GB1415774A - Polyester production - Google Patents

Polyester production

Info

Publication number
GB1415774A
GB1415774A GB1525673A GB1525673A GB1415774A GB 1415774 A GB1415774 A GB 1415774A GB 1525673 A GB1525673 A GB 1525673A GB 1525673 A GB1525673 A GB 1525673A GB 1415774 A GB1415774 A GB 1415774A
Authority
GB
United Kingdom
Prior art keywords
condenser
reactor
reduced pressure
operating fluid
condensers
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
GB1525673A
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.)
Kuraray Co Ltd
Original Assignee
Kuraray Co Ltd
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
Application filed by Kuraray Co Ltd filed Critical Kuraray Co Ltd
Publication of GB1415774A publication Critical patent/GB1415774A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78—Preparation processes
    • C08G63/785—Preparation processes characterised by the apparatus used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/006—Processes utilising sub-atmospheric pressure; Apparatus therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyesters Or Polycarbonates (AREA)
GB1525673A 1972-04-24 1973-03-29 Polyester production Expired GB1415774A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4109172A JPS5036877B2 (enrdf_load_stackoverflow) 1972-04-24 1972-04-24

Publications (1)

Publication Number Publication Date
GB1415774A true GB1415774A (en) 1975-11-26

Family

ID=12598790

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1525673A Expired GB1415774A (en) 1972-04-24 1973-03-29 Polyester production

Country Status (4)

Country Link
JP (1) JPS5036877B2 (enrdf_load_stackoverflow)
DE (1) DE2315492B2 (enrdf_load_stackoverflow)
GB (1) GB1415774A (enrdf_load_stackoverflow)
NL (1) NL173650C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2471203A1 (fr) * 1979-12-03 1981-06-19 Nukem Gmbh Procede et dispositif d'evaporation a plusieurs etages

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2409343B2 (de) * 1974-02-27 1979-06-28 Akzo Gmbh, 5600 Wuppertal Verfahren zum Entfernen der dampfförmigen Reaktionsprodukte bei der Herstellung von Polyestern, insbesondere von Polyäthylenterephthalat
ATE41668T1 (de) * 1986-04-29 1989-04-15 Fischer Karl Ind Gmbh Verfahren und vorrichtung zur herstellung hochmolekularer polyester.
DE4419397A1 (de) * 1994-06-03 1995-12-14 Zimmer Ag Verfahren zur mehrstufigen Vakuumerzeugung bei der Polyester-Herstellung
DE102005017427A1 (de) 2005-04-15 2006-10-19 Zimmer Ag Verfahren zur Aufbereitung von Kondensaten aus der Polykondensation
DE102011007543A1 (de) * 2011-04-15 2012-10-18 Aquafil Engineering Gmbh Vorrichtung und Verfahren zur Kondensation von Dämpfen unter Vakuum

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2471203A1 (fr) * 1979-12-03 1981-06-19 Nukem Gmbh Procede et dispositif d'evaporation a plusieurs etages

Also Published As

Publication number Publication date
DE2315492B2 (de) 1978-05-03
NL7303242A (enrdf_load_stackoverflow) 1973-10-26
JPS493995A (enrdf_load_stackoverflow) 1974-01-14
NL173650C (nl) 1984-02-16
JPS5036877B2 (enrdf_load_stackoverflow) 1975-11-28
DE2315492A1 (de) 1973-11-08

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Legal Events

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