BR7204826D0 - Processo para a obtencao de ceras fluorcarbonicas - Google Patents
Processo para a obtencao de ceras fluorcarbonicasInfo
- Publication number
- BR7204826D0 BR7204826D0 BR4826/72A BR482672A BR7204826D0 BR 7204826 D0 BR7204826 D0 BR 7204826D0 BR 4826/72 A BR4826/72 A BR 4826/72A BR 482672 A BR482672 A BR 482672A BR 7204826 D0 BR7204826 D0 BR 7204826D0
- Authority
- BR
- Brazil
- Prior art keywords
- fluorcarbonic
- waxes
- obtaining
- obtaining fluorcarbonic
- fluorcarbonic waxes
- Prior art date
Links
- 239000001993 wax Substances 0.000 title 1
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)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Lubricants (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
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 |
---|---|
BR7204826D0 true BR7204826D0 (pt) | 1973-06-28 |
Family
ID=5814445
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR4826/72A BR7204826D0 (pt) | 1971-07-22 | 1972-07-20 | Processo para a obtencao de ceras fluorcarbonicas |
Country Status (15)
Country | Link |
---|---|
US (1) | US3813449A (pt) |
JP (1) | JPS5143080B1 (pt) |
AU (1) | AU465629B2 (pt) |
BE (1) | BE786649R (pt) |
BR (1) | BR7204826D0 (pt) |
CA (1) | CA965900A (pt) |
CH (1) | CH560232A5 (pt) |
ES (1) | ES404938A1 (pt) |
FI (1) | FI55347C (pt) |
FR (1) | FR2146476B2 (pt) |
GB (1) | GB1400179A (pt) |
IL (1) | IL39946A (pt) |
IT (1) | IT1017513B (pt) |
SE (1) | SE394439B (pt) |
ZA (1) | ZA725036B (pt) |
Families Citing this family (6)
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 |
KR20220065815A (ko) * | 2019-09-19 | 2022-05-20 | 구자라트 플루오로케미칼스 리미티드 | 저분자량 폴리테트라플루오로에틸렌 미세분말의 제조를 위한 압출 방법 |
JP2023527829A (ja) * | 2020-05-26 | 2023-06-30 | ゼウス カンパニー インコーポレイテッド | 熱機械的に分解されたptfeからの微粒子 |
-
1972
- 1972-07-15 ES ES404938A patent/ES404938A1/es not_active Expired
- 1972-07-19 CH CH1079272A patent/CH560232A5/xx not_active IP Right Cessation
- 1972-07-19 CA CA147,436A patent/CA965900A/en not_active Expired
- 1972-07-19 IL IL39946A patent/IL39946A/xx unknown
- 1972-07-20 JP JP47072177A patent/JPS5143080B1/ja active Pending
- 1972-07-20 AU AU44746/72A patent/AU465629B2/en not_active Expired
- 1972-07-20 US US00273508A patent/US3813449A/en not_active Expired - Lifetime
- 1972-07-20 FI FI2063/72A patent/FI55347C/fi active
- 1972-07-20 GB GB3396472A patent/GB1400179A/en not_active Expired
- 1972-07-20 IT IT27230/72A patent/IT1017513B/it active
- 1972-07-20 BR BR4826/72A patent/BR7204826D0/pt unknown
- 1972-07-21 FR FR7226395A patent/FR2146476B2/fr not_active Expired
- 1972-07-21 ZA ZA725036A patent/ZA725036B/xx unknown
- 1972-07-21 SE SE7209597A patent/SE394439B/xx unknown
- 1972-07-24 BE BE786649A patent/BE786649R/xx active
Also Published As
Publication number | Publication date |
---|---|
DE2136639A1 (de) | 1973-02-01 |
CA965900A (en) | 1975-04-08 |
FR2146476A2 (pt) | 1973-03-02 |
JPS5143080B1 (pt) | 1976-11-19 |
IT1017513B (it) | 1977-08-10 |
FI55347B (fi) | 1979-03-30 |
IL39946A0 (en) | 1972-09-28 |
CH560232A5 (pt) | 1975-03-27 |
FI55347C (fi) | 1979-07-10 |
BE786649R (fr) | 1973-01-24 |
FR2146476B2 (pt) | 1976-10-29 |
DE2136639B2 (de) | 1976-12-02 |
AU465629B2 (en) | 1975-10-02 |
SE394439B (sv) | 1977-06-27 |
IL39946A (en) | 1975-08-31 |
AU4474672A (en) | 1974-01-24 |
ZA725036B (en) | 1973-05-30 |
GB1400179A (en) | 1975-07-16 |
ES404938A1 (es) | 1975-06-16 |
US3813449A (en) | 1974-05-28 |
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