KR860000829B1 - 나일론 6 올리고머로 부터 카프로락탐을 회수하는 방법 - Google Patents

나일론 6 올리고머로 부터 카프로락탐을 회수하는 방법 Download PDF

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Publication number
KR860000829B1
KR860000829B1 KR1019810003431A KR810003431A KR860000829B1 KR 860000829 B1 KR860000829 B1 KR 860000829B1 KR 1019810003431 A KR1019810003431 A KR 1019810003431A KR 810003431 A KR810003431 A KR 810003431A KR 860000829 B1 KR860000829 B1 KR 860000829B1
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South Korea
Prior art keywords
caprolactam
water
fed
wash water
concentrated
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.)
Expired
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KR1019810003431A
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English (en)
Korean (ko)
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KR830007546A (ko
Inventor
크레센 티니 람베르토
주니어 웨브 베이즈 블랙만
도날드 드카프리오 죠셉
버나드 휘셔 윌리엄
주니어 로이 제프리 릴리
월터 와그너 죤
Original Assignee
알라이드 코오포레이션
로이 에이취. 멧신길
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22690811&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR860000829(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 알라이드 코오포레이션, 로이 에이취. 멧신길 filed Critical 알라이드 코오포레이션
Publication of KR830007546A publication Critical patent/KR830007546A/ko
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Publication of KR860000829B1 publication Critical patent/KR860000829B1/ko
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    • 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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
KR1019810003431A 1980-09-17 1981-09-15 나일론 6 올리고머로 부터 카프로락탐을 회수하는 방법 Expired KR860000829B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US187,864 1980-09-17
US06/187,864 US4311642A (en) 1980-09-17 1980-09-17 Recovery of caprolactam from nylon 6 oligomers
US187864 1988-04-29

Publications (2)

Publication Number Publication Date
KR830007546A KR830007546A (ko) 1983-10-21
KR860000829B1 true KR860000829B1 (ko) 1986-07-02

Family

ID=22690811

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019810003431A Expired KR860000829B1 (ko) 1980-09-17 1981-09-15 나일론 6 올리고머로 부터 카프로락탐을 회수하는 방법

Country Status (6)

Country Link
US (1) US4311642A (cg-RX-API-DMAC7.html)
EP (1) EP0048340B1 (cg-RX-API-DMAC7.html)
JP (1) JPS5781458A (cg-RX-API-DMAC7.html)
KR (1) KR860000829B1 (cg-RX-API-DMAC7.html)
CA (1) CA1157020A (cg-RX-API-DMAC7.html)
DE (1) DE3173977D1 (cg-RX-API-DMAC7.html)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4767503A (en) * 1983-08-29 1988-08-30 Allied Corporation Removal of light impurities from caprolactam by distillation with water
US5169870A (en) * 1991-06-21 1992-12-08 Basf Corporation Reclaiming ε-caprolactam from nylon 6 carpet
DE4211609A1 (de) * 1991-08-30 1993-03-04 Bayer Ag Gewinnung von caprolactam durch thermische spaltung von polyamid 6
DE4216848A1 (de) * 1992-05-21 1993-11-25 Basf Ag Verfahren zur Rückgewinnung von Caprolactam aus Polycaprolactam
EP0608454B1 (de) * 1993-01-28 1997-08-13 POLYMER ENGINEERING GmbH Verfahren und Vorrichtung zur Herstellung von Polyamid 6 aus Polyamid-Abfällen
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
US5656757A (en) * 1995-08-10 1997-08-12 Alliedsignal Inc. Monomer recovery from multi-component materials
DE19648747A1 (de) * 1996-11-25 1998-05-28 Basf Ag Verfahren zur Rückgewinnung von Caprolactam und seinen Oligomeren aus wässrigen Polycaprolactam-Extrakten
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
ATE539052T1 (de) * 1999-02-26 2012-01-15 Dsm Ip Assets Bv Ein verfahren zur wiedergewinnung von caprolactam und wasserdampf
DE10251798A1 (de) * 2002-11-07 2004-05-19 Bayer Ag Verfahren zur Herstellung von Polyamid 6 mit geringem Dimergehalt
US9023903B2 (en) 2012-09-27 2015-05-05 E I Du Pont De Nemours And Company Reinforced polyamides having improved anti-delamination
US9109114B2 (en) 2012-09-27 2015-08-18 E I Du Pont De Nemours And Company Polyamides having improved anti-delamination
US9193865B2 (en) 2012-09-27 2015-11-24 E I Du Pont De Nemours And Company Polyamides having improved anti-delamination
CN107051345A (zh) * 2017-01-25 2017-08-18 江苏永通新材料科技有限公司 一种用于生产聚酰胺切片的低聚物分离器
JP6902157B2 (ja) * 2017-08-01 2021-07-14 アドバンシックス・レジンズ・アンド・ケミカルズ・リミテッド・ライアビリティ・カンパニーＡｄｖａｎｓｉｘ Ｒｅｓｉｎｓ ＆ Ｃｈｅｍｉｃａｌｓ Ｌｌｃ ポリアミドの環状オリゴマーを重合するための方法
KR20240170935A (ko) * 2022-04-01 2024-12-05 바스프 에스이 폴리아미드의 가수분해 해중합 공정에서의 불순물 분리
TW202615130A (zh) * 2024-05-15 2026-04-16 德商巴斯夫歐洲公司 用於從聚醯胺6解聚混合物中分離高沸物之方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD59094A (cg-RX-API-DMAC7.html) *
US3245964A (en) * 1962-11-13 1966-04-12 Allied Chem Continuous extraction of poly-e-caproamide
US3182055A (en) * 1963-02-18 1965-05-04 Allied Chem Regeneration of e-caprolactam from polyamides
US3294756A (en) * 1963-05-01 1966-12-27 Allied Chem Continuous polymerization of epsilon-caprolactam
US3266165A (en) * 1964-10-01 1966-08-16 Allied Chem Process and apparatus for segregative drying of nylon-6
NL135959C (cg-RX-API-DMAC7.html) * 1964-12-23
US3373145A (en) * 1965-04-29 1968-03-12 Allied Chem Washing of polymer particulates by regular periodic ebb and flow of aqueous solvent
US3600381A (en) * 1968-05-09 1971-08-17 Teijin Ltd Caprolactam purification process
AU434985B2 (en) * 1969-12-15 1973-04-18 Tevin Limited Process for obtaining purified caprolactam bythe purification of oligomer-containing impure epsilon caprolactam
DE2135085C3 (de) * 1971-07-14 1981-12-03 Basf Ag, 6700 Ludwigshafen Verfahren zur Wiedergewinnung von Caprolactam aus einem Gemisch, das Caprolactam und dessen Oligomere enthält
US4107160A (en) * 1977-08-24 1978-08-15 Zimmer Aktiengesellschaft Continuous process for the recovery of caprolactam

Also Published As

Publication number Publication date
JPH0148894B2 (cg-RX-API-DMAC7.html) 1989-10-20
CA1157020A (en) 1983-11-15
JPS5781458A (en) 1982-05-21
DE3173977D1 (en) 1986-04-10
EP0048340B1 (en) 1986-03-05
US4311642A (en) 1982-01-19
EP0048340A1 (en) 1982-03-31
KR830007546A (ko) 1983-10-21

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