CA2106820C - Process and device for producing extrudates from ultra-high molecular weight polyethylene - Google Patents

Process and device for producing extrudates from ultra-high molecular weight polyethylene

Info

Publication number
CA2106820C
CA2106820C CA002106820A CA2106820A CA2106820C CA 2106820 C CA2106820 C CA 2106820C CA 002106820 A CA002106820 A CA 002106820A CA 2106820 A CA2106820 A CA 2106820A CA 2106820 C CA2106820 C CA 2106820C
Authority
CA
Canada
Prior art keywords
region
length
screw
zone
screw shaft
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
CA002106820A
Other languages
English (en)
French (fr)
Other versions
CA2106820A1 (en
Inventor
Meinhard Gusik
Rudolf Kellersohn
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.)
Ticona GmbH
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Publication of CA2106820A1 publication Critical patent/CA2106820A1/en
Application granted granted Critical
Publication of CA2106820C publication Critical patent/CA2106820C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B29C48/395—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
    • B29C48/397—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 a single screw
    • 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
    • B29C48/625—Screws characterised by the ratio of the threaded length of the screw to its outside diameter [L/D ratio]
    • 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
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/535—Screws with thread pitch varying along the longitudinal axis
    • 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
    • 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
    • B29C48/67—Screws having incorporated mixing devices not provided for in groups B29C48/52 - B29C48/66
    • 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
    • B29C48/68—Barrels or cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • B29K2023/0658—PE, i.e. polyethylene characterised by its molecular weight
    • B29K2023/0683—UHMWPE, i.e. ultra high molecular weight polyethylene

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
CA002106820A 1992-10-01 1993-09-23 Process and device for producing extrudates from ultra-high molecular weight polyethylene Expired - Lifetime CA2106820C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4232988A DE4232988A1 (de) 1992-10-01 1992-10-01 Verfahren und Vorrichtung zur Herstellung von Extrudaten aus ultrahochmolekularem Polyethylen
DEP4232988.4 1992-10-01

Publications (2)

Publication Number Publication Date
CA2106820A1 CA2106820A1 (en) 1994-04-02
CA2106820C true CA2106820C (en) 1996-11-12

Family

ID=6469364

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002106820A Expired - Lifetime CA2106820C (en) 1992-10-01 1993-09-23 Process and device for producing extrudates from ultra-high molecular weight polyethylene

Country Status (15)

Country Link
US (1) US5449484A (esLanguage)
EP (1) EP0590507B1 (esLanguage)
JP (1) JPH0790589B2 (esLanguage)
KR (1) KR940008856A (esLanguage)
AT (1) ATE145854T1 (esLanguage)
AU (1) AU664309B2 (esLanguage)
BR (1) BR9303879A (esLanguage)
CA (1) CA2106820C (esLanguage)
DE (2) DE4232988A1 (esLanguage)
DK (1) DK0590507T3 (esLanguage)
ES (1) ES2097412T3 (esLanguage)
PL (1) PL173458B1 (esLanguage)
SG (1) SG44817A1 (esLanguage)
TW (1) TW259749B (esLanguage)
ZA (1) ZA937098B (esLanguage)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0657268B1 (de) * 1993-11-05 1999-05-26 Battenfeld GmbH Verfahren und Vorrichtung zum Spritzgiessen von mehrschichtigen Gegenständen
FI965182A7 (fi) 1996-04-04 1997-10-05 Conenor Oy Menetelmä ja laite puristetun muovituotteen tekemiseksi ja muovituote
US5573331A (en) * 1995-09-08 1996-11-12 Lin; Ping H. Multiple-stage screw for blending materials
US6712495B2 (en) * 2001-11-20 2004-03-30 E. I. Du Pont De Nemours And Company Mixing apparatus
DE10217232B4 (de) * 2002-04-18 2004-08-19 Ticona Gmbh Verfahren zur Herstellung gefüllter Granulate aus Polyethylenen hohen bzw. ultrahohen Molekulargewichts
US7758797B2 (en) * 2006-07-21 2010-07-20 Quadrant Epp Ag Production of UHMWPE sheet materials
US7758796B2 (en) * 2006-07-21 2010-07-20 Quadrant Epp Ag Production of UHMWPE sheet materials
US7736579B2 (en) * 2006-07-21 2010-06-15 Quadrant Epp Ag Production of UHMWPE sheet materials
US7803450B2 (en) * 2006-07-21 2010-09-28 Quadrant Epp Ag Production of UHMWPE sheet materials
WO2013034582A1 (en) * 2011-09-05 2013-03-14 Stichting Dutch Polymer Institute Process for the melt extrusion of ultra high molecular weight polyethylene
KR101332980B1 (ko) * 2011-12-27 2013-11-25 김영수 차상위 초고분자폴리에틸렌의 압출방법
SK6879Y1 (sk) 2013-04-02 2014-09-04 Konstrukta Industry A S Dekompresná závitovka na spracovanie kaučukových zmesí
KR101665531B1 (ko) * 2015-12-18 2016-10-24 홍국선 3d프린터용 익스트루더 및 이를 포함하는 3d프린터
CN110126233A (zh) * 2019-05-05 2019-08-16 北京化工大学 一种高剪切界面倍增器
NL2023518B1 (en) 2019-07-17 2021-02-22 Tekalen Holding Verwaltungs Gmbh A method for continuously manufacturing UHMWPE products
EP3848178B1 (de) * 2020-01-08 2022-03-09 Novoplast Schlauchtechnik GmbH Verfahren zur herstellung von kunststoffschläuchen

