JPS493995A - - Google Patents

Info

Publication number
JPS493995A
JPS493995A JP4109172A JP4109172A JPS493995A JP S493995 A JPS493995 A JP S493995A JP 4109172 A JP4109172 A JP 4109172A JP 4109172 A JP4109172 A JP 4109172A JP S493995 A JPS493995 A JP S493995A
Authority
JP
Japan
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.)
Granted
Application number
JP4109172A
Other languages
Japanese (ja)
Other versions
JPS5036877B2 (enrdf_load_html_response
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 filed Critical
Priority to JP4109172A priority Critical patent/JPS5036877B2/ja
Priority to NL7303242A priority patent/NL173650C/xx
Priority to DE19732315492 priority patent/DE2315492B2/de
Priority to GB1525673A priority patent/GB1415774A/en
Publication of JPS493995A publication Critical patent/JPS493995A/ja
Publication of JPS5036877B2 publication Critical patent/JPS5036877B2/ja
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)
JP4109172A 1972-04-24 1972-04-24 Expired JPS5036877B2 (enrdf_load_html_response)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP4109172A JPS5036877B2 (enrdf_load_html_response) 1972-04-24 1972-04-24
NL7303242A NL173650C (nl) 1972-04-24 1973-03-08 Werkwijze voor het verlagen van de druk in een reactiezone voor de bereiding van lineaire polyesters of copolyesters.
DE19732315492 DE2315492B2 (de) 1972-04-24 1973-03-28 Verfahren zur Erniedrigung des Druckes in einer Polykondensationszone zur Herstellung von linearen Polyestern
GB1525673A GB1415774A (en) 1972-04-24 1973-03-29 Polyester production

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JPS493995A true JPS493995A (enrdf_load_html_response) 1974-01-14
JPS5036877B2 JPS5036877B2 (enrdf_load_html_response) 1975-11-28

Family

ID=12598790

Family Applications (1)

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

Country Status (4)

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

Families Citing this family (6)

* 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
DE2948541A1 (de) * 1979-12-03 1981-06-04 Nukem Gmbh, 6450 Hanau Verfahren und vorrichtung zur mehrstufigen verdampfung
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

Also Published As

Publication number Publication date
NL173650C (nl) 1984-02-16
JPS5036877B2 (enrdf_load_html_response) 1975-11-28
DE2315492B2 (de) 1978-05-03
NL7303242A (enrdf_load_html_response) 1973-10-26
GB1415774A (en) 1975-11-26
DE2315492A1 (de) 1973-11-08

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