ES2087213T3 - Granulos de policarbonato con distribucion uniforme. - Google Patents

Granulos de policarbonato con distribucion uniforme.

Info

Publication number
ES2087213T3
ES2087213T3 ES91120445T ES91120445T ES2087213T3 ES 2087213 T3 ES2087213 T3 ES 2087213T3 ES 91120445 T ES91120445 T ES 91120445T ES 91120445 T ES91120445 T ES 91120445T ES 2087213 T3 ES2087213 T3 ES 2087213T3
Authority
ES
Spain
Prior art keywords
pills
microns
polycarbonate
retained
particles
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
ES91120445T
Other languages
English (en)
Inventor
Richard Odett Kirk
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.)
Dow Chemical Co
Original Assignee
Dow Chemical 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 Dow Chemical Co filed Critical Dow Chemical Co
Application granted granted Critical
Publication of ES2087213T3 publication Critical patent/ES2087213T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • 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
    • B29B9/12—Making granules characterised by structure or composition
    • 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
    • B29B9/00—Making granules
    • B29B9/12—Making granules characterised by structure or composition
    • B29B2009/125—Micropellets, microgranules, microparticles
    • 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
    • B29K2069/00—Use of PC, i.e. polycarbonates or derivatives thereof, as moulding material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

PILDORAS DE POLICARBONATO CUYAS CARACTERISTICAS SON QUE (A) LA MEDIA DEL TAMAÑO DE LAS PARTICULAS DE DICHAS PILDORAS ES ENTRE 250 Y 1.000 MICRONES; (B) EL TAMAÑO DE LAS PARTICULAS DE DISPERSION DE DICHAS PILDORAS ES MENOS DE 100 MICRONES: Y (C) EL SESGO DE DISTRIBUCION DE LAS PARTICULAS ES DE MENOS DE 0.25: CADA UNA DOSIFICADA SEGUN DENOMINACION DE ASTM D 1.921-63(AMERICAN SOCIETY FOR TESTING MATERIALS=SOCIEDAD AMERICANA DE PRUEBA DE MATERIALES). DICHAS PILDORAS SON ASI MISMO CARACTERIZADAS POR QUE: (A) CUANDO LAS MENCIONADAS PILDORAS DE POLICARBONATO SE AGITAN EN UN FILTRO CUYA MALLA POSEE UNA ABERTURA DE 850 MICRONES Y CUANDO LAS PILDORAS NO RETENIDAS EN DICHO FILTRO DE 850 MICRONES SON FILTRADAS EN OTRO TAMIZ CUYA MALLA ES DE 750 MICRONES, LA CANTIDAD DE DICHAS PILDORAS RETENIDAS EN UNO U OTRO FILTRO, ES MAS DEL 85% DE SU PESO; Y (B) NINGUNA DE ESAS PILDORAS QUEDAN RETENIDAS CUANDO SE PASAN POR UN TAMIS CUYA APERTURA DE MALLA ES DE 1.500 MICRONES O MAS. DICHAS PILDORAS SE PREPARAN DESMENUZANDO EL POLICARBONATO MOLIDO SEGUN SE VA DESPRENDIENDO DEL BLOQUE, CON PREFERENCIA EXTRAYENDO EL POLICARBONATO DIRECTAMENTE DEL BLOQUE. LAS PILDORAS DE POLICARBONATO ASI PREPARADAS SON DE MAS FACIL PROCESADO Y MANEJO QUE AQUELLAS QUE DETENTAN UN TAMAÑO MEDI MAYOR, MAS DISPERSION Y/O MAYOR SESGO DE DISTRIBUCION.
ES91120445T 1990-12-03 1991-11-28 Granulos de policarbonato con distribucion uniforme. Expired - Lifetime ES2087213T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/621,705 US5187256A (en) 1990-12-03 1990-12-03 Uniform distribution polycarbonate pellet

Publications (1)

Publication Number Publication Date
ES2087213T3 true ES2087213T3 (es) 1996-07-16

Family

ID=24491286

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91120445T Expired - Lifetime ES2087213T3 (es) 1990-12-03 1991-11-28 Granulos de policarbonato con distribucion uniforme.

Country Status (8)

Country Link
US (2) US5187256A (es)
EP (1) EP0489361B1 (es)
JP (1) JP3407745B2 (es)
KR (1) KR920012165A (es)
BR (1) BR9105174A (es)
CA (1) CA2056796A1 (es)
DE (1) DE69119876T2 (es)
ES (1) ES2087213T3 (es)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5187256A (en) * 1990-12-03 1993-02-16 The Dow Chemical Company Uniform distribution polycarbonate pellet
WO1994026809A1 (en) * 1993-05-19 1994-11-24 Teijin Limited Film for metal lamination
GB9409193D0 (en) * 1994-05-06 1994-06-29 Craine Kenneth Plastics particles
WO1996026241A2 (en) * 1995-02-14 1996-08-29 The Dow Chemical Company Polymer pellets, process for their preparation and moulded articles obtained therefrom
ES2230579T3 (es) * 1997-07-15 2005-05-01 Asahi Kasei Chemicals Corporation Metodo para producir un granulo de policarbonato.
JPH11342510A (ja) * 1998-04-03 1999-12-14 Teijin Chem Ltd 光学用成形材料
DE19815717C2 (de) * 1998-04-08 2000-07-27 Bayer Ag Vakuolenfreie Polymergranulate
GB9827432D0 (en) * 1998-12-11 1999-02-03 Borealis As Method
US6894109B1 (en) 1998-12-11 2005-05-17 Borealis Technology Oy Method of producing pelletized polyolefin
AU5003700A (en) * 1999-05-12 2000-11-21 International Marketing, Inc. Composition for equalizing radial and lateral force variations at the tire/road footprint of a pneumatic tire
JP4653288B2 (ja) * 2000-07-07 2011-03-16 帝人化成株式会社 回転成形体の製造方法
US6833427B2 (en) 2001-05-18 2004-12-21 Teijin Chemicals, Ltd. Polycarbonate resin molding material for optical use
US7297381B2 (en) * 2005-05-20 2007-11-20 General Electric Company Light diffusing films, methods of making the same, and articles using the same
JP2007014714A (ja) * 2005-07-06 2007-01-25 Nan-Hee Lee 衛生的な一体型匙と箸
JP5552308B2 (ja) * 2009-12-16 2014-07-16 積水化成品工業株式会社 熱可塑性樹脂粒子の製造装置および製造方法
WO2011129955A1 (en) 2010-04-14 2011-10-20 Univation Technologies, Llc Apparatus and methods for separating particulates from a liquid

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3954713A (en) * 1971-10-02 1976-05-04 Bayer Aktiengesellschaft Polycarbonate powder
US4074864A (en) * 1974-10-05 1978-02-21 Idemitsu Kosan Co., Ltd. Method for producing polycarbonate powder from a polycarbonate solution
US4184911A (en) * 1977-06-13 1980-01-22 Mitsubishi Gas Chemical Company Process for producing powdery polycarbonate from a polycarbonate solution
IT1094859B (it) * 1978-05-29 1985-08-10 Montedison Spa Processo per l'ottenimento di policarbonato granulare
US4568418A (en) * 1981-08-12 1986-02-04 The Dow Chemical Company Process for converting polymer solutions into granules
DE3421647A1 (de) * 1984-06-09 1985-12-12 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von polycarbonat-spritzgussformkoerpern
JPS6127209A (ja) * 1984-07-19 1986-02-06 Mitsubishi Chem Ind Ltd ポリカ−ボネ−ト樹脂粒状体の製造法
JPS6128529A (ja) * 1984-07-19 1986-02-08 Mitsubishi Chem Ind Ltd 成形用ポリカ−ボネ−ト樹脂粒状体
JPS61250026A (ja) * 1985-04-27 1986-11-07 Mitsubishi Gas Chem Co Inc ビ−ズ状ポリカ−ボネ−ト固形粒子の水スラリ−液の製造法
JPH0688251B2 (ja) * 1986-01-08 1994-11-09 三菱瓦斯化学株式会社 ポリカーボネート樹脂ペレットおよびその製法
JPS62169605A (ja) * 1986-01-22 1987-07-25 Teijin Chem Ltd ポリカ−ボネ−トの造粒方法
JPH0618890B2 (ja) * 1986-06-23 1994-03-16 三菱化成株式会社 ポリカ−ポネ−ト成形材料
JPH0725873B2 (ja) * 1987-03-09 1995-03-22 帝人化成株式会社 ポリカ−ボネ−ト粉粒体の精製方法
DE8803364U1 (de) * 1988-03-12 1988-05-05 Bloch, Klaus, 5205 St Augustin Strahlmittel aus thermoplastischem Kunststoff
JPH01234212A (ja) * 1988-03-14 1989-09-19 Mitsubishi Yuka Badische Co Ltd 熱可塑性樹脂微細粒子の製造方法
US5187256A (en) * 1990-12-03 1993-02-16 The Dow Chemical Company Uniform distribution polycarbonate pellet

Also Published As

Publication number Publication date
CA2056796A1 (en) 1992-06-04
US5187256A (en) 1993-02-16
EP0489361A2 (en) 1992-06-10
AU650696B2 (en) 1994-06-30
JPH04292628A (ja) 1992-10-16
AU8834391A (en) 1992-06-04
KR920012165A (ko) 1992-07-25
DE69119876T2 (de) 1996-10-02
EP0489361A3 (en) 1992-09-30
DE69119876D1 (de) 1996-07-04
JP3407745B2 (ja) 2003-05-19
EP0489361B1 (en) 1996-05-29
US5414056A (en) 1995-05-09
BR9105174A (pt) 1992-08-18

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