JP2006509072A - 直接重合された低分子量の粒状ポリテトラフルオロエチレン - Google Patents
直接重合された低分子量の粒状ポリテトラフルオロエチレン Download PDFInfo
- Publication number
- JP2006509072A JP2006509072A JP2004557288A JP2004557288A JP2006509072A JP 2006509072 A JP2006509072 A JP 2006509072A JP 2004557288 A JP2004557288 A JP 2004557288A JP 2004557288 A JP2004557288 A JP 2004557288A JP 2006509072 A JP2006509072 A JP 2006509072A
- Authority
- JP
- Japan
- Prior art keywords
- molecular weight
- polytetrafluoroethylene
- low molecular
- powder
- less
- 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.)
- Pending
Links
- 229920001343 polytetrafluoroethylene Polymers 0.000 title claims abstract description 131
- 239000004810 polytetrafluoroethylene Substances 0.000 title claims abstract description 131
- -1 polytetrafluoroethylene Polymers 0.000 title claims abstract description 83
- 239000000843 powder Substances 0.000 claims abstract description 116
- 239000002245 particle Substances 0.000 claims abstract description 100
- 238000000034 method Methods 0.000 claims abstract description 60
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 48
- 230000003797 telogen phase Effects 0.000 claims abstract description 41
- 238000006243 chemical reaction Methods 0.000 claims abstract description 40
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims abstract description 22
- 238000009826 distribution Methods 0.000 claims abstract description 22
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000654 additive Substances 0.000 claims abstract description 19
- 239000003999 initiator Substances 0.000 claims abstract description 18
- 239000004033 plastic Substances 0.000 claims abstract description 16
- 229920003023 plastic Polymers 0.000 claims abstract description 16
- 239000000155 melt Substances 0.000 claims abstract description 14
- 238000010557 suspension polymerization reaction Methods 0.000 claims abstract description 13
- 150000003254 radicals Chemical class 0.000 claims abstract description 9
- 239000012736 aqueous medium Substances 0.000 claims abstract description 6
- 229920000642 polymer Polymers 0.000 claims description 55
- 239000000203 mixture Substances 0.000 claims description 16
- 230000000996 additive effect Effects 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000004094 surface-active agent Substances 0.000 claims description 9
- 125000004432 carbon atom Chemical group C* 0.000 claims description 8
- 238000013019 agitation Methods 0.000 claims description 6
- 239000011737 fluorine Substances 0.000 claims description 6
- 229910052731 fluorine Inorganic materials 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 6
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 125000001931 aliphatic group Chemical group 0.000 claims description 3
- 150000002894 organic compounds Chemical class 0.000 claims description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 1
- 239000005977 Ethylene Substances 0.000 claims 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical group FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 claims 1
- 230000000379 polymerizing effect Effects 0.000 claims 1
- 239000000976 ink Substances 0.000 abstract description 22
- 230000008569 process Effects 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 11
- 238000000576 coating method Methods 0.000 abstract description 9
- 238000003756 stirring Methods 0.000 abstract description 5
- 239000000314 lubricant Substances 0.000 abstract description 4
- 238000000605 extraction Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 239000000047 product Substances 0.000 description 12
- 239000006185 dispersion Substances 0.000 description 8
- 239000012986 chain transfer agent Substances 0.000 description 7
- 238000012674 dispersion polymerization Methods 0.000 description 7
- 238000002356 laser light scattering Methods 0.000 description 7
- 238000002844 melting Methods 0.000 description 7
- 230000008018 melting Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 6
