ZA9810038B - A catalyst and a method for the trimerization of isocyanates. - Google Patents

A catalyst and a method for the trimerization of isocyanates.

Info

Publication number
ZA9810038B
ZA9810038B ZA9810038A ZA9810038A ZA9810038B ZA 9810038 B ZA9810038 B ZA 9810038B ZA 9810038 A ZA9810038 A ZA 9810038A ZA 9810038 A ZA9810038 A ZA 9810038A ZA 9810038 B ZA9810038 B ZA 9810038B
Authority
ZA
South Africa
Prior art keywords
catalyst
isocyanates
trimerization
polyisocyanurates
polyisocyanates
Prior art date
Application number
ZA9810038A
Other languages
English (en)
Inventor
Denis Revelant
Jean-Marie Bernard
Original Assignee
Rhodia Chimie Sa
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
Priority claimed from FR9713855A external-priority patent/FR2770532B1/fr
Priority claimed from FR9713856A external-priority patent/FR2770533B1/fr
Application filed by Rhodia Chimie Sa filed Critical Rhodia Chimie Sa
Publication of ZA9810038B publication Critical patent/ZA9810038B/xx

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
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
    • C08G18/3819—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen
    • C08G18/3842—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen containing heterocyclic rings having at least one nitrogen atom in the ring
    • C08G18/3848—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen containing heterocyclic rings having at least one nitrogen atom in the ring containing two nitrogen atoms in the ring
    • 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
    • C08G18/02—Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0234—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
    • B01J31/0235—Nitrogen containing compounds
    • B01J31/0239—Quaternary ammonium compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0234—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
    • B01J31/0235—Nitrogen containing compounds
    • B01J31/0244—Nitrogen containing compounds with nitrogen contained as ring member in aromatic compounds or moieties, e.g. pyridine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0234—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
    • B01J31/0255—Phosphorus containing compounds
    • B01J31/0267—Phosphines or phosphonium compounds, i.e. phosphorus bonded to at least one carbon atom, including e.g. sp2-hybridised phosphorus compounds such as phosphabenzene, the other atoms bonded to phosphorus being either carbon or hydrogen
    • B01J31/0268—Phosphonium compounds, i.e. phosphine with an additional hydrogen or carbon atom bonded to phosphorous so as to result in a formal positive charge on phosphorous
    • 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
    • C08G18/02—Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only
    • C08G18/022—Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only the polymeric products containing isocyanurate 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
    • C08G18/08—Processes
    • C08G18/16—Catalysts
    • C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
    • C08G18/1875—Catalysts containing secondary or tertiary amines or salts thereof containing ammonium salts or mixtures of secondary of tertiary amines and acids
    • 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
    • C08G18/08—Processes
    • C08G18/16—Catalysts
    • C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
    • C08G18/20—Heterocyclic amines; Salts thereof
    • C08G18/2009—Heterocyclic amines; Salts thereof containing one heterocyclic ring
    • C08G18/2027—Heterocyclic amines; Salts thereof containing one heterocyclic ring having two nitrogen atoms in the ring
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
    • B01J2231/30—Addition reactions at carbon centres, i.e. to either C-C or C-X multiple bonds
    • B01J2231/34—Other additions, e.g. Monsanto-type carbonylations, addition to 1,2-C=X or 1,2-C-X triplebonds, additions to 1,4-C=C-C=X or 1,4-C=-C-X triple bonds with X, e.g. O, S, NH/N
    • B01J2231/341—1,2-additions, e.g. aldol or Knoevenagel condensations
    • 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
    • C08G2115/00—Oligomerisation
    • C08G2115/02—Oligomerisation to isocyanurate groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
ZA9810038A 1997-11-04 1998-11-03 A catalyst and a method for the trimerization of isocyanates. ZA9810038B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9713855A FR2770532B1 (fr) 1997-11-04 1997-11-04 Catalyseur de trimerisation d'isocyanates, a base d'un hydrogenocarbonate
FR9713856A FR2770533B1 (fr) 1997-11-04 1997-11-04 Utilisation d'imidazole en tant que co-catalyseur de la trimerisation d'isocyanates

Publications (1)

Publication Number Publication Date
ZA9810038B true ZA9810038B (en) 2000-05-03

Family

ID=26233919

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9810038A ZA9810038B (en) 1997-11-04 1998-11-03 A catalyst and a method for the trimerization of isocyanates.

