ES355492A1 - Dispositivo para la separacion de solventes de materias fundidas. - Google Patents

Dispositivo para la separacion de solventes de materias fundidas.

Info

Publication number
ES355492A1
ES355492A1 ES355492A ES355492A ES355492A1 ES 355492 A1 ES355492 A1 ES 355492A1 ES 355492 A ES355492 A ES 355492A ES 355492 A ES355492 A ES 355492A ES 355492 A1 ES355492 A1 ES 355492A1
Authority
ES
Spain
Prior art keywords
solvent
polymerizate
withdrawn
foam
leaves
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
Application number
ES355492A
Other languages
English (en)
Spanish (es)
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.)
Werner and Pfleiderer GmbH
Original Assignee
Werner and Pfleiderer GmbH
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 Werner and Pfleiderer GmbH filed Critical Werner and Pfleiderer GmbH
Publication of ES355492A1 publication Critical patent/ES355492A1/es
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/76—Venting, drying means; Degassing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/38—Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in the same barrel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/55—Screws having reverse-feeding elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
ES355492A 1967-08-19 1968-06-26 Dispositivo para la separacion de solventes de materias fundidas. Expired ES355492A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEW0044625 1967-08-19

Publications (1)

Publication Number Publication Date
ES355492A1 true ES355492A1 (es) 1970-04-16

Family

ID=7604148

Family Applications (2)

Application Number Title Priority Date Filing Date
ES355492A Expired ES355492A1 (es) 1967-08-19 1968-06-26 Dispositivo para la separacion de solventes de materias fundidas.
ES370138A Expired ES370138A1 (es) 1967-08-19 1969-08-01 Procedimiento para la separacion de solventes de materias fundidas.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES370138A Expired ES370138A1 (es) 1967-08-19 1969-08-01 Procedimiento para la separacion de solventes de materias fundidas.

Country Status (5)

Country Link
BE (1) BE719096A (ref)
ES (2) ES355492A1 (ref)
FR (1) FR1576156A (ref)
GB (1) GB1175635A (ref)
NL (1) NL6806060A (ref)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2908352A1 (de) * 1979-03-03 1980-09-18 Bayer Ag Verfahren zur getrennten ableitung der einzelnen phasenstroeme einer mehrphasenstroemung
DE3738976A1 (de) * 1987-11-17 1989-05-24 Belland Ag Verfahren und vorrichtung zur herstellung von thermoplastischen kunststoffen
DE3840293A1 (de) * 1988-11-30 1990-05-31 Werner & Pfleiderer Verfahren zum entfernen von verunreinigungen aus polymeren kunststoffen und vorrichtung zur durchfuehrung des verfahrens
EP0779321B1 (en) * 1995-12-05 2003-08-06 Fuji Photo Film Co., Ltd. Process for the preparation of a cellulose ester solution

Also Published As

Publication number Publication date
BE719096A (ref) 1969-01-16
NL6806060A (ref) 1969-02-21
FR1576156A (ref) 1969-07-25
ES370138A1 (es) 1971-04-01
GB1175635A (en) 1969-12-23

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