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 6
- 239000011164 primary particle Substances 0.000 description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229920002313 fluoropolymer Polymers 0.000 description 4
- 238000009472 formulation Methods 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 238000007639 printing Methods 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000004811 fluoropolymer Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- DJEHXEMURTVAOE-UHFFFAOYSA-M potassium bisulfite Chemical compound [K+].OS([O-])=O DJEHXEMURTVAOE-UHFFFAOYSA-M 0.000 description 3
- 229940099427 potassium bisulfite Drugs 0.000 description 3
- 235000010259 potassium hydrogen sulphite Nutrition 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000004626 scanning electron microscopy Methods 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- KHXKESCWFMPTFT-UHFFFAOYSA-N 1,1,1,2,2,3,3-heptafluoro-3-(1,2,2-trifluoroethenoxy)propane Chemical compound FC(F)=C(F)OC(F)(F)C(F)(F)C(F)(F)F KHXKESCWFMPTFT-UHFFFAOYSA-N 0.000 description 2
- GVEUEBXMTMZVSD-UHFFFAOYSA-N 3,3,4,4,5,5,6,6,6-nonafluorohex-1-ene Chemical group FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C=C GVEUEBXMTMZVSD-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 229920004943 Delrin® Polymers 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 229930182556 Polyacetal Natural products 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 206010061592 cardiac fibrillation Diseases 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000002600 fibrillogenic effect Effects 0.000 description 2
- 125000001153 fluoro group Chemical group F* 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 235000006408 oxalic acid Nutrition 0.000 description 2
- 238000012667 polymer degradation Methods 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 238000010558 suspension polymerization method Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- MKTOIPPVFPJEQO-UHFFFAOYSA-N 4-(3-carboxypropanoylperoxy)-4-oxobutanoic acid Chemical compound OC(=O)CCC(=O)OOC(=O)CCC(O)=O MKTOIPPVFPJEQO-UHFFFAOYSA-N 0.000 description 1
- OQVYMXCRDHDTTH-UHFFFAOYSA-N 4-(diethoxyphosphorylmethyl)-2-[4-(diethoxyphosphorylmethyl)pyridin-2-yl]pyridine Chemical compound CCOP(=O)(OCC)CC1=CC=NC(C=2N=CC=C(CP(=O)(OCC)OCC)C=2)=C1 OQVYMXCRDHDTTH-UHFFFAOYSA-N 0.000 description 1
- XWNSFEAWWGGSKJ-UHFFFAOYSA-N 4-acetyl-4-methylheptanedinitrile Chemical compound N#CCCC(C)(C(=O)C)CCC#N XWNSFEAWWGGSKJ-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- 229920006074 Nylatron® Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004153 Potassium bromate Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 230000002902 bimodal effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 230000003635 deoxygenating effect Effects 0.000 description 1
- 239000004815 dispersion polymer Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000013529 heat transfer fluid Substances 0.000 description 1
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229910000358 iron sulfate Inorganic materials 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229940094037 potassium bromate Drugs 0.000 description 1
- 235000019396 potassium bromate Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000010076 replication Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 238000005464 sample preparation method Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000006276 transfer reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 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
- C08F6/00—Post-polymerisation treatments
- C08F6/24—Treatment of polymer suspensions
-
- 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
- C08F114/00—Homopolymers 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
- C08F114/18—Monomers containing fluorine
- C08F114/26—Tetrafluoroethene
-
- 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
- C08F14/00—Homopolymers and 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