Country Status (12)

Country Link
US (2) US6635761B1 (ko)
EP (2) EP1027380B1 (ko)
JP (1) JP4342723B2 (ko)
KR (1) KR100549652B1 (ko)
CN (1) CN1184248C (ko)
AT (1) ATE251648T1 (ko)
AU (1) AU1159699A (ko)
BR (1) BR9813932A (ko)
CA (1) CA2307747A1 (ko)
DE (1) DE69818857T2 (ko)
WO (1) WO1999023128A1 (ko)
ZA (1) ZA9810038B (ko)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA9810038B (en) * 1997-11-04 2000-05-03 Rhodia Chimie Sa A catalyst and a method for the trimerization of isocyanates.
AU2001235565A1 (en) 2000-01-20 2001-07-31 Rhodia Chimie Method for obtaining slightly coloured branched polyisocyanate(s), and resultingcomposition
FR2808528B1 (fr) * 2000-05-04 2004-05-21 Rhodia Chimie Sa Procede d'obtention de polyisocyanate(s) ramifie(s) faiblement colore(s), et composition en decoulant
FR2804112B1 (fr) * 2000-01-20 2004-04-30 Rhodia Chimie Sa Procede d'obtention de cyclotrimeres d'isocyanate(s) ramifie(s) faiblement colore(s) et composition en decoulant
FR2818974B1 (fr) * 2000-12-29 2003-10-24 Rhodia Chimie Sa (cyclo) condensation de composes isocyanates
DE10123419A1 (de) * 2001-05-14 2002-11-21 Bayer Ag Verfahren zur Herstellung von aliphatischen Polyisocyanaten mit Uretdion-Isocyanurat- sowie Iminooxadiazindionstruktur
DE10123416A1 (de) * 2001-05-14 2002-11-21 Bayer Ag Verfahren zur Herstellung von Polyisocyanaten
DE10131525A1 (de) * 2001-07-02 2003-01-16 Degussa Verfahren zur Herstellung von geruchsarmen und lagerstabilen monomerhaltigen Polyisocyanuraten aus Isophorondiisocyanat
EP1663486A4 (en) * 2003-07-24 2008-06-11 Huntsman Spec Chem Corp CATALYST PRODUCING LITTLE ODORS FOR FOAMS AND ELASTOMERS PRODUCED FROM ISOCYANATE
FR2929612B1 (fr) * 2008-04-03 2011-02-04 Rhodia Operations Procede d'oligomerisation des isocyanates en continu
EP2346919B1 (en) * 2008-11-10 2013-09-04 Dow Global Technologies LLC Isocyanate trimerisation catalyst system, a precursor formulation, a process for trimerising isocyanates, rigid polyisocyanurate/polyurethane foams made therefrom, and a process for making such foams
EP2785761B1 (de) * 2011-11-30 2017-09-13 Covestro Deutschland AG Verfahren zur kontinuierlichen isocyanatmodifizierung
CN104271628B (zh) * 2012-05-08 2016-08-24 巴斯夫欧洲公司 含有异氰脲酸酯基团的多异氰酸酯的制备及其用途
JP6281280B2 (ja) * 2013-12-19 2018-02-21 東ソー株式会社 アロファネート・イソシアヌレート化触媒、該触媒を用いたポリイソシアネート組成物、該組成物の製造方法、及び該組成物を用いた二液型塗料組成物
CN107531874B (zh) 2015-04-21 2022-03-25 科思创德国股份有限公司 聚异氰脲酸酯聚合物以及制备聚异氰脲酸酯聚合物的方法
US10590226B2 (en) 2015-04-21 2020-03-17 Covestro Deutschland Ag Solids based on polyisocyanurate polymers produced under adiabatic conditions
CN107438635B (zh) 2015-04-21 2021-01-19 科思创德国股份有限公司 制造聚异氰脲酸酯塑料的方法
EP3085719A1 (de) 2015-04-21 2016-10-26 Covestro Deutschland AG Hydrophob modifizierter polyisocyanuratkunststoff und verfahren zu dessen herstellung
WO2016170061A1 (en) 2015-04-21 2016-10-27 Covestro Deutschland Ag Polyisocyanurate plastics having high thermal stability
EP3286243B1 (en) * 2015-04-21 2019-05-22 Covestro Deutschland AG Process for producing polyisocvanurate plastics having functionalized surfaces
CN105032490A (zh) * 2015-07-17 2015-11-11 华南理工大学 一种复配催化剂及在制备混合二异氰酸酯三聚体中的应用
US9815739B2 (en) 2015-10-30 2017-11-14 Covestro Llc Polyisocyanurate based cement for wellbore fluid loss prevention
CN107021920B (zh) * 2016-08-12 2019-07-23 万华化学集团股份有限公司 一种异氰酸酯聚合催化剂及其制备方法，及其用于制备聚异氰酸酯的方法
EP3529291B1 (en) 2016-10-18 2021-06-23 Covestro Intellectual Property GmbH & Co. KG Production of plastics by catalytic crosslinking of blocked polyisocyanates
US20200332147A1 (en) 2016-10-18 2020-10-22 Covestro Deutschland Ag Hard coatings with high chemical and mechanical stability
CN109843961A (zh) 2016-10-18 2019-06-04 科思创德国股份有限公司 含有催化交联的封闭型多异氰酸酯的线材涂层
WO2018087382A1 (de) 2016-11-14 2018-05-17 Covestro Deutschland Ag Verfahren zur herstellung eines gegenstandes aus einem vorläufer und verwendung eines radikalisch vernetzbaren harzes in einem additiven fertigungsverfahren
CN106902872B (zh) * 2017-03-29 2019-09-03 万华化学集团股份有限公司 一种异氰酸酯聚合催化剂及其制备方法，及其用于制备聚异氰酸酯的方法
EP3381962A1 (de) 2017-03-29 2018-10-03 Covestro Deutschland AG Erzeugung von polyisocyanuratschichten durch getrennte auftragung von isocyanatkomponenten und katalysatoren
EP3421516A1 (de) 2017-06-28 2019-01-02 Covestro Deutschland AG Gefärbte kunststoffe basierend auf vernetzten polyisocyanaten
WO2019061019A1 (en) 2017-09-26 2019-04-04 Covestro Deutschland Ag TWO-COMPONENT SYSTEM FOR ELASTIC COATINGS
US20210032392A1 (en) 2017-11-14 2021-02-04 Covestro Deutschland Ag Semi-finished product on the basis of a dual crosslinking mechanism
CN107868226B (zh) * 2017-12-07 2020-08-28 万华化学集团股份有限公司 一种窄分布二异氰酸酯三聚体的制备方法
ES2909427T3 (es) 2017-12-21 2022-05-06 Covestro Deutschland Ag Barnices al agua resistentes a las heladas a base de poliisocianatos
HUE061781T2 (hu) * 2017-12-21 2023-08-28 Covestro Deutschland Ag Eljárás izocianurátcsoportokat tartalmazó izocianát-keverékek elõállítására
JP2021507041A (ja) 2017-12-21 2021-02-22 コベストロ、ドイチュラント、アクチエンゲゼルシャフトＣｏｖｅｓｔｒｏ Ｄｅｕｔｓｃｈｌａｎｄ Ａｇ ポリイソシアネートに基づく耐霜性接着剤
WO2019157625A1 (en) 2018-02-13 2019-08-22 Covestro Deutschland Ag Aromatic polyisocyanates with a high solids content
CN113166364A (zh) 2018-05-17 2021-07-23 科思创知识产权两合公司 由具有超高分子量的聚乙烯纤维和交联多异氰酸酯生产复合材料的方法
US11319402B2 (en) 2018-05-17 2022-05-03 Covestro Intellectual Property Gmbh & Co. Kg Method for producing a polyisocyanate polymer and a polyisocyanurate plastic
CN108822276B (zh) * 2018-05-29 2021-01-19 武汉理工大学 一种pvc/pet复合膜胶黏剂的制备方法
WO2020016119A1 (de) 2018-07-16 2020-01-23 Covestro Deutschland Ag Verfahren zur oligomerisierung von isocyanaten mit polyedrischen silsesquioxan-katalysatoren
CN112888722A (zh) 2018-10-19 2021-06-01 科思创知识产权两合公司 无水固化的基于多异氰酸酯的胶粘剂
CN113286836B (zh) 2019-01-22 2024-02-13 科思创知识产权两合公司 基于双重固化的氨基甲酸酯和异氰脲酸酯聚合物的复合材料
US20220127407A1 (en) 2019-02-27 2022-04-28 Covestro Intellectual Property Gmbh & Co. Kg Polyisocyanurate materials as electrical potting compounds
EP3763792A1 (de) 2019-07-11 2021-01-13 Covestro Deutschland AG Verfahren zur herstellung von isocyanuraten aus uretdionen
CN110760055B (zh) * 2019-10-29 2022-02-15 万华化学（宁波）有限公司 一种多异氰酸酯组合物及制备方法
KR20230033654A (ko) 2020-07-02 2023-03-08 코베스트로 도이칠란트 아게 폴리이소시아누레이트 코팅 (rim)으로부터의 코팅물 및 사출 성형 공정에서의 그의 용도
CN112250835B (zh) * 2020-09-14 2022-03-11 万华化学（宁波）有限公司 一种制备无色多异氰酸酯组合物的方法
WO2022207532A1 (en) 2021-03-29 2022-10-06 Covestro Deutschland Ag Polyisocyanurate-prepregs and fiber composite components produced therefrom
EP4303246A1 (de) 2022-07-04 2024-01-10 Covestro Deutschland AG Polyisocyanatgemisch

