ES2062274T3 - Composiciones de isocianatos solidas y estables en el almacenamiento, preparacion de tales composiciones y metodo de uso de las mismas. - Google Patents

Composiciones de isocianatos solidas y estables en el almacenamiento, preparacion de tales composiciones y metodo de uso de las mismas.

Info

Publication number
ES2062274T3
ES2062274T3 ES90123653T ES90123653T ES2062274T3 ES 2062274 T3 ES2062274 T3 ES 2062274T3 ES 90123653 T ES90123653 T ES 90123653T ES 90123653 T ES90123653 T ES 90123653T ES 2062274 T3 ES2062274 T3 ES 2062274T3
Authority
ES
Spain
Prior art keywords
compositions
preparation
solid
storage
stable isocyanate
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES90123653T
Other languages
English (en)
Inventor
Robson Mafoti
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer Corp
Original Assignee
Miles Inc
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 Miles Inc filed Critical Miles Inc
Application granted granted Critical
Publication of ES2062274T3 publication Critical patent/ES2062274T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/80Masked polyisocyanates
    • C08G18/8003Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
    • C08G18/8006Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32
    • C08G18/8009Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203
    • C08G18/8012Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203 with diols
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00Preparation of derivatives of isocyanic acid
    • C07C263/18Separation; Purification; Stabilisation; Use of additives
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C265/00Derivatives of isocyanic acid
    • C07C265/14Derivatives of isocyanic acid containing at least two isocyanate groups bound to the same carbon skeleton
    • 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
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30Low-molecular-weight compounds
    • C08G18/32Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3203Polyhydroxy compounds
    • C08G18/3206Polyhydroxy compounds aliphatic
    • 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
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/48Polyethers
    • C08G18/4854Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
    • 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
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6666Compounds of group C08G18/48 or C08G18/52
    • C08G18/667Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6674Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
    • 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
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/74Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7614Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
    • C08G18/7621Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring being toluene diisocyanate including isomer mixtures
    • 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
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/74Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
    • 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
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/74Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
    • C08G18/7671Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
    • 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
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/80Masked polyisocyanates
    • C08G18/8003Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
    • C08G18/8006Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32
    • C08G18/8009Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203
    • C08G18/8012Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203 with diols
    • C08G18/8019Masked aromatic polyisocyanates
    • 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
    • C08G2120/00Compositions for reaction injection moulding processes

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)

Abstract

ESTA INVENCION SE REFIERE A COMPOSICIONES DE ISOCIANATO SOLIDO DE ALMACENAMIENTO ESTABLE QUE SON SUSTANCIALMENTE CRISTALINAS A TEMPERATURA AMBIENTE Y QUE COMPRENDEN LOS PRODUCTOS DE REACCION DE ISOCIANATOS ORGANICOS CON CANTIDADES SUBESTEQUIOMETRICAS DE 2-METILO-1, 3-PROPANEDIOL . ESTA INVENCION SE REFIERE TAMBIEN A UN MODO DE EMPLEO DE LAS COMPOSICIONES DE ISOCIANATO SOLIDO DE LA INVENCION EN LA PREPARACION DE PRODUCTOS DE POLIURETANO.
ES90123653T 1989-12-21 1990-12-08 Composiciones de isocianatos solidas y estables en el almacenamiento, preparacion de tales composiciones y metodo de uso de las mismas. Expired - Lifetime ES2062274T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/454,215 US5043472A (en) 1989-12-21 1989-12-21 Storage stable solid isocyanate compositions, preparation, and method of use thereof

Publications (1)

Publication Number Publication Date
ES2062274T3 true ES2062274T3 (es) 1994-12-16

Family

ID=23803766

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90123653T Expired - Lifetime ES2062274T3 (es) 1989-12-21 1990-12-08 Composiciones de isocianatos solidas y estables en el almacenamiento, preparacion de tales composiciones y metodo de uso de las mismas.

Country Status (6)

