BG62929B1 - Метод и устройство за получаване на капролактам чрез хидролитично разграждане на стопен поликапролактам - Google Patents
Метод и устройство за получаване на капролактам чрез хидролитично разграждане на стопен поликапролактам Download PDFInfo
- Publication number
- BG62929B1 BG62929B1 BG101573A BG10157397A BG62929B1 BG 62929 B1 BG62929 B1 BG 62929B1 BG 101573 A BG101573 A BG 101573A BG 10157397 A BG10157397 A BG 10157397A BG 62929 B1 BG62929 B1 BG 62929B1
- Authority
- BG
- Bulgaria
- Prior art keywords
- polymers
- caprolactam
- structural unit
- hydrolysis
- 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.)
- Active
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
- C07D201/12—Preparation of lactams by depolymerising polyamides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Polyamides (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/355,286 US5495015A (en) | 1994-12-12 | 1994-12-12 | Process for producing caprolactam through hydrolytic cleavage of molten polycaprolactam |
PCT/EP1995/004740 WO1996018613A1 (de) | 1994-12-12 | 1995-12-01 | Verfahren zur gewinnung von caprolactam durch hydrolytische spaltung von geschmolzenem polycaprolactam |
Publications (2)
Publication Number | Publication Date |
---|---|
BG101573A BG101573A (en) | 1998-01-30 |
BG62929B1 true BG62929B1 (bg) | 2000-11-30 |
Family
ID=23396923
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BG101573A Active BG62929B1 (bg) | 1994-12-12 | 1997-06-05 | Метод и устройство за получаване на капролактам чрез хидролитично разграждане на стопен поликапролактам |
Country Status (19)
Country | Link |
---|---|
US (1) | US5495015A (es) |
EP (1) | EP0797571B1 (es) |
JP (1) | JPH10510280A (es) |
KR (1) | KR100365454B1 (es) |
CN (1) | CN1069313C (es) |
AU (1) | AU4300996A (es) |
BG (1) | BG62929B1 (es) |
BR (1) | BR9510085A (es) |
CA (1) | CA2208226C (es) |
CZ (1) | CZ288486B6 (es) |
DE (1) | DE59505461D1 (es) |
ES (1) | ES2129885T3 (es) |
MY (1) | MY111917A (es) |
PL (1) | PL189334B1 (es) |
RU (1) | RU2159233C2 (es) |
SK (1) | SK281068B6 (es) |
TW (1) | TW356465B (es) |
UA (1) | UA51639C2 (es) |
WO (1) | WO1996018613A1 (es) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5681952A (en) * | 1995-12-08 | 1997-10-28 | Alliedsignal Inc. | Process for depolymerizing nylon-containing waste to form caprolactam |
US5948908A (en) * | 1996-03-18 | 1999-09-07 | Alliedsignal Inc. | Process for depolymerizing polycaprolactam processing waste to form caprolactam |
NL1005942C2 (nl) * | 1997-05-01 | 1998-11-03 | Dsm Nv | Depolymeriseren van polyamiden. |
US5990306A (en) | 1997-09-03 | 1999-11-23 | Alliedsignal Inc. | Process for the purification of caprolactam obtained from the depolymerization of polyamide-containing carpet |
US7934393B2 (en) * | 2007-06-05 | 2011-05-03 | Johns Nanville | Process for recycling glass fiber |
CN101423623B (zh) * | 2007-11-02 | 2011-05-11 | 宁波大学 | 一种耐高温尼龙聚对苯二甲酰己二胺的解聚回收方法 |
US20120067890A1 (en) | 2009-05-20 | 2012-03-22 | Antoine Cahen | Dispensing cap |
WO2013010934A1 (en) | 2011-07-21 | 2013-01-24 | Nestec S.A. | Cup or mug cover |
DE102018220616B3 (de) * | 2018-11-20 | 2019-05-29 | Thyssenkrupp Ag | Verfahren zur Herstellung von Polyamid 6 |
JP7425539B2 (ja) * | 2019-04-12 | 2024-01-31 | マクセル株式会社 | 熱可塑性樹脂の水熱分解方法 |
JP2024501219A (ja) | 2020-12-17 | 2024-01-11 | ベーアーエスエフ・エスエー | カプロラクタム含有ポリマーとポリウレタン含有ポリマー、特にポリウレタンブロックコポリマーとの混合物からカプロラクタムを得るためのポリアミド6の選択的解重合 |
JP2022143665A (ja) * | 2021-03-18 | 2022-10-03 | 本田技研工業株式会社 | 加水分解連続処理装置及び加水分解連続処理方法 |
