GB1428838A - Polytetrafluoroethylene granular powder and process for preparing the same - Google Patents

Polytetrafluoroethylene granular powder and process for preparing the same

Info

Publication number
GB1428838A
GB1428838A GB3520973A GB3520973A GB1428838A GB 1428838 A GB1428838 A GB 1428838A GB 3520973 A GB3520973 A GB 3520973A GB 3520973 A GB3520973 A GB 3520973A GB 1428838 A GB1428838 A GB 1428838A
Authority
GB
United Kingdom
Prior art keywords
microns
particles
ptfe
granular
less
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
Application number
GB3520973A
Other languages
English (en)
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.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
Daikin Kogyo Co 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 Daikin Industries Ltd, Daikin Kogyo Co Ltd filed Critical Daikin Industries Ltd
Publication of GB1428838A publication Critical patent/GB1428838A/en
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
    • 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)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
GB3520973A 1972-07-29 1973-07-24 Polytetrafluoroethylene granular powder and process for preparing the same Expired GB1428838A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7607672A JPS568044B2 (enrdf_load_stackoverflow) 1972-07-29 1972-07-29

Publications (1)

Publication Number Publication Date
GB1428838A true GB1428838A (en) 1976-03-17

Family

ID=13594704

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3520973A Expired GB1428838A (en) 1972-07-29 1973-07-24 Polytetrafluoroethylene granular powder and process for preparing the same

Country Status (3)

Country Link
JP (1) JPS568044B2 (enrdf_load_stackoverflow)
DE (1) DE2338285B2 (enrdf_load_stackoverflow)
GB (1) GB1428838A (enrdf_load_stackoverflow)

Cited By (4)

* 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
EP1000961A4 (en) * 1997-08-01 2000-09-20 Daikin Ind Ltd METHOD FOR PRODUCING A GRANULAR POLYTETRAFLUOROETHYLENE POWDER
EP1449866A4 (en) * 2001-10-24 2007-04-11 Daikin Ind Ltd PTFE POWDER AND METHOD FOR PRODUCING PTFE POWDER FOR FORMING
US7803889B2 (en) * 2003-02-28 2010-09-28 Daikin Industries, Ltd. Granulated powder of low-molecular polytetrafluoro-ethylene and powder of low-molecular polytetrafluoro-ethylene and processes for producing both

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19547909A1 (de) * 1995-12-21 1997-06-26 Dyneon Gmbh Verfahren zur Nachbehandlung von thermoplastischen Fluorpolymeren

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB638328A (en) * 1946-12-07 1950-06-07 Du Pont Moulding powders comprising fluorine-containing polymers
US3115486A (en) * 1960-11-30 1963-12-24 Du Pont Process for the preparation of polytetrafluoroethylene molding powder
FR1307128A (fr) * 1960-11-30 1962-10-19 Du Pont Procédé de fabrication de poudre à mouler
DE1745937C3 (de) * 1963-09-09 1973-12-20 E.I. Du Pont De Nemours And Co., Wilmington, Del. (V.St.A.) Formpulver aus Polytetrafluorathylen und Verfahren zu dessen Herstellung
US3265679A (en) * 1963-09-19 1966-08-09 Pennsalt Chemicals Corp Chemical product and method for its manufacture
GB1100388A (en) * 1964-05-18 1968-01-24 Daikin Ind Ltd Polytetrafluoroethylene powder and method of preparation thereof
US3366615A (en) * 1964-09-16 1968-01-30 Allied Chem Method for agglomerating granular polytetrafluoroethylene
DE1669830A1 (de) * 1967-03-09 1971-07-01 Huels Chemische Werke Ag Verfahren zur Verbesserung des Klebeverhaltens von unvulkanisierten Elastomeren und deren Mischungen
US3690569A (en) * 1970-09-24 1972-09-12 Du Pont Granular polytetrafluoroethylene of good moldability and apparent bulk density
JPS5221011A (en) * 1975-08-09 1977-02-17 Ibigawa Electric Ind Co Ltd Method of manufacturing carbon products

Cited By (5)

* 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
EP1000961A4 (en) * 1997-08-01 2000-09-20 Daikin Ind Ltd METHOD FOR PRODUCING A GRANULAR POLYTETRAFLUOROETHYLENE POWDER
EP1449866A4 (en) * 2001-10-24 2007-04-11 Daikin Ind Ltd PTFE POWDER AND METHOD FOR PRODUCING PTFE POWDER FOR FORMING
US8247506B2 (en) 2001-10-24 2012-08-21 Daiken Industries, Ltd. PTFE powder and method of producing PTFE molding powders
US7803889B2 (en) * 2003-02-28 2010-09-28 Daikin Industries, Ltd. Granulated powder of low-molecular polytetrafluoro-ethylene and powder of low-molecular polytetrafluoro-ethylene and processes for producing both

Also Published As

Publication number Publication date
JPS568044B2 (enrdf_load_stackoverflow) 1981-02-21
DE2338285B2 (de) 1980-02-28
JPS4933943A (enrdf_load_stackoverflow) 1974-03-28
DE2338285A1 (de) 1974-02-14
DE2338285C3 (enrdf_load_stackoverflow) 1991-10-02

Similar Documents

Publication Publication Date Title
TW343977B (en) Production of modified polytetrafluoroethylene granular powder
JPS5718730A (en) Preparation of filler-containing polytetrafluoroethylene molding powder
GB1475509A (en) Glass batch materials
GB1421206A (en) Process for the manufacture of free-flowing pulverulent rubber -filler mixtures from rubber solutions
GB1428838A (en) Polytetrafluoroethylene granular powder and process for preparing the same
GB2009204A (en) Granulation of pigments
GB1400861A (en) Method of making a powdered coating material
GB1440269A (en) Plastisol particles and method of production
GB1498877A (en) Preparation of agglomerated granules containing polymer and filler
KR910016822A (ko) 폴리테트라플루오로에틸렌 입상 분말의 제조방법
GB1452745A (en) Rubbers
ES422710A1 (es) Procedimiento para la produccion de granulos pesticidas dispersables en agua.
GB1338145A (en) Keeping stirrer shaft seals free of polymer in polymerisation kettles having a bottom-entering stirrer
GB1281907A (en) Process for the preparation of granular polytetrafluoroethylene
GB1446676A (en) Process for agglomerating particles of polytetrafluoroethylene
JPS53136089A (en) Suspension polymerization of vinyl chloride
GB1327323A (en) Preparation of polytetrafluoroethylene of high apparent bulk density
GB1176706A (en) Treatment of Liquids
GB1193579A (en) Improvements in and relating to Stabilised Polyethylene Terephthalate.
GB1229456A (enrdf_load_stackoverflow)
ES405331A1 (es) Procedimiento para la preparacion de materias plasticas en forma pulverulenta a partir de dispersiones acuosas de mate-rial plastico.
ES400082A1 (es) Procedimiento para la obtencion de sustancias solidas dis- persas activadas.
SU506607A1 (ru) Способ получени гранулированного порошка из политетрафторэтилена
GB1388371A (en) Separation process for solid material
ES407247A1 (es) Un metodo para aglomerar material en particulas.

Legal Events

Date Code Title Description
PS Patent sealed
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920724