FR2117685A5 - - Google Patents

Info

Publication number
FR2117685A5
FR2117685A5 FR7144612A FR7144612A FR2117685A5 FR 2117685 A5 FR2117685 A5 FR 2117685A5 FR 7144612 A FR7144612 A FR 7144612A FR 7144612 A FR7144612 A FR 7144612A FR 2117685 A5 FR2117685 A5 FR 2117685A5
Authority
FR
France
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
Application number
FR7144612A
Other languages
French (fr)
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of FR2117685A5 publication Critical patent/FR2117685A5/fr
Expired legal-status Critical Current

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • 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
    • B29B9/08—Making granules by agglomerating smaller particles
    • 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)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
FR7144612A 1970-12-11 1971-12-13 Expired FR2117685A5 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB5901670 1970-12-11
GB3495071A GB1369980A (en) 1970-12-11 1971-07-26 Polytetrafluoroethylene moulding powders

Publications (1)

Publication Number Publication Date
FR2117685A5 true FR2117685A5 (ja) 1972-07-21

Family

ID=26262511

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7144612A Expired FR2117685A5 (ja) 1970-12-11 1971-12-13

Country Status (6)

Country Link
JP (1) JPS5417783B1 (ja)
DE (1) DE2161858C3 (ja)
FR (1) FR2117685A5 (ja)
GB (1) GB1369980A (ja)
IT (1) IT946139B (ja)
NL (1) NL170425C (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2307006A1 (fr) * 1975-04-11 1976-11-05 Du Pont Procede pour preparer des granules agglomeres de polymere de tetrafluoroethylene et d'une charge metallique
FR2307007A1 (fr) * 1975-04-11 1976-11-05 Du Pont Procede pour reduire la perte de charge durant l'agglomeration de polytetrafluoroethylene

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO1999006475A1 (fr) * 1997-08-01 1999-02-11 Daikin Industries, Ltd. Procede de production de poudre de polytetrafluoroethylene granulaire
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2307006A1 (fr) * 1975-04-11 1976-11-05 Du Pont Procede pour preparer des granules agglomeres de polymere de tetrafluoroethylene et d'une charge metallique
FR2307007A1 (fr) * 1975-04-11 1976-11-05 Du Pont Procede pour reduire la perte de charge durant l'agglomeration de polytetrafluoroethylene

Also Published As

Publication number Publication date
NL7116978A (ja) 1972-06-13
DE2161858C3 (de) 1981-02-12
DE2161858B2 (de) 1980-06-04
NL170425C (nl) 1982-11-01
GB1369980A (en) 1974-10-09
NL170425B (nl) 1982-06-01
JPS5417783B1 (ja) 1979-07-03
DE2161858A1 (de) 1972-06-29
IT946139B (it) 1973-05-21

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Legal Events

Date Code Title Description
ST Notification of lapse