ES459327A1 - Procedimiento para la obtencion de poliisocianatos modifica-dos de la serie difenilmetano. - Google Patents

Procedimiento para la obtencion de poliisocianatos modifica-dos de la serie difenilmetano.

Info

Publication number
ES459327A1
ES459327A1 ES459327A ES459327A ES459327A1 ES 459327 A1 ES459327 A1 ES 459327A1 ES 459327 A ES459327 A ES 459327A ES 459327 A ES459327 A ES 459327A ES 459327 A1 ES459327 A1 ES 459327A1
Authority
ES
Spain
Prior art keywords
preparation
polyisocyanate mixtures
translation
procedure
machine
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
ES459327A
Other languages
English (en)
Spanish (es)
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of ES459327A1 publication Critical patent/ES459327A1/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
    • C08G18/8012—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203 with diols
    • C08G18/8019—Masked aromatic polyisocyanates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ES459327A 1976-06-01 1977-05-31 Procedimiento para la obtencion de poliisocianatos modifica-dos de la serie difenilmetano. Expired ES459327A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762624526 DE2624526B2 (de) 1976-06-01 1976-06-01 Verfahren zur Herstellung von modifizierten Polyisocyanaten der Diphenylmethanreihe

Publications (1)

Publication Number Publication Date
ES459327A1 true ES459327A1 (es) 1978-03-16

Family

ID=5979512

Family Applications (1)

Application Number Title Priority Date Filing Date
ES459327A Expired ES459327A1 (es) 1976-06-01 1977-05-31 Procedimiento para la obtencion de poliisocianatos modifica-dos de la serie difenilmetano.

Country Status (6)

Country Link
BE (1) BE855272A (it)
DE (1) DE2624526B2 (it)
ES (1) ES459327A1 (it)
FR (1) FR2353581A1 (it)
GB (1) GB1550325A (it)
IT (1) IT1079697B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2815579A1 (de) * 1978-04-11 1979-10-25 Basf Ag Verfahren zur herstellung von polyurethan-weichschaumstoffen
GB1596469A (en) * 1978-04-11 1981-08-26 Ici Ltd Liquid isocyanate compositions based on diphenylmethane diisocyanate
DE3241450A1 (de) * 1982-11-10 1984-05-10 Basf Ag, 6700 Ludwigshafen Fluessige urethangruppen enthaltende polyisocyanatmischungen auf diphenylmethan-diisocyanat-basis, verfahren zu deren herstellung und deren verwendung zur herstellung von polyurethan-weichschaumstoffen
DE3818769A1 (de) * 1988-06-02 1989-12-07 Bayer Ag Fluessige polyisocyanatmischungen, ein verfahren zu ihrer herstellung und ihre verwendung zur herstellung von polyurethan-weichschaumstoffen
US5043472A (en) * 1989-12-21 1991-08-27 Mobay Corporation Storage stable solid isocyanate compositions, preparation, and method of use thereof
US5128434A (en) * 1990-11-27 1992-07-07 Bausch & Lomb Incorporated Control of hard segment size in polyurethane formation
DE4203918A1 (de) * 1992-02-11 1993-08-12 Basf Ag Verfahren zur herstellung von fluorchlorkohlenwasserstoff-freien polyurethan-weichschaumstoffen unter verwendung von urethangruppen enthaltenden polyisocyanatmischungen auf diphenylmethan-diisocyanatbasis sowie derartige modifizierte polyisocyanatmischungen
DE4205934A1 (de) * 1992-02-27 1993-09-02 Basf Ag Verfahren zur herstellung von fluorchlorkohlenwasserstoff freien, niedrigdichten polyurethan-weichschaumstoffen und weichelastischen polyurethan-formschaumstoffen sowie hierfuer verwendbare, mit urethangruppen modifizierte polyisocyanatmischungen auf diphenylmethan-diisocyanatbasis
DE4411781A1 (de) * 1994-04-06 1995-10-12 Basf Ag Verfahren zur Herstellung von Fluorchlorkohlenwasserstoff freien hochelastischen Polyurethan-Weichschaumstoffen und hierfür verwendbare, mit Urethangruppen modifizierte Polyisocyanatmischungen auf Diphenylmethan-diisocyanatbasis
JP5311267B2 (ja) * 2007-04-12 2013-10-09 日本ポリウレタン工業株式会社 シクロペンタン発泡用硬質ポリウレタンフォーム用ポリイソシアネート組成物及びこれを用いた硬質ポリウレタンフォームの製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3012008A (en) * 1957-03-29 1961-12-05 Ici Ltd Polyisocyanate compositions
GB1450660A (en) * 1974-04-03 1976-09-22 Ici Ltd Polyisocyanates
GB1444192A (en) * 1974-04-03 1976-07-28 Ici Ltd Polyisocyanate compositions

Also Published As

Publication number Publication date
DE2624526A1 (de) 1977-12-22
FR2353581B1 (it) 1984-06-22
BE855272A (fr) 1977-12-01
GB1550325A (en) 1979-08-08
FR2353581A1 (fr) 1977-12-30
DE2624526B2 (de) 1981-06-25
IT1079697B (it) 1985-05-13

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19990601