 (en) * 2003-08-13 2005-02-17 Hedrick Vicki E. Systems and methods for producing fluorocarbons
US7524805B2 (en) 2004-04-29 2009-04-28 Honeywell International Inc. Azeotrope-like compositions of tetrafluoropropene and hydrofluorocarbons
US9499729B2 (en) * 2006-06-26 2016-11-22 Honeywell International Inc. Compositions and methods containing fluorine substituted olefins
US20180161076A1 (en) 2003-10-27 2018-06-14 Honeywell International Inc. Foaming agents and compositions containing fluorine substituted olefins, and methods of foaming
US7655610B2 (en) * 2004-04-29 2010-02-02 Honeywell International Inc. Blowing agent compositions comprising fluorinated olefins and carbon dioxide
US8008244B2 (en) 2004-04-29 2011-08-30 Honeywell International Inc. Compositions of tetrafluoropropene and hydrocarbons
AU2012202525B2 (en) * 2004-04-29 2014-08-14 Honeywell International, Inc. Compositions containing fluorine substituted olefins
AU2014277871B2 (en) * 2004-04-29 2016-06-30 Honeywell International, Inc. Compositions containing fluorine substituted olefins
US7629306B2 (en) 2004-04-29 2009-12-08 Honeywell International Inc. Compositions comprising tetrafluoropropene and carbon dioxide
AU2013203638B2 (en) * 2004-04-29 2014-09-25 Honeywell International, Inc. Compositions containing fluorine substituted olefins
US20050277701A1 (en) * 2004-06-15 2005-12-15 Honeywell International Inc. Process for making polyurethane and polyisocyanurate foams using mixtures of a hydrofluorocarbon and methyl formate as a blowing agent
US20220389297A1 (en) 2005-03-04 2022-12-08 The Chemours Company Fc, Llc Compositions comprising a fluoroolefin
US7569170B2 (en) 2005-03-04 2009-08-04 E.I. Du Pont De Nemours And Company Compositions comprising a fluoroolefin
US8420706B2 (en) * 2005-06-24 2013-04-16 Honeywell International Inc. Foaming agents, foamable compositions, foams and articles containing halogen substituted olefins, and methods of making same
TWI645031B (zh) * 2005-06-24 2018-12-21 哈尼威爾國際公司 含有經氟取代之烯烴之組合物及其用途
US8574451B2 (en) * 2005-06-24 2013-11-05 Honeywell International Inc. Trans-chloro-3,3,3-trifluoropropene for use in chiller applications
WO2007053673A2 (en) 2005-11-01 2007-05-10 E. I. Du Pont De Nemours And Company Solvent compositions comprising unsaturated fluorinated hydrocarbons
US20070098646A1 (en) 2005-11-01 2007-05-03 Nappa Mario J Aerosol propellants comprising unsaturated fluorocarbons
US9000061B2 (en) 2006-03-21 2015-04-07 Honeywell International Inc. Foams and articles made from foams containing 1-chloro-3,3,3-trifluoropropene (HFCO-1233zd)
JP5825757B2 (ja) 2007-02-11 2015-12-02 マップ・ファーマシューティカルズ・インコーポレイテッド 副作用プロファイルを最小限にしながら片頭痛の迅速な緩和を可能にするdheの治療上の投与方法
KR20150059799A (ko) 2007-04-27 2015-06-02 이 아이 듀폰 디 네모아 앤드 캄파니 Z-1,1,1,4,4,4-헥사플루오로-2-부텐의 공비 및 공비-유사 조성물
US7972525B2 (en) 2007-06-06 2011-07-05 E. I. Du Pont De Nemours And Company Azeotropic and azeotrope-like compositions of E-1,1,1,4,4,4-hexafluoro-2-butene
JP5530929B2 (ja) 2007-09-06 2014-06-25 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー E−1,1,1,4,4,5,5,5−オクタフルオロ−2−ペンテンの共沸および共沸混合物様組成物
US8512591B2 (en) 2007-10-12 2013-08-20 Mexichem Amanco Holding S.A. De C.V. Heat transfer compositions
US8628681B2 (en) 2007-10-12 2014-01-14 Mexichem Amanco Holding S.A. De C.V. Heat transfer compositions
US8333901B2 (en) 2007-10-12 2012-12-18 Mexichem Amanco Holding S.A. De C.V. Heat transfer compositions
GB201002625D0 (en) 2010-02-16 2010-03-31 Ineos Fluor Holdings Ltd Heat transfer compositions
EP2215154B1 (en) 2007-11-29 2017-12-20 The Chemours Company FC, LLC Compositions and use of cis-1,1,1,4,4,4-hexafluoro-2-butene foam-forming composition in the preparation of polyisocyanate-based foams
CA2708274C (en) * 2007-12-19 2016-10-18 E. I. Du Pont De Nemours And Company Foam-forming compositions containing azeotropic or azeotrope-like mixtures containing z-1,1,1,4,4,4-hexafluoro-2-butene and their uses in the preparation of polyisocyanate-based foams
JP2012508778A (ja) * 2008-11-13 2012-04-12 ゾルファイ フルーオル ゲゼルシャフト ミット ベシュレンクテル ハフツング ヒドロフルオロオレフィン、ヒドロフルオロオレフィンの製造およびヒドロフルオロオレフィンを用いる方法
EP4219645A1 (en) 2009-09-09 2023-08-02 Honeywell International, Inc. Monochlorotrifluoropropene compounds and compositions and methods using same
GB201002622D0 (en) 2010-02-16 2010-03-31 Ineos Fluor Holdings Ltd Heat transfer compositions
US8821749B2 (en) 2010-04-26 2014-09-02 E I Du Pont De Nemours And Company Azeotrope-like compositions of E-1,1,1,4,4,4-hexafluoro-2-butene and 1-chloro-3,3,3-trifluoropropene
GB2480513B (en) 2010-05-20 2013-01-02 Mexichem Amanco Holding Sa Heat transfer compositions
WO2011144908A2 (en) 2010-05-20 2011-11-24 Mexichem Amanco Holding S.A. De C.V. Heat transfer compositions
GB2481443B (en) 2010-06-25 2012-10-17 Mexichem Amanco Holding Sa Heat transfer compositions
US10330364B2 (en) 2014-06-26 2019-06-25 Hudson Technologies, Inc. System and method for retrofitting a refrigeration system from HCFC to HFC refrigerant

