IT947765B - Processo per preparare polvere di politetrafluoroetilene - Google Patents

Processo per preparare polvere di politetrafluoroetilene

Info

Publication number
IT947765B
IT947765B IT20839/72A IT2083972A IT947765B IT 947765 B IT947765 B IT 947765B IT 20839/72 A IT20839/72 A IT 20839/72A IT 2083972 A IT2083972 A IT 2083972A IT 947765 B IT947765 B IT 947765B
Authority
IT
Italy
Prior art keywords
polytetral
prepare
fluoroethylene powder
fluoroethylene
powder
Prior art date
Application number
IT20839/72A
Other languages
English (en)
Inventor
R Luke
Original Assignee
Pennwalt Corp
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 Pennwalt Corp filed Critical Pennwalt Corp
Application granted granted Critical
Publication of IT947765B publication Critical patent/IT947765B/it

Links

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
    • C08J3/16—Powdering or granulating by coagulating dispersions
    • 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)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
IT20839/72A 1971-02-23 1972-02-22 Processo per preparare polvere di politetrafluoroetilene IT947765B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11815871A 1971-02-23 1971-02-23

Publications (1)

Publication Number Publication Date
IT947765B true IT947765B (it) 1973-05-30

Family

ID=22376824

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20839/72A IT947765B (it) 1971-02-23 1972-02-22 Processo per preparare polvere di politetrafluoroetilene

Country Status (7)

Country Link
US (1) US3692759A (it)
CA (1) CA943697A (it)
DE (1) DE2208077A1 (it)
FR (1) FR2127658A5 (it)
GB (1) GB1327159A (it)
IT (1) IT947765B (it)
NL (1) NL7202338A (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4276334A (en) * 1974-01-31 1981-06-30 General Company Limited Pressure sensitive recording sheet
US4576869A (en) * 1984-06-18 1986-03-18 E. I. Du Pont De Nemours And Company Tetrafluoroethylene fine powder and preparation thereof
US4917834A (en) * 1988-11-16 1990-04-17 General Technology Applications, Inc. Method for forming homogeneous blends of particulate materials
US5185414A (en) * 1991-01-18 1993-02-09 Ici Americas Inc. Drying temperature independent polytetrafluoroethylene
US5256744A (en) * 1991-01-18 1993-10-26 Ici Americas Inc. Drying temperature independent polytetrafluoroethylene
JP3303408B2 (ja) * 1992-07-09 2002-07-22 ダイキン工業株式会社 含フッ素樹脂複合微粒子
US5543217A (en) * 1995-02-06 1996-08-06 E. I. Du Pont De Nemours And Company Amorphous copolymers of tetrafluoroethylene and hexafluoropropylene
US6720360B1 (en) * 2000-02-01 2004-04-13 3M Innovative Properties Company Ultra-clean fluoropolymers
GB2434152A (en) * 2006-01-16 2007-07-18 Whitford Plastics Ltd Fluoropolymer powdered materials
GB2451097A (en) * 2007-07-17 2009-01-21 Whitford Plastics Ltd Silicon carbide-modified fluoropolymer powders
GB2451096A (en) * 2007-07-17 2009-01-21 Whitford Plastics Ltd Method of preparing a powdered fluoropolymer blend
PL3323853T3 (pl) * 2008-05-30 2019-12-31 Whitford Corporation Zmieszane kompozycje fluoropolimerowe
TW201016800A (en) 2008-09-26 2010-05-01 Whitford Corp Blended fluoropolymer coatings for rigid substrates
EP2342280B1 (en) 2008-09-26 2016-12-14 Whitford Corporation Blended fluoropolymer compositions and coatings for flexible substrates
US20100092759A1 (en) * 2008-10-13 2010-04-15 Hua Fan Fluoropolymer/particulate filled protective sheet

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3464964A (en) * 1966-06-13 1969-09-02 Pennsalt Chemicals Corp Coagulation of polytetrafluoroethylene latex

Also Published As

Publication number Publication date
CA943697A (en) 1974-03-12
GB1327159A (en) 1973-08-15
NL7202338A (it) 1972-08-25
DE2208077A1 (de) 1972-09-07
US3692759A (en) 1972-09-19
FR2127658A5 (it) 1972-10-13

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