JPS5458746A - After treatment of preparatively heat treated tetrafluoroethylene polymer and polymer powder thereby obtained - Google Patents
After treatment of preparatively heat treated tetrafluoroethylene polymer and polymer powder thereby obtainedInfo
- Publication number
- JPS5458746A JPS5458746A JP11992978A JP11992978A JPS5458746A JP S5458746 A JPS5458746 A JP S5458746A JP 11992978 A JP11992978 A JP 11992978A JP 11992978 A JP11992978 A JP 11992978A JP S5458746 A JPS5458746 A JP S5458746A
- Authority
- JP
- Japan
- Prior art keywords
- polymer
- preparatively
- treatment
- heat treated
- polymer powder
- 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.)
- Granted
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
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
-
- 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
- C08F6/00—Post-polymerisation treatments
- C08F6/06—Treatment of polymer solutions
- C08F6/10—Removal of volatile materials, e.g. solvents
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
Landscapes
- 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)
- Processes Of Treating Macromolecular Substances (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2744244A DE2744244C3 (de) | 1977-10-01 | 1977-10-01 | Thermisch vorbehandeltes, aus der Schmelze nicht verarbeitbares, mit einem perfluorierten Monomeren modifiziertes Tetrafluoräthylen-Polymerisatpulver und Verfahren zur Herstellung von Pulvern von aus der Schmelze nicht verarbeitbaren Tetrafluoräthylen-Polymerisaten mit hohem Schüttgewicht und guter Rieselfähigkeit |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP63223670A Division JPH01118408A (ja) | 1977-10-01 | 1988-09-08 | 熱的に予備処理されたテトラフルオルエチレン重合体の後処理法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5458746A true JPS5458746A (en) | 1979-05-11 |
JPH0118088B2 JPH0118088B2 (ja) | 1989-04-04 |
Family
ID=6020418
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11992978A Granted JPS5458746A (en) | 1977-10-01 | 1978-09-30 | After treatment of preparatively heat treated tetrafluoroethylene polymer and polymer powder thereby obtained |
JP63223670A Granted JPH01118408A (ja) | 1977-10-01 | 1988-09-08 | 熱的に予備処理されたテトラフルオルエチレン重合体の後処理法 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP63223670A Granted JPH01118408A (ja) | 1977-10-01 | 1988-09-08 | 熱的に予備処理されたテトラフルオルエチレン重合体の後処理法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US4216265A (ja) |
EP (1) | EP0001420B1 (ja) |
JP (2) | JPS5458746A (ja) |
CA (1) | CA1142696A (ja) |
DE (2) | DE2744244C3 (ja) |
IN (1) | IN150977B (ja) |
IT (1) | IT1099669B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005529208A (ja) * | 2002-06-10 | 2005-09-29 | エージーシー・ケミカルズ・アメリカ、インコーポレイテッド | ポリテトラフルオロエチレンの凝集ペレットの調製方法およびその成形品。 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
DE3110193A1 (de) * | 1980-06-06 | 1982-09-30 | Hoechst Ag, 6000 Frankfurt | "verbessertes verfahren zur herstellung von modifiziertem tetrafluorethylen-polymerisatpulver mit hohem schuettgewicht und guter rieselfaehigkeit" |
US4407988A (en) * | 1980-08-27 | 1983-10-04 | Millipore Corporation | Method for preparing a wear-resistant composition containing fluorinated graphite, graphite fibers and PTFE |
DE3135598A1 (de) * | 1981-09-09 | 1983-03-17 | Hoechst Ag, 6000 Frankfurt | "kontinuierliches verfahren zur agglomerierung von ptee-pulvern im fluessigen medium und damit gewonnenes modifiziertes ptee-pulver" |
JPS62260849A (ja) * | 1986-04-11 | 1987-11-13 | Daikin Ind Ltd | 熱溶融性フツ素樹脂の顆粒状粉末およびその製造法 |
US5560986A (en) * | 1990-04-27 | 1996-10-01 | W. L. Gore & Associates, Inc. | Porous polytetrafluoroethylene sheet composition |
JP3453759B2 (ja) * | 1995-03-15 | 2003-10-06 | ダイキン工業株式会社 | ポリテトラフルオロエチレン成形用粉末の製造方法 |
