IT970384B - Procedimento per deliquefare e purificare i polimeri - Google Patents

Procedimento per deliquefare e purificare i polimeri

Info

Publication number
IT970384B
IT970384B IT31512/72A IT3151272A IT970384B IT 970384 B IT970384 B IT 970384B IT 31512/72 A IT31512/72 A IT 31512/72A IT 3151272 A IT3151272 A IT 3151272A IT 970384 B IT970384 B IT 970384B
Authority
IT
Italy
Prior art keywords
deliquephicating
procedure
purifying polymers
purifying
polymers
Prior art date
Application number
IT31512/72A
Other languages
English (en)
Original Assignee
Rohm & Haas
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 Rohm & Haas filed Critical Rohm & Haas
Application granted granted Critical
Publication of IT970384B publication Critical patent/IT970384B/it

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
    • C08F6/14—Treatment of polymer emulsions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/487—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws with consecutive casings or screws, e.g. for feeding, discharging, mixing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/84—Venting or degassing ; Removing liquids, e.g. by evaporating components
    • B29B7/842—Removing liquids in liquid form
    • 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
    • B29C48/50—Details of extruders
    • B29C48/76—Venting, drying means; Degassing means
    • B29C48/763—Vent constructions, e.g. venting means avoiding melt escape
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S260/00—Chemistry of carbon compounds
    • Y10S260/22—Concentration

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
IT31512/72A 1971-11-18 1972-11-10 Procedimento per deliquefare e purificare i polimeri IT970384B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19991271A 1971-11-18 1971-11-18

Publications (1)

Publication Number Publication Date
IT970384B true IT970384B (it) 1974-04-10

Family

ID=22739533

Family Applications (1)

Application Number Title Priority Date Filing Date
IT31512/72A IT970384B (it) 1971-11-18 1972-11-10 Procedimento per deliquefare e purificare i polimeri

Country Status (7)

Country Link
US (1) US3751527A (it)
JP (1) JPS4860179A (it)
BE (1) BE790700A (it)
DE (1) DE2243696A1 (it)
FR (1) FR2160380A1 (it)
IT (1) IT970384B (it)
NL (1) NL7215643A (it)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4080352A (en) * 1977-05-26 1978-03-21 Monsanto Company Process for continuously coagulating an aqueous latex and consolidating as a paste coagulum
US4136251A (en) * 1977-09-12 1979-01-23 E. I. Du Pont De Nemours And Company Extrusion process for recovery of polymers from their dispersions in liquids
FR2525236A1 (fr) * 1982-04-15 1983-10-21 Creusot Loire Procede et dispositif d'hydrolyse d'une matiere cellulosique
DE3248659A1 (de) * 1982-12-30 1984-07-05 Peroxid-Chemie GmbH, 8023 Höllriegelskreuth Entgasungseinrichtung an einem schnecken-extruder oder dergl.
US5227433A (en) * 1984-12-20 1993-07-13 Rohm And Haas Company Modified latex polymer compositions
US5252657A (en) * 1984-12-20 1993-10-12 Rohm And Haas Company Modified latex polymer composition
US4602083A (en) * 1985-01-10 1986-07-22 Rohm And Haas Company Coagulation process
US5237004A (en) * 1986-11-18 1993-08-17 Rohm And Haas Company Thermoplastic and thermoset polymer compositions
ES2076165T3 (es) * 1988-02-15 1995-11-01 Mitsubishi Chem Corp Procedimiento para producir una resina de cloruro de vinilo granular.
JPH0676448B2 (ja) * 1988-06-25 1994-09-28 三菱レイヨン株式会社 改質されたメタクリル系樹脂成形材料の製造方法
US4992222A (en) * 1988-12-29 1991-02-12 General Electric Company Method for removing volatile substances from polyphenylene ether or polyphenylene ether/styrene resin compositions
US5102952A (en) * 1989-08-04 1992-04-07 Rohm And Haas Company Thermoplastic polymer compositions containing melt-rheology modifiers
US5205972A (en) * 1989-10-31 1993-04-27 E. I. Du Pont De Nemours And Company Process for incorporating organic fibrous fillers in elastomers
US5217726A (en) * 1990-12-17 1993-06-08 Kangas Waino J Segmented barrel extruder feeder device
JPH04249237A (ja) * 1991-01-18 1992-09-04 Rohm & Haas Co 背面投射スクリーン面上のスクラッチ又は欠陥を隠ぺいする方法
US5378415A (en) * 1991-04-07 1995-01-03 Paul Troester Maschinenfabrik Process for the production of homogeneous rubber blanks
GB9524220D0 (en) 1995-11-27 1996-01-31 Nashua Corp Improvements in or relating to projection screens and the like
US5749649A (en) * 1996-03-05 1998-05-12 Dynamic Mixers Inc. Satellite extruder arrangement for polymer melt mixing with a dynamic mixer
DE19708097A1 (de) * 1997-02-28 1998-09-03 Krupp Werner & Pfleiderer Gmbh Schnecken-Extrusionsvorrichtung, insbesondere Doppelschnecken-Extrusionsvorrichtung, zur Verarbeitung stark ausgasender Materialien
US5980790A (en) * 1997-03-04 1999-11-09 Mitsubishi Gas Chemical Company, Inc. Process for producing a copolymer
JP2007239780A (ja) * 2006-03-06 2007-09-20 Uniflows Co Ltd 摺動式切換バルブ
DE102006044270A1 (de) 2006-09-20 2008-04-03 Lanxess Deutschland Gmbh Verfahren zur Herstellung von Polymerpulvern
US7768602B2 (en) 2007-10-16 2010-08-03 Rohm And Haas Company Light diffusing article with GRIN lenses

Also Published As

Publication number Publication date
FR2160380A1 (it) 1973-06-29
JPS4860179A (it) 1973-08-23
BE790700A (fr) 1973-04-27
US3751527A (en) 1973-08-07
NL7215643A (it) 1973-05-22
DE2243696A1 (de) 1973-05-24

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