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3391093A (en) * 1959-04-01 1968-07-02 Gen Tire & Rubber Co Polyester-polyurethane foams and method of making same
US3583921A (en) 1967-03-01 1971-06-08 Colgate Palmolive Co Aerosol shaving creams pressurized with mixtures of water-soluble and water-insoluble halogenated hydrocarbon propellants
US3745203A (en) * 1971-08-19 1973-07-10 Cincinnati Milling Machine Co Process for molding polyurethane utilizing a mixture of two blowing agents
US4055521A (en) * 1975-10-08 1977-10-25 Allied Chemical Corporation Constant boiling ternary compositions and the process for using such compositions in the preparation of polyurethane foam
DE2738719A1 (de) * 1977-08-27 1979-03-08 Bayer Ag Verfahren zur herstellung von geschaeumten kunststoffen
US4636529A (en) * 1985-05-13 1987-01-13 Pennwalt Corporation Polyurethane foams from isocyanate, polyester polyol and chlorodifluoromethane
US4624970A (en) 1985-05-16 1986-11-25 Allied Corporation Foaming system for rigid urethane and isocyanurate foams based on polyethers and aromatic polyester polyols
BR8900726A (pt) * 1988-02-22 1989-10-17 Du Pont Processo para preparacao de uma mistura util na fabricacao de espuma de poliuretano,e espuma de poliuretano
US5001164A (en) * 1988-08-19 1991-03-19 The Dow Chemical Company Polyurethane foam prepared with reduced levels of hard halocarbon blowing agents

