GB1550325A - Process for the preparation of polyisocyanate mixtures - Google Patents

Process for the preparation of polyisocyanate mixtures

Info

Publication number
GB1550325A
GB1550325A GB2310277A GB2310277A GB1550325A GB 1550325 A GB1550325 A GB 1550325A GB 2310277 A GB2310277 A GB 2310277A GB 2310277 A GB2310277 A GB 2310277A GB 1550325 A GB1550325 A GB 1550325A
Authority
GB
United Kingdom
Prior art keywords
preparation
polyisocyanate mixtures
polyisocyanate
mixtures
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
GB2310277A
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 GB1550325A publication Critical patent/GB1550325A/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)
GB2310277A 1976-06-01 1977-06-01 Process for the preparation of polyisocyanate mixtures Expired GB1550325A (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
GB1550325A true GB1550325A (en) 1979-08-08

Family

ID=5979512

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2310277A Expired GB1550325A (en) 1976-06-01 1977-06-01 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)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4478960A (en) * 1982-11-10 1984-10-23 Basf Aktiengesellschaft Diphenylmethane diisocyanate-based liquid polyisocyanate mixtures containing urethane groups, process for their preparation and their use for the preparation of flexible polyurethane foams
US4945117A (en) * 1988-06-02 1990-07-31 Bayer Aktiengesellschaft Liquid polyisocyanate compositions, a process for their preparation, and their use for the preparation of flexible polyurethane foams
US5494941A (en) * 1992-02-11 1996-02-27 Basf Aktiengesellschaft Preparation of chlorofluorocarbon-free flexible polyurethane foams using diphenylmethane diisocyanate-based polyisocyanate mixtures containing urethane groups, and modified polyisocyanate mixtures of the type
US6096238A (en) * 1994-04-06 2000-08-01 Basf Aktiengesellschaft Preparation of CFC-free, highly resilient, flexible polyurethane foams, and diphenylmethane diisocyanate-based polyisocyanate mixtures modified by means of urethane groups which can be used for this purpose
JP2008260843A (en) * 2007-04-12 2008-10-30 Nippon Polyurethane Ind Co Ltd Polyisocyanate composition for rigid polyurethane foam made by foaming using cyclopentane, and method for producing rigid polyurethane foam by using the same

Families Citing this family (5)

* 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
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
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

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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4478960A (en) * 1982-11-10 1984-10-23 Basf Aktiengesellschaft Diphenylmethane diisocyanate-based liquid polyisocyanate mixtures containing urethane groups, process for their preparation and their use for the preparation of flexible polyurethane foams
US4945117A (en) * 1988-06-02 1990-07-31 Bayer Aktiengesellschaft Liquid polyisocyanate compositions, a process for their preparation, and their use for the preparation of flexible polyurethane foams
US5494941A (en) * 1992-02-11 1996-02-27 Basf Aktiengesellschaft Preparation of chlorofluorocarbon-free flexible polyurethane foams using diphenylmethane diisocyanate-based polyisocyanate mixtures containing urethane groups, and modified polyisocyanate mixtures of the type
US6096238A (en) * 1994-04-06 2000-08-01 Basf Aktiengesellschaft Preparation of CFC-free, highly resilient, flexible polyurethane foams, and diphenylmethane diisocyanate-based polyisocyanate mixtures modified by means of urethane groups which can be used for this purpose
JP2008260843A (en) * 2007-04-12 2008-10-30 Nippon Polyurethane Ind Co Ltd Polyisocyanate composition for rigid polyurethane foam made by foaming using cyclopentane, and method for producing rigid polyurethane foam by using the same

Also Published As

Publication number Publication date
DE2624526A1 (en) 1977-12-22
ES459327A1 (en) 1978-03-16
BE855272A (en) 1977-12-01
DE2624526B2 (en) 1981-06-25
FR2353581B1 (en) 1984-06-22
IT1079697B (en) 1985-05-13
FR2353581A1 (en) 1977-12-30

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee