IT1012607B - Poliisocianati - Google Patents

Poliisocianati

Info

Publication number
IT1012607B
IT1012607B IT2290574A IT2290574A IT1012607B IT 1012607 B IT1012607 B IT 1012607B IT 2290574 A IT2290574 A IT 2290574A IT 2290574 A IT2290574 A IT 2290574A IT 1012607 B IT1012607 B IT 1012607B
Authority
IT
Italy
Prior art keywords
polyisocyanates
Prior art date
Application number
IT2290574A
Other languages
English (en)
Original Assignee
Ici Ltd
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 Ici Ltd filed Critical Ici Ltd
Application granted granted Critical
Publication of IT1012607B publication Critical patent/IT1012607B/it

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)
IT2290574A 1973-05-29 1974-05-17 Poliisocianati IT1012607B (it)

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
IT1012607B true IT1012607B (it) 1977-03-10

Family

ID=10226582

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2290574A IT1012607B (it) 1973-05-29 1974-05-17 Poliisocianati

Country Status (10)

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

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 (de) * 2003-05-08 2010-07-07 Bayer MaterialScience AG Verfahren zur Destillation eines Gemisches isomerer Diisocyanatodiphenylmethane
DE502004002275D1 (de) * 2003-09-24 2007-01-25 Basf Ag Monomerarmes Gemisch, enthaltend polymeres MDI
KR101627004B1 (ko) * 2008-10-06 2016-06-03 헌트스만 인터내셔날, 엘엘씨 디페닐메탄계 디이소시아네이트 이성질체의 상이한 혼합물들의 동시 생산 방법
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 (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
BR7404304D0 (pt) 1975-09-30
DE2425658A1 (de) 1974-12-19
BE815525A (fr) 1974-11-25
FR2231709B1 (it) 1978-01-20
JPS5035142A (it) 1975-04-03
FR2231709A1 (it) 1974-12-27
NL7406894A (it) 1974-12-03
AR202214A1 (es) 1975-05-23
ES426730A1 (es) 1976-07-01
JPS5826337B2 (ja) 1983-06-02
GB1417087A (en) 1975-12-10

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