DE3781951T2 - Verfahren zur herstellung von polyisocyanaten mit biuretstruktur. - Google Patents

Verfahren zur herstellung von polyisocyanaten mit biuretstruktur.

Info

Publication number
DE3781951T2
DE3781951T2 DE8787420184T DE3781951T DE3781951T2 DE 3781951 T2 DE3781951 T2 DE 3781951T2 DE 8787420184 T DE8787420184 T DE 8787420184T DE 3781951 T DE3781951 T DE 3781951T DE 3781951 T2 DE3781951 T2 DE 3781951T2
Authority
DE
Germany
Prior art keywords
process according
diisocyanate
acetate
water
bar
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 - Fee Related
Application number
DE8787420184T
Other languages
German (de)
English (en)
Other versions
DE3781951D1 (de
Inventor
Jean Robin
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.)
Rhodia Chimie SAS
Original Assignee
Rhone Poulenc 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
Application filed by Rhone Poulenc Chimie SA filed Critical Rhone Poulenc Chimie SA
Publication of DE3781951D1 publication Critical patent/DE3781951D1/de
Application granted granted Critical
Publication of DE3781951T2 publication Critical patent/DE3781951T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C08G18/77Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78Nitrogen
    • C08G18/7806Nitrogen containing -N-C=0 groups
    • C08G18/7818Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups
    • C08G18/7831Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups containing biuret groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C265/00Derivatives of isocyanic acid
    • C07C265/10Derivatives of isocyanic acid having isocyanate groups bound to carbon atoms of rings other than six-membered aromatic rings
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/18Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas
    • C07C273/1809Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas with formation of the N-C(O)-N moiety

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Image Analysis (AREA)
  • Color Printing (AREA)
DE8787420184T 1986-07-04 1987-07-01 Verfahren zur herstellung von polyisocyanaten mit biuretstruktur. Expired - Fee Related DE3781951T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8609947A FR2601007B1 (fr) 1986-07-04 1986-07-04 Procede de preparation de polyisocyanate a groupement biuret

Publications (2)

Publication Number Publication Date
DE3781951D1 DE3781951D1 (de) 1992-11-05
DE3781951T2 true DE3781951T2 (de) 1993-03-11

Family

ID=9337215

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787420184T Expired - Fee Related DE3781951T2 (de) 1986-07-04 1987-07-01 Verfahren zur herstellung von polyisocyanaten mit biuretstruktur.

Country Status (10)

Country Link
US (1) US4983762A (Direct)
EP (1) EP0251952B1 (Direct)
JP (1) JPS6322554A (Direct)
KR (1) KR900008134B1 (Direct)
AT (1) ATE81117T1 (Direct)
BR (1) BR8703375A (Direct)
CA (1) CA1276745C (Direct)
DE (1) DE3781951T2 (Direct)
ES (1) ES2033911T3 (Direct)
FR (1) FR2601007B1 (Direct)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0766076B2 (ja) * 1990-08-14 1995-07-19 動力炉・核燃料開発事業団 マイクロ波による連続加熱脱硝装置
DE4443885A1 (de) 1994-12-09 1996-06-13 Basf Ag Verfahren zur Herstellung von Biuretgruppen enthaltenden Polyisocyanaten
DE19525474A1 (de) * 1995-07-12 1997-01-16 Basf Ag Verfahren und Vorrichtung zur Herstellung von (cyclo)aliphatische Biuretgruppen enthaltenden Polyisocyananten
TWI530510B (zh) 2012-11-01 2016-04-21 旭化成化學股份有限公司 聚異氰酸酯組成物及異氰酸酯聚合物組成物
KR101493269B1 (ko) * 2014-09-17 2015-02-16 애경화학 주식회사 저장성이 향상된 뷰렛 그룹 함유 알리파틱 폴리이소시아네이트의 제조방법
WO2018070539A1 (ja) 2016-10-14 2018-04-19 旭化成株式会社 イソシアネート組成物及びイソシアネート重合体の製造方法
TW201829375A (zh) 2016-10-14 2018-08-16 日商旭化成股份有限公司 異氰酸酯組成物、異氰酸酯組成物的製造方法及異氰酸酯聚合物的製造方法
WO2023080258A1 (ja) 2021-11-08 2023-05-11 旭化成株式会社 カルボニル化合物、カルボニル化合物の製造方法、イソシアネート化合物の製造方法、及びイソシアネート組成物

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4218390A (en) * 1979-05-09 1980-08-19 Brusilovsky Mikhail G Method for preparing biuret-structure polyisocyanates
DE3403278A1 (de) * 1984-01-31 1985-08-01 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von polyisocyanaten mit biuretstruktur

Also Published As

Publication number Publication date
ATE81117T1 (de) 1992-10-15
FR2601007B1 (fr) 1988-11-10
KR900008134B1 (ko) 1990-10-31
FR2601007A1 (fr) 1988-01-08
EP0251952A3 (en) 1988-09-07
CA1276745C (fr) 1990-11-20
ES2033911T3 (es) 1993-04-01
DE3781951D1 (de) 1992-11-05
JPH0262545B2 (Direct) 1990-12-26
BR8703375A (pt) 1988-03-15
US4983762A (en) 1991-01-08
EP0251952A2 (fr) 1988-01-07
JPS6322554A (ja) 1988-01-30
KR880001582A (ko) 1988-04-25
EP0251952B1 (fr) 1992-09-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: PATENTANWAELTE GESTHUYSEN, VON ROHR & EGGERT, 45128

8339 Ceased/non-payment of the annual fee