DE3885372D1 - Lochplatte für die Unterwassergranulierung von Kunststoffsträngen mit hoher Schmelzströmungsgeschwindigkeit. - Google Patents

Lochplatte für die Unterwassergranulierung von Kunststoffsträngen mit hoher Schmelzströmungsgeschwindigkeit.

Info

Publication number
DE3885372D1
DE3885372D1 DE88306606T DE3885372T DE3885372D1 DE 3885372 D1 DE3885372 D1 DE 3885372D1 DE 88306606 T DE88306606 T DE 88306606T DE 3885372 T DE3885372 T DE 3885372T DE 3885372 D1 DE3885372 D1 DE 3885372D1
Authority
DE
Germany
Prior art keywords
melt flow
high melt
perforated plate
flow speed
plastic strands
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 - Fee Related
Application number
DE88306606T
Other languages
English (en)
Other versions
DE3885372T2 (de
Inventor
Dwight Theodore Lohkamp
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.)
ExxonMobil Chemical Patents Inc
Original Assignee
Exxon Chemical Patents Inc
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 Exxon Chemical Patents Inc filed Critical Exxon Chemical Patents Inc
Publication of DE3885372D1 publication Critical patent/DE3885372D1/de
Application granted granted Critical
Publication of DE3885372T2 publication Critical patent/DE3885372T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • B29B9/065—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion under-water, e.g. underwater pelletizers
    • 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
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/582—Component parts, details or accessories; Auxiliary operations for discharging, e.g. doors
    • 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
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/72—Measuring, controlling or regulating
    • 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
    • B29C48/04—Particle-shaped
    • 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
    • B29C48/27—Cleaning; Purging; Avoiding contamination
    • B29C48/272—Cleaning; Purging; Avoiding contamination of dies

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)
DE88306606T 1987-08-06 1988-07-19 Lochplatte für die Unterwassergranulierung von Kunststoffsträngen mit hoher Schmelzströmungsgeschwindigkeit. Expired - Fee Related DE3885372T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/082,755 US4822546A (en) 1987-08-06 1987-08-06 Die design for underwater pelletization of high flow rate polymers

Publications (2)

Publication Number Publication Date
DE3885372D1 true DE3885372D1 (de) 1993-12-09
DE3885372T2 DE3885372T2 (de) 1994-03-10

Family

ID=22173239

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88306606T Expired - Fee Related DE3885372T2 (de) 1987-08-06 1988-07-19 Lochplatte für die Unterwassergranulierung von Kunststoffsträngen mit hoher Schmelzströmungsgeschwindigkeit.

Country Status (7)

Country Link
US (1) US4822546A (de)
EP (1) EP0302621B1 (de)
JP (1) JP2676228B2 (de)
AT (1) ATE96723T1 (de)
AU (1) AU612677B2 (de)
CA (1) CA1311338C (de)
DE (1) DE3885372T2 (de)