Also Published As

Publication number Publication date
JP3072847B2 (ja) 2000-08-07
IE66821B1 (en) 1996-02-07
IE901682L (en) 1990-11-10
NO178502C (no) 1996-04-10
NZ233596A (en) 1993-03-26
US4945119A (en) 1990-07-31
EP0398147A2 (en) 1990-11-22
JPH0491140A (ja) 1992-03-24
DE69013975T2 (de) 1995-03-16
NO902045L (no) 1990-11-12
DE69013975D1 (de) 1994-12-15
KR900018191A (ko) 1990-12-20
AU5482790A (en) 1990-11-15
ATE113973T1 (de) 1994-11-15
NO178502B (no) 1996-01-02
DD294269A5 (de) 1991-09-26
KR0155549B1 (ko) 1998-12-01
CA2016329A1 (en) 1990-11-10
TW204358B (pt) 1993-04-21
EP0398147B1 (en) 1994-11-09
ES2063192T3 (es) 1995-01-01
EP0398147A3 (en) 1991-03-20
MX166374B (es) 1993-01-05
CA2016329C (en) 2000-07-25
AU625203B2 (en) 1992-07-02
NO902045D0 (no) 1990-05-09

Similar Documents

Publication Publication Date Title
BR9002195A (pt) Processo para preparar uma espuma a base de poliisocianato rigida de celula fechada,espuma a base de poliisocianato rigida de celula fechada e composicao reativa de isocianato
EP0353061A3 (en) Blowing agents for polyurethane foam
AU2834892A (en) Expandable styrene polymers containing carbon dioxide as blowing agent
NZ233533A (en) Carbon dioxide blown integral skin foams made from polyisocyanate
AU2002239402A1 (en) Blowing agent composition and polymeric foam containing a normally-liquid hydrofluorocarbon and carbon dioxide
BR9408429A (pt) Processo para preparação de uma espuma de poliuretano na presença de um agente de insuflação de hidrocarbonetos
AU5004790A (en) Polyisocyanate based foam prepared with reduced levels of hard halocarbon blowing agents
ES2106568T3 (es) Proceso para la produccion de espumas rigidas de poliuretano.
PT95848A (pt) Processo para a preparacao de uma nova mistura azeotropica de baixo ponto de ebulicao a base de fluoroalcanos
ATE106377T1 (de) Gemische von dimethyläther und 1,1,1,2- tetrafluoräthan und deren verwendungen.
MX172760B (es) Composiciones azeotropicas de perfluoro 1,2-dimetilciclobutano con 1,1-dicloro-1-fluoroetano o diclorotrifluoroetano
BR9302695A (pt) Composicao de espuma de poliuretano,processo para preparar uma espuma de poliuretano e espuma de poliuretano
EP0255651A3 (en) Agent for treating factor viii resistant haemophilia-a and process for preparing it
FI940481A0 (fi) Mikrovaahdon vähentäminen ruiskutuksella levitetyssä vesipohjaisessa koostumuksessa
CA2114252A1 (en) Process for the production of rigid foams containing urethane and isocyanurate groups
DE69319984D1 (de) Stabilisierte Zusammensetzungen, die Fluorkohlenwasserstoffe enthalten, Vormischungen zur Herstellung von Polymerschäumen und erhaltene Polymerschäume
PT75644B (fr) Procede pour la stabilisation de melanges contennant des amines avec des groupes hydroxylo-aliphatiques primaires ou secondaires contre la reaction prematuree de masses de polyethers ou polyesters
ATE49984T1 (de) Verfahren zur herstellung eines zellularen werkstoffes auf der basis eines organischen polyisocyanatpraepolymers und eines wasser fixierenden zusatzstoffes, zellularer werkstoff und im verfahren geeignete zusammensetzung.
Samoilov The Use of Cutters, Tipped With Cutting Ceramics, in Lathe Machining
DE60016689D1 (de) Verfahren zur Herstellung von Polyurethan-Weichschaumstoffen mit niedriger Dichte
Voelker et al. Technology for the production of plates of foamed plastic material with high compressive strength
Lin et al. Microcellular Polyurethane Elastomers

Legal Events

Date Code Title Description
FB19 Grant procedure suspended (art. 19)
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 08/05/2010

B15K Others concerning applications: alteration of classification

Ipc: C08J 9/14 (2006.01)