JP7334871B1 - 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
JP7334871B1
JP7334871B1 JP2022571354A JP2022571354A JP7334871B1 JP 7334871 B1 JP7334871 B1 JP 7334871B1 JP 2022571354 A JP2022571354 A JP 2022571354A JP 2022571354 A JP2022571354 A JP 2022571354A JP 7334871 B1 JP7334871 B1 JP 7334871B1
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Japan
Prior art keywords
polyamide
caprolactam
water
producing
resin composition
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JP2022571354A
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Japanese (ja)
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JPWO2023074441A5 (https=
JPWO2023074441A1 (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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    • 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
    • C08J11/14—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 steam or water
    • 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
    • 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
    • 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
    • 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

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  • 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)
JP2022571354A 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 JP7334871B1 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021178278 2021-10-29
JP2021178278 2021-10-29
PCT/JP2022/038598 WO2023074441A1 (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

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JPWO2023074441A1 JPWO2023074441A1 (https=) 2023-05-04
JP7334871B1 true JP7334871B1 (ja) 2023-08-29
JPWO2023074441A5 JPWO2023074441A5 (https=) 2023-09-27

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JP2022571354A Active JP7334871B1 (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 (6)

Country Link
US (1) US20250122352A1 (https=)
EP (1) EP4424668A4 (https=)
JP (1) JP7334871B1 (https=)
KR (1) KR20240087761A (https=)
CN (1) CN118103350A (https=)
WO (1) WO2023074441A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN121358799A (zh) * 2023-06-27 2026-01-16 本田技研工业株式会社 解聚方法和解聚装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5948908A (en) * 1996-03-18 1999-09-07 Alliedsignal Inc. Process for depolymerizing polycaprolactam processing waste to form caprolactam
JP2000034363A (ja) * 1998-07-21 2000-02-02 Toray Ind Inc ナイロン６製品類のリサイクル方法
JP2009520842A (ja) * 2005-12-22 2009-05-28 ランクセス・ドイチュランド・ゲーエムベーハー 新規なゴムと熱可塑性樹脂との多成分系、これから製造されるゴムと熱可塑性樹脂との複合成形部品、その製造方法およびその使用
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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5681952A (en) * 1995-12-08 1997-10-28 Alliedsignal Inc. Process for depolymerizing nylon-containing waste to form caprolactam
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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5948908A (en) * 1996-03-18 1999-09-07 Alliedsignal Inc. Process for depolymerizing polycaprolactam processing waste to form caprolactam
JP2000034363A (ja) * 1998-07-21 2000-02-02 Toray Ind Inc ナイロン６製品類のリサイクル方法
JP2009520842A (ja) * 2005-12-22 2009-05-28 ランクセス・ドイチュランド・ゲーエムベーハー 新規なゴムと熱可塑性樹脂との多成分系、これから製造されるゴムと熱可塑性樹脂との複合成形部品、その製造方法およびその使用
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

Non-Patent Citations (4)

* 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
IWAYA, T. ET AL.: "Kinetic analysis for hydrothermal depolymerization of nylon 6", POLYMER DEGRADATION AND STABILITY, vol. 91, JPN6022051838, 2006, pages 1989 - 1995, ISSN: 0005046163 *
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
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, vol. 70(12), JPN6022051837, 2013, pages 731 - 737, ISSN: 0005046162 *

Also Published As

Publication number Publication date
WO2023074441A1 (ja) 2023-05-04
EP4424668A1 (en) 2024-09-04
TW202328318A (zh) 2023-07-16
EP4424668A8 (en) 2024-12-25
US20250122352A1 (en) 2025-04-17
CN118103350A (zh) 2024-05-28
EP4424668A4 (en) 2026-02-11
KR20240087761A (ko) 2024-06-19
JPWO2023074441A1 (https=) 2023-05-04

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