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US5304055A (en) 1991-11-27 1994-04-19 Nabisco, Inc. Apparatus and methods for the production of three-dimensional food products
JP3174840B2 (ja) * 1992-03-31 2001-06-11 日本ジーイープラスチックス株式会社 プラスチック押出機用ダイプレート
GB9317967D0 (en) * 1993-08-28 1993-10-13 Landbrent Ltd Improvements relating to plasics articles
US5458836B1 (en) * 1994-03-11 1998-08-04 Du Pont Polymer extrusion die and use thereof
ATE160719T1 (de) * 1994-08-23 1997-12-15 Danubia Petrochem Polymere Verfahren zur granulierung von polymeren und vorrichtung dazu
FR2788665B1 (fr) * 1999-01-21 2001-05-18 Cpc France Procede de preparation d'un melange en poudre pour preparation d'une pate de patisserie et extrudeuse pour la mise en oeuvre du procede
JP4252180B2 (ja) * 2000-01-17 2009-04-08 株式会社日本製鋼所 アンダーウォータカット方式のプラスチック造粒装置に用いられるダイス
US6976834B2 (en) * 2001-07-09 2005-12-20 Borsig Gmbh Pelletizing die with even heat distribution and with polymer channel to orifice transition zone, process for orifice thermal stabilization and process for forming a pelletizing die with brazing and thin hard face layer
DE10355347A1 (de) * 2003-03-12 2004-09-23 Bühler AG Düse zur Strangbildung für viskoelastische Materialien
DE10310829A1 (de) * 2003-03-13 2004-09-23 Basf Ag Thermoplastgranulate
DE10320075A1 (de) * 2003-05-05 2004-12-02 Bühler AG Düse zur Strangbildung für viskoelastische Materialien (Einlauf-Aufweitung)
US7658874B2 (en) * 2003-07-30 2010-02-09 E.I. Du Pont De Nemours And Company Polymer pelletization process and apparatus
CN100434251C (zh) * 2003-07-30 2008-11-19 纳幕尔杜邦公司 聚合物的造粒方法和设备
US7329723B2 (en) * 2003-09-18 2008-02-12 Eastman Chemical Company Thermal crystallization of polyester pellets in liquid
CA2482056A1 (en) * 2003-10-10 2005-04-10 Eastman Chemical Company Thermal crystallization of a molten polyester polymer in a fluid
US7316557B2 (en) * 2004-05-08 2008-01-08 Good Earth Tools, Inc. Die for extruding material
US20060047102A1 (en) * 2004-09-02 2006-03-02 Stephen Weinhold Spheroidal polyester polymer particles
US7875184B2 (en) * 2005-09-22 2011-01-25 Eastman Chemical Company Crystallized pellet/liquid separator
ITMI20052054A1 (it) * 2005-10-27 2007-04-28 Polimeri Europa Spa Procedimento per il taglio di polimeri termoplastici a valle di una filiera ad anello ad acqua
MY151448A (en) * 2005-11-28 2014-05-30 Gala Inc Apparatus and method for controlled pelletization processing
HUP0800699A2 (en) * 2006-02-02 2009-08-28 Basell Polyolefine Gmbh Blasted resin made by propylene fusion, and pile and non woven products made by it and process for production of these
KR101017714B1 (ko) * 2006-04-27 2011-02-25 신닛뽄세이테쯔 카부시키카이샤 폐플라스틱 성형 방법 및 폐플라스틱 열분해 방법
US7883735B2 (en) * 2006-08-07 2011-02-08 Kellogg Company Apparatus and method for curled extrudate
US8141717B2 (en) * 2006-08-18 2012-03-27 Porex Corporation Sintered polymeric materials and applications thereof
JP4876821B2 (ja) * 2006-09-26 2012-02-15 住友化学株式会社 造粒機のスタート方法
US7955540B2 (en) 2007-01-19 2011-06-07 Exxonmobil Chemical Patents Inc. Extrusion of thermoplastic elastomers
DE102008032422B4 (de) 2008-07-10 2021-03-18 Webasto SE Fahrzeugdach mit einer Antriebseinrichtung für ein bewegbares Dachteil
JP5149318B2 (ja) 2010-02-24 2013-02-20 ペパーレット株式会社 粒状排泄物処理材の押し出し式圧縮造粒装置
WO2011129955A1 (en) 2010-04-14 2011-10-20 Univation Technologies, Llc Apparatus and methods for separating particulates from a liquid
WO2012173812A1 (en) 2011-06-15 2012-12-20 Porex Corporation Sintered porous plastic liquid barrier media and applications thereof
US8530581B2 (en) 2011-12-12 2013-09-10 Exxonmobil Chemical Patents Inc. Powder, compositions thereof, processes for making the same, and articles made therefrom
US11457605B2 (en) 2012-09-11 2022-10-04 Pioneer Pet Products, Llc Extruded self-clumping cat litter
US11602120B2 (en) 2012-09-11 2023-03-14 Pioneer Pet Products, Llc Lightweight coated extruded granular absorbent
US11470811B2 (en) 2012-09-11 2022-10-18 Pioneer Pet Products, Llc Extruded granular absorbent
US9266088B2 (en) 2012-09-11 2016-02-23 Pioneer Pet Products, Llc Method of making extruded self-clumping cat litter
US10028481B2 (en) 2012-09-11 2018-07-24 Pioneer Pet Products, Llc Granular absorbent and system and method for treating or processing granular absorbent during granular absorbent transport
CN106455518B (zh) * 2014-01-25 2021-10-26 先锋宠物用品有限责任公司 骤冷颗粒状吸附剂和制作骤冷颗粒状吸附剂的系统和方法
US11292156B2 (en) * 2014-12-08 2022-04-05 Borealis Ag Process for producing pellets of copolymers of propylene
JP6668839B2 (ja) * 2016-03-11 2020-03-18 日本ポリプロ株式会社 ペレタイザ、及び、これを用いたペレットの製造方法
US10232551B2 (en) * 2016-04-15 2019-03-19 Cc3D Llc Head and system for continuously manufacturing composite hollow structure
US11780939B2 (en) 2019-02-20 2023-10-10 Fina Technology, Inc. Enhanced heat stability polypropylene
JP6863403B2 (ja) * 2019-05-20 2021-04-21 日本ポリプロ株式会社 ペレタイザ、及び、これを用いたペレットの製造方法
MX2022013863A (es) 2020-05-04 2022-11-30 Basf Se Un proceso y un aparato para producir composiciones acuosas de polimeros hidrosolubles.

