CN1074775C - 改性聚四氟乙烯非散粒状塑粉料 - Google Patents

改性聚四氟乙烯非散粒状塑粉料 Download PDF

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Publication number
CN1074775C
CN1074775C CN96121585A CN96121585A CN1074775C CN 1074775 C CN1074775 C CN 1074775C CN 96121585 A CN96121585 A CN 96121585A CN 96121585 A CN96121585 A CN 96121585A CN 1074775 C CN1074775 C CN 1074775C
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CN
China
Prior art keywords
molding powder
powder machine
weight
technology
polymkeric substance
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
CN96121585A
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English (en)
Chinese (zh)
Other versions
CN1163281A (zh
Inventor
G·洛尔
K·欣泽
R·A·萨尔兹巴赫
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.)
Dyneon GmbH
Original Assignee
Dyneon GmbH
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 Dyneon GmbH filed Critical Dyneon GmbH
Publication of CN1163281A publication Critical patent/CN1163281A/zh
Application granted granted Critical
Publication of CN1074775C publication Critical patent/CN1074775C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C08J3/16—Powdering or granulating by coagulating dispersions
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08L27/18—Homopolymers or copolymers or tetrafluoroethene
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • 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
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
    • B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/25—Solid
    • B29K2105/251—Particles, powder or granules
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Polymerisation Methods In General (AREA)
  • Materials For Medical Uses (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
CN96121585A 1995-12-21 1996-12-20 改性聚四氟乙烯非散粒状塑粉料 Expired - Fee Related CN1074775C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19547907.6 1995-12-21
DE19547907A DE19547907A1 (de) 1995-12-21 1995-12-21 Nichtrieselfähige Formpulver aus modifizierten Polytetrafluorethylenen

Publications (2)

Publication Number Publication Date
CN1163281A CN1163281A (zh) 1997-10-29
CN1074775C true CN1074775C (zh) 2001-11-14

Family

ID=7780863

Family Applications (1)

Application Number Title Priority Date Filing Date
CN96121585A Expired - Fee Related CN1074775C (zh) 1995-12-21 1996-12-20 改性聚四氟乙烯非散粒状塑粉料

Country Status (11)

Country Link
US (2) US6489419B1 (enExample)
EP (1) EP0784069B1 (enExample)
JP (1) JPH09202815A (enExample)
CN (1) CN1074775C (enExample)
AT (1) ATE247145T1 (enExample)
AU (1) AU7547596A (enExample)
CA (1) CA2193607C (enExample)
DE (2) DE19547907A1 (enExample)
NO (1) NO965499L (enExample)
RU (1) RU2179562C2 (enExample)
TR (1) TR199601033A2 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3666210B2 (ja) * 1997-07-24 2005-06-29 旭硝子株式会社 ポリテトラフルオロエチレン造粒粉末の製造法
US6911489B2 (en) * 2002-06-10 2005-06-28 Asahi Glass Fluoropolymers Usa, Inc. Methods for preparing agglomerated pellets of polytetrafluoroethylene and molded articles and the agglomerated pellets of polytetrafluoroethylene and molded articles prepared thereby
US20040040473A1 (en) * 2002-09-03 2004-03-04 Jose Walter Compositions for use in making models
KR101231504B1 (ko) * 2005-03-07 2013-02-07 아사히 가라스 가부시키가이샤 충전재가 들어간 폴리테트라플루오로에틸렌 조립물의 제조방법
US8637144B2 (en) * 2007-10-04 2014-01-28 W. L. Gore & Associates, Inc. Expandable TFE copolymers, method of making, and porous, expended articles thereof
CN104968687A (zh) * 2013-02-05 2015-10-07 旭硝子株式会社 聚四氟乙烯模塑粉的制造方法及聚四氟乙烯造粒物的制造方法
CN105061660B (zh) * 2015-08-05 2018-08-24 上海三爱富新材料科技有限公司 可熔性聚四氟乙烯的制造方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0649863A1 (de) * 1993-10-20 1995-04-26 Hoechst Aktiengesellschaft Herstellung eines modifizierten Polytetrafluorethylens und seine Verwendung

