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 PDF

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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
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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
Application number
BG101573A
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Bulgarian (bg)
English (en)
Other versions
BG101573A (en
Inventor
Peter Bassler
Michael Kopietz
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.)
BASF SE
Original Assignee
BASF SE
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23396923&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BG62929(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by BASF SE filed Critical BASF SE
Publication of BG101573A publication Critical patent/BG101573A/xx
Publication of BG62929B1 publication Critical patent/BG62929B1/bg
Anticipated expiration legal-status Critical
Active legal-status Critical Current

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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)
BG101573A 1994-12-12 1997-06-05 Метод и устройство за получаване на капролактам чрез хидролитично разграждане на стопен поликапролактам Active BG62929B1 (bg)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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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