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3980594A (en) * 1975-04-23 1976-09-14 The General Tire & Rubber Company Trimerization of aromatic isocyanates catalyzed by certain ammonium salts
US4040992A (en) * 1975-07-29 1977-08-09 Air Products And Chemicals, Inc. Catalysis of organic isocyanate reactions
DE2806731A1 (de) * 1978-02-17 1979-08-23 Bayer Ag Verfahren zur herstellung von isocyanuratgruppen aufweisenden polyisocyanaten
JPS57111310A (en) 1980-12-26 1982-07-10 Achilles Corp Production of rigid foam
US4542214A (en) * 1982-03-04 1985-09-17 Air Products And Chemicals, Inc. Carbamate and carbonate salts of tertiary amines
JP2770329B2 (ja) 1988-07-22 1998-07-02 大日本インキ化学工業株式会社 ポリイソシアネートの製造方法
DE4005762A1 (de) 1990-02-23 1991-08-29 Bayer Ag Trimerisierungskatalysatoren, ein verfahren zu ihrer herstellung und ihre verwendung bei der herstellung von isocyanuratgruppen aufweisenden polyisocyanaten
JP3044261B2 (ja) * 1990-04-11 2000-05-22 東ソー株式会社 通気性に優れた軟質ポリウレタンフォ−ムの製造法
CA2052908A1 (en) * 1990-11-06 1992-05-07 Charles M. Milliren System for the production of toluene diisocyanate based flexible foams and the flexible foams produced therefrom
DE4405055A1 (de) 1994-02-17 1995-08-24 Basf Ag Verfahren zur Herstellung von Isocyanuratgruppen aufweisenden Polyisocyanaten und ihre Verwendung
ZA9810038B (en) * 1997-11-04 2000-05-03 Rhodia Chimie Sa A catalyst and a method for the trimerization of isocyanates.

Also Published As

Publication number Publication date
ATE251648T1 (de) 2003-10-15
DE69818857D1 (de) 2003-11-13
WO1999023128A1 (fr) 1999-05-14
EP1027380B1 (fr) 2003-10-08
KR100549652B1 (ko) 2006-02-08
EP1375545B1 (fr) 2016-06-29
DE69818857T2 (de) 2004-08-19
CA2307747A1 (fr) 1999-05-14
AU1159699A (en) 1999-05-24
CN1184248C (zh) 2005-01-12
US7091341B2 (en) 2006-08-15
US6635761B1 (en) 2003-10-21
CN1280588A (zh) 2001-01-17
KR20010031693A (ko) 2001-04-16
EP1027380A1 (fr) 2000-08-16
JP2001521952A (ja) 2001-11-13
JP4342723B2 (ja) 2009-10-14
BR9813932A (pt) 2000-09-19
EP1375545A1 (fr) 2004-01-02
US20050080259A1 (en) 2005-04-14

Similar Documents

Publication Publication Date Title
ZA9810038B (en) A catalyst and a method for the trimerization of isocyanates.
DE58902445D1 (de) Verfahren zur herstellung von isocyanuratpolyisocyanaten, die nach diesem verfahren erhaltenen verbindungen und ihre verwendung.
MY115304A (en) Process for producing alpha-olefin oligomers and alpha-olefin oligomer compositions
AU643673B2 (en) Catalysts for the polymerization of olefins
BR9400011A (pt) Processo para catalisar a trimerização de um isocianato e/ou a reação de um isocianato e um composto contendo um hidrogênio reagente, processo para preparar espuma de poliuretano, e composição de catalisador
ZA952491B (en) Components and catalysts for the polymerization of olefins
ES2129791T3 (es) Procedimiento para la obtencion de caprolactama.
AU2946992A (en) Oligoside derived from an antigen polyoside obtained from a pathogenic agent
NO163332C (no) Fremgangsmaate til fremstilling av faste, frittstroemmende hoeyaktivitetspolymeriserings-katalysator-komponenter.
AU6828000A (en) Imidochrome compounds contained in catalyst systems for olefin polymerisation
CA2104843A1 (en) Deactivator Reagent for Olefin Polymerization Catalysts
BR9500631A (pt) Processo para catalisar a trimerização de um isocianato e/ou sua reação com um composto contendo hidrogenio ativo processo para a preparação de espuma de poliuretano e composição de catalisador
HK1067376A1 (en) Method for producing aliphatic polyisocyanates having an uretdione isocyanurate and iminooxadiazindione structure
ATE402212T1 (de) Verfahren zur herstellung von polyisocyanaten
DE69115312D1 (de) Katalytische Trimerisation von Isocyanaten und Urethanbildung
EP0396092A3 (en) Controlled release catalysts and curing agents for making polyurethane and/or polyisocyanurate product
ES8802432A1 (es) Procedimiento mejorado para preparar polisocianuratos de poliisocianatos.
CA2276364A1 (en) Novel water-in-oil microencapsulation process and microcapsules produced thereby
TW366354B (en) A catalytic composition and method for curing urea-formaldehyde resin
CA2430168A1 (en) Rail and supports therefor
AU6568096A (en) Premixes for the preparation of polyurethane foams
DE69604052D1 (en) Steife, thermoplastische polyurethanblasformharze
KR940005694A (ko) 촉매적으로 활성인 중합체 화합물, 이것의 제조방법 및 우레트디온기를 함유하는 폴리이소시아네이트의 제조에서 촉매로서의 이것의 용도
WO2006131703A3 (en) Supported polymerisation catalysts
ITTO930075A0 (it) Procedimento per la realizzazione di parti strutturali scatolate per la scocca di veicoli.