JP4768018B2 - 逆回転2軸押出機 - Google Patents
逆回転2軸押出機 Download PDFInfo
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- JP4768018B2 JP4768018B2 JP2008520720A JP2008520720A JP4768018B2 JP 4768018 B2 JP4768018 B2 JP 4768018B2 JP 2008520720 A JP2008520720 A JP 2008520720A JP 2008520720 A JP2008520720 A JP 2008520720A JP 4768018 B2 JP4768018 B2 JP 4768018B2
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- Prior art keywords
- kneading
- conveying
- zone
- section
- screw extruder
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- Expired - Fee Related
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- 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
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- 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
- B29B7/488—Parts, e.g. casings, sealings; Accessories, e.g. flow controlling or throttling devices
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- 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
- B29B7/88—Adding charges, i.e. additives
- B29B7/90—Fillers or reinforcements, e.g. fibres
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- 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
- B29C48/255—Flow control means, e.g. valves
- B29C48/2552—Flow control means, e.g. valves provided in the feeding, melting, plasticising or pumping zone, e.g. screw, barrel, gear-pump or ram
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- 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
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
-
- 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
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- 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
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
- B29C48/404—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders the screws having non-intermeshing parts
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- 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
- B29C48/575—Screws provided with elements of a generally circular cross-section for shearing the melt, i.e. shear-ring elements
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- 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
- B29C48/64—Screws with two or more threads
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- 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
- B29C48/05—Filamentary, e.g. strands
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- 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
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
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- 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
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
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- 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
- B29C48/268—Throttling of the flow, e.g. for cooperating with plasticising elements or for degassing
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)
Description
Claims (13)
- 逆回転し軸平行の二つのローター(5、6)を内蔵する二つのバレル(3、4)のチャンバー(2)を形成する本体(1)、該チャンバー(2)内で混練されるべき物質のための、本体(1)の一端にある供給口(7)、混練された物質を吐出するための、本体(1)の他端にある吐出口(8)、該物質を供給口(7)から、少なくとも一条の送り搬送翼(14、15;21、22)および該送り搬送翼(14、15;21、22)の下流に少なくとも一条の戻し搬送翼(17、18;24、25)を有する下流の第一混練部(44)まで供給するためのスクリュー(12)を備えた第一搬送部(34)、該第一混練部(44)の下流の絞り弁(40)、該絞り弁(40)の下流にある、夫々ローター(5、6)上の、スクリュー(27)を備えた第二搬送部(47)、および第二混練部を有するスクリュー押出機であって、
