JPH0338261B2 - - Google Patents

Info

Publication number
JPH0338261B2
JPH0338261B2 JP57026905A JP2690582A JPH0338261B2 JP H0338261 B2 JPH0338261 B2 JP H0338261B2 JP 57026905 A JP57026905 A JP 57026905A JP 2690582 A JP2690582 A JP 2690582A JP H0338261 B2 JPH0338261 B2 JP H0338261B2
Authority
JP
Japan
Prior art keywords
polyethylene polyamine
polyamine
discolored
carried out
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 - Lifetime
Application number
JP57026905A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57171939A (en
Inventor
Aanorudo Gibuson Chaarusu
Waasu Kurandaru Jon
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.)
Union Carbide Corp
Original Assignee
Union Carbide Corp
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 Union Carbide Corp filed Critical Union Carbide Corp
Publication of JPS57171939A publication Critical patent/JPS57171939A/ja
Publication of JPH0338261B2 publication Critical patent/JPH0338261B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/82—Purification; Separation; Stabilisation; Use of additives
    • C07C209/84—Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
JP2690582A 1981-02-25 1982-02-23 Manufacture of polyethylene polyamine having improved color Granted JPS57171939A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23812881A 1981-02-25 1981-02-25

Publications (2)

Publication Number Publication Date
JPS57171939A JPS57171939A (en) 1982-10-22
JPH0338261B2 true JPH0338261B2 (en, 2012) 1991-06-10

Family

ID=22896619

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2690582A Granted JPS57171939A (en) 1981-02-25 1982-02-23 Manufacture of polyethylene polyamine having improved color

Country Status (4)

Country Link
EP (1) EP0058962B1 (en, 2012)
JP (1) JPS57171939A (en, 2012)
CA (1) CA1206977A (en, 2012)
DE (1) DE3270350D1 (en, 2012)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4609436A (en) * 1984-01-06 1986-09-02 The Dow Chemical Company Process for decolorizing polyethylene polyamines with a chlorinated hydrocarbon
US5331102A (en) * 1993-06-28 1994-07-19 Union Carbide Chemicals & Plastics Technology Corporation Method for decolorization of alkanolamines and alkyleneamines
JPH11514024A (ja) * 1996-06-19 1999-11-30 ザ、プロクター、エンド、ギャンブル、カンパニー 変性ポリアミンから悪臭を除去する方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3723529A (en) * 1970-10-19 1973-03-27 Jefferson Chem Co Inc Decolorization of polyethylene polyamines
JPS5020047B1 (en, 2012) * 1970-12-28 1975-07-11
JPS5641724B2 (en, 2012) * 1973-07-03 1981-09-30

Also Published As

Publication number Publication date
EP0058962A1 (en) 1982-09-01
DE3270350D1 (en) 1986-05-15
JPS57171939A (en) 1982-10-22
CA1206977A (en) 1986-07-02
EP0058962B1 (en) 1986-04-09

Similar Documents

Publication Publication Date Title
US3383416A (en) Process for preparing aminophenol
US4766247A (en) Color reduction of polyamines by mild catalytic hydrogenation
JP3804082B2 (ja) アニリンの精製方法
US4570019A (en) Method of preparing polyethylene polyamines having improved color
EP0041837B1 (en) Process for the purification of p-aminophenol
JPH0338261B2 (en, 2012)
US3210395A (en) Method of making toluene diisocyanate /x/cz e excejjx
JPH0782222A (ja) ルテニウムを用いるポリエチレンポリアミンの脱色法
US5861537A (en) Method of producing high-quality polyethylenepolyamines
US4609436A (en) Process for decolorizing polyethylene polyamines with a chlorinated hydrocarbon
US2412349A (en) Purification of titanium tetrachloride
JPH0782223A (ja) コバルト／銅／クロムを用いるポリエチレンポリアミンの脱色法
JPH06122661A (ja) Ｎ−ビニルホルムアミドの製造法
JPH0525112A (ja) アセトニトリルの精製方法
JPH04139137A (ja) 塩素含有量の低いベンジルトルエンとジベンジルトルエンの合成方法
DE2651901C3 (de) Verfahren zur Herabsetzung des Monochloracetylengehaltes von Roh-1, 1-Dichloräthylen
KR840000518B1 (ko) 2,6-디클로로-4-니트로 아닐린의 제조방법
EP0000464B1 (fr) Procédé de purification du mercaptobenzothiazole
US4207262A (en) Chemical process for reducing the cyclohexanone content of crude aniline
US1884509A (en) Production of cyanogen celoride and substituted guanidines
JPH0532605A (ja) アセトニトリル精製法
US2101998A (en) Purification of lactic acid
JPS63190862A (ja) Ｎ−ビニルホルムアミドの回収法
JP2916285B2 (ja) トリエチレンテトラミンの脱色方法
US4293494A (en) Method for the purification of raw caprolactam which contains amides and other by-products