ES418984A1 - Procedimiento para preparar poliisocianatos de elevado pesomolecular. - Google Patents

Procedimiento para preparar poliisocianatos de elevado pesomolecular.

Info

Publication number
ES418984A1
ES418984A1 ES418984A ES418984A ES418984A1 ES 418984 A1 ES418984 A1 ES 418984A1 ES 418984 A ES418984 A ES 418984A ES 418984 A ES418984 A ES 418984A ES 418984 A1 ES418984 A1 ES 418984A1
Authority
ES
Spain
Prior art keywords
molecular weight
high molecular
weight polyisocyanates
solvents
volatile
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.)
Expired
Application number
ES418984A
Other languages
English (en)
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
Montecatini Edison 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, Montecatini Edison SpA filed Critical Montedison SpA
Publication of ES418984A1 publication Critical patent/ES418984A1/es
Expired 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
    • C08G18/80—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)
ES418984A 1972-09-22 1973-09-21 Procedimiento para preparar poliisocianatos de elevado pesomolecular. Expired ES418984A1 (es)

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
ES418984A1 true ES418984A1 (es) 1976-03-01

Family

ID=11227395

Family Applications (1)

Application Number Title Priority Date Filing Date
ES418984A Expired ES418984A1 (es) 1972-09-22 1973-09-21 Procedimiento para preparar poliisocianatos de elevado pesomolecular.

Country Status (10)

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

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 (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
WO2020016120A1 (de) * 2018-07-16 2020-01-23 Covestro Deutschland Ag Verfahren zur herstellung von oligomeren verbindungen durch fraktionierte extraktive reaktion
WO2020016118A1 (de) 2018-07-16 2020-01-23 Covestro Deutschland Ag VERFAHREN ZUR HERSTELLUNG VON OLIGOMEREN POLYISOCYANATEN MIT ANSCHLIEßENDER FRAKTIONIERTER FLÜSSIG-FLÜSSIG-EXTRAKTION

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 (es) 1974-03-26
BE805146A (fr) 1974-03-21
JPS4975530A (es) 1974-07-20
IT967742B (it) 1974-03-11
CA1008462A (en) 1977-04-12
DE2347742A1 (de) 1974-04-04
GB1447093A (en) 1976-08-25
FR2200318A1 (es) 1974-04-19
US3883577A (en) 1975-05-13
FR2200318B1 (es) 1976-05-14

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