SG83172A1 - Process for producing e-caprolactam - Google Patents

Process for producing e-caprolactam

Info

Publication number
SG83172A1
SG83172A1 SG9906630A SG1999006630A SG83172A1 SG 83172 A1 SG83172 A1 SG 83172A1 SG 9906630 A SG9906630 A SG 9906630A SG 1999006630 A SG1999006630 A SG 1999006630A SG 83172 A1 SG83172 A1 SG 83172A1
Authority
SG
Singapore
Prior art keywords
caprolactam
producing
Prior art date
Application number
SG9906630A
Other languages
English (en)
Inventor
Fukao Masami
Takamine Kan
Original Assignee
Sumitomo Chemical Co
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 Sumitomo Chemical Co filed Critical Sumitomo Chemical Co
Publication of SG83172A1 publication Critical patent/SG83172A1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D227/00—Heterocyclic compounds containing rings having one nitrogen atom as the only ring hetero atom, according to more than one of groups C07D203/00 - C07D225/00
    • C07D227/02—Heterocyclic compounds containing rings having one nitrogen atom as the only ring hetero atom, according to more than one of groups C07D203/00 - C07D225/00 with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D227/06—Heterocyclic compounds containing rings having one nitrogen atom as the only ring hetero atom, according to more than one of groups C07D203/00 - C07D225/00 with only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D227/08—Oxygen atoms
    • C07D227/087—One doubly-bound oxygen atom in position 2, e.g. lactams
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/16—Separation or purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
SG9906630A 1998-12-28 1999-12-24 Process for producing e-caprolactam SG83172A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP37184298 1998-12-28

Publications (1)

Publication Number Publication Date
SG83172A1 true SG83172A1 (en) 2001-09-18

Family

ID=18499408

Family Applications (1)

Application Number Title Priority Date Filing Date
SG9906630A SG83172A1 (en) 1998-12-28 1999-12-24 Process for producing e-caprolactam

Country Status (8)

