GB1369979A - Polytetrafluoroethylene moulding powders - Google Patents

Polytetrafluoroethylene moulding powders

Info

Publication number
GB1369979A
GB1369979A GB3495271*[A GB3495271A GB1369979A GB 1369979 A GB1369979 A GB 1369979A GB 3495271 A GB3495271 A GB 3495271A GB 1369979 A GB1369979 A GB 1369979A
Authority
GB
United Kingdom
Prior art keywords
moulding powders
polytetrafluoroethylene
polytetrafluoroethylene moulding
powders
moulding
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
GB3495271*[A
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.)
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
Priority to GB3495271*[A priority Critical patent/GB1369979A/en
Priority to NLAANVRAGE7116894,A priority patent/NL168533C/xx
Priority to IT3228471A priority patent/IT946137B/it
Priority to JP10059971A priority patent/JPS5417782B1/ja
Priority to FR7144610A priority patent/FR2117683A5/fr
Priority to DE2161857A priority patent/DE2161857C3/de
Priority to US416460A priority patent/US3882217A/en
Publication of GB1369979A publication Critical patent/GB1369979A/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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
GB3495271*[A 1970-12-11 1971-07-26 Polytetrafluoroethylene moulding powders Expired GB1369979A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB3495271*[A GB1369979A (en) 1970-12-11 1971-07-26 Polytetrafluoroethylene moulding powders
NLAANVRAGE7116894,A NL168533C (nl) 1970-12-11 1971-12-09 Werkwijze voor de bereiding van een rul vormpoeder van polytetrafluortheen.
IT3228471A IT946137B (it) 1970-12-11 1971-12-11 Polveri per stampaggio di polite trafluoroetilene
JP10059971A JPS5417782B1 (enrdf_load_stackoverflow) 1970-12-11 1971-12-11
FR7144610A FR2117683A5 (enrdf_load_stackoverflow) 1970-12-11 1971-12-13
DE2161857A DE2161857C3 (de) 1970-12-11 1971-12-13 Verfahren zur Herstellung eines ggf. mit Füllstoffen versehenen PoIytetrafluoräthylenformpulvers
US416460A US3882217A (en) 1970-12-11 1973-11-16 Method for the production of free-flowing polytetrafluoroethylene molding powders

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB5900570 1970-12-11
GB3495271*[A GB1369979A (en) 1970-12-11 1971-07-26 Polytetrafluoroethylene moulding powders

Publications (1)

Publication Number Publication Date
GB1369979A true GB1369979A (en) 1974-10-09

Family

ID=26262512

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3495271*[A Expired GB1369979A (en) 1970-12-11 1971-07-26 Polytetrafluoroethylene moulding powders

Country Status (5)

Country Link
JP (1) JPS5417782B1 (enrdf_load_stackoverflow)
DE (1) DE2161857C3 (enrdf_load_stackoverflow)
FR (1) FR2117683A5 (enrdf_load_stackoverflow)
GB (1) GB1369979A (enrdf_load_stackoverflow)
NL (1) NL168533C (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3980596A (en) * 1975-04-11 1976-09-14 E. I. Du Pont De Nemours And Co. Process for reducing filler loss
US3980612A (en) * 1975-04-11 1976-09-14 E. I. Du Pont De Nemours And Company Process for reducing filler loss during polytetrafluoroethylene agglomeration
RU2182912C2 (ru) * 1995-09-18 2002-05-27 Дайкин Индастриз, Лтд. Гранулированный порошок из политетрафторэтилена, содержащего наполнитель (варианты), и способ его получения
WO1997017392A1 (fr) * 1995-11-09 1997-05-15 Daikin Industries, Ltd. Poudre granulee de polytetrafluoroethylene contenant une matiere de charge et destinee au moulage, et son procede de production
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
JP5085324B2 (ja) * 2005-05-12 2012-11-28 日東電工株式会社 ポリテトラフルオロエチレン粒子凝集物の製造方法およびポリテトラフルオロエチレン成形体の製造方法
WO2007126087A1 (ja) 2006-05-01 2007-11-08 Nitto Denko Corporation ポリテトラフルオロエチレンシートの製造方法およびポリテトラフルオロエチレン製シールテープの製造方法
JP5122113B2 (ja) * 2006-11-15 2013-01-16 日東電工株式会社 ポリテトラフルオロエチレンチューブの製造方法
WO2025089426A1 (ja) * 2023-10-25 2025-05-01 ダイキン工業株式会社 ポリテトラフルオロエチレン造粒粉体

Also Published As

Publication number Publication date
JPS4712332A (enrdf_load_stackoverflow) 1972-06-22
NL168533B (nl) 1981-11-16
JPS5417782B1 (enrdf_load_stackoverflow) 1979-07-03
NL168533C (nl) 1982-04-16
DE2161857B2 (de) 1980-05-29
NL7116894A (enrdf_load_stackoverflow) 1972-06-13
FR2117683A5 (enrdf_load_stackoverflow) 1972-07-21
DE2161857C3 (de) 1981-02-05
DE2161857A1 (de) 1973-08-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee