CH560232A5 - - Google Patents

Info

Publication number: CH560232A5
Authority: CH; Switzerland

Application number

CH1079272A

Original Assignee

Hoechst Ag

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.)

1971-07-22

Filing date

1972-07-19

Publication date

1975-03-27

1971-07-22 Priority claimed from DE19712136639 external-priority patent/DE2136639C3/de

1972-07-19 Application filed by Hoechst Ag filed Critical Hoechst Ag

1975-03-27 Publication of CH560232A5 publication Critical patent/CH560232A5/xx

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/50—Partial depolymerisation
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92514—Pressure
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/802—Heating
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2810/00—Chemical modification of a polymer
- C08F2810/10—Chemical modification of a polymer including a reactive processing step which leads, inter alia, to morphological and/or rheological modifications, e.g. visbreaking

Landscapes

Chemical & Material Sciences (AREA)
General Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Lubricants (AREA)
Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Compositions Of Macromolecular Compounds (AREA)

CH1079272A 1971-07-22 1972-07-19 CH560232A5 (ja)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19712136639 DE2136639C3 (de)		1971-07-22	Verfahren zur Herstellung von Fluorcarbonwachsen

Publications (1)

Publication Number	Publication Date
CH560232A5 true CH560232A5 (ja)	1975-03-27

Family

ID=5814445

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH1079272A CH560232A5 (ja)	1971-07-22	1972-07-19

Country Status (15)

Country	Link
US (1)	US3813449A (ja)
JP (1)	JPS5143080B1 (ja)
AU (1)	AU465629B2 (ja)
BE (1)	BE786649R (ja)
BR (1)	BR7204826D0 (ja)
CA (1)	CA965900A (ja)
CH (1)	CH560232A5 (ja)
ES (1)	ES404938A1 (ja)
FI (1)	FI55347C (ja)
FR (1)	FR2146476B2 (ja)
GB (1)	GB1400179A (ja)
IL (1)	IL39946A (ja)
IT (1)	IT1017513B (ja)
SE (1)	SE394439B (ja)
ZA (1)	ZA725036B (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1191635B (it) *	1984-11-14	1988-03-23	Central Glass Co Ltd	Procedimento di conversione di un polimero elevato contenente fluoro in un polimeto a peso molecolare inferiore
US7176265B2 (en) *	2002-11-22	2007-02-13	E. I. Du Pont De Nemours And Company	Directly polymerized low molecular weight granular polytetrafluoroethylene
TWI492978B (zh)	2013-07-24	2015-07-21	Grand Tek Advance Material Science Co Ltd	複合材料微粉、陶瓷塗料、保護塗層、與複合材料微粉的形成方法
RU2559891C1 (ru) *	2014-05-29	2015-08-20	Федеральное государственное унитарное предприятие "Российский научный центр "Прикладная химия"	Способ переработки политетрафторэтилена
EP4031620A4 (en) *	2019-09-19	2023-10-11	Gujarat Fluorochemicals Limited	EXTRUSION PROCESS FOR PRODUCING A LOW MOLECULAR WEIGHT POLYTETRAFLUORETHYLENE MICROPOWDER
WO2021242726A1 (en) *	2020-05-26	2021-12-02	Zeus Industrial Products, Inc.	Microparticles from thermomechanically degraded ptfe

1972
- 1972-07-15 ES ES404938A patent/ES404938A1/es not_active Expired
- 1972-07-19 CA CA147,436A patent/CA965900A/en not_active Expired
- 1972-07-19 IL IL39946A patent/IL39946A/xx unknown
- 1972-07-19 CH CH1079272A patent/CH560232A5/xx not_active IP Right Cessation
- 1972-07-20 US US00273508A patent/US3813449A/en not_active Expired - Lifetime
- 1972-07-20 GB GB3396472A patent/GB1400179A/en not_active Expired
- 1972-07-20 BR BR4826/72A patent/BR7204826D0/pt unknown
- 1972-07-20 IT IT27230/72A patent/IT1017513B/it active
- 1972-07-20 FI FI2063/72A patent/FI55347C/fi active
- 1972-07-20 JP JP47072177A patent/JPS5143080B1/ja active Pending
- 1972-07-20 AU AU44746/72A patent/AU465629B2/en not_active Expired
- 1972-07-21 FR FR7226395A patent/FR2146476B2/fr not_active Expired
- 1972-07-21 SE SE7209597A patent/SE394439B/xx unknown
- 1972-07-21 ZA ZA725036A patent/ZA725036B/xx unknown
- 1972-07-24 BE BE786649A patent/BE786649R/xx active

Also Published As

Publication number	Publication date
JPS5143080B1 (ja)	1976-11-19
CA965900A (en)	1975-04-08
IL39946A0 (en)	1972-09-28
ES404938A1 (es)	1975-06-16
DE2136639B2 (de)	1976-12-02
AU465629B2 (en)	1975-10-02
FR2146476B2 (ja)	1976-10-29
GB1400179A (en)	1975-07-16
FI55347C (fi)	1979-07-10
IL39946A (en)	1975-08-31
FR2146476A2 (ja)	1973-03-02
AU4474672A (en)	1974-01-24
BR7204826D0 (pt)	1973-06-28
SE394439B (sv)	1977-06-27
DE2136639A1 (de)	1973-02-01
US3813449A (en)	1974-05-28
FI55347B (fi)	1979-03-30
ZA725036B (en)	1973-05-30
IT1017513B (it)	1977-08-10
BE786649R (fr)	1973-01-24

Legal Events

Date	Code	Title	Description
1991-02-28	PL	Patent ceased

Publication	Publication Date	Title
FR2146476A2 (ja)	1973-03-02
AU2658571A (ja)	1972-09-21
AU2691671A (ja)	1972-09-28
AU2564071A (ja)	1972-08-24
AU2684071A (ja)	1972-09-28
AU2742671A (ja)	1972-10-12
AU2894671A (ja)	1972-11-23
AU2941471A (ja)	1972-11-30
AU2952271A (ja)	1972-12-07
AU3005371A (ja)	1972-12-21
AU2726271A (ja)	1972-10-05
AU2938071A (ja)	1972-11-30
AU2724971A (ja)	1972-10-05
AU2503871A (ja)	1972-08-10
AU2577671A (ja)	1972-08-24
AU2588771A (ja)	1972-08-31
AU3038671A (ja)	1973-01-04
AU3025871A (ja)	1973-01-04
AU2654071A (ja)	1972-09-21
AU2963771A (ja)	1972-12-07
AU2669471A (ja)	1972-09-21
AU2684171A (ja)	1971-07-15
AU2940971A (ja)	1972-11-30
AU2740271A (ja)	1972-10-12
AU2930871A (ja)	1972-11-30