JPS5036877B2 - - Google Patents

Info

Publication number
JPS5036877B2
JPS5036877B2 JP4109172A JP4109172A JPS5036877B2 JP S5036877 B2 JPS5036877 B2 JP S5036877B2 JP 4109172 A JP4109172 A JP 4109172A JP 4109172 A JP4109172 A JP 4109172A JP S5036877 B2 JPS5036877 B2 JP S5036877B2
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.)
Expired
Application number
JP4109172A
Other languages
Japanese (ja)
Other versions
JPS493995A (en
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/en
Priority to DE19732315492 priority patent/DE2315492B2/en
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)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyesters Or Polycarbonates (AREA)
JP4109172A 1972-04-24 1972-04-24 Expired JPS5036877B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP4109172A JPS5036877B2 (en) 1972-04-24 1972-04-24
NL7303242A NL173650C (en) 1972-04-24 1973-03-08 PROCESS FOR LOWERING PRESSURE IN A REACTION ZONE FOR THE PREPARATION OF LINEAR POLYESTERS OR COPOLYESTERS.
DE19732315492 DE2315492B2 (en) 1972-04-24 1973-03-28 Process for lowering the pressure in a polycondensation zone for the production of linear polyesters
GB1525673A GB1415774A (en) 1972-04-24 1973-03-29 Polyester production

Applications Claiming Priority (1)

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

Publications (2)

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

Family

ID=12598790

Family Applications (1)

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

Country Status (4)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2409343B2 (en) * 1974-02-27 1979-06-28 Akzo Gmbh, 5600 Wuppertal Process for removing the vaporous reaction products in the production of polyesters, in particular polyethylene terephthalate
DE2948541A1 (en) * 1979-12-03 1981-06-04 Nukem Gmbh, 6450 Hanau METHOD AND DEVICE FOR MULTI-STAGE EVAPORATION
DE3662526D1 (en) * 1986-04-29 1989-04-27 Fischer Karl Ind Gmbh Process and device for the fabrication of high molecular weight polyester
DE4419397A1 (en) * 1994-06-03 1995-12-14 Zimmer Ag Process for multi-stage vacuum generation in polyester production
DE102005017427A1 (en) 2005-04-15 2006-10-19 Zimmer Ag Process for the treatment of condensates from polycondensation
DE102011007543A1 (en) * 2011-04-15 2012-10-18 Aquafil Engineering Gmbh Apparatus and method for condensing vapors under vacuum

Also Published As

Publication number Publication date
NL173650C (en) 1984-02-16
NL7303242A (en) 1973-10-26
GB1415774A (en) 1975-11-26
DE2315492A1 (en) 1973-11-08
JPS493995A (en) 1974-01-14
DE2315492B2 (en) 1978-05-03

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