ES2138995T3 - Desvolatizacion coadyuvada por un fluido. - Google Patents

Desvolatizacion coadyuvada por un fluido.

Info

Publication number
ES2138995T3
ES2138995T3 ES93305603T ES93305603T ES2138995T3 ES 2138995 T3 ES2138995 T3 ES 2138995T3 ES 93305603 T ES93305603 T ES 93305603T ES 93305603 T ES93305603 T ES 93305603T ES 2138995 T3 ES2138995 T3 ES 2138995T3
Authority
ES
Spain
Prior art keywords
mass
fluid
coadyuvada
devolatization
founded
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 - Lifetime
Application number
ES93305603T
Other languages
English (en)
Inventor
John Paul Skilbeck
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.)
Nova Chemicals International SA
Original Assignee
Nova Chemicals International 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 Nova Chemicals International SA filed Critical Nova Chemicals International SA
Application granted granted Critical
Publication of ES2138995T3 publication Critical patent/ES2138995T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F6/00—Post-polymerisation treatments
    • C08F6/001—Removal of residual monomers by physical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/06—Flash distillation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Artificial Filaments (AREA)

Abstract

UNA MASA FUNDIDA DE POLIMEROS SE PUEDE DESVOLATILIZAR A MENOS DE 500, PREFERENTEMENTE A MENOS DE 150 PPM DE MATERIAL VOLATIL RESIDUAL A BASE DE INYECTAR EN LA MASA FUNDIDA UNA CANTIDAD DE FLUIDO QUE SE CONDENSARA PERO NO SE CONGELARA A PRESIONES INFERIORES A 20 MM DE HG APROXIMADAMENTE, EN UNA CANTIDAD SUPERIOR A LA CANTIDAD DE MATERIAL VOLATIL RESIDUAL PRESENTE EN LA MASA FUNDIDA DE POLIMEROS, EJ. NO MAS DE UN 10% EN PESO APROXIMADAMENTE Y DE HACER PASAR A LA MASA FUNDIDA A TRAVES DE UNA ZONA DE PRESION DE 8 MM DE HG O INFERIOR A UNA TEMPERATURA ENTRE 200 Y 350 (GRADOS) C.
ES93305603T 1992-07-27 1993-07-16 Desvolatizacion coadyuvada por un fluido. Expired - Lifetime ES2138995T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US91987792A 1992-07-27 1992-07-27

Publications (1)

Publication Number Publication Date
ES2138995T3 true ES2138995T3 (es) 2000-02-01

Family

ID=25442790

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93305603T Expired - Lifetime ES2138995T3 (es) 1992-07-27 1993-07-16 Desvolatizacion coadyuvada por un fluido.

Country Status (6)

Country Link
US (1) US5350813A (es)
EP (1) EP0583082B1 (es)
JP (1) JPH06157637A (es)
CA (1) CA2099659C (es)
DE (1) DE69326401T2 (es)
ES (1) ES2138995T3 (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5691445A (en) * 1996-03-28 1997-11-25 Novacor Chemicals (International) S.A. Devolatilization
US5861474A (en) * 1996-07-23 1999-01-19 The Dow Chemical Company Polymer devolatilization
US5874525A (en) * 1997-01-24 1999-02-23 Nova Chemicals Inc. Devolatilizer tray array
US5980797A (en) * 1997-03-20 1999-11-09 Eastman Chemical Company Apparatus and method for molding polyester articles having low acetaldehyde content directly from the melt formation using flash tank devoltatilization
DE69813711T2 (de) * 1997-09-30 2004-02-26 Mitsui Chemicals, Inc. Verfahren zur Entfernung flüchtiger Stoffe aus einer Polymerzusammensetzung
GB9904897D0 (en) 1999-03-03 1999-04-28 Nova Chemicals Europ Limited Polymer devlatilisation process
FR2843966A1 (fr) * 2002-08-30 2004-03-05 Bp Chem Int Ltd Procede et appareillage pour degazer un polymere
US7304125B2 (en) 2005-02-12 2007-12-04 Stratek Plastic Limited Process for the preparation of polymers from polymer slurries
FR2921663A1 (fr) * 2007-10-02 2009-04-03 Bluestar Silicones France Soc Polyorganosiloxanes a fonction piperidine depourvus de toxicite par contact cutane et utilisation de ces derniers dans des compositions cosmetiques
FR3004452B1 (fr) * 2013-04-15 2015-05-01 Michelin & Cie Procede de concentration en continu d'une solution d'elastomere dienique et installation pour sa mise en œuvre

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3987235A (en) * 1974-09-12 1976-10-19 The Dow Chemical Company Devolatilization of alkenyl aromatic polymers
DE3425125A1 (de) * 1984-07-07 1986-01-16 Bayer Ag, 5090 Leverkusen Verfahren zum entfernen von unerwuenschten restbestandteilen, insbesondere niedermolekularen komponenten, aus festen polymeren
JPH0286604A (ja) * 1988-09-22 1990-03-27 Toyo Eng Corp 重合体の精製方法
US5102591A (en) * 1989-12-27 1992-04-07 General Electric Company Method for removing volatile substances from polyphenylene ether resin blends
US5069750A (en) * 1990-04-12 1991-12-03 Polysar Financial Services S.A. Distributor for a devolatilizer
US5118388A (en) * 1990-04-12 1992-06-02 Polysar Financial Services S.A. Polymer melt distributor
US5126409A (en) * 1991-01-08 1992-06-30 Rohm And Haas Company Polyglutarimides with improved properties

Also Published As

Publication number Publication date
DE69326401D1 (de) 1999-10-21
US5350813A (en) 1994-09-27
JPH06157637A (ja) 1994-06-07
CA2099659A1 (en) 1994-01-28
EP0583082B1 (en) 1999-09-15
DE69326401T2 (de) 2000-05-04
CA2099659C (en) 2003-01-28
EP0583082A1 (en) 1994-02-16

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