BR7901878A - Aperfeicoamento em composicao de polimero/poliol,aperfeicoamento em processo para produzir uma composicao liquida de polimero/poliol,processo para produzir um elastomero de poliuretana,processo para produzir uma espuma de poliuretana e elastomero de poliuretana - Google Patents

Aperfeicoamento em composicao de polimero/poliol,aperfeicoamento em processo para produzir uma composicao liquida de polimero/poliol,processo para produzir um elastomero de poliuretana,processo para produzir uma espuma de poliuretana e elastomero de poliuretana

Info

Publication number
BR7901878A
BR7901878A BR7901878A BR7901878A BR7901878A BR 7901878 A BR7901878 A BR 7901878A BR 7901878 A BR7901878 A BR 7901878A BR 7901878 A BR7901878 A BR 7901878A BR 7901878 A BR7901878 A BR 7901878A
Authority
BR
Brazil
Prior art keywords
produce
polyol composition
polyurethane
polyurethane elastomer
polymer
Prior art date
Application number
BR7901878A
Other languages
English (en)
Inventor
N Shah
Original Assignee
Union Carbide 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 Union Carbide Corp filed Critical Union Carbide Corp
Publication of BR7901878A publication Critical patent/BR7901878A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F291/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups C08F251/00 - C08F289/00
    • C08F291/06—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups C08F251/00 - C08F289/00 on to oxygen-containing macromolecules
    • C08F291/08—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups C08F251/00 - C08F289/00 on to oxygen-containing macromolecules on to macromolecules containing hydroxy radicals
    • 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
    • C08G18/63—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
    • C08G18/636—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers characterised by the presence of a dispersion-stabiliser
    • 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
    • Y10S524/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S524/923—Treating or preparing a nonaqueous dispersion or emulsion of a solid polymer or specified intermediate condensation product

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Graft Or Block Polymers (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Polymerisation Methods In General (AREA)
BR7901878A 1978-03-29 1979-03-28 Aperfeicoamento em composicao de polimero/poliol,aperfeicoamento em processo para produzir uma composicao liquida de polimero/poliol,processo para produzir um elastomero de poliuretana,processo para produzir uma espuma de poliuretana e elastomero de poliuretana BR7901878A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/891,308 US4148840A (en) 1978-03-29 1978-03-29 Polymer/polyol compositions made from preformed polymer/polyols, processes for making same and processes for making polyurethane products therefrom

Publications (1)

Publication Number Publication Date
BR7901878A true BR7901878A (pt) 1979-11-20

Family

ID=25397950

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7901878A BR7901878A (pt) 1978-03-29 1979-03-28 Aperfeicoamento em composicao de polimero/poliol,aperfeicoamento em processo para produzir uma composicao liquida de polimero/poliol,processo para produzir um elastomero de poliuretana,processo para produzir uma espuma de poliuretana e elastomero de poliuretana

Country Status (14)

Country Link
US (1) US4148840A (pt)
JP (1) JPS54133599A (pt)
AR (1) AR222821A1 (pt)
AU (1) AU528892B2 (pt)
BE (1) BE875148A (pt)
BR (1) BR7901878A (pt)
CA (1) CA1145097A (pt)
DE (1) DE2912330C2 (pt)
ES (2) ES479016A1 (pt)
FR (1) FR2421193A1 (pt)
GB (1) GB2017720B (pt)
IT (1) IT1113310B (pt)
NL (1) NL186169C (pt)
SE (2) SE446876B (pt)

