BR7701381A - PROCESS FOR THE PREPARATION OF POLYISOCIANATES PRESENTING BIURET GROUPS - Google Patents

PROCESS FOR THE PREPARATION OF POLYISOCIANATES PRESENTING BIURET GROUPS

Info

Publication number
BR7701381A
BR7701381A BR7701381A BR7701381A BR7701381A BR 7701381 A BR7701381 A BR 7701381A BR 7701381 A BR7701381 A BR 7701381A BR 7701381 A BR7701381 A BR 7701381A BR 7701381 A BR7701381 A BR 7701381A
Authority
BR
Brazil
Prior art keywords
polyisocianates
presenting
preparation
biuret groups
biuret
Prior art date
Application number
BR7701381A
Other languages
Portuguese (pt)
Inventor
H Schmelzer
K Wagner
H Hetzel
K Konig
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of BR7701381A publication Critical patent/BR7701381A/en

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
    • C07C273/1809Preparation 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
    • C07C273/1818Preparation 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 from -N=C=O and XNR'R"
    • C07C273/1827X being H
    • 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

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR7701381A 1976-03-10 1977-03-08 PROCESS FOR THE PREPARATION OF POLYISOCIANATES PRESENTING BIURET GROUPS BR7701381A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2609995A DE2609995C3 (en) 1976-03-10 1976-03-10 Process for the preparation of polyisocyanates containing biuret groups

Publications (1)

Publication Number Publication Date
BR7701381A true BR7701381A (en) 1978-05-02

Family

ID=5972047

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7701381A BR7701381A (en) 1976-03-10 1977-03-08 PROCESS FOR THE PREPARATION OF POLYISOCIANATES PRESENTING BIURET GROUPS

Country Status (13)

Country Link
JP (1) JPS52108927A (en)
AT (1) AT346832B (en)
AU (1) AU506589B2 (en)
BE (1) BE852265A (en)
BR (1) BR7701381A (en)
CA (1) CA1077956A (en)
CH (1) CH627739A5 (en)
DD (1) DD130041A5 (en)
DE (1) DE2609995C3 (en)
ES (1) ES456660A1 (en)
FR (1) FR2357589A1 (en)
GB (1) GB1550521A (en)
NL (1) NL7702438A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2803103A1 (en) * 1978-01-25 1979-07-26 Bayer Ag PROCESS FOR THE PREPARATION OF ORGANIC POLYISOCYANATES CONTAINING BIURET AND / OR UREA GROUPS
DE3003543A1 (en) * 1980-01-31 1981-08-06 Bayer Ag, 5090 Leverkusen METHOD FOR THE PRODUCTION OF MODIFIED POLYISOCYNATES AND THEIR USE AS A BUILD-UP COMPONENT IN THE PRODUCTION OF POLYURETHANE PLASTICS
DE3143060A1 (en) * 1981-10-30 1983-05-11 Chemische Werke Hüls AG, 4370 Marl Powder coatings based on blocked isophorone diisocyanate adducts
IN172016B (en) * 1986-04-25 1993-03-13 Uop Inc
DE3700209A1 (en) * 1987-01-07 1988-07-21 Bayer Ag METHOD FOR PRODUCING POLYISOCYANATES WITH BIURET STRUCTURE
DE4439421A1 (en) * 1994-11-04 1996-05-09 Huels Chemische Werke Ag New polyamines containing urea groups and processes for their preparation
DE19633404A1 (en) * 1996-08-19 1998-02-26 Basf Ag Process for the production of polyisocyanates containing biuret groups from (cyclo) aliphatic diisocyanates
US8609887B2 (en) 2011-03-03 2013-12-17 Basf Se Process for preparing polyisocyanates comprising biuret groups
WO2012117099A1 (en) 2011-03-03 2012-09-07 Basf Se Process for preparing polyisocyanates containing biuret groups

Also Published As

Publication number Publication date
JPS6229426B2 (en) 1987-06-25
FR2357589A1 (en) 1978-02-03
DD130041A5 (en) 1978-03-01
FR2357589B1 (en) 1983-10-07
DE2609995C3 (en) 1979-12-06
AU2307777A (en) 1978-09-14
CA1077956A (en) 1980-05-20
DE2609995B2 (en) 1978-03-23
GB1550521A (en) 1979-08-15
AU506589B2 (en) 1980-01-10
ATA153977A (en) 1978-04-15
DE2609995A1 (en) 1977-09-22
BE852265A (en) 1977-09-09
CH627739A5 (en) 1982-01-29
ES456660A1 (en) 1978-01-16
JPS52108927A (en) 1977-09-12
AT346832B (en) 1978-11-27
NL7702438A (en) 1977-09-13

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