JPS5865722A - 変性ｐｔｆｅ―粉末 - Google Patents
変性ｐｔｆｅ―粉末Info
- Publication number
- JPS5865722A JPS5865722A JP57155337A JP15533782A JPS5865722A JP S5865722 A JPS5865722 A JP S5865722A JP 57155337 A JP57155337 A JP 57155337A JP 15533782 A JP15533782 A JP 15533782A JP S5865722 A JPS5865722 A JP S5865722A
- Authority
- JP
- Japan
- Prior art keywords
- powder
- stirring
- agglomerated
- particles
- stage
- 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
- 239000000843 powder Substances 0.000 title claims description 89
- 238000000034 method Methods 0.000 title claims description 72
- 239000007788 liquid Substances 0.000 title claims description 55
- 229920001343 polytetrafluoroethylene Polymers 0.000 title description 4
- 239000002245 particle Substances 0.000 claims description 81
- 238000003756 stirring Methods 0.000 claims description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 239000002609 medium Substances 0.000 claims description 29
- 230000008569 process Effects 0.000 claims description 29
- 230000002776 aggregation Effects 0.000 claims description 27
- 238000005054 agglomeration Methods 0.000 claims description 25
- 238000000465 moulding Methods 0.000 claims description 25
- 229920000642 polymer Polymers 0.000 claims description 24
- 239000006185 dispersion Substances 0.000 claims description 18
- 239000000725 suspension Substances 0.000 claims description 15
- 230000009471 action Effects 0.000 claims description 13
- 238000002203 pretreatment Methods 0.000 claims description 11
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 10
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 9
- 239000011164 primary particle Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 8
- 238000000265 homogenisation Methods 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical class C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 238000013019 agitation Methods 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 5
- 238000012805 post-processing Methods 0.000 claims description 5
- 239000012736 aqueous medium Substances 0.000 claims description 4
- 238000010924 continuous production Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 125000005010 perfluoroalkyl group Chemical group 0.000 claims description 4
- 239000011163 secondary particle Substances 0.000 claims description 4
- 230000007547 defect Effects 0.000 claims description 3
- 238000013467 fragmentation Methods 0.000 claims description 3
- 238000006062 fragmentation reaction Methods 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims description 2
- 238000012986 modification Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 229920002554 vinyl polymer Polymers 0.000 claims description 2
- 238000009736 wetting Methods 0.000 claims description 2
- 230000000302 ischemic effect Effects 0.000 claims 1
- 150000002894 organic compounds Chemical class 0.000 claims 1
- 230000000630 rising effect Effects 0.000 claims 1
- 238000009751 slip forming Methods 0.000 claims 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 10
- 238000001035 drying Methods 0.000 description 8
- 239000000178 monomer Substances 0.000 description 7
- 238000005259 measurement Methods 0.000 description 6
- 238000009835 boiling Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000006116 polymerization reaction Methods 0.000 description 5
- -1 polytetrafluoroethylene Polymers 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000011049 filling Methods 0.000 description 4
- 238000005189 flocculation Methods 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 239000003607 modifier Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000016615 flocculation Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 238000007873 sieving Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- 239000011362 coarse particle Substances 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 150000002170 ethers Chemical class 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- BOSAWIQFTJIYIS-UHFFFAOYSA-N 1,1,1-trichloro-2,2,2-trifluoroethane Chemical compound FC(F)(F)C(Cl)(Cl)Cl BOSAWIQFTJIYIS-UHFFFAOYSA-N 0.000 description 1
