CH461095A - Verfahren zur Herstellung von Polytetrafluoräthylen-Granalien - Google Patents
Verfahren zur Herstellung von Polytetrafluoräthylen-GranalienInfo
- Publication number
- CH461095A CH461095A CH1273765A CH1273765A CH461095A CH 461095 A CH461095 A CH 461095A CH 1273765 A CH1273765 A CH 1273765A CH 1273765 A CH1273765 A CH 1273765A CH 461095 A CH461095 A CH 461095A
- Authority
- CH
- Switzerland
- Prior art keywords
- production
- polytetrafluoroethylene granules
- polytetrafluoroethylene
- granules
- Prior art date
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
-
- 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)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US396967A US3366615A (en) | 1964-09-16 | 1964-09-16 | Method for agglomerating granular polytetrafluoroethylene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH461095A true CH461095A (de) | 1968-08-15 |
Family
ID=23569334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1273765A CH461095A (de) | 1964-09-16 | 1965-09-14 | Verfahren zur Herstellung von Polytetrafluoräthylen-Granalien |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3366615A (de) |
| BE (1) | BE669621A (de) |
| CH (1) | CH461095A (de) |
| DE (1) | DE1544624A1 (de) |
| ES (1) | ES317449A1 (de) |
| GB (1) | GB1076067A (de) |
| IL (1) | IL24316A (de) |
| NL (1) | NL6511969A (de) |
| SE (1) | SE315386B (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS568044B2 (de) * | 1972-07-29 | 1981-02-21 | ||
| US4123606A (en) * | 1977-09-21 | 1978-10-31 | E. I. Du Pont De Nemours And Company | Deagglomeration process |
| DE2949908A1 (de) * | 1979-12-12 | 1981-06-19 | Hoechst Ag, 6230 Frankfurt | Rieselfaehige sinterpulver mit verbesserten eigenschaften auf basis von tetrafluorethylen-polymeren und verfahren zu deren herstellung |
| JPH0952955A (ja) * | 1995-08-11 | 1997-02-25 | Daikin Ind Ltd | 変性ポリテトラフルオロエチレン粒状粉末の製法 |
| DE19547907A1 (de) | 1995-12-21 | 1997-06-26 | Dyneon Gmbh | Nichtrieselfähige Formpulver aus modifizierten Polytetrafluorethylenen |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2559752A (en) * | 1951-03-06 | 1951-07-10 | Du Pont | Aqueous colloidal dispersions of polymers |
| US2750350A (en) * | 1953-05-12 | 1956-06-12 | Du Pont | Dispersion polymerization process for tetrafluoroethylene |
| US3161707A (en) * | 1960-11-02 | 1964-12-15 | Koppers Co Inc | Process and apparatus of making large balls in a drum pelletizer |
| US3186928A (en) * | 1962-08-08 | 1965-06-01 | Phillips Petroleum Co | Process for wet pelleting of carbon black |
| US3265679A (en) * | 1963-09-19 | 1966-08-09 | Pennsalt Chemicals Corp | Chemical product and method for its manufacture |
-
1964
- 1964-09-16 US US396967A patent/US3366615A/en not_active Expired - Lifetime
-
1965
- 1965-09-02 GB GB37569/65A patent/GB1076067A/en not_active Expired
- 1965-09-13 SE SE11917/65A patent/SE315386B/xx unknown
- 1965-09-14 IL IL24316A patent/IL24316A/xx unknown
- 1965-09-14 ES ES0317449A patent/ES317449A1/es not_active Expired
- 1965-09-14 BE BE669621A patent/BE669621A/xx unknown
- 1965-09-14 CH CH1273765A patent/CH461095A/de unknown
- 1965-09-14 DE DE19651544624 patent/DE1544624A1/de active Pending
- 1965-09-14 NL NL6511969A patent/NL6511969A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1076067A (en) | 1967-07-19 |
| BE669621A (de) | 1965-12-31 |
| IL24316A (en) | 1969-04-30 |
| ES317449A1 (es) | 1966-03-01 |
| DE1544624A1 (de) | 1970-11-05 |
| US3366615A (en) | 1968-01-30 |
| SE315386B (de) | 1969-09-29 |
| NL6511969A (de) | 1966-03-17 |
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