NL181276C - Werkwijze voor de bereiding van vloeibare polyisocyanaten onder toepassing van difenylmethaandiisocyanaat, werkwijze voor de bereiding van polyurethanen, alsmede daaruit vervaardigd gevormd voortbrengsel. - Google Patents

Werkwijze voor de bereiding van vloeibare polyisocyanaten onder toepassing van difenylmethaandiisocyanaat, werkwijze voor de bereiding van polyurethanen, alsmede daaruit vervaardigd gevormd voortbrengsel.

Info

Publication number
NL181276C
NL181276C NLAANVRAGE7605286,A NL7605286A NL181276C NL 181276 C NL181276 C NL 181276C NL 7605286 A NL7605286 A NL 7605286A NL 181276 C NL181276 C NL 181276C
Authority
NL
Netherlands
Prior art keywords
preparing
polyurethans
produced therefrom
diphenyl methane
methane diisocyanate
Prior art date
Application number
NLAANVRAGE7605286,A
Other languages
English (en)
Dutch (nl)
Other versions
NL7605286A (nl
NL181276B (nl
Original Assignee
Ici Ltd
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 Ici Ltd filed Critical Ici Ltd
Publication of NL7605286A publication Critical patent/NL7605286A/xx
Publication of NL181276B publication Critical patent/NL181276B/xx
Application granted granted Critical
Publication of NL181276C publication Critical patent/NL181276C/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C265/00—Derivatives of isocyanic acid
    • C07C265/12—Derivatives of isocyanic acid having isocyanate groups bound to carbon atoms of six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D229/00—Heterocyclic compounds containing rings of less than five members having two nitrogen atoms as the only ring hetero 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/721—Two or more polyisocyanates not provided for in one single group C08G18/73 - C08G18/80
    • C08G18/725—Combination of polyisocyanates of C08G18/78 with other polyisocyanates
    • 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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78—Nitrogen
    • C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
    • C08G18/797—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing carbodiimide and/or uretone-imine 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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/80—Masked polyisocyanates
    • C08G18/8003—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
    • C08G18/8006—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32
    • C08G18/8009—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203
    • C08G18/8012—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203 with diols
    • C08G18/8019—Masked aromatic polyisocyanates
    • 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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/80—Masked polyisocyanates
    • C08G18/8003—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
    • C08G18/8054—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/38

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NLAANVRAGE7605286,A 1975-05-19 1976-05-18 Werkwijze voor de bereiding van vloeibare polyisocyanaten onder toepassing van difenylmethaandiisocyanaat, werkwijze voor de bereiding van polyurethanen, alsmede daaruit vervaardigd gevormd voortbrengsel. NL181276C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB21293/75A GB1483957A (en) 1975-05-19 1975-05-19 Diphenylmethane diisocyanate compositions

Publications (3)

Publication Number Publication Date
NL7605286A NL7605286A (nl) 1976-11-23
NL181276B NL181276B (nl) 1987-02-16
NL181276C true NL181276C (nl) 1987-07-16

Family

ID=10160447

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7605286,A NL181276C (nl) 1975-05-19 1976-05-18 Werkwijze voor de bereiding van vloeibare polyisocyanaten onder toepassing van difenylmethaandiisocyanaat, werkwijze voor de bereiding van polyurethanen, alsmede daaruit vervaardigd gevormd voortbrengsel.

Country Status (6)

Country Link
US (1) US4031026A (xx)
JP (1) JPS6021977B2 (xx)
DE (1) DE2622104A1 (xx)
FR (1) FR2311813A1 (xx)
GB (1) GB1483957A (xx)
NL (1) NL181276C (xx)

