DK143653C - Fremgangsmaade til fremstilling af polyestere med en graenseviskositet paa indtil 0,40 dl/g og apparat til udoevelse af fremgangsmaaden - Google Patents

Fremgangsmaade til fremstilling af polyestere med en graenseviskositet paa indtil 0,40 dl/g og apparat til udoevelse af fremgangsmaaden

Info

Publication number
DK143653C
DK143653C DK593970A DK593970A DK143653C DK 143653 C DK143653 C DK 143653C DK 593970 A DK593970 A DK 593970A DK 593970 A DK593970 A DK 593970A DK 143653 C DK143653 C DK 143653C
Authority
DK
Denmark
Prior art keywords
procedure
exercising
preparing polyesters
border
viscosity
Prior art date
Application number
DK593970A
Other languages
Danish (da)
English (en)
Other versions
DK143653B (da
Inventor
L Beer
H Fischer
E Heil
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Publication of DK143653B publication Critical patent/DK143653B/da
Application granted granted Critical
Publication of DK143653C publication Critical patent/DK143653C/da

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
DK593970A 1969-11-22 1970-11-23 Fremgangsmaade til fremstilling af polyestere med en graenseviskositet paa indtil 0,40 dl/g og apparat til udoevelse af fremgangsmaaden DK143653C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1958777A DE1958777C3 (de) 1969-11-22 1969-11-22 Verfahren zur kontinuierlichen Herstellung von Polyestern
DE1958777 1969-11-22

Publications (2)

Publication Number Publication Date
DK143653B DK143653B (da) 1981-09-21
DK143653C true DK143653C (da) 1982-04-26

Family

ID=5751817

Family Applications (1)

Application Number Title Priority Date Filing Date
DK593970A DK143653C (da) 1969-11-22 1970-11-23 Fremgangsmaade til fremstilling af polyestere med en graenseviskositet paa indtil 0,40 dl/g og apparat til udoevelse af fremgangsmaaden

Country Status (12)

Country Link
US (1) US3723391A (de)
JP (1) JPS4914552B1 (de)
AT (1) AT308403B (de)
BE (1) BE759208A (de)
CA (1) CA953448A (de)
CH (1) CH547833A (de)
DE (1) DE1958777C3 (de)
DK (1) DK143653C (de)
FR (1) FR2100603B1 (de)
GB (1) GB1321115A (de)
LU (1) LU62089A1 (de)
NL (1) NL169332C (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3864091A (en) * 1971-05-10 1975-02-04 Ivo Mavrovic Apparatus for the decomposition of ammonium carbamate
DE2514116C3 (de) * 1975-03-29 1983-03-17 Basf Ag, 6700 Ludwigshafen Verfahren zur kontinuierlichen Herstellung von linearen, hochmolekularen Polybutylenterephthalaten
FR2452315B1 (fr) * 1979-03-28 1985-07-05 Azote & Prod Chim Reacteur de nitration d'hydrocarbures en phase gazeuse sous pression
SE452327B (sv) * 1979-08-28 1987-11-23 St Lawrence Tech Ltd Kemisk reaktor for framstellning av modifierad sterkelse och sterkelsederivat i homogen flytande form
US4289871A (en) * 1980-03-27 1981-09-15 Allied Chemical Corporation Method to increase reactor capacity for polycondensation of polyesters
JPS57157955A (en) * 1981-03-25 1982-09-29 Zuitou Sangyo Kk Hot water supplying apparatus
EP1453883B1 (de) * 2000-12-07 2012-11-21 Grupo Petrotemex, S.A. de C.V. Kostengünstiges polyesterverfahren unter verwendung eines rohrreaktors
US6906164B2 (en) * 2000-12-07 2005-06-14 Eastman Chemical Company Polyester process using a pipe reactor
US7135541B2 (en) 2003-06-06 2006-11-14 Eastman Chemical Company Polyester process using a pipe reactor
US7074879B2 (en) * 2003-06-06 2006-07-11 Eastman Chemical Company Polyester process using a pipe reactor
US7332548B2 (en) * 2004-03-04 2008-02-19 Eastman Chemical Company Process for production of a polyester product from alkylene oxide and carboxylic acid
US7649109B2 (en) * 2006-12-07 2010-01-19 Eastman Chemical Company Polyester production system employing recirculation of hot alcohol to esterification zone
US20080139780A1 (en) * 2006-12-07 2008-06-12 Debruin Bruce Roger Polyester production system employing short residence time esterification
US7943094B2 (en) * 2006-12-07 2011-05-17 Grupo Petrotemex, S.A. De C.V. Polyester production system employing horizontally elongated esterification vessel
US7863477B2 (en) * 2007-03-08 2011-01-04 Eastman Chemical Company Polyester production system employing hot paste to esterification zone
US7842777B2 (en) * 2007-07-12 2010-11-30 Eastman Chemical Company Sloped tubular reactor with divided flow
US7868130B2 (en) * 2007-07-12 2011-01-11 Eastman Chemical Company Multi-level tubular reactor with vertically spaced segments
US7872090B2 (en) * 2007-07-12 2011-01-18 Eastman Chemical Company Reactor system with optimized heating and phase separation
US7868129B2 (en) * 2007-07-12 2011-01-11 Eastman Chemical Company Sloped tubular reactor with spaced sequential trays
US7858730B2 (en) * 2007-07-12 2010-12-28 Eastman Chemical Company Multi-level tubular reactor with dual headers
US7829653B2 (en) * 2007-07-12 2010-11-09 Eastman Chemical Company Horizontal trayed reactor
US7847053B2 (en) * 2007-07-12 2010-12-07 Eastman Chemical Company Multi-level tubular reactor with oppositely extending segments
US7872089B2 (en) 2007-07-12 2011-01-18 Eastman Chemical Company Multi-level tubular reactor with internal tray

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2727882A (en) * 1952-10-14 1955-12-20 Du Pont Process and apparatus for the continuous polymerization of bis-2-hydroxyethyl terephthalate
NL128030C (de) * 1965-06-01
US3676485A (en) * 1968-08-12 1972-07-11 Eastman Kodak Co Method for use in a continuous flow reaction for producing a monomer and or a protopolymer

Also Published As

Publication number Publication date
DK143653B (da) 1981-09-21
CA953448A (en) 1974-08-20
LU62089A1 (de) 1971-05-11
NL169332C (nl) 1982-07-01
CH547833A (de) 1974-04-11
FR2100603B1 (de) 1977-03-18
DE1958777A1 (de) 1971-05-27
FR2100603A1 (de) 1972-03-24
GB1321115A (en) 1973-06-20
BE759208A (fr) 1971-05-21
NL169332B (nl) 1982-02-01
AT308403B (de) 1973-07-10
JPS4914552B1 (de) 1974-04-08
DE1958777B2 (de) 1979-02-15
NL7016902A (de) 1971-05-25
DE1958777C3 (de) 1979-10-11
US3723391A (en) 1973-03-27

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Legal Events

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PBP Patent lapsed