DE19547907A1 (de) * | 1995-12-21 | 1997-06-26 | Dyneon Gmbh | Nichtrieselfähige Formpulver aus modifizierten Polytetrafluorethylenen |
US10023748B2 (en) | 2011-08-29 | 2018-07-17 | Daikin Industries, Ltd. | Fluorine-containing polymer powder, film, and method for producing fluorine-containing polymer powder |
WO2013115278A1 (ja) * | 2012-02-02 | 2013-08-08 | 旭硝子株式会社 | ポリテトラフルオロエチレンファインパウダーの製造方法 |
CN109705239B (zh) * | 2018-12-19 | 2021-07-23 | 福建三农新材料有限责任公司 | 一种聚四氟乙烯分散树脂的连续后处理系统及方法 |
CN115850889B (zh) * | 2022-12-29 | 2023-07-25 | 深圳市富程威科技股份有限公司 | 一种微孔薄膜及其制备方法和应用 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2400091A (en) * | 1944-09-20 | 1946-05-14 | Du Pont | Molding process |
US3640984A (en) * | 1963-11-04 | 1972-02-08 | Allied Chem | Polytetrafluoroethylene |
JPS4939642A (ja) * | 1972-08-21 | 1974-04-13 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2989777A (en) * | 1957-06-04 | 1961-06-27 | Surf Chemical Inc | Dry powder extruding apparatus and methods for producing polytetrafluoroethylene articles |
US3087921A (en) * | 1958-09-02 | 1963-04-30 | Du Pont | Polytetrafluoroethylene molding powder |
US3152201A (en) * | 1961-01-03 | 1964-10-06 | Du Pont | Manufacture of polytetrafluoroethylene powders |
US3331825A (en) * | 1963-11-05 | 1967-07-18 | Thiokol Chemical Corp | Polytetrafluoroethylene molding powders |
US3527857A (en) * | 1965-10-26 | 1970-09-08 | Hoechst Ag | Process for preparing polytetrafluoroethylene-containing powder |
US3419522A (en) * | 1965-11-22 | 1968-12-31 | Du Pont | Nongraying, nonyellowing polytetrafluoroethylene molding powder |
DE1679830C3 (de) * | 1965-12-30 | 1974-01-10 | Farbwerke Hoechst Ag, Vormals Meister Lucius & Bruening, 6000 Frankfurt | Verfahren zur Herstellung eines Granulats aus pulvrigem Polytetrafluoräthylen |
US3528955A (en) * | 1967-05-16 | 1970-09-15 | Liquid Nitrogen Processing | Polytetrafluoroethylene molding powder and process of preparing the same |
DE2063635C3 (de) * | 1970-12-30 | 1980-01-03 | Daikin Kogyo Co. Ltd., Tokio | Verfahren zur Herstellung eines nicht faserigen ultrafeinen Polytetrafluoräthylen-Formpulvers |
JPS5032098B2 (ja) * | 1972-08-09 | 1975-10-17 |
-
1977
- 1977-10-01 DE DE2744244A patent/DE2744244C3/de not_active Expired
-
1978
- 1978-09-22 DE DE7878100956T patent/DE2860805D1/de not_active Expired
- 1978-09-22 EP EP78100956A patent/EP0001420B1/de not_active Expired
- 1978-09-25 IN IN1067/CAL/78A patent/IN150977B/en unknown
- 1978-09-27 US US05/946,359 patent/US4216265A/en not_active Expired - Lifetime
- 1978-09-29 CA CA000312382A patent/CA1142696A/en not_active Expired
- 1978-09-29 IT IT28280/78A patent/IT1099669B/it active
- 1978-09-30 JP JP11992978A patent/JPS5458746A/ja active Granted
-
1988
- 1988-09-08 JP JP63223670A patent/JPH01118408A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2400091A (en) * | 1944-09-20 | 1946-05-14 | Du Pont | Molding process |
US3640984A (en) * | 1963-11-04 | 1972-02-08 | Allied Chem | Polytetrafluoroethylene |
JPS4939642A (ja) * | 1972-08-21 | 1974-04-13 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005529208A (ja) * | 2002-06-10 | 2005-09-29 | エージーシー・ケミカルズ・アメリカ、インコーポレイテッド | ポリテトラフルオロエチレンの凝集ペレットの調製方法およびその成形品。 |
Also Published As
Publication number | Publication date |
---|---|
JPH01118408A (ja) | 1989-05-10 |
IT1099669B (it) | 1985-09-28 |
EP0001420B1 (de) | 1981-06-24 |
DE2744244B2 (de) | 1980-05-14 |
DE2744244C3 (de) | 1981-01-08 |
DE2860805D1 (en) | 1981-10-01 |
EP0001420A1 (de) | 1979-04-18 |
IN150977B (ja) | 1983-02-05 |
CA1142696A (en) | 1983-03-08 |
JPH0260683B2 (ja) | 1990-12-18 |
DE2744244A1 (de) | 1979-04-05 |
JPH0118088B2 (ja) | 1989-04-04 |
US4216265A (en) | 1980-08-05 |
IT7828280A0 (it) | 1978-09-29 |
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