Families Citing this family (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1596469A (en) * 1978-04-11 1981-08-26 Ici Ltd Liquid isocyanate compositions based on diphenylmethane diisocyanate
EP0010850B2 (en) * 1978-10-03 1990-01-31 Imperial Chemical Industries Plc Liquid polyisocyanate compositions
ATE6938T1 (de) * 1978-12-11 1984-04-15 Imperial Chemical Industries Plc Modifizierte diisocyanat-zusammensetzungen und polyurethane daraus.
US4234714A (en) * 1979-03-29 1980-11-18 Textron Inc. Preparation of single-phase, urethane prepolymers from hydroxy-terminated diene polymers
GB2055391B (en) * 1979-06-20 1983-06-29 Yokohama Rubber Co Ltd Tire filling material
DE2942542A1 (de) * 1979-10-20 1981-05-07 Basf Ag, 6700 Ludwigshafen Verfahen zur herstellung von mischungen aus diphenyl-methan-diisocyanaten und polyphenyl-polymethylen-polyisocyananten
US4306052A (en) * 1980-09-25 1981-12-15 The Upjohn Company Thermoplastic polyester polyurethanes
IT1141138B (it) * 1980-12-16 1986-10-01 Montedison Spa Processo per la conversione di gruppi isocianici in gruppi carbodiimmidici e/o uretoniminici
US4321333A (en) * 1981-04-16 1982-03-23 The Upjohn Company Polyurethane prepared from polyisocyanate blend
US4490300A (en) * 1983-09-30 1984-12-25 Mobay Chemical Corporation Liquid diphenylmethane diisocyanate compositions
US4490301A (en) * 1983-09-30 1984-12-25 Mobay Chemical Corporation Liquid diphenylmethane diisocyanate compositions
US4490302A (en) * 1983-11-25 1984-12-25 Mobay Chemical Corporation Liquid diphenylmethane diisocyanate compositions
DE3401166A1 (de) * 1984-01-14 1985-07-18 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von urethanmodifizierten polyisocyanat-zubereitungen und ihre verwendung bei der herstellung von polyurethankunststoffen
DE3405939A1 (de) * 1984-02-18 1985-08-22 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von urethanmodifizierten polyisocyanat-zubereitungen und ihre verwendung bei der herstellung von polyurethankunststoffen oder von polyisocyanuratkunststoffen
JPS6131421A (ja) * 1984-07-23 1986-02-13 Sumitomo Bayer Urethane Kk ポリウレタン樹脂の製造方法
US4937012A (en) * 1985-01-25 1990-06-26 Basf Corporation Low temperature stable polymethylene polyphenylene polyisocyanates
DE3526233A1 (de) * 1985-07-23 1987-01-29 Bayer Ag Verfahren zur herstellung von harnstoff- und/oder biuretgruppen aufweisenden polyisocyanat-zubereitungen, die nach diesem verfahren erhaeltlichen polyisocyanat-zubereitungen und ihre verwendung als isocyanatkomponente bei der herstellung von kunststoffen nach dem isocyanat-polyadditionsverfahren
DE3527531A1 (de) * 1985-08-01 1987-02-12 Bayer Ag Verfahren zur herstellung von urethanmodifizierten polyisocyanat-zubereitungen, die nach diesem verfahren erhaltenen polyisocyanatzubereitungen und ihre verwendung bei der herstellung von kunststoffen auf polyisocyanat-basis
US4910333A (en) * 1987-06-03 1990-03-20 Mobay Corporation Liquid diphenylmethane diisocyanate compositions
GB8728886D0 (en) * 1987-12-10 1988-01-27 Ici Plc Polyisocyanate compositions
US4883909A (en) * 1988-05-11 1989-11-28 Mobay Corporation Liquid diphenylmetane diisocyanate compositions
US5130384A (en) * 1989-03-20 1992-07-14 Reeves Brothers, Inc. Calenderable thermoplastic polyurethane elastomer compositions containing millable linear polyurethanes
US5096992A (en) * 1989-03-20 1992-03-17 Reeves Brothers, Inc. Use of modified diisocyanates for preparing linear thermoplastic polyurethane elastomers having improved properties
US5298303A (en) * 1989-03-20 1994-03-29 Reeves Brothers, Inc. Fabric structure for severe use applications
US5001208A (en) * 1989-03-20 1991-03-19 Reeves Brothers, Inc. Linear polyurethane elastomer compositions based on mixed polycarbonate and polyether polyols
US5013811A (en) * 1989-03-20 1991-05-07 Reeves Brothers, Inc. Use of modified diisocyanates for preparing linear thermoplastic polyurethane elastomers having improved properties
US4986929A (en) * 1989-08-23 1991-01-22 Mobay Corporation Novel isocyanate blends
US5043472A (en) * 1989-12-21 1991-08-27 Mobay Corporation Storage stable solid isocyanate compositions, preparation, and method of use thereof
US5109034A (en) * 1989-12-21 1992-04-28 Miles Inc. Storage stable solid isocyanate compositions, preparation, and method of use thereof
US5110666A (en) * 1991-05-06 1992-05-05 Reeves Brothers, Inc. Coated fabric structure for air bag applications
US5298593A (en) * 1991-06-25 1994-03-29 Mitsubishi Petrochemical Company, Ltd. Method of producing thermotropic liquid crystalline polyester
DE4203918A1 (de) * 1992-02-11 1993-08-12 Basf Ag Verfahren zur herstellung von fluorchlorkohlenwasserstoff-freien polyurethan-weichschaumstoffen unter verwendung von urethangruppen enthaltenden polyisocyanatmischungen auf diphenylmethan-diisocyanatbasis sowie derartige modifizierte polyisocyanatmischungen
