BE780142A - Procede de fabrication continue de polycondensats macromoleculaires. - Google Patents

Procede de fabrication continue de polycondensats macromoleculaires.

Info

Publication number
BE780142A
BE780142A BE780142A BE780142A BE780142A BE 780142 A BE780142 A BE 780142A BE 780142 A BE780142 A BE 780142A BE 780142 A BE780142 A BE 780142A BE 780142 A BE780142 A BE 780142A
Authority
BE
Belgium
Prior art keywords
heated
under vacuum
prepn
opt
solid phase
Prior art date
Application number
BE780142A
Other languages
English (en)
Original Assignee
Sandoz Sa
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 Sandoz Sa filed Critical Sandoz Sa
Priority to BE780142A priority Critical patent/BE780142A/fr
Publication of BE780142A publication Critical patent/BE780142A/fr

Links

Classifications

    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/20—Stationary reactors having moving elements inside in the form of helices, e.g. screw reactors
    • 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
    • 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)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
BE780142A 1972-03-02 1972-03-02 Procede de fabrication continue de polycondensats macromoleculaires. BE780142A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BE780142A BE780142A (fr) 1972-03-02 1972-03-02 Procede de fabrication continue de polycondensats macromoleculaires.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE780142A BE780142A (fr) 1972-03-02 1972-03-02 Procede de fabrication continue de polycondensats macromoleculaires.

Publications (1)

Publication Number Publication Date
BE780142A true BE780142A (fr) 1972-09-04

Family

ID=3859353

Family Applications (1)

Application Number Title Priority Date Filing Date
BE780142A BE780142A (fr) 1972-03-02 1972-03-02 Procede de fabrication continue de polycondensats macromoleculaires.

Country Status (1)

Country Link
BE (1) BE780142A (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7649109B2 (en) 2006-12-07 2010-01-19 Eastman Chemical Company Polyester production system employing recirculation of hot alcohol to esterification zone
US7718759B2 (en) 2000-12-07 2010-05-18 Eastman Chemical Company Polyester process using a pipe reactor
US7829653B2 (en) 2007-07-12 2010-11-09 Eastman Chemical Company Horizontal trayed reactor
US7842777B2 (en) 2007-07-12 2010-11-30 Eastman Chemical Company Sloped tubular reactor with divided flow
US7847053B2 (en) 2007-07-12 2010-12-07 Eastman Chemical Company Multi-level tubular reactor with oppositely extending segments
US7858730B2 (en) 2007-07-12 2010-12-28 Eastman Chemical Company Multi-level tubular reactor with dual headers
US7863477B2 (en) 2007-03-08 2011-01-04 Eastman Chemical Company Polyester production system employing hot paste to esterification zone
US7868129B2 (en) 2007-07-12 2011-01-11 Eastman Chemical Company Sloped tubular reactor with spaced sequential trays
US7868130B2 (en) 2007-07-12 2011-01-11 Eastman Chemical Company Multi-level tubular reactor with vertically spaced segments
US7872089B2 (en) 2007-07-12 2011-01-18 Eastman Chemical Company Multi-level tubular reactor with internal tray
US7872090B2 (en) 2007-07-12 2011-01-18 Eastman Chemical Company Reactor system with optimized heating and phase separation
US7943094B2 (en) 2006-12-07 2011-05-17 Grupo Petrotemex, S.A. De C.V. Polyester production system employing horizontally elongated esterification vessel

