DE2347742A1 - Verfahren zur herstellung hoch molekularer polyisocyanate - Google Patents

Verfahren zur herstellung hoch molekularer polyisocyanate

Info

Publication number
DE2347742A1
DE2347742A1 DE19732347742 DE2347742A DE2347742A1 DE 2347742 A1 DE2347742 A1 DE 2347742A1 DE 19732347742 DE19732347742 DE 19732347742 DE 2347742 A DE2347742 A DE 2347742A DE 2347742 A1 DE2347742 A1 DE 2347742A1
Authority
DE
Germany
Prior art keywords
diisocyanate
molecular weight
solvent
aliphatic
group
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.)
Ceased
Application number
DE19732347742
Other languages
German (de)
English (en)
Inventor
Antonio Rabizzoni
Aldo Trovati
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.)
Montedison SpA
Original Assignee
Montedison SpA
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 Montedison SpA filed Critical Montedison SpA
Publication of DE2347742A1 publication Critical patent/DE2347742A1/de
Ceased 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
    • C08G18/80Masked 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
    • C08G18/8009Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Adhesives Or Adhesive Processes (AREA)
DE19732347742 1972-09-22 1973-09-21 Verfahren zur herstellung hoch molekularer polyisocyanate Ceased DE2347742A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT29524/72A IT967742B (it) 1972-09-22 1972-09-22 Procedimento per la preparazione di poliisocianati ad alto peso molecolare

Publications (1)

Publication Number Publication Date
DE2347742A1 true DE2347742A1 (de) 1974-04-04

Family

ID=11227395

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732347742 Ceased DE2347742A1 (de) 1972-09-22 1973-09-21 Verfahren zur herstellung hoch molekularer polyisocyanate

Country Status (10)

Country Link
US (1) US3883577A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS4975530A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE805146A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1008462A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2347742A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES418984A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2200318B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1447093A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT967742B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7312835A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4038304A (en) * 1974-05-20 1977-07-26 Takeda Chemical Industries, Ltd. Urethane prepolymer
US4385171A (en) * 1982-04-30 1983-05-24 Olin Corporation Research Center Removal of unreacted diisocyanate from polyurethane prepolymers
US4743632A (en) * 1987-02-25 1988-05-10 Pfizer Hospital Products Group, Inc. Polyetherurethane urea polymers as space filling tissue adhesives
US5051152A (en) * 1989-09-26 1991-09-24 Air Products And Chemicals, Inc. Preparation of urethane prepolymers having low levels of residual toluene diisocyanate
JPH0480224A (ja) * 1990-07-23 1992-03-13 Dai Ichi Kogyo Seiyaku Co Ltd 水硬性ポリウレタンプレポリマー組成物
US5817734A (en) * 1997-11-03 1998-10-06 Bayer Corporation Prepolymers with low TDI content
US5925781A (en) * 1997-11-03 1999-07-20 Bayer Corporation Prepolymers with low monomeric TDI content
US20030092848A1 (en) * 2001-09-11 2003-05-15 Ashok Sengupta Sprayable liner for supporting the rock surface of a mine
US6664414B2 (en) 2001-09-11 2003-12-16 3M Innovative Properties Company Process for reducing residual isocyanate
US20050282989A1 (en) * 2004-06-17 2005-12-22 Rosthauser James W TDI prepolymers with improved processing characteristics
AU2005287031A1 (en) * 2004-09-20 2006-03-30 3M Innovative Properties Company Surface support method
US20080015310A1 (en) * 2004-09-20 2008-01-17 Jiangdong Tong Surface Support Method
US20070149656A1 (en) * 2005-12-23 2007-06-28 3M Innovative Properties Company Sprayable mining liner composition
JP4863941B2 (ja) * 2007-05-31 2012-01-25 中国電力株式会社 オイル吸着シート連結具、及びオイル吸着シート連結ユニット
WO2020016118A1 (de) 2018-07-16 2020-01-23 Covestro Deutschland Ag VERFAHREN ZUR HERSTELLUNG VON OLIGOMEREN POLYISOCYANATEN MIT ANSCHLIEßENDER FRAKTIONIERTER FLÜSSIG-FLÜSSIG-EXTRAKTION
WO2020016117A1 (de) 2018-07-16 2020-01-23 Covestro Deutschland Ag Verfahren zur herstellung von oligomeren polyisocyanaten
WO2020016120A1 (de) * 2018-07-16 2020-01-23 Covestro Deutschland Ag Verfahren zur herstellung von oligomeren verbindungen durch fraktionierte extraktive reaktion