CA2094554C (en) * 1992-05-12 2001-12-25 Thirumurti Narayan Polymethylene polyphenyl polyisocyanate based prepolymers
US5216035A (en) * 1992-06-22 1993-06-01 Basf Corporation Water-blown polyurethane integral skin foam
US5284880A (en) * 1993-04-15 1994-02-08 Basf Corporation Water-blown polyurethane integral skin foam
US5288899A (en) * 1993-06-30 1994-02-22 Miles Inc. Liquification of diphenylmethane diisocyanate by partially reacting the isocyanate groups with blocking agents
US5350778A (en) * 1993-10-28 1994-09-27 Miles Inc. Polyisocyanate based upon 4,4'- and 2,4'-diphenylmethane diisocyanates and use thereof in a rim process
CA2117741A1 (en) * 1993-10-28 1995-04-29 Michael F. Hurley Rim process utilizing isocyanates based upon 2,4'-and 4,4'- diphenylmethane diisocyanate
CA2117740A1 (en) * 1993-10-28 1995-04-29 Michael F. Hurley Polyisocyanate based upon 4,4'-and 2,4'-diphenylmethane diisocyanates and use thereof in a rim process
US5679756A (en) * 1995-12-22 1997-10-21 Optima Inc. Optical thermoplastic thiourethane-urethane copolymers
DE19603736A1 (de) * 1996-02-02 1997-08-07 Bayer Ag Niedrigviskose Polyisocyanatmischung
US6090864A (en) * 1997-04-25 2000-07-18 Basf Corporation Polymeric MDI prepolymer composition and flexible foams prepared therefrom
US6197878B1 (en) 1997-08-28 2001-03-06 Eastman Chemical Company Diol latex compositions and modified condensation polymers
DE19823393A1 (de) 1998-05-26 1999-12-02 Basf Ag Isocyanatgruppenhaltige Prepolymere und Verfahren zu ihrer Herstellung
US6120699A (en) * 1998-09-21 2000-09-19 Basf Corporation Storage stable methylene bis(phenylisocyanate) compositions
WO2000052083A1 (en) 1999-03-03 2000-09-08 Eastman Chemical Company Silicone polymer diol compositions and condensation polymer/silicone polymer blends
EP1161497B1 (en) 1999-03-03 2003-05-07 Eastman Chemical Company Polyamide/emulsion polymer blends
CN1357021A (zh) 1999-06-18 2002-07-03 伊斯曼化学公司 酰胺型聚合物/硅氧烷聚合物共混物及其制造工艺
WO2000078845A1 (en) 1999-06-18 2000-12-28 Eastman Chemical Company Nylon 6-silicone blends
US6462109B1 (en) 1999-10-12 2002-10-08 Eastman Chemical Company Surfactantless latex compositions and methods of making polymer blends using these compositions
US6242556B1 (en) 2000-02-07 2001-06-05 Bayer Corporation Liquid MDI adducts with improved freeze stability
US6482913B1 (en) 2000-02-07 2002-11-19 Bayer Aktiengesellschaft Liquid MDI adducts wtih improved freeze stability
KR20030022316A (ko) * 2000-07-27 2003-03-15 헌트스만 인터내셔날, 엘엘씨 디페닐메탄 디이소시아네이트 조성물
US6376567B1 (en) 2000-12-07 2002-04-23 Bayer Corporation Polyisocyanate compositions and a process for the production of low-density flexible foams with low humid aged compression sets from these polyisocyanate compositions
US6844390B2 (en) * 2001-04-09 2005-01-18 Eastman Chemical Company Modified alkyd compositions comprising polyol latex compositions and processes of making them
US6699931B2 (en) 2001-04-09 2004-03-02 Eastman Chemical Company Modified alkyd compositions comprising diol latex compositions and processes of making the same
US20090005476A1 (en) * 2001-04-09 2009-01-01 Eastman Chemical Company Polyol latex compositions and process of making them
US6777026B2 (en) * 2002-10-07 2004-08-17 Lord Corporation Flexible emissive coatings for elastomer substrates
US20040077773A1 (en) * 2002-07-12 2004-04-22 Tavares Manuel J Low viscosity, flexible, hydrolytically stable potting compounds
DE102004005320A1 (de) * 2004-02-04 2005-08-25 Bayer Materialscience Ag Herstellung von Di- und Polysocyanaten der Diphenylmethanreihe mit definierter Acidität
US7574788B1 (en) 2004-10-01 2009-08-18 Atlanta Attachment Company Foundation cover stretching and stapling system
AR063769A1 (es) 2006-11-01 2009-02-18 Dow Global Technologies Inc Articulos que incluyen poliolefina y poliuretano no-polares y los metodos para su preparacion y uso
AR064670A1 (es) 2006-12-21 2009-04-15 Dow Global Technologies Inc Polimeros de olefina funcionalizados, composiciones y articulos preparados a partir de ellas y metodos para prepararlos
US20090156777A1 (en) 2007-12-17 2009-06-18 Nodelman Neil H Freeze-stable aromatic diisocyanates and processes for the preparation of these freeze-stable products
EP2454316B1 (en) 2009-06-18 2013-04-03 Dow Global Technologies LLC Color-stable, halogen-free flame retardant thermoplastic polyurethane compositions
TWI457393B (zh) * 2009-11-12 2014-10-21 Kraton Polymers Us Llc 熱塑性聚胺基甲酸酯嵌段共聚物組合物
HUP1400402A2 (hu) * 2014-08-29 2016-03-29 Borsodchem Zrt Eljárás világos színû, stabilan tárolható uretonimin modifikált poliizocianát elõállítására

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3152162A (en) * 1959-07-29 1964-10-06 Bayer Ag Polyisocyanate-carbodiimide adducts and process for the production thereof
US3936483A (en) * 1964-04-09 1976-02-03 Mobay Chemical Corporation Organic polyisocyanates
GB1109874A (en) * 1964-08-25 1968-04-18 Courtaulds Ltd Improvements relating to the production of spandex filaments
US3728289A (en) * 1965-09-29 1973-04-17 Basf Wyandotte Corp Elastic,tear-resistant,high-density foams based on polycarbodiimide-polyisocyanates
US3455836A (en) * 1966-10-10 1969-07-15 Allied Chem Polyisocyanate compositions
FR1544992A (fr) * 1966-11-17 1968-11-08 Bayer Ag Procédé de préparation de matières mousse contenant des groupes uréthane
DE1618380C3 (de) * 1967-03-08 1975-09-11 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung eines bei Raumtemperatur flüssigen Diphenylmethan-diisocyanatpräparates
GB1200432A (en) * 1968-01-25 1970-07-29 Bayer Ag Process for the preparation of polyisocyanates which contain a carbodiimideisocyanate adduct
US3640886A (en) * 1968-09-25 1972-02-08 Basf Wyandotte Corp Toluene diisocyanate compositions
US3583926A (en) * 1969-02-17 1971-06-08 Allied Chem Stable polyol compositions and use thereof in preparation of polyurethane foam
US3658762A (en) * 1970-05-28 1972-04-25 Allied Chem Preparation of noncellular polyurethane compositions
GB1356851A (en) * 1971-06-11 1974-06-19 Ici Ltd Isocyanate/uretonimine compositions for polyurethanes
BE787395A (fr) * 1971-08-13 1973-02-12 Basf Wyandotte Corp Procede de preparation de polyisocyanates
GB1398975A (en) * 1971-08-16 1975-06-25 Ici Ltd Heat treatment and distillation of methylene bridged polyphenyl polyisocyanates
GB1377676A (en) * 1972-09-21 1974-12-18 Ici Ltd Isocyanate compositions
NL178871C (nl) * 1972-09-26 Ici Ltd Werkwijze voor het bereiden van een vloeibaar difenylmethaandiisocyanaatproduct en voor het bereiden of vervaardigen van een polyurethaan onder toepassing van een dergelijk isocyanaatproduct.
GB1430455A (en) * 1973-01-29 1976-03-31 Ici Ltd Isocyanate compositions
GB1417087A (en) * 1973-05-29 1975-12-10 Ici Ltd Polyisocyanates
DE2400566A1 (de) * 1974-01-07 1975-07-10 Toyo Kohan Co Ltd Verfahren und vorrichtung zur herstellung von metallenen hohlkoerpern
GB1444192A (en) * 1974-04-03 1976-07-28 Ici Ltd Polyisocyanate compositions
GB1450660A (en) * 1974-04-03 1976-09-22 Ici Ltd Polyisocyanates
US3980579A (en) * 1974-10-18 1976-09-14 Olin Corporation Catalytically stable halogenated polyol composition

Also Published As

Publication number Publication date
GB1483957A (en) 1977-08-24
JPS51141850A (en) 1976-12-07
DE2622104A1 (de) 1976-12-09
NL7605286A (nl) 1976-11-23
FR2311813A1 (fr) 1976-12-17
NL181276B (nl) 1987-02-16
JPS6021977B2 (ja) 1985-05-30
FR2311813B1 (xx) 1980-08-29
US4031026A (en) 1977-06-21

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BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee