ES2113970T3 - Procedimiento para el blanqueo de poliisocianatos que contienen grupos isocianurato y uretdiona. - Google Patents

Procedimiento para el blanqueo de poliisocianatos que contienen grupos isocianurato y uretdiona.

Info

Publication number
ES2113970T3
ES2113970T3 ES93107116T ES93107116T ES2113970T3 ES 2113970 T3 ES2113970 T3 ES 2113970T3 ES 93107116 T ES93107116 T ES 93107116T ES 93107116 T ES93107116 T ES 93107116T ES 2113970 T3 ES2113970 T3 ES 2113970T3
Authority
ES
Spain
Prior art keywords
polyisocyanates containing
uretdiona
isocianurato
bleaching
procedure
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
ES93107116T
Other languages
English (en)
Inventor
Hermann Dr Graf
Ernst Dr Deuker
Stefan Dr Wolff
Ludwig Dr Schuster
Serge Wack
Richard Hardt
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Application granted granted Critical
Publication of ES2113970T3 publication Critical patent/ES2113970T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
    • C07D251/30—Only oxygen atoms
    • C07D251/34—Cyanuric or isocyanuric esters
    • 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
    • C08G18/77—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
    • C08G18/791—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing isocyanurate groups
    • C08G18/792—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing isocyanurate groups formed by oligomerisation of aliphatic and/or cycloaliphatic isocyanates or isothiocyanates
    • 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
    • C08G18/798—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing urethdione groups

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)
  • Detergent Compositions (AREA)

Abstract

EL OBJETO DE LA INVENCION TRATA DE UN PROCEDIMIENTO PARA CLARIFICAR POLIISOCIANATOS CONTENIENDO GRUPOS ISOCIANATOS Y URETADIONICOS, SE CARACTERIZA PORQUE LOS POLIISOCIANATOS CONTENIENDO GRUPOS ISOCIANURATOS Y URETADIONICOS DESMONOMERIZADOS SE TRATAN CON OXIGENO.
ES93107116T 1992-05-13 1993-05-03 Procedimiento para el blanqueo de poliisocianatos que contienen grupos isocianurato y uretdiona. Expired - Lifetime ES2113970T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4215746A DE4215746A1 (de) 1992-05-13 1992-05-13 Verfahren zur Aufhellung von Isocyanurat- und Uretdiongruppen enthaltenden Polyisocyanaten

Publications (1)

Publication Number Publication Date
ES2113970T3 true ES2113970T3 (es) 1998-05-16

Family

ID=6458753

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93107116T Expired - Lifetime ES2113970T3 (es) 1992-05-13 1993-05-03 Procedimiento para el blanqueo de poliisocianatos que contienen grupos isocianurato y uretdiona.

Country Status (7)

Country Link
US (1) US5919887A (es)
EP (1) EP0569804B1 (es)
AT (1) ATE164841T1 (es)
CA (1) CA2095997C (es)
DE (2) DE4215746A1 (es)
ES (1) ES2113970T3 (es)
MX (1) MX9302758A (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19735043A1 (de) * 1997-08-13 1999-02-18 Bayer Ag Verfahren zur Herstellung farbheller Uretdionpolyisocyanate
DE10035013A1 (de) 2000-07-19 2002-01-31 Bayer Ag Verfahren zur Herstellung von Uretdionpolyisocyanaten mit verbesserter Monomerenstabilität
JP5686725B2 (ja) * 2008-04-01 2015-03-18 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ オゾン含有ガスでポリイソシアネートの着色を薄める方法
US8969614B2 (en) 2008-10-22 2015-03-03 Basf Se Method for producing colourless polyisocyanates
DE102009054749A1 (de) * 2009-12-16 2011-06-22 Evonik Degussa GmbH, 45128 Zusammensetzung aus (cyclo)aliphatischen Diisocyanaten und aromatischen Säurehalogeniden
CN111072917B (zh) 2020-01-02 2021-06-29 万华化学集团股份有限公司 一种存储稳定的多异氰酸酯组合物及制备方法
US20230080775A1 (en) 2020-02-17 2023-03-16 Covestro Deutschland Ag Polyisocyanate preparations

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US984221A (en) * 1907-05-11 1911-02-14 Charles Hornbostel Production of gases of high oxidizing efficiency.
NL103007C (es) * 1956-02-21
DE3900053A1 (de) * 1989-01-03 1990-07-12 Bayer Ag Verfahren zur herstellung von uretdion- und isocyanuratgruppen aufweisenden polyisocyanaten, die nach diesem verfahren erhaeltlichen polyisocyanate und ihre verwendung in zweikomponenten-polyurethanlacken
US4935391A (en) * 1989-03-31 1990-06-19 Fmc Corporation Process for preparing a purified mineral coating
DE4029809A1 (de) * 1990-09-20 1992-03-26 Bayer Ag Polyisocyanatgemisch, ein verfahren zu seiner herstellung und seine verwendung in polyurethanlacken
DE4033288A1 (de) * 1990-10-19 1992-04-23 Bayer Ag Verfahren zur herstellung von uretdion- und/oder isocyanuratgruppen aufweisenden polyisocyanaten, die nach diesem verfahren erhaeltlichen polyisocyanate und ihre verwendung in polyurethanlacken
US5208334A (en) * 1991-07-22 1993-05-04 Miles Inc. Process for the production of polyisocyanates containing allophanate and isocyanurate groups

Also Published As

Publication number Publication date
EP0569804B1 (de) 1998-04-08
CA2095997C (en) 2000-07-11
CA2095997A1 (en) 1993-11-14
US5919887A (en) 1999-07-06
MX9302758A (es) 1993-11-01
EP0569804A2 (de) 1993-11-18
DE4215746A1 (de) 1993-11-18
EP0569804A3 (es) 1994-01-26
ATE164841T1 (de) 1998-04-15
DE59308366D1 (de) 1998-05-14

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