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3366615A (en) 1964-09-16 1968-01-30 Allied Chem Method for agglomerating granular polytetrafluoroethylene
GB1116210A (en) * 1966-05-25 1968-06-06 Du Pont Granular tetrafluoroethylene copolymer molding powders
US3690569A (en) * 1970-09-24 1972-09-12 Du Pont Granular polytetrafluoroethylene of good moldability and apparent bulk density
JPS5032098B2 (enExample) * 1972-08-09 1975-10-17
US3855191A (en) * 1973-04-04 1974-12-17 Du Pont Polytetrafluoroethylene molding powders of tetrafluoroethylene and perfluoro (alkyl vinyl ether) copolymer
US4143110A (en) * 1977-07-08 1979-03-06 Asahi Glass Company Ltd. Method of agglomerating polytetrafluoroethylene powder
DE2744244C3 (de) * 1977-10-01 1981-01-08 Hoechst Ag, 6000 Frankfurt Thermisch vorbehandeltes, aus der Schmelze nicht verarbeitbares, mit einem perfluorierten Monomeren modifiziertes Tetrafluoräthylen-Polymerisatpulver und Verfahren zur Herstellung von Pulvern von aus der Schmelze nicht verarbeitbaren Tetrafluoräthylen-Polymerisaten mit hohem Schüttgewicht und guter Rieselfähigkeit
US4241137A (en) * 1977-11-22 1980-12-23 Daikin Kogyo Co., Ltd. Process for preparing polytetrafluoroethylene granular powder
DE3110193A1 (de) * 1980-06-06 1982-09-30 Hoechst Ag, 6000 Frankfurt "verbessertes verfahren zur herstellung von modifiziertem tetrafluorethylen-polymerisatpulver mit hohem schuettgewicht und guter rieselfaehigkeit"
JPS6021694B2 (ja) * 1980-07-08 1985-05-29 ダイキン工業株式会社 フイラ−入りポリテトラフルオロエチレン成形粉末の製造方法
DE3135598A1 (de) * 1981-09-09 1983-03-17 Hoechst Ag, 6000 Frankfurt "kontinuierliches verfahren zur agglomerierung von ptee-pulvern im fluessigen medium und damit gewonnenes modifiziertes ptee-pulver"
US4714756A (en) * 1985-10-23 1987-12-22 E. I. Du Pont De Nemours And Company Process for preparing melt processible tetrafluoroethylene copolymer granules
US4948844A (en) * 1988-04-16 1990-08-14 Tokuyama Soda Kabushiki Kaisha Process for preparation of perfluorinated copolymer
DK161743C (da) * 1989-07-03 1992-02-17 Niro Atomizer As Fremgangsmaade og apparat til agglomerering af et pulverformigt materiale
JPH03259926A (ja) * 1990-03-08 1991-11-20 Daikin Ind Ltd ポリテトラフルオロエチレン粒状粉末の製法
US5182119A (en) * 1991-04-18 1993-01-26 Ici Americas, Inc. Apparatus for production of free flowing polytetrafluoroethylene (PTFE) molding pellets
DE4308368C2 (de) * 1993-03-16 1997-05-22 Gore & Ass Poröses Polytetrafluorethylen (PTFE) sowie ein Verfahren zu seiner Herstellung

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0649863A1 (de) * 1993-10-20 1995-04-26 Hoechst Aktiengesellschaft Herstellung eines modifizierten Polytetrafluorethylens und seine Verwendung
US5530078A (en) * 1993-10-20 1996-06-25 Hoechst Aktiengesellschaft Preparation of a modified polytetrafluoroethylene and use thereof

Also Published As

Publication number Publication date
CN1163281A (zh) 1997-10-29
NO965499L (no) 1997-06-23
CA2193607C (en) 2005-05-03
ATE247145T1 (de) 2003-08-15
AU7547596A (en) 1997-06-26
TR199601033A2 (tr) 1997-07-21
DE59610657D1 (de) 2003-09-18
EP0784069A2 (de) 1997-07-16
DE19547907A1 (de) 1997-06-26
JPH09202815A (ja) 1997-08-05
EP0784069B1 (de) 2003-08-13
CA2193607A1 (en) 1997-06-22
NO965499D0 (no) 1996-12-20
US6099774A (en) 2000-08-08
EP0784069A3 (de) 1998-01-07
RU2179562C2 (ru) 2002-02-20
US6489419B1 (en) 2002-12-03

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Granted publication date: 20011114

Termination date: 20151220

EXPY Termination of patent right or utility model