Country Link
US (1) US5043472A (es)
EP (1) EP0433823B1 (es)
JP (1) JPH0418415A (es)
CA (1) CA2030377A1 (es)
DE (1) DE69007047T2 (es)
ES (1) ES2062274T3 (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5338819A (en) * 1991-11-29 1994-08-16 Basf Corporation Solid isocyanate derivatives useful in one component polyurethane adhesives
US5693864A (en) * 1992-10-07 1997-12-02 Bayer Corporation Process for the production of secondary amine terminated polyethers
US5510535A (en) * 1994-11-22 1996-04-23 Bayer Corporation Ether-linked amine-terminated polyethers and a process for their production
US5672761A (en) * 1996-05-02 1997-09-30 Bayer Corporation Method for reducing the viscosity of high viscosity polyether polyols
US5739397A (en) * 1996-05-30 1998-04-14 Bayer Corporation Process for the production of secondary amines and the amines produced by the process
US7423112B2 (en) 2004-05-27 2008-09-09 Bayer Materialscience Llc Polyether polyols containing pendant amine groups and a process for their preparation
JP4757683B2 (ja) * 2006-03-30 2011-08-24 オリジン電気株式会社 電源
AU2009228586B2 (en) * 2008-03-28 2014-02-13 Polytex Sportbelage Produktions Gmbh 2,2'-MDI-based isocyanate mixtures and the production and use thereof
WO2014024847A1 (ja) * 2012-08-06 2014-02-13 株式会社クラレ 熱可塑性ポリウレタンおよびその組成物
JP5484620B1 (ja) * 2013-06-07 2014-05-07 保土谷化学工業株式会社 ポリウレタン塗膜防水材用主剤及びその製造方法、ポリウレタン塗膜防水材、ポリウレタン防水塗膜、並びに遊離トリレンジイソシアネート含有量の低減方法
EP3838948A1 (de) 2019-12-17 2021-06-23 Covestro Deutschland AG Thermoplastisches aliphatisches polyurethanprepolymer mit niedriger kristallisationsenthalpie
EP3838944A1 (de) 2019-12-17 2021-06-23 Covestro Deutschland AG Thermoplastisches aliphatisches polyurethanpolymer mit niedriger kristallisationsenthalpie

Family Cites Families (34)

* 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
FR1305089A (fr) * 1960-11-08 1962-09-28 Bayer Ag Polyisocyanates et procédé pour leur préparation
NL134011C (es) * 1964-12-18 1900-01-01
US3384653A (en) * 1965-03-31 1968-05-21 Upjohn Co Compositions of methylenebis (phenyl isocyanate) with trihydrocarbyl phosphates and preparation thereof
US3394164A (en) * 1965-10-24 1968-07-23 Upjohn Co Stabilized methylenebis-(phenyl isocyanate) compositions
US3394165A (en) * 1965-10-24 1968-07-23 Upjohn Co Stabilized methylenebis-(phenyl isocyanate) compositions
US3449256A (en) * 1966-01-19 1969-06-10 Upjohn Co Methylenebis(phenyl isocyanate) compositions and preparation thereof
US4072712A (en) * 1966-03-18 1978-02-07 Bayer Aktiengesellschaft Process for the production of carbodiimides and carbodiimide-isocyanate adducts
DE1618380C3 (de) * 1967-03-08 1975-09-11 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung eines bei Raumtemperatur flüssigen Diphenylmethan-diisocyanatpräparates
GB1194050A (en) * 1967-12-12 1970-06-10 Ici Ltd Liquid Diphenylmethane Diisocyanate Compositions
GB1200432A (en) * 1968-01-25 1970-07-29 Bayer Ag Process for the preparation of polyisocyanates which contain a carbodiimideisocyanate adduct
GB1193401A (en) * 1968-05-14 1970-06-03 Ici Ltd Liquid diphenylmethane diisocyanate compositions
US3585230A (en) * 1968-07-17 1971-06-15 Kaiser Aluminium Chem Corp Stable liquid polyisocyanate compositions
US3701796A (en) * 1970-09-29 1972-10-31 Upjohn Co Storage stable methylenebis (phenyl 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.
US4093674A (en) * 1972-11-30 1978-06-06 Nippon Paint Co., Ltd. Powder coating composition
US3892691A (en) * 1974-07-10 1975-07-01 Goodyear Tire & Rubber Polyurethane structural member
GB1476088A (en) * 1975-04-03 1977-06-10 Ici Ltd Carbodiimides
GB1483957A (en) * 1975-05-19 1977-08-24 Ici Ltd Diphenylmethane diisocyanate compositions
DE2537685C2 (de) * 1975-08-23 1989-04-06 Bayer Ag, 5090 Leverkusen Verfahren zur teilweisen Carbodiimidisierung der Isocyanatgruppen von organischen Polyisocyanaten
US4048105A (en) * 1975-12-19 1977-09-13 Mccord Corporation High density urethane foam for rim
DE2624526B2 (de) * 1976-06-01 1981-06-25 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von modifizierten Polyisocyanaten der Diphenylmethanreihe
US4055548A (en) * 1976-09-17 1977-10-25 The Upjohn Company Storage-stable liquid polyisocyanate composition
GB1567713A (en) * 1977-01-31 1980-05-21 Upjohn Co Process for preparing carbodiimide-containing polyisocyanates
US4118411A (en) * 1977-02-09 1978-10-03 Mobay Chemical Corporation Low-temperature storage stable liquid diphenylmethane diisocyanates
US4115428A (en) * 1977-09-29 1978-09-19 Union Carbide Corporation Catalyst and process for producing polyhydric alcohols and derivatives
GB1596469A (en) * 1978-04-11 1981-08-26 Ici Ltd Liquid isocyanate compositions based on diphenylmethane diisocyanate
US4154752A (en) * 1978-05-05 1979-05-15 Mobay Chemical Corporation Preparation of partially carbodiimidized methylenebis (phenyl isocyanate)
US4177205A (en) * 1978-11-20 1979-12-04 Basf Wyandotte Corporation Process for the preparation of highly stable liquid carbodiimide-containing polyisocyanate compositions
US4332742A (en) * 1981-06-22 1982-06-01 Mobay Chemical Corporation Low temperature storage stable liquid diphenylmethane diisocyanates
US4344892A (en) * 1981-08-14 1982-08-17 Mobay Chemical Corporation Self-granulating reaction product of 4,4'-diphenylmethane diisocyanate and resorcinol
US4352858A (en) * 1981-09-04 1982-10-05 National Starch And Chemical Corp. Polyurethane adhesive compositions modified with a dicarbamate ester useful in laminating substrates
FR2513642B1 (fr) * 1981-09-25 1985-08-09 Ugine Kuhlmann Toluene diisocyanate brut modifie permettant d'obtenir des mousses de polyurethannes a haute resilience ameliorees
US4722989A (en) * 1987-03-16 1988-02-02 Air Products And Chemicals, Inc. Process for producing polyurethane/urea elastomers