Families Citing this family (88)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4214055A (en) * 1978-11-17 1980-07-22 Union Carbide Corporation High resilience flame-retardant polyurethane foams based on polymer/polyol compositions
DE2915610A1 (de) * 1979-04-18 1980-10-30 Bayer Ag Verfahren zur herstellung von modifizierten polyetherpolyolen und deren verwendung in verfahren zur herstellung von polyurethankunststoffen
US4327005A (en) * 1980-08-18 1982-04-27 Basf Wyandotte Corporation Process for the preparation of stabilized polymer dispersions in polyol at low temperature
US4332716A (en) * 1980-12-10 1982-06-01 Union Carbide Corporation Polymer/polyisocyanate compositions, processes for making same and processes for making polyurethane products therefrom
US4539340A (en) * 1981-07-01 1985-09-03 Union Carbide Corporation Half-ester adducts and polymer-polyols useful in the preparation of improved plastics, including polyurethane foams, elastomers and the like
US4357430A (en) * 1981-10-02 1982-11-02 Union Carbide Corporation Polymer/polyols, methods for making same and polyurethanes based thereon
USRE32733E (en) * 1982-05-18 1988-08-16 Union Carbide Corporation Polymer/polyol compositions having improved combustion resistance
US4463107A (en) * 1982-05-18 1984-07-31 Union Carbide Corporation Polymer/polyol compositions having improved combustion resistance
US4493908A (en) * 1983-02-17 1985-01-15 The Dow Chemical Company Stable dispersions of polymers in polyfunctional compounds having a plurality of active hydrogens
US4594366A (en) * 1983-06-29 1986-06-10 Union Carbide Corporation Connected branched polyols and polyurethanes based thereon
US4554295A (en) * 1983-07-13 1985-11-19 Eastern Foam Products, Inc. Method for preparing flexible polyurethane foams from polymer/polyols and improved polyurethane foam product
US4661531A (en) * 1984-03-21 1987-04-28 Basf Corporation Process for preparing graft polymer dispersions and polyurethanes prepared therefrom
US4539339A (en) * 1984-09-27 1985-09-03 Texaco Inc. Polyurethane foams made from vinyl polymer polyols
US4539378A (en) * 1984-09-27 1985-09-03 Texaco Inc. Vinyl polymer polyols made using epoxy resin-modified polyols
US4652589A (en) * 1985-02-08 1987-03-24 Union Carbide Corporation Polymer/polyols having improved combustion resistance and intrinsic viscosity, methods of making same and polyurethanes prepared therefrom
US4623674A (en) 1985-06-21 1986-11-18 Union Carbide Corporation Polymer/polyols of substituted styrenes and polyurethanes made therefrom
ES8604286A1 (es) * 1985-07-12 1986-01-16 Alcudia Sa Procedimiento perfeccionado para la obtencion de copolimerosvinilicos en el seno de un compuesto polihidroxilico
US4785127A (en) * 1985-08-05 1988-11-15 Arco Chemical Company Vinyl polymer polyols made using partially alkoxylated polyoxyalkyleneamines
US4686240A (en) 1985-10-25 1987-08-11 Union Carbide Corporation Process for producing polyurethane foams using foam modifiers
IN167010B (pt) * 1985-12-23 1990-08-18 Kellogg M W Co
US4997857A (en) * 1986-09-30 1991-03-05 Arco Chemical Technology, Inc. Stabilizers for polymer/polyols
US4745153A (en) * 1986-12-17 1988-05-17 The Dow Chemical Company Low viscosity, high solids polymer polyols prepared using a preformed dispersant
US4797501A (en) * 1986-12-31 1989-01-10 Union Carbide Corporation Silicone-based stabilizers useful in the preparation of improved polyurethane foams
US4837247A (en) * 1988-05-24 1989-06-06 Arco Chemical Technology, Inc. Stable polymer polyols in base polyols with molecular weight greater than 4000 using high molecular weight dispersants
US5070141A (en) * 1988-07-29 1991-12-03 Arco Chemical Technology, Inc. Polyacrylate graft-polyol dispersants
US5021506A (en) * 1988-07-29 1991-06-04 Arco Chemical Technology, Inc. Polyol polyacrylate dispersants
BE1002597A3 (fr) * 1988-11-17 1991-04-09 New Carbochimique S A Copolymeres prestabilisants et stabilisants greffes, leur preparation, procede d'obtention de dispersions de polymeres-polyols et procede d'obtention de mousses de polyurethanne.
