KR950005807A - ε-카프로락탐의 제조방법 - Google Patents

ε-카프로락탐의 제조방법 Download PDF

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Publication number
KR950005807A
KR950005807A KR1019940019962A KR19940019962A KR950005807A KR 950005807 A KR950005807 A KR 950005807A KR 1019940019962 A KR1019940019962 A KR 1019940019962A KR 19940019962 A KR19940019962 A KR 19940019962A KR 950005807 A KR950005807 A KR 950005807A
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South Korea
Prior art keywords
producing
caprolactam
catalyst
caprolactam according
transition metal
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KR1019940019962A
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English (en)
Inventor
히로시 카지쿠리
히데토 토지마
토모카주 나카무라
마사루 키타무라
Original Assignee
수다 히데아키
수미토모카가쿠코오교오 카부시키가이샤
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Application filed by 수다 히데아키, 수미토모카가쿠코오교오 카부시키가이샤 filed Critical 수다 히데아키
Publication of KR950005807A publication Critical patent/KR950005807A/ko

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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D201/00Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/02Preparation of lactams
    • C07D201/04Preparation of lactams from or via oximes by Beckmann rearrangement
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D201/00Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/16Separation or purification
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D223/00Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom
    • C07D223/02Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom not condensed with other rings
    • C07D223/06Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom not condensed with other rings 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
    • C07D223/08Oxygen atoms
    • C07D223/10Oxygen atoms attached in position 2

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

본 발명은, 시클로헥산옥심의 기상베크만전위에 의해 얻어진 조ε-카프로락탐을, 수소첨가촉매의 존재하, 100~200℃에서 수소와 접촉시키는 것으로 이루어지는 고품위 ε-카프로락탐의 제조방법을 제공한다.

Description

ε-카프로락탐의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (12)

  1. 시클로헥산옥심의 기상(氣相)베크만전위에 의해 얻어진 조(粗)ε-카프로락탐을, 수소첨가촉매의 존재하, 100~200℃에서 수소와 접촉시키는 것을 특징으로 하는 ε-카프로락탐의 제조방법.
  2. 제 1항에 있어서, 전기한 조ε-카프로락탐이, 제올라이트계 촉매, 붕산계 촉매, 실리카·알루미나계 촉매, 고체인산계 촉매에서 선택된 고체산촉매를 사용하여 얻어진 것인 ε-카프로락탐의 제조방법.
  3. 제 1항에 있어서, 수소첨가촉매로서, Ⅷ족의 천이금속을 담체에 담지한 촉매를 사용하는 ε-카프로락탐의 제조방법.
  4. 제 3항에 있어서, 천이금속이 팔라듐, 백금, 루테늄, 로듐에서 선택되는 적어도 1종인 ε-카프로락탐의 제조방법.
  5. 제 3항에 있어서, 담체가 활성탄, 알루미나, 실리카, 티타니아에서 선택되는 적어도 1종인 ε-카프로락탐의 제조방법.
  6. 제 3항에 있어서, 천이금속이 팔라듐이고, 담체가 활성탄인 ε-카프로락탐의 제조방법.
  7. 제 3항에 있어서, 천이금속의 담지량이 촉매총중량의 0.01~20%인 ε-카프로락탐의 제조방법.
  8. 제 1항에 있어서, 산(酸)류의 공존하에 실시하는 ε-카프로락탐의 제조방법.
  9. 제 8항에 있어서, 전기한 산류가, 규산알루미늄, 활성백토, 니오브산, 헤테로다중산, 양이온교환수지에서 선택되는 적어도 1종인 ε-카프로락탐의 제조방법.
  10. 제 8항에 있어서, 산류의 사용량이 조락탐에 대해서, 0.1~10wt%인 ε-카프로락탐의 제조방법.
  11. 제 1항에 있어서, 반응온도가 130~170℃인 ε-카프로락탐의 제조방법.
  12. 제 1항에 있어서, 반응압력이 0.1~10MPa인 ε-카프로락탐의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940019962A 1993-08-20 1994-08-12 ε-카프로락탐의 제조방법 KR950005807A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP20652793 1993-08-20
JP93-206527 1993-08-20

Publications (1)

Publication Number Publication Date
KR950005807A true KR950005807A (ko) 1995-03-20

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ID=16524845

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940019962A KR950005807A (ko) 1993-08-20 1994-08-12 ε-카프로락탐의 제조방법

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Country Link
US (1) US5502184A (ko)
EP (1) EP0641778A1 (ko)
KR (1) KR950005807A (ko)
TW (1) TW268941B (ko)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19623662A1 (de) * 1996-06-13 1997-12-18 Basf Ag Verfahren zur Reinigung von epsilon-Caprolactam
US5990306A (en) 1997-09-03 1999-11-23 Alliedsignal Inc. Process for the purification of caprolactam obtained from the depolymerization of polyamide-containing carpet
US6344557B1 (en) * 1998-04-28 2002-02-05 Sumitomo Chemical Company, Limited Process for producing ε-caprolactam
AU5082599A (en) * 1998-06-15 2000-01-05 Union Carbide Chemicals & Plastics Technology Corporation Separation of epsilon caprolactam from isomers
ES2255232T3 (es) * 1998-12-28 2006-06-16 Sumitomo Chemical Company, Limited Procedimiento de preparacion de e-caprolactama.
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
US7022844B2 (en) 2002-09-21 2006-04-04 Honeywell International Inc. Amide-based compounds, production, recovery, purification and uses thereof
CN114507171A (zh) * 2022-02-24 2022-05-17 江苏扬农化工集团有限公司 一种己内酰胺的制备方法
CN115259511B (zh) * 2022-06-08 2023-10-10 聊城市鲁西化工工程设计有限责任公司 一种多元醇酮残渣回收利用系统及方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1253716B (de) * 1961-09-28 1967-11-09 Basf Ag Verfahren zur Reinigung von Lactamen
PL71843B2 (ko) * 1971-11-10 1974-06-29
NL8303028A (nl) * 1983-08-31 1985-03-18 Stamicarbon Winning van caprolactam uit caprolactam-bevattend destillatie-residu.
US4927924A (en) * 1989-04-14 1990-05-22 Mobil Oil Corp. Synthesis of caprolactam
DE3925575A1 (de) * 1989-08-02 1991-02-07 Basf Ag Verfahren zur kontinuierlichen reinigung von caprolactam

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TW268941B (ko) 1996-01-21
US5502184A (en) 1996-03-26
EP0641778A1 (en) 1995-03-08

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