KR20240087761A (ko) | 2021-10-29 | 2024-06-19 | 도레이 카부시키가이샤 | ε-카프로락탐의 제조 방법 및 폴리아미드6의 제조 방법 |
JPWO2023074437A1 (es) | 2021-10-29 | 2023-05-04 | ||
CN118103438A (zh) | 2021-10-29 | 2024-05-28 | 东丽株式会社 | 热塑性树脂的制造方法 |
JPWO2023074433A1 (es) | 2021-10-29 | 2023-05-04 | ||
CN118159520A (zh) * | 2021-10-29 | 2024-06-07 | 东丽株式会社 | ε-己内酰胺的制造方法和聚酰胺6的制造方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL6704865A (es) * | 1967-04-05 | 1968-10-07 | ||
US3939153A (en) * | 1974-08-09 | 1976-02-17 | Hillyard Chemical Company | Process for producing caprolactam |
US4311642A (en) * | 1980-09-17 | 1982-01-19 | Allied Corporation | Recovery of caprolactam from nylon 6 oligomers |
US4605762A (en) * | 1982-04-23 | 1986-08-12 | Celanese Mexicana S.A. | Depolymerization of condensation polymers |
US5977193A (en) * | 1991-06-21 | 1999-11-02 | Basf Corporation | Reclaiming epsilon-caprolactam from nylon 6 carpet |
US5294707A (en) * | 1993-02-25 | 1994-03-15 | Basf Corporation | Semi-continuous depolymerization of nylon 6 polymer |
US5457197A (en) * | 1994-04-08 | 1995-10-10 | Alliedsignal Inc. | Monomer recovery from multi-component materials |
-
1994
- 1994-12-12 US US08/355,286 patent/US5495015A/en not_active Expired - Fee Related
-
1995
- 1995-01-12 UA UA97073720A patent/UA51639C2/uk unknown
- 1995-12-01 EP EP95941645A patent/EP0797571B1/de not_active Revoked
- 1995-12-01 RU RU97112178/04A patent/RU2159233C2/ru not_active IP Right Cessation
- 1995-12-01 SK SK667-97A patent/SK281068B6/sk unknown
- 1995-12-01 KR KR1019970703912A patent/KR100365454B1/ko not_active IP Right Cessation
- 1995-12-01 PL PL95320593A patent/PL189334B1/pl not_active IP Right Cessation
- 1995-12-01 AU AU43009/96A patent/AU4300996A/en not_active Abandoned
- 1995-12-01 JP JP8518205A patent/JPH10510280A/ja not_active Withdrawn
- 1995-12-01 WO PCT/EP1995/004740 patent/WO1996018613A1/de not_active Application Discontinuation
- 1995-12-01 DE DE59505461T patent/DE59505461D1/de not_active Revoked
- 1995-12-01 CN CN95196757A patent/CN1069313C/zh not_active Expired - Fee Related
- 1995-12-01 BR BR9510085A patent/BR9510085A/pt not_active IP Right Cessation
- 1995-12-01 ES ES95941645T patent/ES2129885T3/es not_active Expired - Lifetime
- 1995-12-01 CZ CZ19971763A patent/CZ288486B6/cs not_active IP Right Cessation
- 1995-12-01 CA CA002208226A patent/CA2208226C/en not_active Expired - Fee Related
- 1995-12-08 TW TW084113084A patent/TW356465B/zh active
- 1995-12-09 MY MYPI95003809A patent/MY111917A/en unknown
-
1997
- 1997-06-05 BG BG101573A patent/BG62929B1/bg active Active
Also Published As
Publication number | Publication date |
---|---|
PL189334B1 (pl) | 2005-07-29 |
BG101573A (en) | 1998-01-30 |
BR9510085A (pt) | 1998-07-14 |
DE59505461D1 (de) | 1999-04-29 |
ES2129885T3 (es) | 1999-06-16 |
RU2159233C2 (ru) | 2000-11-20 |
UA51639C2 (uk) | 2002-12-16 |
EP0797571B1 (de) | 1999-03-24 |
AU4300996A (en) | 1996-07-03 |
CZ288486B6 (en) | 2001-06-13 |
SK281068B6 (sk) | 2000-11-07 |
CA2208226C (en) | 2005-02-15 |
PL320593A1 (en) | 1997-10-13 |
MY111917A (en) | 2001-02-28 |
CN1169719A (zh) | 1998-01-07 |
MX9704285A (es) | 1997-09-30 |
CN1069313C (zh) | 2001-08-08 |
CA2208226A1 (en) | 1996-06-20 |
CZ176397A3 (cs) | 1998-06-17 |
WO1996018613A1 (de) | 1996-06-20 |
US5495015A (en) | 1996-02-27 |
EP0797571A1 (de) | 1997-10-01 |
SK66797A3 (en) | 1998-07-08 |
JPH10510280A (ja) | 1998-10-06 |
TW356465B (en) | 1999-04-21 |
KR100365454B1 (ko) | 2003-05-17 |
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