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3804844A (en) * 1970-12-02 1974-04-16 Dow Chemical Co Process for preparing pyridylcarbamates

Also Published As

Publication number Publication date
CA1008462A (en) 1977-04-12
NL7312835A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-03-26
FR2200318A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-04-19
US3883577A (en) 1975-05-13
GB1447093A (en) 1976-08-25
IT967742B (it) 1974-03-11
ES418984A1 (es) 1976-03-01
JPS4975530A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-07-20
FR2200318B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-05-14
BE805146A (fr) 1974-03-21

Similar Documents

Publication Publication Date Title
DE2347742A1 (de) Verfahren zur herstellung hoch molekularer polyisocyanate
DE1618380C3 (de) Verfahren zur Herstellung eines bei Raumtemperatur flüssigen Diphenylmethan-diisocyanatpräparates
EP0316738B1 (de) Verfahren zur Herstellung von Urethangruppen aufweisenden Polyisocyanaten
DE69513159T2 (de) Verfahren zur herstellung von polycarbonaten mit hydroxylendgruppen
EP1206498A1 (de) Verfahren zur herstellung von polyetherpolyolen
EP0340584A1 (de) Verfahren zur Herstellung von modifizierten Polyisocyanaten.
DE69007392T2 (de) Herstellung von Urethanprepolymeren mit einem niedrigen Restgehalt an Diisocyanat.
DE1494465C3 (de) Feuchtigkeitstrocknende Eintopfüberzugs- und -klebemasse
DE3883854T2 (de) Verfahren zur Herstellung von Hartschäumen.
EP1685174A1 (de) Verfahren zur herstellung von isocyanatgruppen enthaltenden prepolymeren
WO2004096746A1 (de) Ausgangsverbindungen für die herstellung von polyurethanen
DE3249794C2 (de) Verfahren zur Herstellung von polymeren Polyolen
DE831604C (de) Verfahren zur Herstellung von Kunststoffen
DE4429345A1 (de) Polyurethane mit verbessertem Weiterreiß-Widerstand
DE2649226C2 (de) O,O'-Bis-(2-hydroxyalkyl)-(1)-N,N-di(niedrigalkyl)aminomethanphosphonate und ihre Verwendung in lagerungsstabilen Vormischungen zur Herstellung feuerhemmender Polyurethanschaumstoffe
DE1745919C3 (de) Verfahren zur Herstellung von Polyurethanen
DE2624526B2 (de) Verfahren zur Herstellung von modifizierten Polyisocyanaten der Diphenylmethanreihe
DE1745144A1 (de) Polyurethankunststoffe einschliesslich Schaumstoffen und Verfahren zu ihrer Herstellung
DE1518464A1 (de) Verfahren zur Herstellung von Polyisocyanatmassen
EP0360087B1 (de) Neue Estergruppen gebunden enthaltende Dihydroxyverbindungen, Verfahren zu ihrer Herstellung und ihre Verwendung
DE3610198A1 (de) Polyisocyanat-zubereitungen, ein verfahren zu ihrer herstellung und ihrer verwendung zur herstellung von polyurethan-kunststoffen oder als lufttrocknende beschichtungs- oder klebemittel
DE4026705A1 (de) Dimerisierungskatalysatoren, ein verfahren zu ihrer herstellung und ihre verwendung bei der herstellung von uretdion- und isocyanuratgruppen aufweisenden polyisocyanaten
DE1215360B (de) Verfahren zur Herstellung Urethangruppen enthaltender Schaumstoffe
DE2713776C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT390442B (de) Verfahren zur herstellung von n-(2-benzimidazolyl)-carbamidsaeurealkylester-pr parationen und deren verwendung fuer holzschutzlacke

Legal Events

Date Code Title Description
OD Request for examination
8125 Change of the main classification

Ipc: C07C119/042

8131 Rejection