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7718759B2 (en) 2000-12-07 2010-05-18 Eastman Chemical Company Polyester process using a pipe reactor
US7842778B2 (en) 2000-12-07 2010-11-30 Eastman Chemical Company Polyester process using a pipe reactor
US8114954B2 (en) 2000-12-07 2012-02-14 Grupo Petrotemex, S.A. De C.V. Polyester process using a pipe reactor
US8470250B2 (en) 2006-12-07 2013-06-25 Grupo Petrotemex, S.A. De C.V. Polyester production system employing horizontally elongated esterification vessel
US7943094B2 (en) 2006-12-07 2011-05-17 Grupo Petrotemex, S.A. De C.V. Polyester production system employing horizontally elongated esterification vessel
US7649109B2 (en) 2006-12-07 2010-01-19 Eastman Chemical Company Polyester production system employing recirculation of hot alcohol to esterification zone
US7863477B2 (en) 2007-03-08 2011-01-04 Eastman Chemical Company Polyester production system employing hot paste to esterification zone
US7858730B2 (en) 2007-07-12 2010-12-28 Eastman Chemical Company Multi-level tubular reactor with dual headers
US7868129B2 (en) 2007-07-12 2011-01-11 Eastman Chemical Company Sloped tubular reactor with spaced sequential trays
US7868130B2 (en) 2007-07-12 2011-01-11 Eastman Chemical Company Multi-level tubular reactor with vertically spaced segments
US7872089B2 (en) 2007-07-12 2011-01-18 Eastman Chemical Company Multi-level tubular reactor with internal tray
US7872090B2 (en) 2007-07-12 2011-01-18 Eastman Chemical Company Reactor system with optimized heating and phase separation
US7847053B2 (en) 2007-07-12 2010-12-07 Eastman Chemical Company Multi-level tubular reactor with oppositely extending segments
US7842777B2 (en) 2007-07-12 2010-11-30 Eastman Chemical Company Sloped tubular reactor with divided flow
US7829653B2 (en) 2007-07-12 2010-11-09 Eastman Chemical Company Horizontal trayed reactor

Similar Documents

Publication Publication Date Title
BE780142A (fr) Procede de fabrication continue de polycondensats macromoleculaires.
CA1007783A (en) Biaxially oriented polyethylene-2,6-naphthalate film containing another polyester resin and process for its production
ZA735827B (en) New linear homopolyesters and copolyesters based on terephthalic acid and/or isophthalic acid
CA974332A (en) Radiant energy imaging with rocking scanning
CA970179A (en) Cooking vessel for use with induction heating cooking unit
GB1426065A (en) Constant temperature device
BE830868A (fr) Procede de transport de chaleur sous forme d'energie chimique
AT328137B (de) Kessel zur erwarmung von medien, insbesondere zur verdampfung von flussigkeiten
NL7202233A (en) Polyester prepn - by solid phase condensation in heated tubular reactors under vacuum with opt heated transport screws
AU468782B2 (en) New, linear homopolyesters and copolyesters based on terephthalic acid and/or isophthalic acid
ES400808A1 (es) Evaporador de fases multiples.
CA931127A (en) Shipping container with temperature conditioning means
GB1214702A (en) Polycondensation reactor
AU443278B2 (en) A heat exchanger for vapour generation
IL41122A0 (en) Means for circulating liquids or mixtures or liquids and solids in a container
BE800019A (fr) Nouvel accelerateur de durcissement des resines polyesters et procede de durcissement de resines polyesters,
FR2118157A1 (en) Fixed phase condensation - in continuous operation to give polyester from polyethylene terephthalate
CA1035892A (fr) Fabrication et utilisation de copolyesters lineaires a base d'acide terephtalique et (ou) d'acide isophtalique
ZA713692B (en) Improvements in electrically heated vessels for heating liquids
JPS5517516A (en) Molding method of polyester sheet
ZA717361B (en) Catalyst system useful for the unsaturated compounds polymerization,process employing said catalyst system and products obtained with the above process
BE821552A (fr) Procede de preparation de feuilles polymeres biaxialement orientees
CA1028793A (fr) Fonction et synthese de copolyesters lineaires a base d'acide terephtalique ou d'acide isophtalique
WALLIS Interstellar matter and solar wind(Solar wind/interstellar gas interactions and Lyman alpha background radiation)
CA887122A (en) Polytetrafluoroethylene organosols containing heat stable auxiliary materials