CN115366293A - 从氟树脂中去除金属异物的方法和减少了金属异物的氟树脂的制造方法 - Google Patents

从氟树脂中去除金属异物的方法和减少了金属异物的氟树脂的制造方法 Download PDF

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Publication number
CN115366293A
CN115366293A CN202110549939.3A CN202110549939A CN115366293A CN 115366293 A CN115366293 A CN 115366293A CN 202110549939 A CN202110549939 A CN 202110549939A CN 115366293 A CN115366293 A CN 115366293A
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CN
China
Prior art keywords
fluororesin
foreign matter
metal foreign
metal
removing metal
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
Application number
CN202110549939.3A
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English (en)
Chinese (zh)
Inventor
宫本政佳
栴檀博幸
广田幸一
川守田信
不破恒彦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daikin Fluorochemicals China Co Ltd
Daikin Industries Ltd
Original Assignee
Daikin Fluorochemicals China Co Ltd
Daikin Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Daikin Fluorochemicals China Co Ltd, Daikin Industries Ltd filed Critical Daikin Fluorochemicals China Co Ltd
Priority to CN202110549939.3A priority Critical patent/CN115366293A/zh
Priority to JP2023522676A priority patent/JP7603157B2/ja
Priority to PCT/JP2022/020540 priority patent/WO2022244774A1/ja
Priority to EP22804685.0A priority patent/EP4342916A4/en
Priority to CN202280033892.8A priority patent/CN117295773A/zh
Priority to TW111118708A priority patent/TW202307103A/zh
Publication of CN115366293A publication Critical patent/CN115366293A/zh
Priority to US18/507,699 priority patent/US12420290B2/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/30—Combinations with other devices, not otherwise provided for
    • 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
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/32—Magnetic separation acting on the medium containing the substance being separated, e.g. magneto-gravimetric-, magnetohydrostatic-, or magnetohydrodynamic separation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/025—High gradient magnetic separators
    • B03C1/031—Component parts; Auxiliary operations
    • B03C1/033—Component parts; Auxiliary operations characterised by the magnetic circuit
    • B03C1/0335—Component parts; Auxiliary operations characterised by the magnetic circuit using coils
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/26—Magnetic separation acting directly on the substance being separated with free falling material
    • 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
    • C08F6/02—Neutralisation of the polymerisation mass, e.g. killing the catalyst also removal of catalyst residues
    • 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
    • C08F6/26—Treatment of polymers prepared in bulk also solid polymers or polymer melts
    • C08F6/28—Purification
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C2201/00—Details of magnetic or electrostatic separation
    • B03C2201/20—Magnetic separation of bulk or dry particles in mixtures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C2201/00—Details of magnetic or electrostatic separation
    • B03C2201/22—Details of magnetic or electrostatic separation characterised by the magnetic field, e.g. its shape or generation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C2201/00—Details of magnetic or electrostatic separation
    • B03C2201/28—Parts being designed to be removed for cleaning purposes
    • 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
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B29B2017/0213—Specific separating techniques
    • B29B2017/0217—Mechanical separating techniques; devices therefor
    • B29B2017/0224—Screens, sieves
    • 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
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B29B2017/0213—Specific separating techniques
    • B29B2017/0268—Separation of metals
    • B29B2017/0272—Magnetic separation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
    • B29K2027/16—PVDF, i.e. polyvinylidene fluoride
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
    • B29K2027/18—PTFE, i.e. polytetrafluoroethylene, e.g. ePTFE, i.e. expanded polytetrafluoroethylene
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
CN202110549939.3A 2021-05-20 2021-05-20 从氟树脂中去除金属异物的方法和减少了金属异物的氟树脂的制造方法 Pending CN115366293A (zh)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CN202110549939.3A CN115366293A (zh) 2021-05-20 2021-05-20 从氟树脂中去除金属异物的方法和减少了金属异物的氟树脂的制造方法
JP2023522676A JP7603157B2 (ja) 2021-05-20 2022-05-17 フッ素樹脂からの金属異物の除去方法及び金属異物が低減されたフッ素樹脂の製造方法
PCT/JP2022/020540 WO2022244774A1 (ja) 2021-05-20 2022-05-17 フッ素樹脂からの金属異物の除去方法及び金属異物が低減されたフッ素樹脂の製造方法
EP22804685.0A EP4342916A4 (en) 2021-05-20 2022-05-17 METHOD FOR REMOVING FOREIGN METAL BODY FROM FLUORINATED RESIN AND METHOD FOR PRODUCING FLUORINATED RESIN WITH LOW FOREIGN METAL BODY CONTENT
CN202280033892.8A CN117295773A (zh) 2021-05-20 2022-05-17 从氟树脂除去金属异物的方法和减少了金属异物的氟树脂的制造方法
TW111118708A TW202307103A (zh) 2021-05-20 2022-05-19 自氟樹脂去除金屬異物之方法、及減少了金屬異物之氟樹脂之製造方法
US18/507,699 US12420290B2 (en) 2021-05-20 2023-11-13 Method for removing metallic foreign matter from fluororesin and method for producing fluororesin with reduced metallic foreign matter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110549939.3A CN115366293A (zh) 2021-05-20 2021-05-20 从氟树脂中去除金属异物的方法和减少了金属异物的氟树脂的制造方法

