MX9504457A - Polvo de flujo libre para moldeo que comprende politetrafluoroetileno. - Google Patents

Polvo de flujo libre para moldeo que comprende politetrafluoroetileno.

Info

Publication number
MX9504457A
MX9504457A MX9504457A MX9504457A MX9504457A MX 9504457 A MX9504457 A MX 9504457A MX 9504457 A MX9504457 A MX 9504457A MX 9504457 A MX9504457 A MX 9504457A MX 9504457 A MX9504457 A MX 9504457A
Authority
MX
Mexico
Prior art keywords
polytetrafluoroethylene
free flow
moulding
flow powder
powder
Prior art date
Application number
MX9504457A
Other languages
English (en)
Inventor
Tilman Zipplies
Original Assignee
Hoechst Ag
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 Hoechst Ag filed Critical Hoechst Ag
Publication of MX9504457A publication Critical patent/MX9504457A/es

Links

Classifications

    • 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
    • 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
    • C08J3/124—Treatment for improving the free-flowing characteristics
    • 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
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/013—Fillers, pigments or reinforcing additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/32—Compounds containing nitrogen bound to oxygen
    • 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

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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

Polvos de flujo libre para moldeo que comprende politetrafluoroetileno se obtienen si un polvo finamente dividido que no es de flujo libre de un politetrafluoroetileno opcionalmente modificado es aglomerado en un medio acuoso que contiene un oxido de trialquilamina y los aglomerados se secan.
MX9504457A 1994-10-21 1995-10-20 Polvo de flujo libre para moldeo que comprende politetrafluoroetileno. MX9504457A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4437685A DE4437685A1 (de) 1994-10-21 1994-10-21 Rieselfähige Polytetrafluorethylen-Formpulver

Publications (1)

Publication Number Publication Date
MX9504457A true MX9504457A (es) 1997-01-31

Family

ID=6531385

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9504457A MX9504457A (es) 1994-10-21 1995-10-20 Polvo de flujo libre para moldeo que comprende politetrafluoroetileno.

Country Status (10)

Country Link
US (1) US6100318A (es)
EP (1) EP0708131B1 (es)
JP (1) JPH08208929A (es)
KR (1) KR960014235A (es)
CA (1) CA2158528A1 (es)
DE (2) DE4437685A1 (es)
MX (1) MX9504457A (es)
PL (1) PL183363B1 (es)
RU (1) RU2159781C2 (es)
ZA (1) ZA958880B (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3210936B2 (ja) 1995-09-18 2001-09-25 ダイキン工業株式会社 フィラー入りポリテトラフルオロエチレン粒状粉末およびその製法
DE69630459T2 (de) * 1995-11-09 2004-06-24 Daikin Industries, Ltd. Granuliertes formpulver aus polytetrafluoroethylen und verfahren zum herstellung desselben
JP3718955B2 (ja) 1997-04-22 2005-11-24 ダイキン工業株式会社 フィラー入りポリテトラフルオロエチレン粒状粉末およびその製法
JP3774985B2 (ja) * 1997-04-24 2006-05-17 ダイキン工業株式会社 ポリテトラフルオロエチレン粒状粉末およびその製法
KR20010021602A (ko) * 1997-09-08 2001-03-15 이노우에 노리유끼 저대전성 폴리테트라플루오로에틸렌 입상분말 및 그 제법
JP2001309398A (ja) * 2000-04-18 2001-11-02 Sony Corp 画像表示装置及び画像表示装置の地磁気による画像の傾き補正方法
JP4545956B2 (ja) * 2001-01-12 2010-09-15 ローム株式会社 半導体装置、およびその製造方法
US20060025504A1 (en) * 2004-07-29 2006-02-02 Oriani Steven R Process aid for melt processable polymers that contain hindered amine light stabilizer
EP2335119B1 (en) * 2008-10-07 2017-06-07 Hewlett-Packard Development Company, L.P. Treated fluoropolymer particles, methods of making treated fluoropolymer particles, toner compositions, and methods of making toner compositions

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3265679A (en) * 1963-09-19 1966-08-09 Pennsalt Chemicals Corp Chemical product and method for its manufacture
US3882217A (en) * 1970-12-11 1975-05-06 Ici Ltd Method for the production of free-flowing polytetrafluoroethylene molding powders
DE3941368A1 (de) * 1989-12-15 1991-06-20 Hoechst Ag Verfahren zur herstellung eines agglomerierten formpulvers aus polytetrafluorethylen und hydrophoben fuellstoffen
DE4124134A1 (de) * 1991-07-20 1993-01-21 Hoechst Ag Konzentrierte, waessrige dispersionen von tetrafluorethylen-polymeren, verfahren zu deren herstellung und deren verwendung

Also Published As

Publication number Publication date
PL183363B1 (pl) 2002-06-28
US6100318A (en) 2000-08-08
PL311054A1 (en) 1996-04-29
DE4437685A1 (de) 1996-04-25
ZA958880B (en) 1996-05-09
DE59501535D1 (de) 1998-04-09
EP0708131A1 (de) 1996-04-24
JPH08208929A (ja) 1996-08-13
CA2158528A1 (en) 1996-04-22
EP0708131B1 (de) 1998-03-04
KR960014235A (ko) 1996-05-22
RU2159781C2 (ru) 2000-11-27

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