US4954561A (en) * 1989-06-30 1990-09-04 Union Carbide Chemicals And Plastics Company Inc. Stabilizers for polymer/polyols
US4954560A (en) * 1989-06-30 1990-09-04 Union Carbide Chemicals And Plastics Company Inc. Stable polymer/polyols made without macromonomer
US5068280A (en) * 1989-09-12 1991-11-26 The Dow Chemical Company Polyurethane and/or polyurea dispersions in active hydrogen-containing compositions
US5196476A (en) * 1990-06-12 1993-03-23 Arco Chemical Technology, L.P. Polymer/polyol and preformed stabilizer systems
US5104910A (en) * 1991-01-03 1992-04-14 The Dow Chemical Company Combustion-modified polyurethane foam
US5312847A (en) * 1993-03-16 1994-05-17 The Dow Chemical Company Polyurethane foam containing a particulate organic solid and a process for the preparation thereof
US5364906A (en) * 1993-08-20 1994-11-15 Arco Chemical Technology, L.P. Low viscosity polymer polyols with improved dispersion stability
US6521674B1 (en) * 1993-10-01 2003-02-18 Carpenter Co. Latex-like flexible polyurethane foam and process for making same
US5488085A (en) 1994-08-18 1996-01-30 Arco Chemical Technology, L.P. Semi-batch process for producing polymer polyols
BR9607155A (pt) * 1995-01-13 1997-11-11 Essex Specialty Prod Composição adesiva bicomponente processo para ligar dois substratos entre si
US5510054A (en) * 1995-06-29 1996-04-23 Dow Italia S.P.A. Polyurethane elastomer and foam exhibiting improved abrasion resistance
EP0768324B1 (en) * 1995-10-10 2000-08-16 Bayer Ag Continuous process for the preparation of highly stable, finely divided, low viscosity polymer polyols of small average particle size
AR005429A1 (es) * 1996-01-11 1999-06-23 Essex Specialty Prod Prepolimeros de poliuretano, composiciones adhesivas en un solo envase que incluyen dichos prepolimeros y procedimiento para adherir substratos con dichascomposiciones
US5922809A (en) * 1996-01-11 1999-07-13 The Dow Chemical Company One-part moisture curable polyurethane adhesive
US5852103A (en) * 1996-05-08 1998-12-22 Essex Specialty Products, Inc. Two-part moisture curable polyurethane adhesive
US6455603B1 (en) 1998-06-30 2002-09-24 Dow Global Technologies Inc. Polymer polyols and a process for the production thereof
US6172164B1 (en) 1999-04-01 2001-01-09 Basf Corporation Process for making graft polyols using t-amyl peroxy free radical initiator
US6756414B2 (en) 1999-07-30 2004-06-29 Sanyo Chemical Industries, Ltd. Polymer polyol composition, process for producing the same, and process for producing polyurethane resin
US6624209B2 (en) 1999-07-30 2003-09-23 Sanyo Chemical Industries, Ltd. Polymer polyol composition, process for producing the same, and process for producing polyurethane resin
WO2002012365A2 (en) 2000-08-07 2002-02-14 Dow Global Technologies Inc. One-part moisture curable polyurethane adhesive
US6833390B2 (en) * 2002-07-22 2004-12-21 Bayer Polymers Llc Process for preparing closed-cell water-blown rigid polyurethane foams having improved mechanical properties
US6855742B2 (en) * 2003-01-28 2005-02-15 Bayer Antwerp, N.V. Agents for reducing the force-to-crush (FTC) of high support flexible foams
US7179882B2 (en) * 2004-08-02 2007-02-20 Bayer Materialscience Llc Low viscosity polymer polyols
US7759423B2 (en) * 2004-08-02 2010-07-20 Bayer Materialscience Llc Polymer polyols with ultra-high solids contents
US20060229409A1 (en) * 2005-04-08 2006-10-12 Ilmenev Pavel E Method for preparing polyurethane dispersions
US20070060690A1 (en) 2005-09-09 2007-03-15 Bayer Materialscience Llc Low viscosity polymer polyols characterized by a high hydroxyl number
US7776969B2 (en) 2006-12-04 2010-08-17 Bayer Materialscience Llc Allophanate-modified stabilizers and the polymer polyols prepared from these stabilizers
CN101809086B (zh) 2007-09-28 2012-10-10 三洋化成工业株式会社 聚合物多元醇、其制造方法以及聚氨酯树脂的制造方法
JP4851503B2 (ja) * 2007-10-10 2012-01-11 三洋化成工業株式会社 微粒子分散ポリオールの製造方法及びポリウレタン樹脂の製造方法
US20090163613A1 (en) 2007-12-20 2009-06-25 Guelcher Scott A Polymer polyols with improved properties and a process for their production
