KR950005807A - ε-카프로락탐의 제조방법 - Google Patents
ε-카프로락탐의 제조방법 Download PDFInfo
- 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
- Authority
- KR
- South Korea
- Prior art keywords
- producing
- caprolactam
- catalyst
- caprolactam according
- transition metal
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/02—Preparation of lactams
- C07D201/04—Preparation of lactams from or via oximes by Beckmann rearrangement
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/16—Separation or purification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D223/00—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom
- C07D223/02—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom not condensed with other rings
- C07D223/06—Heterocyclic 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
- C07D223/08—Oxygen atoms
- C07D223/10—Oxygen atoms attached in position 2
Landscapes
- 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
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (12)
- 시클로헥산옥심의 기상(氣相)베크만전위에 의해 얻어진 조(粗)ε-카프로락탐을, 수소첨가촉매의 존재하, 100~200℃에서 수소와 접촉시키는 것을 특징으로 하는 ε-카프로락탐의 제조방법.
- 제 1항에 있어서, 전기한 조ε-카프로락탐이, 제올라이트계 촉매, 붕산계 촉매, 실리카·알루미나계 촉매, 고체인산계 촉매에서 선택된 고체산촉매를 사용하여 얻어진 것인 ε-카프로락탐의 제조방법.
- 제 1항에 있어서, 수소첨가촉매로서, Ⅷ족의 천이금속을 담체에 담지한 촉매를 사용하는 ε-카프로락탐의 제조방법.
- 제 3항에 있어서, 천이금속이 팔라듐, 백금, 루테늄, 로듐에서 선택되는 적어도 1종인 ε-카프로락탐의 제조방법.
- 제 3항에 있어서, 담체가 활성탄, 알루미나, 실리카, 티타니아에서 선택되는 적어도 1종인 ε-카프로락탐의 제조방법.
- 제 3항에 있어서, 천이금속이 팔라듐이고, 담체가 활성탄인 ε-카프로락탐의 제조방법.
- 제 3항에 있어서, 천이금속의 담지량이 촉매총중량의 0.01~20%인 ε-카프로락탐의 제조방법.
- 제 1항에 있어서, 산(酸)류의 공존하에 실시하는 ε-카프로락탐의 제조방법.
- 제 8항에 있어서, 전기한 산류가, 규산알루미늄, 활성백토, 니오브산, 헤테로다중산, 양이온교환수지에서 선택되는 적어도 1종인 ε-카프로락탐의 제조방법.
- 제 8항에 있어서, 산류의 사용량이 조락탐에 대해서, 0.1~10wt%인 ε-카프로락탐의 제조방법.
- 제 1항에 있어서, 반응온도가 130~170℃인 ε-카프로락탐의 제조방법.
- 제 1항에 있어서, 반응압력이 0.1~10MPa인 ε-카프로락탐의 제조방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
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 |
Family
ID=16524845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940019962A KR950005807A (ko) | 1993-08-20 | 1994-08-12 | ε-카프로락탐의 제조방법 |
Country Status (4)
Country | Link |
---|---|
US (1) | US5502184A (ko) |
EP (1) | EP0641778A1 (ko) |
KR (1) | KR950005807A (ko) |
TW (1) | TW268941B (ko) |
Families Citing this family (10)
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)
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 |
-
1994
- 1994-08-09 TW TW083107245A patent/TW268941B/zh active
- 1994-08-12 KR KR1019940019962A patent/KR950005807A/ko not_active Application Discontinuation
- 1994-08-19 US US08/293,169 patent/US5502184A/en not_active Expired - Fee Related
- 1994-08-19 EP EP94306137A patent/EP0641778A1/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
TW268941B (ko) | 1996-01-21 |
US5502184A (en) | 1996-03-26 |
EP0641778A1 (en) | 1995-03-08 |
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WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |