FR2307007A1 - Procede pour reduire la perte de charge durant l'agglomeration de polytetrafluoroethylene - Google Patents

Procede pour reduire la perte de charge durant l'agglomeration de polytetrafluoroethylene

Info

Publication number
FR2307007A1
FR2307007A1 FR7610504A FR7610504A FR2307007A1 FR 2307007 A1 FR2307007 A1 FR 2307007A1 FR 7610504 A FR7610504 A FR 7610504A FR 7610504 A FR7610504 A FR 7610504A FR 2307007 A1 FR2307007 A1 FR 2307007A1
Authority
FR
France
Prior art keywords
polytetrafluoroethylene
pressure loss
loss during
reducing pressure
during agglomeration
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.)
Granted
Application number
FR7610504A
Other languages
English (en)
French (fr)
Other versions
FR2307007B1 (OSRAM
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of FR2307007A1 publication Critical patent/FR2307007A1/fr
Application granted granted Critical
Publication of FR2307007B1 publication Critical patent/FR2307007B1/fr
Granted 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
    • 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

Landscapes

  • 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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
FR7610504A 1975-04-11 1976-04-09 Procede pour reduire la perte de charge durant l'agglomeration de polytetrafluoroethylene Granted FR2307007A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/567,412 US3980612A (en) 1975-04-11 1975-04-11 Process for reducing filler loss during polytetrafluoroethylene agglomeration

Publications (2)

Publication Number Publication Date
FR2307007A1 true FR2307007A1 (fr) 1976-11-05
FR2307007B1 FR2307007B1 (OSRAM) 1980-05-09

Family

ID=24267043

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7610504A Granted FR2307007A1 (fr) 1975-04-11 1976-04-09 Procede pour reduire la perte de charge durant l'agglomeration de polytetrafluoroethylene

Country Status (5)

Country Link
US (1) US3980612A (OSRAM)
JP (1) JPS51124147A (OSRAM)
DE (1) DE2615670C2 (OSRAM)
FR (1) FR2307007A1 (OSRAM)
GB (1) GB1503235A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2404015A1 (fr) * 1977-09-21 1979-04-20 Du Pont Procede perfectionne de preparation de particules agglomerees de polymere granulaire et tetrafluoroethylene

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53142630A (en) * 1977-05-18 1978-12-12 Sanyo Electric Co Method of manufacturing cadmium electrode for alkaline battery
JPS5618624A (en) * 1979-07-24 1981-02-21 Daikin Ind Ltd Production of filled polytetrafluoroethylene fine powder
DE2949908A1 (de) * 1979-12-12 1981-06-19 Hoechst Ag, 6230 Frankfurt Rieselfaehige sinterpulver mit verbesserten eigenschaften auf basis von tetrafluorethylen-polymeren und verfahren zu deren herstellung
JPS56115326A (en) * 1980-02-18 1981-09-10 Daikin Ind Ltd Preparation of fine polytetrafluoroethylene powder containing filler
US4338181A (en) * 1980-10-31 1982-07-06 Diamond Shamrock Corporation Electrode containing extraction treated particles
GB8306989D0 (en) * 1983-03-14 1983-04-20 Ae Plc Composition of matter
US4647602A (en) * 1985-05-01 1987-03-03 General Electric Company Method of dispersing fluoroplastics in polymeric compositions
JPH09241387A (ja) * 1996-03-05 1997-09-16 Du Pont Mitsui Fluorochem Co Ltd 粒状ポリテトラフルオロエチレン粉末の造粒方法
US20050199323A1 (en) * 2004-03-15 2005-09-15 Nielson Daniel B. Reactive material enhanced munition compositions and projectiles containing same
US8122833B2 (en) * 2005-10-04 2012-02-28 Alliant Techsystems Inc. Reactive material enhanced projectiles and related methods
US7977420B2 (en) * 2000-02-23 2011-07-12 Alliant Techsystems Inc. Reactive material compositions, shot shells including reactive materials, and a method of producing same
US6593410B2 (en) * 2000-02-23 2003-07-15 Alliant Techsystems Inc. High strength reactive materials
USRE45899E1 (en) 2000-02-23 2016-02-23 Orbital Atk, Inc. Low temperature, extrudable, high density reactive materials
FR2867469A1 (fr) 2004-03-15 2005-09-16 Alliant Techsystems Inc Compositions reactives contenant un metal, et leur procede de production
KR101231504B1 (ko) * 2005-03-07 2013-02-07 아사히 가라스 가부시키가이샤 충전재가 들어간 폴리테트라플루오로에틸렌 조립물의 제조방법
CN105945448A (zh) * 2016-05-20 2016-09-21 武汉铁锚焊接材料股份有限公司 一种低碳中锰高硅镍合金型高韧性埋弧焊丝及其使用方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1497865A (fr) * 1965-10-26 1967-10-13 Hoechst Ag Procédé de préparation de poudres améliorées contenant du polytétrafluoréthylène
FR2117683A5 (OSRAM) * 1970-12-11 1972-07-21 Ici Ltd
FR2117685A5 (OSRAM) * 1970-12-11 1972-07-21 Ici Ltd
US3766133A (en) * 1963-09-09 1973-10-16 Du Pont Polytetrafluoroethylene filled and unfilled molding powders and theirpreparation
US3781258A (en) * 1968-09-11 1973-12-25 Daikin Ind Ltd Polytetrafluoroethylene powder and method of preparation thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1804409C3 (de) 1968-10-22 1975-03-27 Farbwerke Hoechst Ag, Vormals Meister Lucius & Bruening, 6000 Frankfurt Für die Pastenextrusion geeignete Polytetraflouräthylen-Füllstoff-Mischungen
GB1365874A (en) * 1970-10-05 1974-09-04 Ici Ltd Filled polytetrafluoroethylene compositions
US3838064A (en) * 1971-04-21 1974-09-24 Kewanee Oil Co Process for dust control
US3915916A (en) * 1974-05-24 1975-10-28 Du Pont Process for reducing filler loss

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766133A (en) * 1963-09-09 1973-10-16 Du Pont Polytetrafluoroethylene filled and unfilled molding powders and theirpreparation
FR1497865A (fr) * 1965-10-26 1967-10-13 Hoechst Ag Procédé de préparation de poudres améliorées contenant du polytétrafluoréthylène
US3781258A (en) * 1968-09-11 1973-12-25 Daikin Ind Ltd Polytetrafluoroethylene powder and method of preparation thereof
FR2117683A5 (OSRAM) * 1970-12-11 1972-07-21 Ici Ltd
FR2117685A5 (OSRAM) * 1970-12-11 1972-07-21 Ici Ltd

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2404015A1 (fr) * 1977-09-21 1979-04-20 Du Pont Procede perfectionne de preparation de particules agglomerees de polymere granulaire et tetrafluoroethylene

Also Published As

Publication number Publication date
DE2615670A1 (de) 1976-10-21
FR2307007B1 (OSRAM) 1980-05-09
JPS51124147A (en) 1976-10-29
US3980612A (en) 1976-09-14
DE2615670C2 (de) 1986-03-06
JPS5440250B2 (OSRAM) 1979-12-03
GB1503235A (en) 1978-03-08

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