CN101679587B (zh) * 2008-02-01 2014-03-12 陶氏环球技术有限责任公司 基于天然油的共聚物多元醇和由其制备的聚氨酯产品
CN102066446B (zh) * 2008-04-17 2013-12-04 陶氏环球技术有限责任公司 由可再生资源生产聚氨酯弹性体
US10239985B2 (en) 2008-12-23 2019-03-26 Covestro Llc Polymer polyols comprising a natural oil base polyol, polyurethane foams comprising these polymer polyols and processes for their preparation
GB0903717D0 (en) * 2009-03-04 2009-04-15 Innochem Ltd Flexible polyurethane foam
TW201129579A (en) * 2009-10-05 2011-09-01 Asahi Glass Co Ltd Polymer-dispersed polyol and method for manufacturing a soft polyurethane foam
US8946313B2 (en) 2011-12-16 2015-02-03 Bayer Materialscience Llc Hybrid PHD/PMPO polyols for polyurethane foam applications
US10066047B2 (en) 2012-02-02 2018-09-04 Covestro Llc Polyurethane foams with decreased aldehyde emissions, a process for preparing these foams and a method for decreasing aldehyde in polyurethane foams
US20130289150A1 (en) 2012-04-26 2013-10-31 Bayer Materialscience Ag Viscoelastic polyurethane foams
CN105121584B (zh) 2012-12-04 2017-09-26 汉高股份有限及两合公司 用于制备木质纤维素复合材料的粘合剂体系
US9163099B2 (en) 2013-03-08 2015-10-20 Bayer Materialscience Llc Polybutadiene modified polymer polyols, foams prepared from polybutadiene modified polymer polyols, and processes for the production thereof
US9649826B2 (en) 2013-08-15 2017-05-16 Henkel Ag & Co. Kgaa Adhesive system for preparing lignocellulosic composites
EP2848638B1 (en) 2013-09-11 2020-04-08 Henkel AG & Co. KGaA Adhesive system for lignocellulosic substrates having high levels of extractives
WO2015100128A1 (en) 2013-12-23 2015-07-02 Dow Global Technologies Llc Adhesive containing high solid copolymer polyol polyurethane prepolymer
EP2894180A1 (en) 2014-01-08 2015-07-15 Bayer MaterialScience AG Polymer Polyols comprising a Polyether Carbonate Polyol as the Base Polyol
US9951174B2 (en) 2015-05-20 2018-04-24 Covestro Llc Polyol compositions, a process for the production of these polyol compositions, and their use in the production of open celled polyurethane foams having high airflow
US10975215B2 (en) 2016-03-31 2021-04-13 Dow Global Technologies Llc Process making polymer polyol having monodisperse dispersed polymer particles
US10040903B2 (en) 2016-09-13 2018-08-07 Covestro Llc Polymer polyol quality
US10767008B2 (en) 2017-01-16 2020-09-08 Covestro Llc Polymer polyols comprising amine based polyether polyols and a process for preparing these polymer polyols
EP3363840A1 (en) 2017-02-17 2018-08-22 Henkel AG & Co. KGaA Two-component polyurethane composition comprising a latent catalyst
WO2018169833A1 (en) 2017-03-15 2018-09-20 Covestro Llc Viscoelastic polyurethane foams with reduced temperature sensitivity
US10766998B2 (en) 2017-11-21 2020-09-08 Covestro Llc Flexible polyurethane foams
US10479862B2 (en) 2017-12-07 2019-11-19 Covestro Llc Amine based polymer polyol stabilizers
US10526484B2 (en) 2017-12-20 2020-01-07 Covestro Llc Dithiocarbonate containing polyols as polymer polyol stabilizers
US10781310B2 (en) 2019-02-08 2020-09-22 Covestro Llc Polymer polyol stabilizers
US20240025094A1 (en) 2019-10-09 2024-01-25 Covestro Llc Methods, systems and computer program products for producing polyurethane foam products using optical and infrared imaging
US11421063B2 (en) 2019-10-10 2022-08-23 Covestro Llc Preformed stabilizers with improved stability
CN111057194A (zh) * 2019-12-18 2020-04-24 河北亚东化工集团有限公司 一种低粘度丙烯腈接枝聚醚多元醇的制备方法
WO2022060685A1 (en) 2020-09-15 2022-03-24 Dow Global Technologies Llc Low odor polyurethane adhesives
US11572433B2 (en) 2021-03-12 2023-02-07 Covestro Llc In-situ formed polyols, a process for their preparation, foams prepared from these in-situ formed polyols and a process for their preparation
US11866543B2 (en) 2021-05-06 2024-01-09 Covestro Llc Glycidyl (meth)acrylate polymer polyol stabilizers
US11718705B2 (en) 2021-07-28 2023-08-08 Covestro Llc In-situ formed polyether polyols, a process for their preparation, and a process for the preparation of polyurethane foams