第一混練部(44)が少なくとも二つの混練帯域(45、46)を有し、上記混練帯域(45、46)の夫々が、各ローター(5、6)上に少なくとも一条の送り搬送翼(14、15;21、22)および該送り搬送翼(14、15;21、22)の下流に少なくとも一条の戻し搬送翼(17、18;24、25)
を有し、該第二混練部は該第一混練部(44)の混練帯域の数より少ない数の混練帯域を有することを特徴とするスクリュー押出機。 - 第一混練部(44)の各混練帯域(45、46)の送り搬送翼(14、15;21、22)の下流端および戻し搬送翼(17、18;24、25)の上流端がオフセットされて、混練されるべき物質のための流路が形成されていることを特徴とする、請求項1に従う2軸押出機。
- 搬送部(34)側にある第一混練帯域(45)の戻し搬送翼(17、18)の下流端、および第一混練帯域(45)の下流の混練帯域(46)の送り搬送翼(21、22)の上流端がオフセットされて、混練されるべき物質のための流路が形成されていることを特徴とする、請求項1または2に従う2軸押出機。
- 第一混練帯域(45)内の戻し搬送翼(17、18)の長さ(L2)が、第一混練帯域(45)の下流の混練帯域(46)内の戻し搬送翼(24、25)の長さ(L4)よりも短いことを特徴とする、請求項1〜3のいずれか1項に従う2軸押出機。
- 第一混練帯域(45)の翼(11、14;17、18)の半径方向間隙(C)が、第一混練帯域(45)の下流の混練帯域(46)の翼(21、22;24、25)の半径方向間隙(C)よりも大きいことを特徴とする、請求項1〜4のいずれか1項に従う2軸押出機。
- 第二混練部(48)が少なくとも一つの混練帯域(49)を含んでいること、および該混練帯域(49)が少なくとも一条の送り搬送翼(30、31、32)および該送り搬送翼(30、31、32)の下流の少なくとも一条の戻し搬送翼(34、35、36)から成ることを特徴とする、請求項1に従う2軸押出機。
- 第二混練部(48)の混練帯域(49)の送り搬送翼(30、31、32)および戻し搬送翼(34、35、36)が、「V」の形状をした連続フライトを形成するように置かれていることを特徴とする、請求項1に従う2軸押出機。
- 各混練帯域(45、46、49)の送り搬送翼(14、15;21、22;30、31、32)の条数および戻し搬送翼(17、18;24、25;34、35、36)の条数が、それぞれの混練帯域(45、46、49)の上流の搬送部(34、47)のスクリュー(12、27)のフライトの条数に対応していることを特徴とする、請求項1〜7のいずれか1項に従う2軸押出機。
- 各混練帯域(45、46、49)の送り搬送翼(14、15;21、22;30、31、32)の長さ(L1、L3、L5)が、当該混練帯域(45、46、49)の戻し搬送翼(17、18;24、25;34、35、36)の長さ(L2、L4、L6)よりも長いことを特徴とする、請求項1〜8のいずれか1項に従う2軸押出機。
- 翼(14、15;17、18;21、22;24、25;30、31、32;34、35、36)の長さ(L1〜L6)とバレル直径(D)との比が、0.3〜2.0であることを特徴とする、請求項1〜9のいずれか1項に従う2軸押出機。
- 第一混練部(44)および/または第二混練部(48)の翼(14、15;17、18;21、22;24、25;30、31、32;34、35、36)のリードが、バレル直径(D)の2〜6倍であることを特徴とする、請求項1〜10のいずれか1項に従う2軸押出機。
- 多峰性ポリマー組成物をコンパウンドするために、請求項1〜11のいずれか1項に従う2軸押出機を使用する方法。
- 多峰性オレフィンポリマーをコンパウンドするための比エネルギー投入量が、300kWh/トン未満であることを特徴とする、請求項12に従う方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2005/007555 WO2007006327A1 (en) | 2005-07-12 | 2005-07-12 | Counter-rotating twin screw extruder |
Publications (2)
Publication Number | Publication Date |
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JP2009501092A JP2009501092A (ja) | 2009-01-15 |
JP4768018B2 true JP4768018B2 (ja) | 2011-09-07 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2008520720A Expired - Fee Related JP4768018B2 (ja) | 2005-07-12 | 2005-07-12 | 逆回転2軸押出機 |
Country Status (5)
Country | Link |
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US (2) | US20090213681A1 (ja) |
JP (1) | JP4768018B2 (ja) |
CN (1) | CN101247932B (ja) |
AU (1) | AU2005334397B2 (ja) |
WO (1) | WO2007006327A1 (ja) |
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-
2005
- 2005-07-12 AU AU2005334397A patent/AU2005334397B2/en not_active Ceased
- 2005-07-12 US US11/988,647 patent/US20090213681A1/en not_active Abandoned
- 2005-07-12 JP JP2008520720A patent/JP4768018B2/ja not_active Expired - Fee Related
- 2005-07-12 CN CN2005800510751A patent/CN101247932B/zh not_active Expired - Fee Related
- 2005-07-12 WO PCT/EP2005/007555 patent/WO2007006327A1/en active Application Filing
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2011
- 2011-03-24 US US13/070,625 patent/US8079747B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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US8079747B2 (en) | 2011-12-20 |
AU2005334397B2 (en) | 2009-08-20 |
US20110170369A1 (en) | 2011-07-14 |
AU2005334397A1 (en) | 2007-01-18 |
JP2009501092A (ja) | 2009-01-15 |
WO2007006327A1 (en) | 2007-01-18 |
AU2005334397A8 (en) | 2008-02-21 |
US20090213681A1 (en) | 2009-08-27 |
CN101247932A (zh) | 2008-08-20 |
CN101247932B (zh) | 2011-03-30 |
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