FR2457855A1 - Procede de preparation des polyisocyanates ayant la structure du biuret - Google Patents

Procede de preparation des polyisocyanates ayant la structure du biuret

Info

Publication number
FR2457855A1
FR2457855A1 FR7913637A FR7913637A FR2457855A1 FR 2457855 A1 FR2457855 A1 FR 2457855A1 FR 7913637 A FR7913637 A FR 7913637A FR 7913637 A FR7913637 A FR 7913637A FR 2457855 A1 FR2457855 A1 FR 2457855A1
Authority
FR
France
Prior art keywords
isocyanate
prepd
biuret
mfr
hexa
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.)
Granted
Application number
FR7913637A
Other languages
English (en)
French (fr)
Other versions
FR2457855B1 (enExample
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.)
BRUSILOVSKY MIKHAIL
Original Assignee
BRUSILOVSKY MIKHAIL
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 BRUSILOVSKY MIKHAIL filed Critical BRUSILOVSKY MIKHAIL
Priority to FR7913637A priority Critical patent/FR2457855A1/fr
Priority to NL7904323A priority patent/NL173166C/xx
Publication of FR2457855A1 publication Critical patent/FR2457855A1/fr
Application granted granted Critical
Publication of FR2457855B1 publication Critical patent/FR2457855B1/fr
Granted legal-status Critical Current

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
    • C08G18/70—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
    • C08G18/7806—Nitrogen containing -N-C=0 groups
    • C08G18/7818—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups
    • C08G18/7831—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups containing biuret groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/18—Preparation 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
    • C07C273/1872—Preparation of compounds comprising a -N-C(O)-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)
  • Polyurethanes Or Polyureas (AREA)
  • Paints Or Removers (AREA)
FR7913637A 1979-05-29 1979-05-29 Procede de preparation des polyisocyanates ayant la structure du biuret Granted FR2457855A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7913637A FR2457855A1 (fr) 1979-05-29 1979-05-29 Procede de preparation des polyisocyanates ayant la structure du biuret
NL7904323A NL173166C (nl) 1979-05-29 1979-06-01 Werkwijze voor het bereiden van polyisocyanaten met een biureetstructuur.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7913637A FR2457855A1 (fr) 1979-05-29 1979-05-29 Procede de preparation des polyisocyanates ayant la structure du biuret
NL7904323A NL173166C (nl) 1979-05-29 1979-06-01 Werkwijze voor het bereiden van polyisocyanaten met een biureetstructuur.

Publications (2)

Publication Number Publication Date
FR2457855A1 true FR2457855A1 (fr) 1980-12-26
FR2457855B1 FR2457855B1 (enExample) 1983-10-14

Family

ID=26221184

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7913637A Granted FR2457855A1 (fr) 1979-05-29 1979-05-29 Procede de preparation des polyisocyanates ayant la structure du biuret

Country Status (2)

Country Link
FR (1) FR2457855A1 (enExample)
NL (1) NL173166C (enExample)

Also Published As

Publication number Publication date
NL173166C (nl) 1983-12-16
NL7904323A (nl) 1980-12-03
FR2457855B1 (enExample) 1983-10-14

Similar Documents

Publication Publication Date Title
US2850467A (en) Continuous production of cellular polyurethane plastics
DK236785D0 (da) Reaktiv, lagringsstabil polyurethanpraepolymer og produkt fremstillet herfra
IE41123B1 (en) A process for the production of polyurethane foams
HUP0301889A2 (hu) Módosított poliizocionátok, előállítási eljárásuk, alkalmazásuk PUR előállítási alapanyagként és az ezeket tartalmazó bevonat
ES479767A1 (es) Procedimiento continuo para la obtencion de poliuretanos termoplasticos.
NO844600L (no) Kjemisk herdende tokomponentmasse, fremgangsmaate ved fremstilling av denne og anvendelse av denne
JPS6485213A (en) Manufacture of polyurethane using stabilized polyisocyanate
DE59507587D1 (de) Verfahren zur Herstellung von mehrschichtigen Lackierungen
CA2125237A1 (en) Polyisocyanates containing allophanate and isocyanurate groups, a process for their production from cyclic diisocyanates and their use in two-component coating compositions
DK0929586T3 (da) Lysægte, elastomere polyurethanstøbte emner og fremgangsmåde til fremstilling deraf
CA2093884A1 (en) Polyisocyanates containing allophanate and isocyanurate groups, a process for their production from a mixture of diisocyanates and their use in two-component coating compositions
ES8304603A1 (es) Un metodo para producir un agente de hermeticidad de poliuretano.
DE2966876D1 (en) Modified diisocyanate compositions and polyurethanes thereof
ES8802459A1 (es) Procedimiento para la obtencion de revestimientos de poliuretano
EP0043651A3 (en) Polyisocyanates
ES454068A1 (es) Procedimiento para revestir por recubrimiento sustratos ar- bitrarios.
CA2163169A1 (en) A process for the production of polyisocyanates at least partially blocked with 3,5-dimethylpyrazole
GB1530885A (en) Process for the manufacture of plastics
KR970015566A (ko) 알로파네이트기 및 블록화 이소시아네이트기를 함유하는 디페닐메탄 디이소시아네이트 기재 폴리이소시아네이트
ES8404383A1 (es) Procedimiento para la obtencion de materiales sinteticos a base de poliisocianato.
CA2174305A1 (en) Method of producing gaskets from polyurethane/urea compositions and gaskets produced therefrom
AU6144480A (en) Process and material composition for making a pneumatic tyre
ATE10503T1 (de) Hitzehaertbare formmassen, verfahren zu deren herstellung und deren verwendung in einem verfahren zur herstellung von formkoerpern.
FR2457855A1 (fr) Procede de preparation des polyisocyanates ayant la structure du biuret
AU6700486A (en) A process for the production of blocked polyisocyanates containing carbodiimide groups, the polyisocyanates obtainable by this process and their use for the production of plastics

Legal Events

Date Code Title Description
ST Notification of lapse