DE69018890T2 - Verfahren zum Herstellen eines geformten Artikels aus Polycarbonat mit niedrigem Staubgehalt. - Google Patents

Verfahren zum Herstellen eines geformten Artikels aus Polycarbonat mit niedrigem Staubgehalt.

Info

Publication number
DE69018890T2
DE69018890T2 DE69018890T DE69018890T DE69018890T2 DE 69018890 T2 DE69018890 T2 DE 69018890T2 DE 69018890 T DE69018890 T DE 69018890T DE 69018890 T DE69018890 T DE 69018890T DE 69018890 T2 DE69018890 T2 DE 69018890T2
Authority
DE
Germany
Prior art keywords
producing
molded article
low carbon
polycarbonate
carbon polycarbonate
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
DE69018890T
Other languages
English (en)
Other versions
DE69018890D1 (de
Inventor
Toshikazu Umemura
Makoto Matsumura
Toshiaki Izumida
Kazuyuki Akahori
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.)
Mitsubishi Gas Chemical Co Inc
Original Assignee
Mitsubishi Gas Chemical Co 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 Mitsubishi Gas Chemical Co Inc filed Critical Mitsubishi Gas Chemical Co Inc
Application granted granted Critical
Publication of DE69018890D1 publication Critical patent/DE69018890D1/de
Publication of DE69018890T2 publication Critical patent/DE69018890T2/de
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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/58—Details
    • B29C45/62—Barrels or cylinders
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/58—Details
    • B29C45/60—Screws
    • 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
    • B29C48/507—Screws characterised by the material or their manufacturing process
    • B29C48/509—Materials, coating or lining therefor
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
DE69018890T 1989-07-25 1990-07-25 Verfahren zum Herstellen eines geformten Artikels aus Polycarbonat mit niedrigem Staubgehalt. Expired - Lifetime DE69018890T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1192368A JP2844697B2 (ja) 1989-07-25 1989-07-25 低ダストポリカーボネート成形品の製造法

Publications (2)

Publication Number Publication Date
DE69018890D1 DE69018890D1 (de) 1995-06-01
DE69018890T2 true DE69018890T2 (de) 1995-10-12

Family

ID=16290124

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69018890T Expired - Lifetime DE69018890T2 (de) 1989-07-25 1990-07-25 Verfahren zum Herstellen eines geformten Artikels aus Polycarbonat mit niedrigem Staubgehalt.

Country Status (4)

Country Link
US (1) US5073313A (de)
EP (1) EP0410425B1 (de)
JP (1) JP2844697B2 (de)
DE (1) DE69018890T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3224029B2 (ja) * 1990-06-13 2001-10-29 三菱瓦斯化学株式会社 ハロゲン化ポリカーボネート成形品の製造法
JP3032587B2 (ja) * 1990-12-28 2000-04-17 ティーディーケイ株式会社 光ディスクの製造方法
US5160690A (en) * 1991-11-15 1992-11-03 Xaloy Incorporated Process for using a high pressure injection molding cylinder
EP0652101A1 (de) * 1993-11-04 1995-05-10 Xaloy, Inc. Hohlzylindern für Spritzgiessen oder für Strangpressen von Thermoplasten und Legierungszusammensetzungen für diese Gegenstände
US6187229B1 (en) 1995-11-10 2001-02-13 Nissei Plastic Industrial Co., Ltd. Process for injection molding information recording disks
JP3439366B2 (ja) * 1999-04-09 2003-08-25 日本クラウンコルク株式会社 射出成形における材料焼け防止方法
US6639020B1 (en) 1999-09-03 2003-10-28 Exxon Mobil Chemical Patents Inc. Plasticized polypropylene thermoplastics
DE10048796A1 (de) * 2000-10-02 2002-04-18 Bayer Ag Lichtleiter
KR20020026649A (ko) * 2000-10-02 2002-04-12 이형도 냉각팬 장치
DE10054935A1 (de) * 2000-11-06 2002-05-08 Bayer Ag Lichtleiter
KR20020039076A (ko) * 2000-11-20 2002-05-25 이형도 냉각팬 장치
TWI239286B (en) * 2003-07-24 2005-09-11 Fuji Photo Film Co Ltd Process for the production of substrate for optical disk
CN1591058A (zh) * 2003-09-02 2005-03-09 三菱工程塑料株式会社 芳香族聚碳酸酯树脂粒料、导光板及其制造方法、面光源体
JP5879124B2 (ja) 2011-12-28 2016-03-08 出光興産株式会社 ポリカーボネート樹脂組成物ペレットの製造方法
US8889052B2 (en) * 2012-01-13 2014-11-18 Gentex Optics, Inc. Uncoated, corrosion resistant resin delivery system
US8968875B2 (en) 2012-03-21 2015-03-03 Larry Takiff Eyewear including nitrophenyl functionalized boron pyrromethene dye for neutralizing laser threat
US20130249137A1 (en) * 2012-03-21 2013-09-26 Revision Military, Ltd. Solvent application of boron pyrromethene dye to polymer prior to injection molding

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59121126A (ja) * 1982-12-27 1984-07-13 Canon Inc 光学素子成形用型
JPS6034821A (ja) * 1983-08-08 1985-02-22 Toshiba Corp 射出成形機
JPS61143547A (ja) * 1984-12-13 1986-07-01 Kobe Steel Ltd プラスチツク成形装置用シリンダ
US4898529A (en) * 1987-08-11 1990-02-06 Hoechst Aktiengesellschaft Apparatus for molding magneto-optic substrates
DE3734328C2 (de) * 1987-10-10 1995-04-20 Reifenhaeuser Masch Beschichtungsverfahren für eine Kunststoff-Schneckenstrangpresse
JPH0649320B2 (ja) * 1988-01-29 1994-06-29 三菱瓦斯化学株式会社 光学用ポリカーボネート樹脂成形材料の製造法

Also Published As

Publication number Publication date
US5073313A (en) 1991-12-17
EP0410425B1 (de) 1995-04-26
JPH0357615A (ja) 1991-03-13
DE69018890D1 (de) 1995-06-01
EP0410425A2 (de) 1991-01-30
EP0410425A3 (en) 1991-08-07
JP2844697B2 (ja) 1999-01-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition