GB1351050A - Process for decolourizing polyethylene polyamines - Google Patents

Process for decolourizing polyethylene polyamines

Info

Publication number
GB1351050A
GB1351050A GB5935871A GB5935871A GB1351050A GB 1351050 A GB1351050 A GB 1351050A GB 5935871 A GB5935871 A GB 5935871A GB 5935871 A GB5935871 A GB 5935871A GB 1351050 A GB1351050 A GB 1351050A
Authority
GB
United Kingdom
Prior art keywords
polyethylene
polyethylene polyamines
decolourizing
dec
weight
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
GB5935871A
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.)
Tosoh Corp
Original Assignee
Toyo Soda Manufacturing Co 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 Toyo Soda Manufacturing Co Ltd filed Critical Toyo Soda Manufacturing Co Ltd
Publication of GB1351050A publication Critical patent/GB1351050A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
    • C07D295/02—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms containing only hydrogen and carbon atoms in addition to the ring hetero elements

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)

Abstract

1351050 Decolorizing polyethylene polyamines TOYA SODA MFG CO Ltd 21 Dec 1971 [28 Dec 1970] 59358/71 Heading C2C Discoloured polyethylene polyamines (i.e. compounds containing -(-CH 2 CH 2 NH-) n - where n is 1-5, and including ethylene diamine and cyclic compounds such as piperazine and N-2- aminoethylpiperazine) are decolorized by distilling them in the presence of a polyethylene polyamine hydrochloride, preferably in amount 0À1-10 parts by weight (calculated as HCl) to 100 parts by weight of the polyethylene poly. amine present. The starting material may be the product of reaction of ethylene dichloride with ammonia.
GB5935871A 1970-12-28 1971-12-21 Process for decolourizing polyethylene polyamines Expired GB1351050A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11990270A JPS5020047B1 (en) 1970-12-28 1970-12-28

Publications (1)

Publication Number Publication Date
GB1351050A true GB1351050A (en) 1974-04-24

Family

ID=14773032

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5935871A Expired GB1351050A (en) 1970-12-28 1971-12-21 Process for decolourizing polyethylene polyamines

Country Status (2)

Country Link
JP (1) JPS5020047B1 (en)
GB (1) GB1351050A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0058962A1 (en) * 1981-02-25 1982-09-01 Union Carbide Corporation Method of preparing polyethylene polyamines having improved color
US4570019A (en) * 1981-02-25 1986-02-11 Union Carbide Corporation Method of preparing polyethylene polyamines having improved color
US5331102A (en) * 1993-06-28 1994-07-19 Union Carbide Chemicals & Plastics Technology Corporation Method for decolorization of alkanolamines and alkyleneamines
US5362914A (en) * 1993-08-25 1994-11-08 Texaco Chemical Inc. Decolorization of polyethylene polyamines using cobalt/copper/chromium
US5364971A (en) * 1993-08-25 1994-11-15 Texaco Chemical Inc. Decolorization of polyethylene polyamines using ruthenium
US5847221A (en) * 1993-06-28 1998-12-08 Union Carbide Chemicals & Plastics Technology Corporation Method for decolorization of alkanolamines and alkyleneamines
EP1375470A2 (en) * 2002-06-26 2004-01-02 Bayer Chemicals AG Process for the preparation of colourless dibenzylamine
WO2012044456A1 (en) 2010-09-29 2012-04-05 Dow Global Technologies Llc Decolorization of amines

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53109050A (en) * 1977-03-07 1978-09-22 Hitachi Ltd Rotary machine bearing structure

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0058962A1 (en) * 1981-02-25 1982-09-01 Union Carbide Corporation Method of preparing polyethylene polyamines having improved color
US4570019A (en) * 1981-02-25 1986-02-11 Union Carbide Corporation Method of preparing polyethylene polyamines having improved color
US5331102A (en) * 1993-06-28 1994-07-19 Union Carbide Chemicals & Plastics Technology Corporation Method for decolorization of alkanolamines and alkyleneamines
US5847221A (en) * 1993-06-28 1998-12-08 Union Carbide Chemicals & Plastics Technology Corporation Method for decolorization of alkanolamines and alkyleneamines
US5362914A (en) * 1993-08-25 1994-11-08 Texaco Chemical Inc. Decolorization of polyethylene polyamines using cobalt/copper/chromium
US5364971A (en) * 1993-08-25 1994-11-15 Texaco Chemical Inc. Decolorization of polyethylene polyamines using ruthenium
EP1375470A2 (en) * 2002-06-26 2004-01-02 Bayer Chemicals AG Process for the preparation of colourless dibenzylamine
EP1375470A3 (en) * 2002-06-26 2004-09-29 Bayer Chemicals AG Process for the preparation of colourless dibenzylamine
US7019174B2 (en) 2002-06-26 2006-03-28 Bayer Aktiengesellschaft Preparation of colourless dibenzylamine
CN1318386C (en) * 2002-06-26 2007-05-30 拜尔公司 Preparation of colorless dibenzylamine
WO2012044456A1 (en) 2010-09-29 2012-04-05 Dow Global Technologies Llc Decolorization of amines
CN103140468A (en) * 2010-09-29 2013-06-05 陶氏环球技术有限责任公司 Decolorization of amines
US8853459B2 (en) 2010-09-29 2014-10-07 Dow Global Technologies Llc Decolorization of amines
CN103140468B (en) * 2010-09-29 2016-05-25 陶氏环球技术有限责任公司 The decolouring of amine

Also Published As

Publication number Publication date
DE2163516A1 (en) 1972-07-13
JPS5020047B1 (en) 1975-07-11
DE2163516B2 (en) 1977-02-24

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years