- C08F14/18—Monomers containing fluorine
- C08F14/26—Tetrafluoroethene
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polymerisation Methods In General (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US42834302P | 2002-11-22 | 2002-11-22 | |
| PCT/US2003/037669 WO2004050727A1 (en) | 2002-11-22 | 2003-11-20 | Directly polymerized low molecular weight granular polytetrafluoroethylene |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2006509072A true JP2006509072A (ja) | 2006-03-16 |
| JP2006509072A5 JP2006509072A5 (https=) | 2007-01-18 |
Family
ID=32469303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004557288A Pending JP2006509072A (ja) | 2002-11-22 | 2003-11-20 | 直接重合された低分子量の粒状ポリテトラフルオロエチレン |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US7176265B2 (https=) |
| EP (1) | EP1562995A1 (https=) |
| JP (1) | JP2006509072A (https=) |
| CN (2) | CN1326893C (https=) |
| AU (1) | AU2003302666A1 (https=) |
| WO (1) | WO2004050727A1 (https=) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010202741A (ja) * | 2009-03-02 | 2010-09-16 | Daikin Ind Ltd | 低分子量ポリテトラフルオロエチレン粉末及びその製造方法、低分子量ポリテトラフルオロエチレンゲル化粉末、並びに定着部材用塗料 |
| WO2010114033A1 (ja) | 2009-03-31 | 2010-10-07 | ダイキン工業株式会社 | 低分子量ポリテトラフルオロエチレン粉末及びその製造方法 |
| JP2013111160A (ja) * | 2011-11-28 | 2013-06-10 | Fujifilm Corp | 内視鏡 |
| WO2014123075A1 (ja) * | 2013-02-05 | 2014-08-14 | 旭硝子株式会社 | ポリテトラフルオロエチレンモールディングパウダーの製造方法およびポリテトラフルオロエチレン造粒物の製造方法 |
| WO2019098202A1 (ja) * | 2017-11-16 | 2019-05-23 | Ａｇｃ株式会社 | 樹脂パウダーの製造方法、樹脂パウダーおよび積層体の製造方法 |
| JP2023501048A (ja) * | 2019-09-17 | 2023-01-18 | グジャラート フルオロケミカルズ リミテッド | 低分子量ポリテトラフルオロエチレン微粉末及びその調製方法 |
| 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 |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7176265B2 (en) * | 2002-11-22 | 2007-02-13 | E. I. Du Pont De Nemours And Company | Directly polymerized low molecular weight granular polytetrafluoroethylene |
| US7803889B2 (en) * | 2003-02-28 | 2010-09-28 | Daikin Industries, Ltd. | Granulated powder of low-molecular polytetrafluoro-ethylene and powder of low-molecular polytetrafluoro-ethylene and processes for producing both |
| US7247690B2 (en) | 2003-04-17 | 2007-07-24 | E. I. Du Pont De Nemours And Company | Melt-fabricable tetrafluoroethylene/fluorinated vinyl ether copolymer prepared by suspension polymerization |
| US7410110B2 (en) * | 2005-08-30 | 2008-08-12 | Uchicago Argonne, Llc | Efficient process for making tackifiers and adhesives |
| CN100506858C (zh) * | 2006-11-10 | 2009-07-01 | 中昊晨光化工研究院 | 一种低分子量聚四氟乙烯树脂的生产方法 |
| JP5338667B2 (ja) | 2007-08-07 | 2013-11-13 | ダイキン工業株式会社 | 低分子量ポリテトラフルオロエチレン水性分散液、低分子量ポリテトラフルオロエチレン粉末及び低分子量ポリテトラフルオロエチレンの製造方法 |
| US8485657B2 (en) * | 2010-01-08 | 2013-07-16 | Advanced Chemical Solutions, Llc | Sublimation printing processes and fabric pretreatment compositions for ink jet printing onto arbitrary fabrics |
| CN104245827B (zh) | 2012-04-20 | 2019-09-06 | 大金工业株式会社 | 以ptfe为主要成分的组合物、混合粉末、成型用材料和过滤器用滤材、空气过滤器单元、以及多孔膜的制造方法 |
| US10245545B2 (en) | 2013-10-23 | 2019-04-02 | Daikin Industries, Ltd. | Embossed air filter filtration medium, filter pack, air filter unit, and method for manufacturing filtration medium for embossed air filter |
| JP5880760B2 (ja) * | 2014-04-24 | 2016-03-09 | ダイキン工業株式会社 | 積層体 |
| WO2017043372A1 (ja) | 2015-09-07 | 2017-03-16 | 住友電工ファインポリマー株式会社 | ポリテトラフルオロエチレン成形体の製造方法及びポリテトラフルオロエチレン成形体 |
| JP6673230B2 (ja) | 2017-01-12 | 2020-03-25 | ダイキン工業株式会社 | エアフィルタ濾材 |
| JP6816746B2 (ja) | 2018-07-20 | 2021-01-20 | ダイキン工業株式会社 | エアフィルタ濾材、フィルタパック、およびエアフィルタユニット |
| US20220040614A1 (en) | 2018-09-28 | 2022-02-10 | Daikin Industries, Ltd. | Air filter medium, filter pack, air filter unit, and method for producing the same |
| CN110305585A (zh) * | 2019-07-11 | 2019-10-08 | 闽江学院 | 一种耐热抗冲击天然生漆膜及其制备方法 |
| EP4056366A4 (en) | 2019-11-05 | 2023-11-15 | Daikin Industries, Ltd. | LAMINATED BODY AND EXTRUSION MOLDED ARTICLE |
| CN111412372A (zh) * | 2020-04-15 | 2020-07-14 | 山东军沃科技有限公司 | 一种弹壳引长无水清洗加工工艺 |
