GB1592178A - Polymerization and rcovery of 2-pyrrolidone - Google Patents

Polymerization and rcovery of 2-pyrrolidone Download PDF

Info

Publication number
GB1592178A
GB1592178A GB4925777A GB4925777A GB1592178A GB 1592178 A GB1592178 A GB 1592178A GB 4925777 A GB4925777 A GB 4925777A GB 4925777 A GB4925777 A GB 4925777A GB 1592178 A GB1592178 A GB 1592178A
Authority
GB
United Kingdom
Prior art keywords
pyrrolidone
mixture
acid
polymerization
aqueous
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
Application number
GB4925777A
Other languages
English (en)
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.)
Chevron USA Inc
Original Assignee
Chevron Research and Technology Co
Chevron Research Co
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
Priority claimed from US05/745,501 external-priority patent/US4050994A/en
Priority claimed from US05/792,421 external-priority patent/US4139696A/en
Application filed by Chevron Research and Technology Co, Chevron Research Co filed Critical Chevron Research and Technology Co
Publication of GB1592178A publication Critical patent/GB1592178A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D207/00Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D207/02Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D207/18Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
    • C07D207/22Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member 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
    • C07D207/24Oxygen or sulfur atoms
    • C07D207/262-Pyrrolidones
    • C07D207/2632-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms
    • C07D207/2672-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to the ring nitrogen atom
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D3/00Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/34Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D201/00Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/16Separation or purification
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/08Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
    • C08G69/14Lactams
    • C08G69/24Pyrrolidones or piperidones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyamides (AREA)
  • Pyrrole Compounds (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
GB4925777A 1976-11-26 1977-11-25 Polymerization and rcovery of 2-pyrrolidone Expired GB1592178A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/745,501 US4050994A (en) 1976-11-26 1976-11-26 Recovery of 2-pyrrolidone from dilute alkaline solutions
US05/792,421 US4139696A (en) 1977-04-29 1977-04-29 Continuous polymerization of 2-pyrrolidone

Publications (1)

Publication Number Publication Date
GB1592178A true GB1592178A (en) 1981-07-01

Family

ID=27114468

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4925777A Expired GB1592178A (en) 1976-11-26 1977-11-25 Polymerization and rcovery of 2-pyrrolidone

Country Status (8)

Country Link
JP (1) JPS5367798A (enrdf_load_stackoverflow)
DE (1) DE2751535A1 (enrdf_load_stackoverflow)
ES (1) ES464485A1 (enrdf_load_stackoverflow)
FR (2) FR2382471A1 (enrdf_load_stackoverflow)
GB (1) GB1592178A (enrdf_load_stackoverflow)
IT (1) IT1087943B (enrdf_load_stackoverflow)
MX (1) MX4979E (enrdf_load_stackoverflow)
NL (1) NL7713024A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1566154A1 (de) 2004-02-20 2005-08-24 Argomedical AG Prothese zum Oberflächenersatz im Bereich der Kugel von Kugelgelenken
KR101568908B1 (ko) * 2013-12-02 2015-11-12 지에스칼텍스 주식회사 입자상 폴리아미드 수지의 연속 제조장치 및 방법

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3681293A (en) * 1970-09-03 1972-08-01 Radiation Res Corp Continuous polymerization of 2-pyrrolidone with carbon dioxide as activator

Also Published As

Publication number Publication date
FR2382442B1 (enrdf_load_stackoverflow) 1981-01-16
DE2751535A1 (de) 1978-06-01
FR2382471A1 (fr) 1978-09-29
IT1087943B (it) 1985-06-04
MX4979E (es) 1983-01-28
ES464485A1 (es) 1979-01-01
JPS5731742B2 (enrdf_load_stackoverflow) 1982-07-06
FR2382471B1 (enrdf_load_stackoverflow) 1981-01-02
NL7713024A (nl) 1978-05-30
JPS5367798A (en) 1978-06-16
FR2382442A1 (fr) 1978-09-29

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee