WO2008108196A1 - スクリュ式混練押出機 - Google Patents

スクリュ式混練押出機 Download PDF

Info

Publication number
WO2008108196A1
WO2008108196A1 PCT/JP2008/053153 JP2008053153W WO2008108196A1 WO 2008108196 A1 WO2008108196 A1 WO 2008108196A1 JP 2008053153 W JP2008053153 W JP 2008053153W WO 2008108196 A1 WO2008108196 A1 WO 2008108196A1
Authority
WO
WIPO (PCT)
Prior art keywords
injection holes
kneading extruder
screw kneading
devolatizing
aid
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.)
Ceased
Application number
PCT/JP2008/053153
Other languages
English (en)
French (fr)
Inventor
Masamichi Ishibashi
Seiji Takamoto
Hiroaki Shintani
Kenji Inagawa
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.)
Japan Steel Works Ltd
Original Assignee
Japan Steel Works Ltd
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 Japan Steel Works Ltd filed Critical Japan Steel Works Ltd
Publication of WO2008108196A1 publication Critical patent/WO2008108196A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • B29B7/465—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft each shaft comprising rotor parts of the Banbury type in addition to screw parts
    • 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
    • B29B7/845—Venting, degassing or removing evaporated components in devices with rotary stirrers
    • 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
    • B29C48/762—Vapour stripping
    • 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)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

本発明は、シリンダに複数の注入孔を形成し、各注入孔から脱揮助剤を注入することにより、脱気効率を向上させることを目的とする。本発明によるスクリュ式混練押出機は、シリンダ(2)の内孔(2a)の周方向の互いに異なる位置に複数の注入孔(4)を形成し、各注入孔(4)から脱揮助剤(10)を注入し、脱気効率を向上させる構成である。
PCT/JP2008/053153 2007-03-02 2008-02-25 スクリュ式混練押出機 Ceased WO2008108196A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007053132A JP4658981B2 (ja) 2007-03-02 2007-03-02 スクリュ式混練押出機
JP2007-053132 2007-03-02

Publications (1)

Publication Number Publication Date
WO2008108196A1 true WO2008108196A1 (ja) 2008-09-12

Family

ID=39738089

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/053153 Ceased WO2008108196A1 (ja) 2007-03-02 2008-02-25 スクリュ式混練押出機

Country Status (2)

Country Link
JP (1) JP4658981B2 (ja)
WO (1) WO2008108196A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6179318B2 (ja) * 2012-09-26 2017-08-16 三菱ケミカル株式会社 ポリカーボネート樹脂の製造方法
US11090848B2 (en) * 2019-03-29 2021-08-17 Toray Plastics (America), Inc. Liquid injection barrel element for barrel extruder

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5249267A (en) * 1975-10-17 1977-04-20 Japan Steel Works Ltd Degassing modifying extruder
JPH10249913A (ja) * 1997-03-12 1998-09-22 Japan Steel Works Ltd:The 注水発泡脱揮方法及び装置
JP2002037879A (ja) * 2000-07-19 2002-02-06 Teijin Chem Ltd 成形用芳香族ポリカーボネート樹脂の製造方法
JP2005111847A (ja) * 2003-10-08 2005-04-28 Japan Steel Works Ltd:The 廃プラスチックの減容造粒方法及びその装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5249267A (en) * 1975-10-17 1977-04-20 Japan Steel Works Ltd Degassing modifying extruder
JPH10249913A (ja) * 1997-03-12 1998-09-22 Japan Steel Works Ltd:The 注水発泡脱揮方法及び装置
JP2002037879A (ja) * 2000-07-19 2002-02-06 Teijin Chem Ltd 成形用芳香族ポリカーボネート樹脂の製造方法
JP2005111847A (ja) * 2003-10-08 2005-04-28 Japan Steel Works Ltd:The 廃プラスチックの減容造粒方法及びその装置

Also Published As

Publication number Publication date
JP2008213270A (ja) 2008-09-18
JP4658981B2 (ja) 2011-03-23

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