| JP7181480B2 (ja) | 2021-02-04 | 2022-12-01 | ダイキン工業株式会社 | エアフィルタ濾材、エアフィルタ濾材の製造方法、マスク用濾材、および、プリーツ状マスク用濾材 |
| EP4353344A4 (en) | 2021-06-04 | 2024-08-21 | Daikin Industries, Ltd. | AIR FILTER MEDIA, PLEATED FILTER MEDIA, AIR FILTER UNIT, MASK FILTRATION MEDIA, AND METHOD FOR RECYCLING AIR FILTER MEDIA |
| CN114085481A (zh) * | 2021-12-17 | 2022-02-25 | 上海佳珊赫新材料科技有限公司 | 一种增强聚四氟乙烯韧性及使用寿命改性配方 |
| CN118871179A (zh) | 2022-03-15 | 2024-10-29 | 大金工业株式会社 | 空气过滤器滤材、空气过滤包以及空气过滤器单元 |
Family Cites Families (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3105824A (en) | 1960-05-03 | 1963-10-01 | Du Pont | Aqueous fluorocarbon telomer dispersion and process of preparing same |
| US3245972A (en) | 1962-06-21 | 1966-04-12 | Du Pont | Polytetrafluoroethylene molding powder and its preparation |
| ES404938A1 (es) | 1971-07-22 | 1975-06-16 | Hoechst Ag | Procedimiento para la obtencion de ceras fluorocarbonadas. |
| US3956000A (en) | 1972-07-21 | 1976-05-11 | Hoechst Aktiengesellschaft | Fluorocarbon waxes and process for producing them |
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| US7176265B2 (en) * | 2002-11-22 | 2007-02-13 | E. I. Du Pont De Nemours And Company | Directly polymerized low molecular weight granular polytetrafluoroethylene |
-
2003
- 2003-10-15 US US10/685,789 patent/US7176265B2/en not_active Expired - Fee Related
- 2003-11-20 AU AU2003302666A patent/AU2003302666A1/en not_active Abandoned
- 2003-11-20 EP EP03812447A patent/EP1562995A1/en not_active Withdrawn
- 2003-11-20 JP JP2004557288A patent/JP2006509072A/ja active Pending
- 2003-11-20 CN CNB2003801037253A patent/CN1326893C/zh not_active Expired - Fee Related
- 2003-11-20 CN CNA2007100966144A patent/CN101029104A/zh active Pending
- 2003-11-20 WO PCT/US2003/037669 patent/WO2004050727A1/en not_active Ceased
-
2006
- 2006-09-20 US US11/523,886 patent/US20070015889A1/en not_active Abandoned
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010202741A (ja) * | 2009-03-02 | 2010-09-16 | Daikin Ind Ltd | 低分子量ポリテトラフルオロエチレン粉末及びその製造方法、低分子量ポリテトラフルオロエチレンゲル化粉末、並びに定着部材用塗料 |
| WO2010114033A1 (ja) | 2009-03-31 | 2010-10-07 | ダイキン工業株式会社 | 低分子量ポリテトラフルオロエチレン粉末及びその製造方法 |
| US8754176B2 (en) | 2009-03-31 | 2014-06-17 | Daikin Industries, Ltd. | Low molecular weight polytetrafluoroethylene powder and preparation method therefor |
| JP2013111160A (ja) * | 2011-11-28 | 2013-06-10 | Fujifilm Corp | 内視鏡 |
| US9718930B2 (en) | 2013-02-05 | 2017-08-01 | Asahi Glass Company, Limited | Process for producing polytetrafluoroethylene molding powder and process for producing polytetrafluoroethylene agglomerated product |
| JPWO2014123075A1 (ja) * | 2013-02-05 | 2017-02-02 | 旭硝子株式会社 | ポリテトラフルオロエチレンモールディングパウダーの製造方法およびポリテトラフルオロエチレン造粒物の製造方法 |
| WO2014123075A1 (ja) * | 2013-02-05 | 2014-08-14 | 旭硝子株式会社 | ポリテトラフルオロエチレンモールディングパウダーの製造方法およびポリテトラフルオロエチレン造粒物の製造方法 |
| WO2019098202A1 (ja) * | 2017-11-16 | 2019-05-23 | Ａｇｃ株式会社 | 樹脂パウダーの製造方法、樹脂パウダーおよび積層体の製造方法 |
| KR20200078471A (ko) * | 2017-11-16 | 2020-07-01 | 에이지씨 가부시키가이샤 | 수지 파우더의 제조 방법, 수지 파우더 및 적층체의 제조 방법 |
| JPWO2019098202A1 (ja) * | 2017-11-16 | 2020-12-03 | Ａｇｃ株式会社 | 樹脂パウダーの製造方法、樹脂パウダーおよび積層体の製造方法 |
| JP7205487B2 (ja) | 2017-11-16 | 2023-01-17 | Ａｇｃ株式会社 | 樹脂パウダーの製造方法、樹脂パウダーおよび積層体の製造方法 |
| KR102673931B1 (ko) | 2017-11-16 | 2024-06-10 | 에이지씨 가부시키가이샤 | 수지 파우더의 제조 방법, 수지 파우더 및 적층체의 제조 방법 |
| JP2023501048A (ja) * | 2019-09-17 | 2023-01-18 | グジャラート フルオロケミカルズ リミテッド | 低分子量ポリテトラフルオロエチレン微粉末及びその調製方法 |
| 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 |
| JP7673095B2 (ja) | 2020-05-26 | 2025-05-08 | ゼウス カンパニー エルエルシー | 熱機械的に分解されたｐｔｆｅからの微粒子 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2004050727A8 (en) | 2004-10-21 |
| US7176265B2 (en) | 2007-02-13 |
| CN101029104A (zh) | 2007-09-05 |
| AU2003302666A1 (en) | 2004-06-23 |
| EP1562995A1 (en) | 2005-08-17 |
| US20070015889A1 (en) | 2007-01-18 |
| WO2004050727A1 (en) | 2004-06-17 |
| US20050182216A1 (en) | 2005-08-18 |
| CN1714109A (zh) | 2005-12-28 |
| CN1326893C (zh) | 2007-07-18 |
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