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
English (en)
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/fr

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 (fr)

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 (fr) 1974-11-25

Family

ID=10226582

Family Applications (1)

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

Country Status (10)

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

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 (de) 1978-04-11 1979-10-25 Basf Ag Schwerentflammbare polyurethan-weichschaumstoffe
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 (ja) * 1989-11-30 1997-10-08 日本ポリウレタン工業株式会社 軟質ポリウレタン発泡体の製造方法
JP2875877B2 (ja) * 1990-10-23 1999-03-31 三井化学株式会社 メチレン架橋ポリフェニレンポリイソシアネートの製造方法
DE4200236A1 (de) * 1992-01-08 1993-07-15 Bayer Ag Verfahren zur isolierung von polyisocyanat-isomeren aus polyisocyanatgemischen
EP1475367B1 (fr) * 2003-05-08 2010-07-07 Bayer MaterialScience AG Procédé de séparation par distillation de mélanges d'isomères de diisocyanato diphénylméthane
ATE348120T1 (de) * 2003-09-24 2007-01-15 Basf Ag Monomerarmes gemisch, enthaltend polymeres mdi
ES2573649T3 (es) * 2008-10-06 2016-06-09 Huntsman International Llc Procedimiento para la producción simultánea de mezclas diferentes de isómeros de diisocianato de la serie del difenilmetano
EP3498689A1 (fr) 2017-12-14 2019-06-19 Sulzer Chemtech AG Installation et procédé de purification d'un monomère d'isomères, tel que le diisocyanate de 4,4'-méthylènediphényle, à partir d'un mélange brut

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2105193C3 (de) * 1971-02-04 1981-07-09 Chemie-Anlagenbau Bischofsheim GmbH, 4500 Osnabrück Verfahren zur Trennung eines organischen Polyisocyanatgemisches

Also Published As

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

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