Country Link
US (1) US6252068B1 (zh)
EP (1) EP1016658B1 (zh)
KR (1) KR20000062235A (zh)
CN (1) CN1220680C (zh)
DE (1) DE69928903T2 (zh)
ES (1) ES2255232T3 (zh)
SG (1) SG83172A1 (zh)
TW (1) TW450960B (zh)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19808190A1 (de) * 1998-02-26 1999-09-02 Basf Ag Verfahren zur Herstellung von Polyamiden
FR2803296B1 (fr) * 1999-12-30 2002-02-15 Rhodia Polyamide Intermediates Procede de purification de lactames
JP4182273B2 (ja) * 2000-06-27 2008-11-19 住友化学株式会社 ε−カプロラクタムの製造方法
CN101070299B (zh) * 2006-05-12 2011-04-20 中国石油化工股份有限公司 ε-己内酰胺的提纯精制方法
CN101070298B (zh) * 2006-05-12 2012-01-25 中国石油化工股份有限公司 一种ε-己内酰胺的提纯精制方法
CN101429148B (zh) * 2007-11-08 2012-08-29 中国石油化工股份有限公司 一种ε-己内酰胺的生产方法
DE102008060340A1 (de) 2008-12-03 2010-06-10 Wolfgang F. Prof. Dr. Hölderich Herstellung von Lactamen und Carbonsäureamide durch Beckmann-Umlagerung von Oximen in Gegenwart von Nb-Katalysatoren
CN102892752B (zh) * 2010-03-15 2015-03-25 宇部兴产株式会社 制备酰胺化合物的方法
CN103420885B (zh) * 2012-05-15 2015-07-29 中国石油化工股份有限公司 一种ε-己内酰胺粗产品的结晶方法以及己内酰胺的制备方法
CN103420912B (zh) * 2012-05-15 2016-01-20 中国石油化工股份有限公司 一种结晶ε-己内酰胺粗产品的方法以及制备己内酰胺的方法
CN103420913B (zh) * 2012-05-15 2016-01-20 中国石油化工股份有限公司 一种己内酰胺的结晶精制方法和制备方法
CN103508954B (zh) * 2012-06-27 2016-08-03 中国石油化工股份有限公司 一种己内酰胺的结晶精制方法和制备方法
CN104557706B (zh) * 2013-10-28 2017-06-30 中国石油化工股份有限公司 一种己内酰胺加氢精制方法
CN104557707B (zh) * 2013-10-28 2017-02-08 中国石油化工股份有限公司 一种己内酰胺加氢精制方法
CN104059019B (zh) * 2013-10-28 2017-01-25 中国石油化工股份有限公司 一种己内酰胺纯化方法和装置
TWI520944B (zh) * 2015-02-13 2016-02-11 中國石油化學工業開發股份有限公司 己內醯胺之製造方法及其系統
DE102015005238A1 (de) 2015-04-24 2016-10-27 Wolfgang Hölderich Herstellung von Lactamen durch Beckmann-Umlagerung von Oximen
CN109665997B (zh) * 2017-10-17 2021-01-08 中国石油化工股份有限公司 一种己内酰胺的制备方法
CN109665980B (zh) * 2017-10-17 2021-01-08 中国石油化工股份有限公司 一种己内酰胺的精制方法
CN109665995B (zh) * 2017-10-17 2023-01-13 中国石油化工股份有限公司 己内酰胺粗产品的精制方法和己内酰胺的制备方法
CN109665998B (zh) * 2017-10-17 2021-01-08 中国石油化工股份有限公司 己内酰胺的精制方法和装置
CN109665981B (zh) * 2017-10-17 2024-05-17 中国石油化工股份有限公司 一种己内酰胺的制备方法
CN109721520B (zh) * 2017-10-30 2021-01-08 中国石油化工股份有限公司 一种己内酰胺的精制方法
CN109721537B (zh) * 2017-10-30 2021-01-08 中国石油化工股份有限公司 一种己内酰胺的精制方法
EP3498759A1 (de) * 2017-12-13 2019-06-19 Evonik Degussa GmbH Verfahren zur herstellung von polymeren aus monomeren umfassend laurinlactam
CN111592492A (zh) * 2019-02-21 2020-08-28 中国石油化工股份有限公司 一种提高液相贝克曼重排的己内酰胺产品质量的方法
CN110483330B (zh) * 2019-09-18 2023-12-01 湖南百利工程科技股份有限公司 一种环己酮肟结晶精制方法及其在己内酰胺制备中的应用
CN112142637B (zh) 2020-09-22 2022-09-02 浙江恒逸石化研究院有限公司 己内酰胺的精制方法和精制系统
CN113083270B (zh) * 2021-04-14 2023-07-18 江苏扬农化工集团有限公司 一种从环己酮肟一步法合成6-氨基己腈的催化剂及其制备方法
CN113441127B (zh) * 2021-08-02 2023-07-18 江苏扬农化工集团有限公司 一种从环己酮肟制备6-氨基己腈的催化剂及其制备方法和应用

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3966712A (en) * 1972-05-19 1976-06-29 Bayer Aktiengesellschaft Process for the purification of caprolactam
US4148792A (en) * 1976-09-15 1979-04-10 Bayer Aktiengesellschaft Purification of caprolactam
US5362870A (en) * 1992-04-17 1994-11-08 Sumitomo Chemical Company, Ltd. Process for producing a high purity caprolactam
JPH0848666A (ja) * 1994-06-01 1996-02-20 Toray Ind Inc ε−カプロラクタムの精製法
US5502184A (en) * 1993-08-20 1996-03-26 Sumitomo Chemical Company, Limited Process for producing ε -caprolactam

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2861988A (en) * 1958-11-25 Caprolactam manufacture

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3966712A (en) * 1972-05-19 1976-06-29 Bayer Aktiengesellschaft Process for the purification of caprolactam
US4148792A (en) * 1976-09-15 1979-04-10 Bayer Aktiengesellschaft Purification of caprolactam
US5362870A (en) * 1992-04-17 1994-11-08 Sumitomo Chemical Company, Ltd. Process for producing a high purity caprolactam
US5502184A (en) * 1993-08-20 1996-03-26 Sumitomo Chemical Company, Limited Process for producing ε -caprolactam
JPH0848666A (ja) * 1994-06-01 1996-02-20 Toray Ind Inc ε−カプロラクタムの精製法

Also Published As

Publication number Publication date
CN1220680C (zh) 2005-09-28
EP1016658A2 (en) 2000-07-05
US6252068B1 (en) 2001-06-26
DE69928903D1 (de) 2006-01-19
EP1016658A3 (en) 2002-06-12
TW450960B (en) 2001-08-21
CN1263091A (zh) 2000-08-16
DE69928903T2 (de) 2006-08-17
ES2255232T3 (es) 2006-06-16
KR20000062235A (ko) 2000-10-25
EP1016658B1 (en) 2005-12-14

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