- MIZLGWKEZAPEFJ-UHFFFAOYSA-N 1,1,2-trifluoroethene Chemical group FC=C(F)F MIZLGWKEZAPEFJ-UHFFFAOYSA-N 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 241000219122 Cucurbita Species 0.000 description 1
- 235000009852 Cucurbita pepo Nutrition 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- 239000004908 Emulsion polymer Substances 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- YQEZLKZALYSWHR-UHFFFAOYSA-N Ketamine Chemical compound C=1C=CC=C(Cl)C=1C1(NC)CCCCC1=O YQEZLKZALYSWHR-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 235000021167 banquet Nutrition 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001055 chewing effect Effects 0.000 description 1
- 150000001804 chlorine Chemical class 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000001246 colloidal dispersion Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000011437 continuous method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 150000001924 cycloalkanes Chemical class 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000010128 melt processing Methods 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 206010037844 rash Diseases 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000005029 sieve analysis Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
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
-
- 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)
- Dispersion Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3135598A DE3135598A1 (de) | 1981-09-09 | 1981-09-09 | "kontinuierliches verfahren zur agglomerierung von ptee-pulvern im fluessigen medium und damit gewonnenes modifiziertes ptee-pulver" |
| DE3135598.6 | 1981-09-09 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2403738A Division JPH0776274B2 (ja) | 1981-09-09 | 1990-12-19 | 液状媒体中でｐｔｆｅ粉末を連続的に凝集する方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5865722A true JPS5865722A (ja) | 1983-04-19 |
| JPH0339105B2 JPH0339105B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-06-12 |
Family
ID=6141149
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57155337A Granted JPS5865722A (ja) | 1981-09-09 | 1982-09-08 | 変性ｐｔｆｅ―粉末 |
| JP2403738A Expired - Lifetime JPH0776274B2 (ja) | 1981-09-09 | 1990-12-19 | 液状媒体中でｐｔｆｅ粉末を連続的に凝集する方法 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2403738A Expired - Lifetime JPH0776274B2 (ja) | 1981-09-09 | 1990-12-19 | 液状媒体中でｐｔｆｅ粉末を連続的に凝集する方法 |
Country Status (6)
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61136525A (ja) * | 1984-12-07 | 1986-06-24 | Du Pont Mitsui Fluorochem Co Ltd | 変性ポリテトラフルオロエチレン成形体の接合体 |
| WO1997007157A1 (fr) * | 1995-08-11 | 1997-02-27 | Daikin Industries, Ltd. | Procede de production de poudre granulaire de polytetrafluoroethylene modifie |
| WO2004056887A1 (ja) * | 2002-12-19 | 2004-07-08 | Asahi Glass Company, Limited | テトラフルオロエチレン共重合体 |
Families Citing this family (64)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0265924B2 (en) * | 1986-10-29 | 1998-04-22 | Kanegafuchi Kagaku Kogyo Kabushiki Kaisha | Uniform polymer particles |
| JPH02175727A (ja) * | 1988-12-28 | 1990-07-09 | Kagawa Atsuko | 超微粒子状複合材料の製造方法 |
| JP2701434B2 (ja) * | 1989-03-14 | 1998-01-21 | ダイキン工業株式会社 | ポリテトラフルオロエチレンの湿潤パウダーの連続製造法 |
| US5977295A (en) * | 1990-03-12 | 1999-11-02 | Daikin Industries, Ltd | Continuous process for preparing polytetrafluoroethylene wet powder |
| US5180622A (en) * | 1990-04-02 | 1993-01-19 | The Procter & Gamble Company | Absorbent members containing interparticle crosslinked aggregates |
