BR6915178D0 - Processo para a recuperacao de diisocianato de residuos de estilacao - Google Patents

Processo para a recuperacao de diisocianato de residuos de estilacao

Info

Publication number
BR6915178D0
BR6915178D0 BR215178/69A BR21517869A BR6915178D0 BR 6915178 D0 BR6915178 D0 BR 6915178D0 BR 215178/69 A BR215178/69 A BR 215178/69A BR 21517869 A BR21517869 A BR 21517869A BR 6915178 D0 BR6915178 D0 BR 6915178D0
Authority
BR
Brazil
Prior art keywords
diisocianate
styling
recovery
waste
waste diisocianate
Prior art date
Application number
BR215178/69A
Other languages
English (en)
Inventor
G Perkins
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of BR6915178D0 publication Critical patent/BR6915178D0/pt

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
    • C07C263/20—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR215178/69A 1968-12-16 1969-12-15 Processo para a recuperacao de diisocianato de residuos de estilacao BR6915178D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78422068A 1968-12-16 1968-12-16

Publications (1)

Publication Number Publication Date
BR6915178D0 true BR6915178D0 (pt) 1973-01-04

Family

ID=25131725

Family Applications (1)

Application Number Title Priority Date Filing Date
BR215178/69A BR6915178D0 (pt) 1968-12-16 1969-12-15 Processo para a recuperacao de diisocianato de residuos de estilacao

Country Status (6)

Country Link
US (1) US3636030A (pt)
BR (1) BR6915178D0 (pt)
DE (1) DE1962598A1 (pt)
ES (1) ES372799A1 (pt)
FR (1) FR2026270A1 (pt)
GB (1) GB1265853A (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4091009A (en) * 1976-08-16 1978-05-23 Olin Corporation Process for deactivating toluene diisocyanate distillation residue
DE2846814A1 (de) * 1978-10-27 1980-05-08 Bayer Ag Suspensionen von isocyanat-destillationsrueckstaenden in polyolen
DE2846815A1 (de) * 1978-10-27 1980-05-08 Ayer Ag Verfahren zur aufarbeitung von isocyanat-destillationsrueckstaenden
DE2942678A1 (de) * 1979-10-23 1981-05-07 Bayer Ag, 5090 Leverkusen Verfahren zur aufarbeitung von vernetzten, harnstoffgruppenhaltigen isocyanatdestillationsrueckstaenden und verwendung der verfahrensprodukte als ausgangskomponenten bei der herstellung von kunststoffen
US4465639A (en) * 1983-01-26 1984-08-14 The Upjohn Company Process for polyisocyanates
DE102006060181A1 (de) * 2006-12-18 2008-06-19 Bayer Materialscience Ag Verfahren zur Herstellung von Toluylendiisocyanat
DE102007020444A1 (de) 2007-04-27 2008-11-06 Bayer Materialscience Ag Verfahren zur Oxidation eines Chlorwasserstoffenthaltenden Gasgemisches
EP2280939A2 (de) 2008-04-14 2011-02-09 Basf Se Verfahren zur aufarbeitung von rückständen aus der produktion von isocyanaten
CN102633651B (zh) 2011-01-27 2013-10-02 沧州丰源环保科技有限公司 从甲苯二异氰酸酯合成过程排放的焦油废渣回收甲苯二胺

Also Published As

Publication number Publication date
FR2026270A1 (pt) 1970-09-18
US3636030A (en) 1972-01-18
GB1265853A (pt) 1972-03-08
DE1962598A1 (de) 1970-07-16
ES372799A1 (es) 1971-11-01

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