Publications (1)

Publication Number Publication Date
CN115366293A true CN115366293A (zh) 2022-11-22

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CN202110549939.3A Pending CN115366293A (zh) 2021-05-20 2021-05-20 从氟树脂中去除金属异物的方法和减少了金属异物的氟树脂的制造方法
CN202280033892.8A Pending CN117295773A (zh) 2021-05-20 2022-05-17 从氟树脂除去金属异物的方法和减少了金属异物的氟树脂的制造方法

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CN202280033892.8A Pending CN117295773A (zh) 2021-05-20 2022-05-17 从氟树脂除去金属异物的方法和减少了金属异物的氟树脂的制造方法

Country Status (6)

Country Link
US (1) US12420290B2 (https=)
EP (1) EP4342916A4 (https=)
JP (1) JP7603157B2 (https=)
CN (2) CN115366293A (https=)
TW (1) TW202307103A (https=)
WO (1) WO2022244774A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117358415A (zh) * 2023-11-03 2024-01-09 宜章弘源化工有限责任公司 铁矿石筛分用磁选装置

Family Cites Families (18)

* Cited by examiner, † Cited by third party
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US2062545A (en) * 1933-01-14 1936-12-01 Feldspathic Res Corp Apparatus for magnetic separation
JPS587659B2 (ja) 1977-11-18 1983-02-10 三井フロロケミカル株式会社 含フッ素樹脂粉末から混入異物を除去する方法
US4778594A (en) * 1986-07-24 1988-10-18 The University Of Chicago (Arch Development Corp.) Apparatus for magnetic separation of paramagnetic and diamagnetic material
JP2926919B2 (ja) * 1990-07-17 1999-07-28 三菱瓦斯化学株式会社 永久磁石式ロールセパレータ
US5333797A (en) * 1992-04-03 1994-08-02 Becker John C Commingled recyclables recovery and recycling process and related apparatuses
JP3993797B2 (ja) * 2001-07-06 2007-10-17 株式会社日本触媒 吸水性樹脂粉末、その製造方法およびその用途
US6716894B2 (en) 2001-07-06 2004-04-06 Nippon Shokubai Co., Ltd. Water-absorbent resin powder and its production process and uses
KR20050030203A (ko) 2002-07-24 2005-03-29 아사히 가라스 가부시키가이샤 연속식 수지 회수 장치 및 회수 방법
JP2005021761A (ja) 2003-06-30 2005-01-27 Sumitomo Bakelite Co Ltd 不純物の除去装置
JP4108021B2 (ja) * 2003-08-21 2008-06-25 ダイセル化学工業株式会社 プラスチック混合物の分別処理システム
JP4293360B2 (ja) 2004-03-18 2009-07-08 エア・ウォーター株式会社 熱硬化性樹脂の異物除去方法及び装置
JP2012511602A (ja) * 2008-12-12 2012-05-24 ビーエーエスエフ ソシエタス・ヨーロピア 金属不純物を分離する方法
JP5218294B2 (ja) * 2009-06-24 2013-06-26 住友ベークライト株式会社 磁性金属異物の捕捉装置、捕捉システムおよび捕捉方法
WO2011078334A1 (ja) * 2009-12-24 2011-06-30 出光興産株式会社 廃棄光ディスク及び／又は回収光ディスクからのポリカーボネート樹脂の回収方法、並びに難燃性ポリカーボネート樹脂組成物、射出成形体及び光学成形品
JP5551662B2 (ja) * 2011-08-23 2014-07-16 旭化成ケミカルズ株式会社 ポリアセタールの製造方法
JP2016176802A (ja) * 2015-03-19 2016-10-06 株式会社クレハ 金属異物の回収方法および重合体の金属異物検査方法
JP6574115B2 (ja) 2015-08-12 2019-09-11 宇部興産株式会社 選別装置
JP2022059133A (ja) 2020-10-01 2022-04-13 株式会社三洋物産 遊技機

Also Published As

Publication number Publication date
JP7603157B2 (ja) 2024-12-19
US12420290B2 (en) 2025-09-23
TW202307103A (zh) 2023-02-16
EP4342916A1 (en) 2024-03-27
EP4342916A4 (en) 2024-11-20
WO2022244774A1 (ja) 2022-11-24
JPWO2022244774A1 (https=) 2022-11-24
CN117295773A (zh) 2023-12-26
US20240075481A1 (en) 2024-03-07

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Application publication date: 20221122