CA1043813A - Traitement de l'adiponitrile a l'aide de resine a faible teneur d'acide echangeuse de cations - Google Patents

Traitement de l'adiponitrile a l'aide de resine a faible teneur d'acide echangeuse de cations

Info

Publication number
CA1043813A
CA1043813A CA234,359A CA234359A CA1043813A CA 1043813 A CA1043813 A CA 1043813A CA 234359 A CA234359 A CA 234359A CA 1043813 A CA1043813 A CA 1043813A
Authority
CA
Canada
Prior art keywords
adiponitrile
resin
cation exchange
treated
water
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
CA234,359A
Other languages
English (en)
Inventor
Bernard J. Kershaw
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.)
DuPont Canada Inc
Original Assignee
DuPont Canada Inc
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 DuPont Canada Inc filed Critical DuPont Canada Inc
Priority to CA234,359A priority Critical patent/CA1043813A/fr
Priority to IT2584376A priority patent/IT1065070B/it
Priority to GB2643777A priority patent/GB1539436A/en
Priority to GB3427076A priority patent/GB1539435A/en
Priority to FR7625712A priority patent/FR2322127A1/fr
Priority to DE19762638510 priority patent/DE2638510A1/de
Priority to FR7706940A priority patent/FR2334664A1/fr
Priority to US05/858,661 priority patent/US4146555A/en
Priority to US05/858,663 priority patent/US4147717A/en
Application granted granted Critical
Publication of CA1043813A publication Critical patent/CA1043813A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA234,359A 1975-08-26 1975-08-26 Traitement de l'adiponitrile a l'aide de resine a faible teneur d'acide echangeuse de cations Expired CA1043813A (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
CA234,359A CA1043813A (fr) 1975-08-26 1975-08-26 Traitement de l'adiponitrile a l'aide de resine a faible teneur d'acide echangeuse de cations
IT2584376A IT1065070B (it) 1975-08-26 1976-07-29 Processo per la produzione di esametilendiamina
GB3427076A GB1539435A (en) 1975-08-26 1976-08-17 Process for the manufacture of hexamethylene diamine
GB2643777A GB1539436A (en) 1975-08-26 1976-08-17 Process for purifying adiponitrile
FR7625712A FR2322127A1 (fr) 1975-08-26 1976-08-25 Procede perfectionne pour la production d'hexamethylene diamine a partir d'adiponitrile brut
DE19762638510 DE2638510A1 (de) 1975-08-26 1976-08-26 Verbessertes verfahren zur herstellung von hexamethylendiamin
FR7706940A FR2334664A1 (fr) 1975-08-26 1977-03-09 Procede pour reduire la quantite d'amine n-heterocycliques dans de l'adiponitrile brut
US05/858,661 US4146555A (en) 1975-08-26 1977-12-08 Process for purifying adiponitrile
US05/858,663 US4147717A (en) 1975-08-26 1977-12-08 Process for purifying adiponitrile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA234,359A CA1043813A (fr) 1975-08-26 1975-08-26 Traitement de l'adiponitrile a l'aide de resine a faible teneur d'acide echangeuse de cations

Publications (1)

Publication Number Publication Date
CA1043813A true CA1043813A (fr) 1978-12-05

Family

ID=4103917

Family Applications (1)

Application Number Title Priority Date Filing Date
CA234,359A Expired CA1043813A (fr) 1975-08-26 1975-08-26 Traitement de l'adiponitrile a l'aide de resine a faible teneur d'acide echangeuse de cations

Country Status (1)

Country Link
CA (1) CA1043813A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017040583A1 (fr) 2015-09-03 2017-03-09 Invista North America S.A R.L. Inhibition de la formation de cpi à partir d'adiponitrile
US11028045B2 (en) 2016-05-02 2021-06-08 Inv Nylon Chemicals Americas, Llc Process for reducing CPI in a dinitrile stream
WO2021152564A1 (fr) 2020-01-31 2021-08-05 Invista Textiles (U.K.) Limited Réduction de la formation d'impuretés pendant le raffinage de produits

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017040583A1 (fr) 2015-09-03 2017-03-09 Invista North America S.A R.L. Inhibition de la formation de cpi à partir d'adiponitrile
US10640459B2 (en) 2015-09-03 2020-05-05 Invista North America S.A.R.L. Inhibiting CPI formation from adiponitrile
US11028045B2 (en) 2016-05-02 2021-06-08 Inv Nylon Chemicals Americas, Llc Process for reducing CPI in a dinitrile stream
WO2021152564A1 (fr) 2020-01-31 2021-08-05 Invista Textiles (U.K.) Limited Réduction de la formation d'impuretés pendant le raffinage de produits

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