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE634038A (de) * 1963-04-10
US3287764A (en) * 1965-06-01 1966-11-29 Black Clawson Co Plastic pelletizers
GB1158011A (en) * 1966-03-14 1969-07-09 Thomas Paul Engel Improvements in or relating to apparatus and process for the preparation of Polymeric Materials
US3849241A (en) * 1968-12-23 1974-11-19 Exxon Research Engineering Co Non-woven mats by melt blowing
US3949039A (en) * 1972-04-03 1976-04-06 Japan Steel Works, Ltd. Method for pelletizing synthetic resins having a high melting point
US3981959A (en) * 1973-11-12 1976-09-21 Leesona Corporation Pelletizing method
US4138208A (en) * 1977-02-07 1979-02-06 The Dow Chemical Company Die face cutter
DE2814113C2 (de) * 1978-04-01 1982-09-23 Werner & Pfleiderer, 7000 Stuttgart Vorrichtung zum Granulieren von Kunststoffsträngen
US4347206A (en) * 1980-03-15 1982-08-31 Kling-Tecs, Inc. Method of extruding polypropylene yarn
US4380570A (en) * 1980-04-08 1983-04-19 Schwarz Eckhard C A Apparatus and process for melt-blowing a fiberforming thermoplastic polymer and product produced thereby
JPS57178809A (en) * 1981-04-30 1982-11-04 Du Pont Mitsui Polychem Co Ltd Manufacture of pellet of high-melt index resin
US4461737A (en) * 1983-02-09 1984-07-24 Phillips Petroleum Company Method and apparatus for forming pellets
JPS59152808A (ja) * 1983-02-22 1984-08-31 Kobe Steel Ltd 水中カツト造粒装置のダイス
JPS61195808A (ja) * 1985-02-26 1986-08-30 Japan Styrene Paper Co Ltd 熱可塑性合成樹脂球状粒子の製造法
IT1185629B (it) * 1985-05-31 1987-11-12 Pirelli Cavi Spa Dispositivo granulatore

Also Published As

Publication number Publication date
AU2042988A (en) 1989-02-09
JPS6487213A (en) 1989-03-31
EP0302621B1 (de) 1993-11-03
DE3885372T2 (de) 1994-03-10
JP2676228B2 (ja) 1997-11-12
ATE96723T1 (de) 1993-11-15
CA1311338C (en) 1992-12-15
US4822546A (en) 1989-04-18
EP0302621A1 (de) 1989-02-08
AU612677B2 (en) 1991-07-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee