ES459327A1 - Process for the preparation of polyisocyanate mixtures - Google Patents

Process for the preparation of polyisocyanate mixtures

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
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/en
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)

Abstract

Procedure for obtaining modified polyisocyanates of the diphenylmethane series. (Machine-translation by Google Translate, not legally binding)
ES459327A 1976-06-01 1977-05-31 Process for the preparation of polyisocyanate mixtures Expired ES459327A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762624526 DE2624526B2 (en) 1976-06-01 1976-06-01 Process for the preparation of modified polyisocyanates of the diphenylmethane series

Publications (1)

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

Family

ID=5979512

Family Applications (1)

Application Number Title Priority Date Filing Date
ES459327A Expired ES459327A1 (en) 1976-06-01 1977-05-31 Process for the preparation of polyisocyanate mixtures

Country Status (6)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2815579A1 (en) * 1978-04-11 1979-10-25 Basf Ag PROCESS FOR THE PRODUCTION OF FLEXIBLE POLYURETHANE FOAM
GB1596469A (en) * 1978-04-11 1981-08-26 Ici Ltd Liquid isocyanate compositions based on diphenylmethane diisocyanate
DE3241450A1 (en) * 1982-11-10 1984-05-10 Basf Ag, 6700 Ludwigshafen DIPHENYLMETHANE-DIISOCYANATE-BASED POLYISOCYANATE MIXTURES CONTAINING LIQUID URETHANE GROUPS, METHOD FOR THE PRODUCTION THEREOF AND THE USE THEREOF FOR THE PRODUCTION OF POLYURETHANE SOFT FOAMS
DE3818769A1 (en) * 1988-06-02 1989-12-07 Bayer Ag LIQUID POLYISOCYANATE MIXTURES, A METHOD FOR THE PRODUCTION THEREOF AND THEIR USE FOR THE PRODUCTION OF POLYURETHANE SOFT FOAMS
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 (en) * 1992-02-11 1993-08-12 Basf Ag METHOD FOR THE PRODUCTION OF FLUOROCHLORINE-HYDROGEN-FREE POLYURETHANE SOFT FOAMS USING POLYISOCYANATE MIXTURES ON DIPHENYLMETHANE DIISOCYANIZATE POLYISOCYANIZED ASYANIZED ASYANIZED ASYANIZED ASYANATE BASE
DE4205934A1 (en) * 1992-02-27 1993-09-02 Basf Ag METHOD FOR PRODUCING FLUOROCHLORINE HYDROCARBON-FREE, LOW-DENSITY POLYURETHANE SOFT FOAMS AND SOFT-ELASTIC POLYURETHANE FOAMS, AND USEFUL THEREOF, WITH URETIFYMETHANE DYPE, WITH POLYURETHANE
DE4411781A1 (en) * 1994-04-06 1995-10-12 Basf Ag Process for the preparation of chlorofluorocarbons-free, highly elastic flexible polyurethane foams and usable polyisocyanate mixtures based on diphenylmethane diisocyanate and modified with urethane groups
JP5311267B2 (en) * 2007-04-12 2013-10-09 日本ポリウレタン工業株式会社 Polyisocyanate composition for rigid polyurethane foam for foaming cyclopentane and method for producing rigid polyurethane foam using the same

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

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19990601