| US5149334A (en) * | 1990-04-02 | 1992-09-22 | The Procter & Gamble Company | Absorbent articles containing interparticle crosslinked aggregates |
| US5492962A (en) * | 1990-04-02 | 1996-02-20 | The Procter & Gamble Company | Method for producing compositions containing interparticle crosslinked aggregates |
| US5300565A (en) * | 1990-04-02 | 1994-04-05 | The Procter & Gamble Company | Particulate, absorbent, polymeric compositions containing interparticle crosslinked aggregates |
| US5124188A (en) * | 1990-04-02 | 1992-06-23 | The Procter & Gamble Company | Porous, absorbent, polymeric macrostructures and methods of making the same |
| WO1993016126A1 (en) * | 1992-02-05 | 1993-08-19 | Daikin Industries, Ltd. | Polytetrafluoroethylene powder for molding |
| US5433906A (en) * | 1993-07-09 | 1995-07-18 | General Motors Corporation | Composite of small carbon fibers and thermoplastics and method for making same |
| DE4331971A1 (de) * | 1993-09-21 | 1995-03-23 | Hoechst Ag | Polytetrafluorethylen-Mikropulver, ihre Herstellung und Verwendung |
| US5713881A (en) * | 1993-10-22 | 1998-02-03 | Rezai; Ebrahim | Non-continuous absorbent composites comprising a porous macrostructure of absorbent gelling particles and a substrate |
| US5536264A (en) * | 1993-10-22 | 1996-07-16 | The Procter & Gamble Company | Absorbent composites comprising a porous macrostructure of absorbent gelling particles and a substrate |
| US5868724A (en) * | 1993-10-22 | 1999-02-09 | The Procter & Gamble Company | Non-continuous absorbent cores comprising a porous macrostructure of absorbent gelling particles |
| US5372766A (en) * | 1994-03-31 | 1994-12-13 | The Procter & Gamble Company | Flexible, porous, absorbent, polymeric macrostructures and methods of making the same |
| JP3671435B2 (ja) * | 1994-07-22 | 2005-07-13 | ダイキン工業株式会社 | 高分子量フッ素系溶融樹脂微粉末、その成形品、及びこれらの製造方法 |
| US5502161A (en) * | 1994-12-21 | 1996-03-26 | Ici Americas Inc. | Method for the production of free-flowing tetrafluoroethylene polymer molding powders |
| AU4869796A (en) * | 1995-02-21 | 1996-09-11 | Serrot Corporation | Fabric mesh reinforced monolithic thermoplastic membrane |
| EP0861865A4 (en) | 1995-11-09 | 1999-05-26 | Daikin Ind Ltd | GRANULATED POLYTETRAFLUOROETHYLENE POWDER CONTAINING FILLER AND MOLDING MATERIAL, AND METHOD FOR PRODUCING THE SAME |
| DE19547907A1 (de) * | 1995-12-21 | 1997-06-26 | Dyneon Gmbh | Nichtrieselfähige Formpulver aus modifizierten Polytetrafluorethylenen |
| WO1998041383A1 (en) * | 1997-03-17 | 1998-09-24 | Daikin Industries, Ltd. | Method of bonding and molding modified polytetrafluoroethylene moldings |
| KR100441808B1 (ko) † | 1997-03-19 | 2004-07-27 | 다이낑 고오교 가부시키가이샤 | 폴리테트라플루오로에틸렌 성형품 및 그 제조방법 |
| US6518349B1 (en) * | 1999-03-31 | 2003-02-11 | E. I. Du Pont De Nemours And Company | Sprayable powder of non-fibrillatable fluoropolymer |
| US6482979B1 (en) | 1999-12-22 | 2002-11-19 | Dyneon Llc | Perfluorinated acid fluorides and preparation thereof |
| EP1244713B1 (en) * | 2000-06-01 | 2006-05-03 | 3M Innovative Properties Company | Methods for the production of high purity fluoropolymers |
| US7125941B2 (en) * | 2001-03-26 | 2006-10-24 | 3M Innovative Properties Company | Aqueous emulsion polymerization process for producing fluoropolymers |
| CN1223619C (zh) | 2001-05-02 | 2005-10-19 | 3M创新有限公司 | 制备氟聚合物的无乳化剂水乳液聚合方法 |
| AU2002303564A1 (en) | 2001-05-02 | 2002-11-11 | 3M Innovative Properties Company | Aqueous emulsion polymerization in the presence of ethers as chain transfer agents to produce fluoropolymers |
| US6737489B2 (en) | 2001-05-21 | 2004-05-18 | 3M Innovative Properties Company | Polymers containing perfluorovinyl ethers and applications for such polymers |
| US7045571B2 (en) * | 2001-05-21 | 2006-05-16 | 3M Innovative Properties Company | Emulsion polymerization of fluorinated monomers |
