IT967742B - Procedimento per la preparazione di poliisocianati ad alto peso molecolare - Google Patents

Procedimento per la preparazione di poliisocianati ad alto peso molecolare

Info

Publication number
IT967742B
IT967742B IT29524/72A IT2952472A IT967742B IT 967742 B IT967742 B IT 967742B IT 29524/72 A IT29524/72 A IT 29524/72A IT 2952472 A IT2952472 A IT 2952472A IT 967742 B IT967742 B IT 967742B
Authority
IT
Italy
Prior art keywords
procedure
preparation
molecular weight
high molecular
weight polyisocyanates
Prior art date
Application number
IT29524/72A
Other languages
English (en)
Italian (it)
Inventor
A Rabizzoni
A Trovati
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
Priority to IT29524/72A priority Critical patent/IT967742B/it
Priority to NL7312835A priority patent/NL7312835A/xx
Priority to JP48105128A priority patent/JPS4975530A/ja
Priority to FR7333528A priority patent/FR2200318B1/fr
Priority to CA181,485A priority patent/CA1008462A/en
Priority to US399722A priority patent/US3883577A/en
Priority to BE135894A priority patent/BE805146A/xx
Priority to GB4447573A priority patent/GB1447093A/en
Priority to DE19732347742 priority patent/DE2347742A1/de
Priority to ES418984A priority patent/ES418984A1/es
Application granted granted Critical
Publication of IT967742B publication Critical patent/IT967742B/it

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
    • C08G18/80—Masked polyisocyanates
    • C08G18/8003—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
    • C08G18/8006—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32
    • C08G18/8009—Masked 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)
IT29524/72A 1972-09-22 1972-09-22 Procedimento per la preparazione di poliisocianati ad alto peso molecolare IT967742B (it)

Priority Applications (10)

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
NL7312835A NL7312835A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-09-22 1973-09-18
FR7333528A FR2200318B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-09-22 1973-09-19
JP48105128A JPS4975530A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-09-22 1973-09-19
CA181,485A CA1008462A (en) 1972-09-22 1973-09-20 Process for preparing high molecular weight polyisocyanates
US399722A US3883577A (en) 1972-09-22 1973-09-21 Process for preparing high molecular weight polyisocyanates
BE135894A BE805146A (fr) 1972-09-22 1973-09-21 Procede de preparation de polyisocyanantes de poids moleculaire eleve
GB4447573A GB1447093A (en) 1972-09-22 1973-09-21 Process for preparing polyisocyanates radiator
DE19732347742 DE2347742A1 (de) 1972-09-22 1973-09-21 Verfahren zur herstellung hoch molekularer polyisocyanate
ES418984A ES418984A1 (es) 1972-09-22 1973-09-21 Procedimiento para preparar poliisocianatos de elevado pesomolecular.

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
IT967742B true IT967742B (it) 1974-03-11

Family

ID=11227395

Family Applications (1)

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

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
US6664414B2 (en) 2001-09-11 2003-12-16 3M Innovative Properties Company Process for reducing residual isocyanate
US20030092848A1 (en) * 2001-09-11 2003-05-15 Ashok Sengupta Sprayable liner for supporting the rock surface of a mine
US20050282989A1 (en) * 2004-06-17 2005-12-22 Rosthauser James W TDI prepolymers with improved processing characteristics
US20080097043A1 (en) * 2004-09-20 2008-04-24 Jiangdong Tong Surface Support Method
WO2006034082A1 (en) * 2004-09-20 2006-03-30 3M Innovative Properties Company 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
WO2020016117A1 (de) 2018-07-16 2020-01-23 Covestro Deutschland Ag Verfahren zur herstellung von oligomeren polyisocyanaten
WO2020016118A1 (de) 2018-07-16 2020-01-23 Covestro Deutschland Ag VERFAHREN ZUR HERSTELLUNG VON OLIGOMEREN POLYISOCYANATEN MIT ANSCHLIEßENDER FRAKTIONIERTER FLÜSSIG-FLÜSSIG-EXTRAKTION
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
GB1447093A (en) 1976-08-25
NL7312835A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-03-26
ES418984A1 (es) 1976-03-01
CA1008462A (en) 1977-04-12
FR2200318A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-04-19
DE2347742A1 (de) 1974-04-04
BE805146A (fr) 1974-03-21
FR2200318B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-05-14
US3883577A (en) 1975-05-13
JPS4975530A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-07-20

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