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA735010A (en) 1966-05-24 C. Kuryla William Polyurethane foams
CA785835A (en) 1968-05-21 J. Scharf James Low viscosity polymer/polyol compositions by a continuous process
US3085983A (en) * 1959-09-03 1963-04-16 Mobay Chemical Corp Preparation of cellular polyurethane plastics
US3304273A (en) * 1963-02-06 1967-02-14 Stamberger Paul Method of preparing polyurethanes from liquid, stable, reactive, filmforming polymer/polyol mixtures formed by polymerizing an ethylenically unsaturated monomer in a polyol
GB1022434A (en) 1961-11-28 1966-03-16 Union Carbide Corp Improvements in and relating to polymers
US3655553A (en) * 1970-03-12 1972-04-11 Firestone Tire & Rubber Co Process for grafting polymeric vinyl and vinylidene chloride side-chains to polyols and fluid dispersion compositions
US3850861A (en) * 1972-11-24 1974-11-26 Gen Tire & Rubber Co Preparation and formulation of polyurethane foams
US3823201A (en) * 1972-12-04 1974-07-09 Basf Wyandotte Corp Highly-stable graft copolymer dispersions in polyols containing unsaturation and polyurethanes prepared therefrom
US3953393A (en) * 1974-01-07 1976-04-27 Basf Wyandotte Corporation Low temperature process for the preparation of graft copolymer dispersions
US4014846A (en) * 1974-04-29 1977-03-29 Basf Wyandotte Corporation Low-viscous, stable polymer dispersions and polyurethanes prepared therefrom
CA1077641A (en) * 1974-08-28 1980-05-13 Donald W. Simroth Polymer/polyols and process for production thereof
US3966521A (en) * 1974-10-10 1976-06-29 Basf Wyandotte Corporation Polyurethane foam composite
CA1092590A (en) * 1976-06-24 1980-12-30 Naresh R. Shah Polymer/polyol compositions, processes for making same and processes for making polyurethane products therefrom

Also Published As

Publication number Publication date
NL186169C (nl) 1990-10-01
SE8600100L (sv) 1986-01-09
DE2912330C2 (de) 1984-08-02
BE875148A (fr) 1979-09-28
AU528892B2 (en) 1983-05-19
SE446876B (sv) 1986-10-13
ES479016A1 (es) 1979-12-16
US4148840A (en) 1979-04-10
SE7902790L (sv) 1979-12-03
DE2912330A1 (de) 1979-10-04
JPS54133599A (en) 1979-10-17
SE448304B (sv) 1987-02-09
GB2017720B (en) 1982-12-08
GB2017720A (en) 1979-10-10
FR2421193A1 (fr) 1979-10-26
JPS6327371B2 (pt) 1988-06-02
FR2421193B1 (pt) 1984-05-18
CA1145097A (en) 1983-04-19
IT7921351A0 (it) 1979-03-27
AR222821A1 (es) 1981-06-30
IT1113310B (it) 1986-01-20
SE8600100D0 (sv) 1986-01-09
AU4551179A (en) 1979-10-04
NL7902409A (nl) 1979-10-02
ES483559A1 (es) 1980-04-16

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Ipc: C08F 291/08 (2006.01), C08G 18/63 (2006.0