BE805146A - Procede de preparation de polyisocyanantes de poids moleculaire eleve - Google Patents

Procede de preparation de polyisocyanantes de poids moleculaire eleve

Info

Publication number
BE805146A
BE805146A BE135894A BE135894A BE805146A BE 805146 A BE805146 A BE 805146A BE 135894 A BE135894 A BE 135894A BE 135894 A BE135894 A BE 135894A BE 805146 A BE805146 A BE 805146A
Authority
BE
Belgium
Prior art keywords
polyisocyanants
preparing
molecular weight
high molecular
weight
Prior art date
Application number
BE135894A
Other languages
English (en)
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
Publication of BE805146A publication Critical patent/BE805146A/fr

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)
BE135894A 1972-09-22 1973-09-21 Procede de preparation de polyisocyanantes de poids moleculaire eleve BE805146A (fr)

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
BE805146A true BE805146A (fr) 1974-03-21

Family

ID=11227395

Family Applications (1)

Application Number Title Priority Date Filing Date
BE135894A BE805146A (fr) 1972-09-22 1973-09-21 Procede de preparation de polyisocyanantes de poids moleculaire eleve

Country Status (10)

Country Link
US (1) US3883577A (fr)
JP (1) JPS4975530A (fr)
BE (1) BE805146A (fr)
CA (1) CA1008462A (fr)
DE (1) DE2347742A1 (fr)
ES (1) ES418984A1 (fr)
FR (1) FR2200318B1 (fr)
GB (1) GB1447093A (fr)
IT (1) IT967742B (fr)
NL (1) NL7312835A (fr)

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
JP2008513203A (ja) * 2004-09-20 2008-05-01 スリーエム イノベイティブ プロパティズ カンパニー 表面支持方法
CA2580233A1 (fr) * 2004-09-20 2006-03-30 3M Innovative Properties Company Methode de renfort de surface
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 (fr) 2018-07-16 2020-01-23 Covestro Deutschland Ag Procédé de préparation de polyisocyanates oligomères
WO2020016120A1 (fr) * 2018-07-16 2020-01-23 Covestro Deutschland Ag Procédé de préparation de composés oligomères par réaction extractive fractionnée
WO2020016118A1 (fr) 2018-07-16 2020-01-23 Covestro Deutschland Ag Procédé de préparation de polyisocyanates oligomères avec extraction liquide-liquide fractionnée subséquente

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
NL7312835A (fr) 1974-03-26
JPS4975530A (fr) 1974-07-20
IT967742B (it) 1974-03-11
CA1008462A (en) 1977-04-12
DE2347742A1 (de) 1974-04-04
ES418984A1 (es) 1976-03-01
GB1447093A (en) 1976-08-25
FR2200318A1 (fr) 1974-04-19
US3883577A (en) 1975-05-13
FR2200318B1 (fr) 1976-05-14

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