| US7279522B2 (en) * | 2001-09-05 | 2007-10-09 | 3M Innovative Properties Company | Fluoropolymer dispersions containing no or little low molecular weight fluorinated surfactant |
| US6870020B2 (en) * | 2002-04-30 | 2005-03-22 | E. I. Du Pont De Nemours And Company | High vinyl ether modified sinterable polytetrafluoroethylene |
| ITMI20021383A1 (it) * | 2002-06-21 | 2003-12-22 | Dry Doughy S R L | Procedimento ed additivo per la coalizione e l'impastamento a secco di polveri fino ad arrivare alla sfogliatura |
| JP2006504844A (ja) * | 2002-10-31 | 2006-02-09 | スリーエム イノベイティブ プロパティズ カンパニー | フッ化オレフィンと炭化水素オレフィンとのコポリマーを製造するための、乳化剤非含有水性乳化重合 |
| EP1441014A1 (en) * | 2003-01-22 | 2004-07-28 | 3M Innovative Properties Company | Aqueous fluoropolymer dispersion comprising a melt processible fluoropolymer and having a reduced amount of fluorinated surfactant |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1061227A (en) * | 1963-11-28 | 1967-03-08 | Ogilvie Flour Mills Company Lt | Process and apparatus for preparing free-flowing and readily dispersible products from finely powdered materials |
| US3527857A (en) * | 1965-10-26 | 1970-09-08 | Hoechst Ag | Process for preparing polytetrafluoroethylene-containing powder |
| US3597405A (en) * | 1966-04-21 | 1971-08-03 | Daikin Ind Ltd | Polytertrafluoroethylene powder and method for making the same |
| JPS5221011B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1971-04-14 | 1977-06-08 | ||
| JPS5032098B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1972-08-09 | 1975-10-17 | ||
| US4123606A (en) * | 1977-09-21 | 1978-10-31 | E. I. Du Pont De Nemours And Company | Deagglomeration process |
| DE2744244C3 (de) * | 1977-10-01 | 1981-01-08 | Hoechst Ag, 6000 Frankfurt | 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 |
| US4241137A (en) * | 1977-11-22 | 1980-12-23 | Daikin Kogyo Co., Ltd. | Process for preparing polytetrafluoroethylene granular powder |
| 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" |
-
1981
- 1981-09-09 DE DE3135598A patent/DE3135598A1/de not_active Withdrawn
-
1982
- 1982-09-01 US US06/413,716 patent/US4439385A/en not_active Expired - Lifetime
- 1982-09-03 DE DE8282108130T patent/DE3270126D1/de not_active Expired
- 1982-09-03 EP EP82108130A patent/EP0074096B1/de not_active Expired
- 1982-09-08 JP JP57155337A patent/JPS5865722A/ja active Granted
- 1982-09-08 BR BR8205249A patent/BR8205249A/pt unknown
- 1982-09-08 CA CA000410946A patent/CA1184728A/en not_active Expired
-
1987
- 1987-03-03 US US07/021,168 patent/US4774304A/en not_active Expired - Lifetime
-
1990
- 1990-12-19 JP JP2403738A patent/JPH0776274B2/ja not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61136525A (ja) * | 1984-12-07 | 1986-06-24 | Du Pont Mitsui Fluorochem Co Ltd | 変性ポリテトラフルオロエチレン成形体の接合体 |
| WO1997007157A1 (fr) * | 1995-08-11 | 1997-02-27 | Daikin Industries, Ltd. | Procede de production de poudre granulaire de polytetrafluoroethylene modifie |
| US6013700A (en) * | 1995-08-11 | 2000-01-11 | Daikin Industries, Ltd. | Process for producing granular powder of modified polytetrafluoroethylene |
| WO2004056887A1 (ja) * | 2002-12-19 | 2004-07-08 | Asahi Glass Company, Limited | テトラフルオロエチレン共重合体 |
| US7009018B2 (en) | 2002-12-19 | 2006-03-07 | Asahi Glass Company, Limited | Tetrafluoroethylene copolymer |
| JPWO2004056887A1 (ja) * | 2002-12-19 | 2006-04-20 | 旭硝子株式会社 | テトラフルオロエチレン共重合体 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3270126D1 (en) | 1986-04-30 |
| CA1184728A (en) | 1985-04-02 |
| JPH0776274B2 (ja) | 1995-08-16 |
| US4774304A (en) | 1988-09-27 |
| DE3135598A1 (de) | 1983-03-17 |
| BR8205249A (pt) | 1983-08-16 |
| JPH05186605A (ja) | 1993-07-27 |
| US4439385A (en) | 1984-03-27 |
| EP0074096A3 (en) | 1983-09-14 |
| EP0074096A2 (de) | 1983-03-16 |
| JPH0339105B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-06-12 |
| EP0074096B1 (de) | 1986-03-26 |
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