JP7400993B2 - ε－カプロラクタムの製造方法およびポリアミド６の製造方法 - Google Patents

ε－カプロラクタムの製造方法およびポリアミド６の製造方法 Download PDF

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Publication number
JP7400993B2
JP7400993B2 JP2022570174A JP2022570174A JP7400993B2 JP 7400993 B2 JP7400993 B2 JP 7400993B2 JP 2022570174 A JP2022570174 A JP 2022570174A JP 2022570174 A JP2022570174 A JP 2022570174A JP 7400993 B2 JP7400993 B2 JP 7400993B2
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Japan
Prior art keywords
polyamide
caprolactam
oligomer
producing
reaction
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JP2022570174A
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English (en)
Japanese (ja)
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JPWO2023074432A5 (https=
JPWO2023074432A1 (https=
Inventor
浩平 山下
昌佑 高橋
昌史 加藤
美帆子 西村
公哉 加藤
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Toray Industries Inc
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Toray Industries Inc
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
    • C08J11/28—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic compounds containing nitrogen, sulfur or phosphorus
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
    • C08G69/14—Lactams
    • C08G69/16—Preparatory processes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/46—Post-polymerisation treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
    • C08J2377/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Polyamides (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
JP2022570174A 2021-10-29 2022-10-17 ε－カプロラクタムの製造方法およびポリアミド６の製造方法 Active JP7400993B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021178279 2021-10-29
JP2021178279 2021-10-29
PCT/JP2022/038576 WO2023074432A1 (ja) 2021-10-29 2022-10-17 ε－カプロラクタムの製造方法およびポリアミド６の製造方法

Publications (3)

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JPWO2023074432A1 JPWO2023074432A1 (https=) 2023-05-04
JPWO2023074432A5 JPWO2023074432A5 (https=) 2023-09-27
JP7400993B2 true JP7400993B2 (ja) 2023-12-19

Family

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JP2022570174A Active JP7400993B2 (ja) 2021-10-29 2022-10-17 ε－カプロラクタムの製造方法およびポリアミド６の製造方法

Country Status (7)

Country Link
US (1) US20250019516A1 (https=)
EP (1) EP4424667A4 (https=)
JP (1) JP7400993B2 (https=)
KR (1) KR20240095200A (https=)
CN (1) CN118159520A (https=)
TW (1) TW202328065A (https=)
WO (1) WO2023074432A1 (https=)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000191638A (ja) 1998-12-28 2000-07-11 Ube Ind Ltd ε―カプロラクタムの回収方法および回収設備

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4216848A1 (de) * 1992-05-21 1993-11-25 Basf Ag Verfahren zur Rückgewinnung von Caprolactam aus Polycaprolactam
US5457197A (en) * 1994-04-08 1995-10-10 Alliedsignal Inc. Monomer recovery from multi-component materials
US5495015A (en) * 1994-12-12 1996-02-27 Basf Aktiengesellschaft Process for producing caprolactam through hydrolytic cleavage of molten polycaprolactam
US5455346B1 (en) 1994-12-12 1999-02-09 Basf Corp Obtaining caprolactam by cleavage of molten polycaprolactam
JPH08217746A (ja) 1995-02-09 1996-08-27 Toray Ind Inc ε−カプロラクタムの精製法
NL1000781C2 (nl) * 1995-07-12 1997-01-14 Dsm Nv Werkwijze voor het winnen van caprolactam uit nylon-6 bevattende afval.
JPH10287645A (ja) * 1997-04-11 1998-10-27 Unitika Ltd 回収ε−カプロラクタム及びその精製法
JPH1135554A (ja) * 1997-07-15 1999-02-09 Unitika Ltd ε−カプロラクタムの回収方法
KR100510280B1 (ko) 2001-01-29 2005-10-26 주식회사 하이켐텍 감시카메라의 내용 감시 방법 및 장치
KR100510282B1 (ko) 2003-11-03 2005-08-26 주식회사 에버케어 건강상태정보 제공장치
WO2018055555A1 (en) 2016-09-22 2018-03-29 Sabic Global Technologies, B.V. An integrated process configuration involving the steps of pyrolysis, hydrocracking, hydrodealkylation and steam cracking

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000191638A (ja) 1998-12-28 2000-07-11 Ube Ind Ltd ε―カプロラクタムの回収方法および回収設備

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
IWAYA, T. et al.，Kinetic analysis for hydrothermal depolymerization of nylon 6，Polymer Degradation and Stability，2006年，91，pp.1989-1995
岡島いづみ、他，亜臨界水によるナイロン6のモノマー化，高分子論文集，2013年，70(12)，pp.731-737

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Publication number Publication date
EP4424667A4 (en) 2026-02-11
EP4424667A1 (en) 2024-09-04
JPWO2023074432A1 (https=) 2023-05-04
KR20240095200A (ko) 2024-06-25
WO2023074432A1 (ja) 2023-05-04
TW202328065A (zh) 2023-07-16
CN118159520A (zh) 2024-06-07
US20250019516A1 (en) 2025-01-16

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