BE815525A - POLYISOCYANATES - Google Patents

POLYISOCYANATES

Info

Publication number
BE815525A
BE815525A BE144742A BE144742A BE815525A BE 815525 A BE815525 A BE 815525A BE 144742 A BE144742 A BE 144742A BE 144742 A BE144742 A BE 144742A BE 815525 A BE815525 A BE 815525A
Authority
BE
Belgium
Prior art keywords
polyisocyanates
Prior art date
Application number
BE144742A
Other languages
French (fr)
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 filed Critical
Publication of BE815525A publication Critical patent/BE815525A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/18—Separation; Purification; Stabilisation; Use of additives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/18—Separation; Purification; Stabilisation; Use of additives
    • C07C263/20—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyurethanes Or Polyureas (AREA)
BE144742A 1973-05-29 1974-05-24 POLYISOCYANATES BE815525A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2537073A GB1417087A (en) 1973-05-29 1973-05-29 Polyisocyanates

Publications (1)

Publication Number Publication Date
BE815525A true BE815525A (en) 1974-11-25

Family

ID=10226582

Family Applications (1)

Application Number Title Priority Date Filing Date
BE144742A BE815525A (en) 1973-05-29 1974-05-24 POLYISOCYANATES

Country Status (10)

Country Link
JP (1) JPS5826337B2 (en)
AR (1) AR202214A1 (en)
BE (1) BE815525A (en)
BR (1) BR7404304D0 (en)
DE (1) DE2425658A1 (en)
ES (1) ES426730A1 (en)
FR (1) FR2231709B1 (en)
GB (1) GB1417087A (en)
IT (1) IT1012607B (en)
NL (1) NL7406894A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1483957A (en) * 1975-05-19 1977-08-24 Ici Ltd Diphenylmethane diisocyanate compositions
US4055548A (en) * 1976-09-17 1977-10-25 The Upjohn Company Storage-stable liquid polyisocyanate composition
DE2815554A1 (en) 1978-04-11 1979-10-25 Basf Ag FLAME RESISTANT SOFT POLYURETHANE FOAM
US4237240A (en) 1979-04-09 1980-12-02 Basf Aktiengesellschaft Process for the manufacture of flexible polyurethane foams with high load-bearing and high energy-absorption capacity
US4287132A (en) 1980-09-29 1981-09-01 Atlantic Richfield Company Preparation of polyisocyanates from polycarbamates
JP2660588B2 (en) * 1989-11-30 1997-10-08 日本ポリウレタン工業株式会社 Method for producing flexible polyurethane foam
JP2875877B2 (en) * 1990-10-23 1999-03-31 三井化学株式会社 Method for producing methylene-crosslinked polyphenylene polyisocyanate
DE4200236A1 (en) * 1992-01-08 1993-07-15 Bayer Ag METHOD FOR ISOLATING POLYISOCYANATE ISOMERS FROM POLYISOCYANATE MIXTURES
EP1475367B1 (en) * 2003-05-08 2010-07-07 Bayer MaterialScience AG Distillation process for separating diisocyanatodiphenylmethane isomers
EP1518874B1 (en) * 2003-09-24 2006-12-13 Basf Aktiengesellschaft Polymeric MDI having low monomer content
KR101627004B1 (en) * 2008-10-06 2016-06-03 헌트스만 인터내셔날, 엘엘씨 Process for the simultaneous production of different mixtures of diisocyanate isomers of the diphenylmethane series
EP3498689A1 (en) 2017-12-14 2019-06-19 Sulzer Chemtech AG A plant and method for purifying an isomeric monomer, such as 4,4'-methylene diphenyl diisocyanate, from a crude mixture

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2105193C3 (en) * 1971-02-04 1981-07-09 Chemie-Anlagenbau Bischofsheim GmbH, 4500 Osnabrück Process for the separation of an organic polyisocyanate mixture

Also Published As

Publication number Publication date
IT1012607B (en) 1977-03-10
DE2425658A1 (en) 1974-12-19
BR7404304D0 (en) 1975-09-30
FR2231709B1 (en) 1978-01-20
ES426730A1 (en) 1976-07-01
JPS5035142A (en) 1975-04-03
GB1417087A (en) 1975-12-10
JPS5826337B2 (en) 1983-06-02
FR2231709A1 (en) 1974-12-27
NL7406894A (en) 1974-12-03
AR202214A1 (en) 1975-05-23

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