GB1392345A - Process for preparing polytetrafluoroethylene moulding powders - Google Patents

Process for preparing polytetrafluoroethylene moulding powders

Info

Publication number: GB1392345A
Authority: GB; United Kingdom
Prior art keywords: moulding powders; preparing polytetrafluoroethylene; polytetrafluoroethylene moulding; preparing; powders
Prior art date: 1971-04-14
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

GB4716474A

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.)

Chemours Mitsui Fluoroproducts Co Ltd

Original Assignee

Mitsui Fluorochemicals 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.)

1971-04-14

Filing date

1972-04-10

Publication date

1975-04-30

1972-04-10 Application filed by Mitsui Fluorochemicals Co Ltd filed Critical Mitsui Fluorochemicals Co Ltd

1975-04-30 Publication of GB1392345A publication Critical patent/GB1392345A/en

Status Expired legal-status Critical Current

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
- 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)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Dispersion Chemistry (AREA)
Processes Of Treating Macromolecular Substances (AREA)

GB4716474A 1971-04-14 1972-04-10 Process for preparing polytetrafluoroethylene moulding powders Expired GB1392345A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP2376871A JPS5221011B1 (en)	1971-04-14	1971-04-14

Publications (1)

Publication Number	Publication Date
GB1392345A true GB1392345A (en)	1975-04-30

Family

ID=12119510

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
GB4716474A Expired GB1392345A (en)	1971-04-14	1972-04-10	Process for preparing polytetrafluoroethylene moulding powders
GB1651572A Expired GB1392344A (en)	1971-04-14	1972-04-10	Polytetrafluoroethylene moulding powder

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
GB1651572A Expired GB1392344A (en)	1971-04-14	1972-04-10	Polytetrafluoroethylene moulding powder

Country Status (6)

Country	Link
JP (1)	JPS5221011B1 (en)
DE (1)	DE2218240A1 (en)
FR (1)	FR2133673B1 (en)
GB (2)	GB1392345A (en)
IT (1)	IT951372B (en)
NL (1)	NL7205097A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3135598A1 (en) *	1981-09-09	1983-03-17	Hoechst Ag, 6000 Frankfurt	"CONTINUOUS PROCESS FOR AGGLOMING PTEE POWDERS IN LIQUID MEDIUM, AND MODIFIED PTEE POWDER OBTAINED FROM THEM"

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1497865A (en) *	1965-10-26	1967-10-13	Hoechst Ag	Process for preparing improved powders containing polytetrafluoroethylene

1971
- 1971-04-14 JP JP2376871A patent/JPS5221011B1/ja active Pending
1972
- 1972-04-10 GB GB4716474A patent/GB1392345A/en not_active Expired
- 1972-04-10 GB GB1651572A patent/GB1392344A/en not_active Expired
- 1972-04-13 FR FR7212943A patent/FR2133673B1/fr not_active Expired
- 1972-04-13 IT IT2309372A patent/IT951372B/en active
- 1972-04-14 NL NL7205097A patent/NL7205097A/xx unknown
- 1972-04-14 DE DE19722218240 patent/DE2218240A1/en active Pending

Also Published As

Publication number	Publication date
GB1392344A (en)	1975-04-30
FR2133673B1 (en)	1974-09-13
JPS5221011B1 (en)	1977-06-08
FR2133673A1 (en)	1972-12-01
DE2218240A1 (en)	1972-11-02
IT951372B (en)	1973-06-30
NL7205097A (en)	1972-10-17

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Legal Events

Date	Code	Title	Description
1975-09-10	PS	Patent sealed
1988-11-30	PCNP	Patent ceased through non-payment of renewal fee