JP2006509072A5 - - Google Patents
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- Publication number
- JP2006509072A5 JP2006509072A5 JP2004557288A JP2004557288A JP2006509072A5 JP 2006509072 A5 JP2006509072 A5 JP 2006509072A5 JP 2004557288 A JP2004557288 A JP 2004557288A JP 2004557288 A JP2004557288 A JP 2004557288A JP 2006509072 A5 JP2006509072 A5 JP 2006509072A5
- Authority
- JP
- Japan
- Prior art keywords
- polytetrafluoroethylene
- less
- low molecular
- molecular weight
- 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.)
- Pending
Links
- -1 polytetrafluoroethylene Polymers 0.000 claims description 56
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 56
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 56
- 239000000843 powder Substances 0.000 claims description 34
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 239000002245 particle Substances 0.000 claims description 16
- 230000003797 telogen phase Effects 0.000 claims description 14
- 238000006116 polymerization reaction Methods 0.000 claims description 8
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 5
- 239000000155 melt Substances 0.000 claims description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 2
- 239000005977 Ethylene Substances 0.000 claims description 2
- 239000012736 aqueous medium Substances 0.000 claims description 2
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical group FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 claims description 2
- 239000003999 initiator Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000000379 polymerizing effect Effects 0.000 claims description 2
- 150000003254 radicals Chemical class 0.000 claims description 2
- 238000010557 suspension polymerization reaction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 19
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 9
- 239000000654 additive Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
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 JP2006509072A (ja) | 2006-03-16 |
| JP2006509072A5 true 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=) |
Families Citing this family (28)
| 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 |
| JP5697308B2 (ja) * | 2009-03-02 | 2015-04-08 | 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、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 |
| CN102369221B (zh) * | 2009-03-31 | 2014-03-12 | 大金工业株式会社 | 低分子量聚四氟乙烯粉末及其制造方法 |
| 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 |
| JP5527904B2 (ja) * | 2011-11-28 | 2014-06-25 | 富士フイルム株式会社 | 内視鏡 |
| 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 |
| JP6256355B2 (ja) * | 2013-02-05 | 2018-01-10 | 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| CA3175483A1 (en) * | 2020-05-26 | 2021-12-02 | Zeus Company Inc. | Microparticles from thermomechanically degraded ptfe |
| 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 |
| US3855191A (en) | 1973-04-04 | 1974-12-17 | Du Pont | Polytetrafluoroethylene molding powders of tetrafluoroethylene and perfluoro (alkyl vinyl ether) copolymer |
| JPS5141085A (ja) | 1974-10-05 | 1976-04-06 | Daikin Ind Ltd | Tetorafuruoruechirenwatsukusuno seizoho |
| DE2523569C3 (de) * | 1975-05-28 | 1980-08-07 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Polymerisation von Tetrafluoräthylen nach dem Suspensionsverfahren |
| JPS5246993A (en) | 1975-10-09 | 1977-04-14 | Glory Ltd | Coin packing machine |
| DE2639109A1 (de) * | 1976-08-31 | 1978-03-09 | Hoechst Ag | Copolymerisate des tetrafluoraethylens und verfahren zu deren herstellung |
| 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 |
| JPS5722043A (en) | 1980-07-15 | 1982-02-04 | Nippon Catalytic Chem Ind | Cylindrical body in fiber reinforced thermosetting resin andits manufacture |
| US4487902A (en) * | 1981-08-06 | 1984-12-11 | E. I. Du Pont De Nemours And Company | Polymer of TFE and f-alkyl ethylene |
| US4360618A (en) | 1981-11-19 | 1982-11-23 | Monsanto Company | Low acrylonitrile content styrene-acrylonitrile polymers blended with polyphenylene oxide |
| JPS59117503A (ja) * | 1982-12-24 | 1984-07-06 | Kureha Chem Ind Co Ltd | 新規な含フツ素単量体の製造法 |
| US4703095A (en) * | 1983-02-01 | 1987-10-27 | Daiken Kogyo Co., Ltd. | Fluorine-containing copolymer |
| JPS59166516A (ja) * | 1983-02-01 | 1984-09-19 | Daikin Ind Ltd | 含フツ素共重合体 |
| JPH075744B2 (ja) | 1990-05-14 | 1995-01-25 | ダイキン工業株式会社 | ポリテトラフルオロエチレン粉末の製法 |
| DE4331971A1 (de) | 1993-09-21 | 1995-03-23 | Hoechst Ag | Polytetrafluorethylen-Mikropulver, ihre Herstellung und Verwendung |
| DE4332712A1 (de) * | 1993-09-25 | 1995-03-30 | Hoechst Ag | Verfahren zur Herstellung eines modifizierten Polytetrafluorethylens und seine Verwendung |
| JPH07126329A (ja) * | 1993-10-29 | 1995-05-16 | Nippon Mektron Ltd | テトラフルオロエチレン−パーフルオロビニルエ−テル共重合体 |
| DE69513392T2 (de) | 1994-03-02 | 2000-06-29 | E.I. Du Pont De Nemours And Co., Wilmington | Abkreide- und verschleissfeste trennbeschichtung |
| US5405923A (en) | 1994-05-02 | 1995-04-11 | E. I Du Pont De Nemours And Company | Suspension polymerization of TFE |
| 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 |
| US5760151A (en) * | 1995-08-17 | 1998-06-02 | E. I. Du Pont De Nemours And Company | Tetrafluoroethylene copolymer |
| US6037402A (en) * | 1995-10-27 | 2000-03-14 | Daikin Industries, Ltd. | Granular powder of filled polytetrafluoroethylene and process for the production thereof |
| US5936060A (en) * | 1996-11-25 | 1999-08-10 | E. I. Du Pont De Nemours And Company | Perfluoroelastomer composition having improved processability |
| US6747108B1 (en) * | 1998-07-13 | 2004-06-08 | Daikin Industries, Ltd. | Modified polytetrafluoroethylene fine powder and process for preparing the same |
| JP5082180B2 (ja) | 1999-11-16 | 2012-11-28 | ダイキン工業株式会社 | 含フッ素共重合体 |
| JP2002003514A (ja) | 2000-06-19 | 2002-01-09 | Du Pont Mitsui Fluorochem Co Ltd | テトラフルオロエチレン・パーフルオロ（アルキルビニルエーテル）共重合体の製造方法 |
| US6703464B2 (en) * | 2002-01-17 | 2004-03-09 | Daikin America, Inc. | Flourine-containing copolymer |
| 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
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