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3486192A (en) * 1967-03-24 1969-12-30 Union Carbide Corp Apparatus for extrusion of thermoplastics
US3650652A (en) * 1970-05-05 1972-03-21 Feed Screws Inc Apparatus for extruding plastic material
DE2311946A1 (de) * 1973-03-07 1974-09-19 Siemens Ag Schneckenpresse zur verarbeitung vernetzbarer olefinpolymerisate
DE2346032A1 (de) * 1973-09-10 1975-03-20 Siemens Ag Schneckenpresse mit verbessertem einzugverhalten
JPS57128209A (en) * 1981-01-26 1982-08-09 Toyobo Co Ltd Uniform dispersing method
JPS6153216A (ja) * 1984-08-23 1986-03-17 Rikagaku Kenkyusho 高血圧症予防治療剤
US4733970A (en) * 1985-09-09 1988-03-29 Sterling Extruder Corporation Extruder screw
DE3915603C1 (esLanguage) * 1989-05-12 1990-03-15 Basf Ag, 6700 Ludwigshafen, De
US4994223A (en) * 1989-06-16 1991-02-19 Bomatic, Inc. Extruder screw and method for the extrusion of thermally sensitive thermoplastic materials
FR2669260B1 (fr) * 1990-11-21 1994-07-22 Conditionnement Ind Sa Vis d'extrudeuse pour le polyethylene.
GB9027699D0 (en) * 1990-12-20 1991-02-13 Univ Toronto Process for the continuous production of high modulus articles from polyethylene
TW254883B (esLanguage) * 1991-04-03 1995-08-21 Mitsui Petroleum Chemicals Ind

Also Published As

Publication number Publication date
BR9303879A (pt) 1994-04-12
JPH0790589B2 (ja) 1995-10-04
ZA937098B (en) 1994-07-21
PL173458B1 (pl) 1998-03-31
DE59304662D1 (de) 1997-01-16
DE4232988A1 (de) 1994-04-07
DK0590507T3 (da) 1996-12-23
KR940008856A (ko) 1994-05-16
JPH06198714A (ja) 1994-07-19
ATE145854T1 (de) 1996-12-15
CA2106820A1 (en) 1994-04-02
EP0590507B1 (de) 1996-12-04
ES2097412T3 (es) 1997-04-01
PL300489A1 (en) 1994-04-05
TW259749B (esLanguage) 1995-10-11
AU664309B2 (en) 1995-11-09
US5449484A (en) 1995-09-12
EP0590507A1 (de) 1994-04-06
AU4869393A (en) 1994-04-14
SG44817A1 (en) 1997-12-19

Similar Documents

Publication Publication Date Title
CA2106820C (en) Process and device for producing extrudates from ultra-high molecular weight polyethylene
EP0302621B1 (en) Die design for underwater pelletization of high melt flow rate polymers
US4300839A (en) Self-cleaning type extruder
EP1600276B1 (en) Use of a counter-rotating twin screw extruder for compounding multimodal polymer compositions
KR100627593B1 (ko) 낮은 총괄 밀도를 갖는 폴리카보네이트 재료 압출 방법 및장치
AU2005334397B2 (en) Counter-rotating twin screw extruder
US5863480A (en) Process for making a filler reinforced thermoplastic composites having biaxially oriented components
US6309574B1 (en) Extrusion of high molecular weight polymers
US20050127555A1 (en) Filled granulates consisting of high or ultra-high molecular weight polyethylenes and method for producing said granulates
KR940011143B1 (ko) 압출성형 제품의 제조방법 및 장치
US20200130231A1 (en) Device and method for the extrusion of thermo-mechanically deformable materials in bulk form, and compact screw extruder
EP0278519B1 (en) Process of producing thermoplastic resin sheet and the like and molding screw therefor
EP1419041B1 (en) Mixing and kneading device for polymer compositions
US5063016A (en) Production of hardwearing and shock-resistant extrudates of ultra-high molecular weight polyethylene and apparatus for this purpose
US3486193A (en) Apparatus for extruding thermoplastic material
EP0069271A2 (en) Extruder for plastic resin
CA1102073A (en) High output extruder screw
JPS5881147A (ja) 線状ポリオレフイン材料の押出方法
CA2495717A1 (en) Method in an extrusion process, an extrusion process and an apparatus for an extrusion process
JPH05228920A (ja) スクリュー式混練機
JPH03253322A (ja) ナイロン６樹脂の押出成形方法
SU1109314A2 (ru) Формующа углова головка дл изготовлени изделий из пластмасс
Wiedmann et al. Twin-screw extruders in ceramic extrusion
CA1047721A (en) Adjusting outer polymer layer viscosity by cooling in screw extruder
Stevens et al. Practical extrusion processes and their requirements

Legal Events

Date Code Title Description
EEER Examination request