MXPA94008526A - Proceso de moldeo para polipropileno sindiotactico. - Google Patents

Proceso de moldeo para polipropileno sindiotactico.

Info

Publication number
MXPA94008526A
MXPA94008526A MXPA94008526A MX9408526A MXPA94008526A MX PA94008526 A MXPA94008526 A MX PA94008526A MX PA94008526 A MXPA94008526 A MX PA94008526A MX 9408526 A MX9408526 A MX 9408526A MX PA94008526 A MXPA94008526 A MX PA94008526A
Authority
MX
Mexico
Prior art keywords
syndiotactic polypropylene
mold process
less
melt
achieve
Prior art date
Application number
MXPA94008526A
Other languages
English (en)
Inventor
Mcguire Shel
Original Assignee
Becton Dickinson Co
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 Becton Dickinson Co filed Critical Becton Dickinson Co
Publication of MXPA94008526A publication Critical patent/MXPA94008526A/es

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
    • B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)

Abstract

Se presenta un proceso de moldeo para polipropileno sindiotactico que incluye mantener la vaciada en una temperatura de proceso de aproximadamente de 20 degree C hasta aproximadamente 77 degree C para alcanzar un tiempo de ciclo de menos de 150 segundos y un valor de opacidad para un articulo de 2mm de espesor de menos de 38%.
MXPA94008526A 1993-11-04 1994-11-03 Proceso de moldeo para polipropileno sindiotactico. MXPA94008526A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/145,560 US5510075A (en) 1993-11-04 1993-11-04 Mold process for syndiotactic polypropylene

Publications (1)

Publication Number Publication Date
MXPA94008526A true MXPA94008526A (es) 2004-09-10

Family

ID=22513652

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA94008526A MXPA94008526A (es) 1993-11-04 1994-11-03 Proceso de moldeo para polipropileno sindiotactico.

Country Status (9)

Country Link
US (1) US5510075A (es)
EP (1) EP0652094B1 (es)
JP (1) JP2601635B2 (es)
BR (1) BR9404324A (es)
CA (1) CA2135013C (es)
DE (1) DE69428564T2 (es)
ES (1) ES2165376T3 (es)
MX (1) MXPA94008526A (es)
SG (1) SG89226A1 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2977595B2 (ja) * 1989-11-20 1999-11-15 三井化学株式会社 シンジオタクチックポリプロピレン成形体およびその製造方法
CA2120315C (en) * 1993-04-30 2001-05-15 Joel L. Williams Medical articles and process therefor
EP1026199A1 (en) * 1999-02-03 2000-08-09 Fina Research S.A. Polyolefins and uses thereof
DE10224296A1 (de) * 2002-05-31 2003-12-11 Behr Gmbh & Co Verfahren zur Herstellung eines Wärmetauscherkastens

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA632126A (en) * 1961-12-05 Bosoni Achille Method of molding amorphous-crystalline polymers and articles molded therefrom
EP0068714B1 (en) * 1981-06-25 1985-10-30 BP Chemicals Limited Thermal-forming processes
US4593062A (en) * 1984-12-10 1986-06-03 Exxon Research & Engineering Co. Dynamically cured thermoplastic olefin polymers
US4892851A (en) * 1988-07-15 1990-01-09 Fina Technology, Inc. Process and catalyst for producing syndiotactic polyolefins
EP0466926B1 (en) * 1989-04-11 1995-02-22 MITSUI TOATSU CHEMICALS, Inc. Syndiotactic polypropylene molding and method of producing the same
JP3058650B2 (ja) * 1989-04-11 2000-07-04 三井化学株式会社 シンジオタクチックポリプロピレン成形体およびその製造方法
JP2977595B2 (ja) * 1989-11-20 1999-11-15 三井化学株式会社 シンジオタクチックポリプロピレン成形体およびその製造方法
US5200131A (en) * 1990-04-09 1993-04-06 Mitsui Toatsu Chemicals, Inc. Method for molding syndiotactic polypropylene
US5124404A (en) * 1990-08-21 1992-06-23 Great Lakes Chemical Corp. Flame retardant polypropylene molding compositions
US5149484A (en) * 1990-12-11 1992-09-22 Union Carbide Chemicals & Plastics Technology Corporation Process for injection molding
JP3113013B2 (ja) * 1991-11-13 2000-11-27 三井化学株式会社 シンジオタクチックポリプロピレンの成形方法
CA2120315C (en) * 1993-04-30 2001-05-15 Joel L. Williams Medical articles and process therefor
JP3270203B2 (ja) * 1993-06-22 2002-04-02 旭電化工業株式会社 シンジオタクチックポリプロピレン組成物
JPH07171869A (ja) * 1993-10-28 1995-07-11 Mitsui Toatsu Chem Inc ポリプロピレン系樹脂組成物の射出成形方法およびそれによって得られた成形体
JPH07126453A (ja) * 1993-11-04 1995-05-16 Mitsui Toatsu Chem Inc シンジオタクチックポリプロピレンの成形加工性の改良方法

Also Published As

Publication number Publication date
EP0652094A3 (en) 1995-06-14
DE69428564D1 (de) 2001-11-15
SG89226A1 (en) 2002-06-18
BR9404324A (pt) 1995-07-04
JPH07266392A (ja) 1995-10-17
US5510075A (en) 1996-04-23
DE69428564T2 (de) 2002-06-27
JP2601635B2 (ja) 1997-04-16
CA2135013C (en) 1998-04-28
ES2165376T3 (es) 2002-03-16
EP0652094A2 (en) 1995-05-10
EP0652094B1 (en) 2001-10-10
CA2135013A1 (en) 1995-05-05

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Legal Events

Date Code Title Description
FA Abandonment or withdrawal