ES429142A1 - Mejoras introducidas en un procedimiento para la preparacionde un poli-isocianato de biuret. - Google Patents

Mejoras introducidas en un procedimiento para la preparacionde un poli-isocianato de biuret.

Info

Publication number
ES429142A1
ES429142A1 ES429142A ES429142A ES429142A1 ES 429142 A1 ES429142 A1 ES 429142A1 ES 429142 A ES429142 A ES 429142A ES 429142 A ES429142 A ES 429142A ES 429142 A1 ES429142 A1 ES 429142A1
Authority
ES
Spain
Prior art keywords
polyisocyanate
biuret polyisocyanates
biuret
polyisocyanates
reacting
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
Application number
ES429142A
Other languages
English (en)
Spanish (es)
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of ES429142A1 publication Critical patent/ES429142A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C07C273/1854Preparation 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 by reactions not involving the formation of the N-C(O)-N- moiety
    • C07C273/1863Preparation 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 by reactions not involving the formation of the N-C(O)-N- moiety from urea
    • 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
    • C07C273/1872Preparation of compounds comprising a -N-C(O)-N-C(O)-N- moiety
    • 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
    • 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
    • C08G18/8038Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3225
    • 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
    • C08G18/8054Masked 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ES429142A 1973-08-09 1974-08-09 Mejoras introducidas en un procedimiento para la preparacionde un poli-isocianato de biuret. Expired ES429142A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US38703073A 1973-08-09 1973-08-09
US05/458,183 US3954825A (en) 1973-08-09 1974-04-05 Biuret polyisocyanates

Publications (1)

Publication Number Publication Date
ES429142A1 true ES429142A1 (es) 1977-01-01

Family

ID=27011708

Family Applications (1)

Application Number Title Priority Date Filing Date
ES429142A Expired ES429142A1 (es) 1973-08-09 1974-08-09 Mejoras introducidas en un procedimiento para la preparacionde un poli-isocianato de biuret.

Country Status (8)

Country Link
US (1) US3954825A (US20030199744A1-20031023-C00003.png)
JP (2) JPS5531772B2 (US20030199744A1-20031023-C00003.png)
DE (1) DE2438258C3 (US20030199744A1-20031023-C00003.png)
ES (1) ES429142A1 (US20030199744A1-20031023-C00003.png)
FR (1) FR2240250B1 (US20030199744A1-20031023-C00003.png)
GB (1) GB1474984A (US20030199744A1-20031023-C00003.png)
IT (1) IT1019811B (US20030199744A1-20031023-C00003.png)
SE (1) SE419969B (US20030199744A1-20031023-C00003.png)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2803103A1 (de) * 1978-01-25 1979-07-26 Bayer Ag Verfahren zur herstellung von biuret- und/oder harnstoffgruppen aufweisenden organischen polyisocyanaten
DE3403278A1 (de) * 1984-01-31 1985-08-01 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von polyisocyanaten mit biuretstruktur
DE3403277A1 (de) * 1984-01-31 1985-08-01 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von polyisocyanaten mit biuretstruktur
US4783517A (en) * 1986-04-25 1988-11-08 Uop Inc. Polyureas as coatings
DE3742181A1 (de) * 1987-12-12 1989-06-22 Bayer Ag Verfahren zur herstellung von biuretpolyisocyanaten, die nach diesem verfahren erhaltenen verbindungen und ihre verwendung
JPH01145701U (US20030199744A1-20031023-C00003.png) * 1988-03-30 1989-10-06
DE3825147A1 (de) * 1988-07-23 1990-03-08 Bayer Ag Verfahren zur herstellung von polyurethanschaumstoffen
GB8913196D0 (en) * 1989-06-08 1989-07-26 Ici Gmbh Polyisocyanate and polyol composition
DE4019306A1 (de) * 1990-06-16 1991-12-19 Bayer Ag Verfahren zur herstellung von im wesentlichen geschlossenzelligen urethan-, harnstoff- und biuretgruppen aufweisenden hartschaumstoffen mit hervorragender haftung an festen oberflaechen und deren verwendung
DE19707577A1 (de) * 1997-02-26 1998-08-27 Bayer Ag Elastische Biuret-modifizierte Polyurethanschaumstoffe sowie ein Verfahren zu ihrer Herstellung
DE19707576C1 (de) * 1997-02-26 1998-04-16 Bayer Ag Verfahren zur Herstellung von Polyisocyanaten mit Biuretstruktur
DE19745462A1 (de) * 1997-10-15 1999-04-22 Bayer Ag Halbharte Polyurethanschaumstoffe auf Basis biuretmodifizierter Polyisocyanate, Verbundbauteile unter Verwendung dieser halbharten Polyurethanschaumstoffe sowie ein Verfahren zu deren Herstellung
DE19746807A1 (de) * 1997-10-23 1999-04-29 Basf Ag Verfahren zur Herstellung von Polyurethanschaumstoffen
DE19813107A1 (de) * 1998-03-25 1999-09-30 Basf Ag Verfahren zur Herstellung von Polyurethanschaumstoffen
WO2000028109A1 (fr) 1998-11-08 2000-05-18 Nkk Corporation Feuille d'acier traitee en surface presentant une excellente resistance a la corrosion et son procede de production
CN102991023B (zh) 2003-11-21 2016-08-10 杰富意钢铁株式会社 抗蚀性、导电性及被膜外观优良的表面处理钢板
DE102007009126A1 (de) * 2007-02-24 2008-08-28 Bayer Materialscience Ag Verfahren zur Herstellung Polyurethan-Weichschaumstoffen mit niedriger Rohdichte
EP2272883A1 (de) * 2009-07-08 2011-01-12 Basf Se Monomerarmes Polyisocyanatprepolymer und monomerarmer Dosenschaum
MX2016000554A (es) * 2013-07-25 2016-04-18 Dow Global Technologies Llc Espuma de poliuretano flexible resistente a las llamas.
CN116199856B (zh) * 2023-03-08 2024-05-07 安徽开捷汽车部件有限公司 一种高硬度阻燃聚氨酯发泡原材料的制备方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3824266A (en) * 1969-12-17 1974-07-16 Bayer Ag Polyisocyanates which contain biuret groups

Also Published As

Publication number Publication date
DE2438258C3 (de) 1978-09-07
JPS5327694A (en) 1978-03-15
SE419969B (sv) 1981-09-07
US3954825A (en) 1976-05-04
FR2240250B1 (US20030199744A1-20031023-C00003.png) 1978-10-13
DE2438258B2 (de) 1977-02-10
JPS5531772B2 (US20030199744A1-20031023-C00003.png) 1980-08-20
IT1019811B (it) 1977-11-30
JPS565452B2 (US20030199744A1-20031023-C00003.png) 1981-02-05
FR2240250A1 (US20030199744A1-20031023-C00003.png) 1975-03-07
JPS5047942A (US20030199744A1-20031023-C00003.png) 1975-04-28
GB1474984A (en) 1977-05-25
DE2438258A1 (de) 1975-03-06
SE7410185L (US20030199744A1-20031023-C00003.png) 1975-02-10
AU7213974A (en) 1976-02-12

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