Also Published As

Publication number Publication date
EP0433823B1 (en) 1994-03-02
CA2030377A1 (en) 1991-06-22
DE69007047D1 (de) 1994-04-07
JPH0418415A (ja) 1992-01-22
US5043472A (en) 1991-08-27
EP0433823A3 (en) 1992-04-15
EP0433823A2 (en) 1991-06-26
DE69007047T2 (de) 1994-06-01

Similar Documents

Publication Publication Date Title
ES2062274T3 (es) Composiciones de isocianatos solidas y estables en el almacenamiento, preparacion de tales composiciones y metodo de uso de las mismas.
BE875474R (fr) Compositions d'isocyanates
ATE96823T1 (de) Polysiloxan-polyoxyalkylen-zusammensetzungen fuer die herstellung von polyurethanschaum.
MX163196B (es) Compuestos de piridinsulfonamida substituidos,las composiciones herbicidas que contienen los mismos y el metodo para preparar estos compuestos
ES2099875T3 (es) Procedimiento para la obtencion de mezclas de poliisocianato de baja viscosidad, que contienen grupos isocianurato y uretano.
SE8001585L (sv) Forfarande for framstellning av polyuretan med integral eller odelad hud
ATE145392T1 (de) Cyclopentadiene, ihre herstellung und sie enthaltende schmiermittelzusammensetzungen
ES2125535T3 (es) Mezclas, que contienen isocianatos emulsionables en agua.
ES2030238T3 (es) Utilizacion de 1,1,1,4,4,4-hexafluorbutano como gas impulsor y gas aislante para la fabricacion de espumas de plalstico.
ES514792A0 (es) Procedimiento para la obtencion de poliaminas primarias.
AU530399B2 (en) Processes
FI861348A (fi) Pao polyuretanbasis baserad massa med reaktionsfoermaoga och dess anvaendning vid framstaellning av belaeggningar.
JPS6463582A (en) Novel crosslinked adenine derivative
ES2054821T3 (es) Composiciones de prepolimero de poliisocianato y el uso de las mismas en la preparacion de poliuretanos.
ZA84443B (en) Carbomate insecticidal compositions
ES2053535T3 (es) Derivados heterociclicos de cinco miembros de n,n'-diacilhidrazinas n' sustituidas.
PE26691A1 (es) Procedimiento de preparacion de azabencimidazoles, utiles en el tratamiento de asma, artritis y enfermedades relacionadas
DK0903377T3 (da) Polyurethansammensætninger
GB1556083A (en) V-triazolyl-(4,5-d)-pyrimidines and their use as optical brightening agents for organic materials
BR9802882A (pt) Composições de aminometil-pirrolidina-uréia para a produção de poliuretanos e processo para a sua preparação.
ES2127444T3 (es) Procedimiento para fijar un contenido determinado de hierro en el diisocianato de difenilmetano o en mezclas de poliisocianatos de la serie de los diisocianatos de difenilmetano.
MX164948B (es) Mejoras en procedimiento de etapas multiples con reactores adiabaticos para la preparacion de isocianatos
ES2059475T3 (es) Procedimiento para la fabricacion de poliisocianatos de biuret, los compuestos obtenidos segun este procedimiento y su utilizacion.
EP0239891A3 (en) Flame retardant high density rigid polyurethane foams
EP0193787A3 (de) Stabile 4,4'-Diphenylmethandiisocyanate

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 433823

Country of ref document: ES