JP7603157B2 - 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 - Google Patents

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 Download PDF

Info

Publication number
JP7603157B2
JP7603157B2 JP2023522676A JP2023522676A JP7603157B2 JP 7603157 B2 JP7603157 B2 JP 7603157B2 JP 2023522676 A JP2023522676 A JP 2023522676A JP 2023522676 A JP2023522676 A JP 2023522676A JP 7603157 B2 JP7603157 B2 JP 7603157B2
Authority
JP
Japan
Prior art keywords
fluororesin
foreign matter
metallic foreign
screen
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.)
Active
Application number
JP2023522676A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2022244774A5 (https=
JPWO2022244774A1 (https=
Inventor
政佳 宮本
博幸 栴檀
幸一 廣田
信 川守田
恒彦 不破
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
Original Assignee
Daikin Fluorochemicals China Co 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 filed Critical Daikin Fluorochemicals China Co Ltd
Publication of JPWO2022244774A1 publication Critical patent/JPWO2022244774A1/ja
Publication of JPWO2022244774A5 publication Critical patent/JPWO2022244774A5/ja
Application granted granted Critical
Publication of JP7603157B2 publication Critical patent/JP7603157B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B03C1/30—Combinations with other devices, not otherwise provided for
    • 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
    • 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
    • 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

Landscapes

  • 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)
JP2023522676A 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 Active JP7603157B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN202110549939.3 2021-05-20
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
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

Publications (3)

Publication Number Publication Date
JPWO2022244774A1 JPWO2022244774A1 (https=) 2022-11-24
JPWO2022244774A5 JPWO2022244774A5 (https=) 2023-12-11
JP7603157B2 true JP7603157B2 (ja) 2024-12-19

Family

ID=84058672

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023522676A Active 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

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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003137922A (ja) 2001-07-06 2003-05-14 Nippon Shokubai Co Ltd 吸水性樹脂粉末、その製造方法およびその用途
JP2005066952A (ja) 2003-08-21 2005-03-17 Daicel Chem Ind Ltd プラスチック混合物の分別処理システム
JP2013043911A (ja) 2011-08-23 2013-03-04 Asahi Kasei Chemicals Corp ポリアセタールの製造方法
JP2017035670A (ja) 2015-08-12 2017-02-16 宇部興産株式会社 選別装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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
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
JP2022059133A (ja) 2020-10-01 2022-04-13 株式会社三洋物産 遊技機

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003137922A (ja) 2001-07-06 2003-05-14 Nippon Shokubai Co Ltd 吸水性樹脂粉末、その製造方法およびその用途
JP2005066952A (ja) 2003-08-21 2005-03-17 Daicel Chem Ind Ltd プラスチック混合物の分別処理システム
JP2013043911A (ja) 2011-08-23 2013-03-04 Asahi Kasei Chemicals Corp ポリアセタールの製造方法
JP2017035670A (ja) 2015-08-12 2017-02-16 宇部興産株式会社 選別装置

Also Published As

Publication number Publication date
US12420290B2 (en) 2025-09-23
TW202307103A (zh) 2023-02-16
EP4342916A1 (en) 2024-03-27
CN115366293A (zh) 2022-11-22
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

Similar Documents

Publication Publication Date Title
JP7603157B2 (ja) 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
CN1079807C (zh) 改性聚四氟乙烯粒状粉末的制法
JP5700474B2 (ja) 混合物の分離方法及び分離装置
JP5787591B2 (ja) 異物除去装置及び異物除去方法並びに酸化ウランペレット及び燃料集合体の製造方法
CN118874270A (zh) 一种耐火材料加工用配料混合设备
JP5280626B2 (ja) 非磁性金属酸化物粉末における着磁性粒子の個数測定方法
JP5243803B2 (ja) 磁場および磁場傾斜改善ろ過用装置
CN117282540A (zh) 一种气固/液固中磁性颗粒的分离装置及方法
CN209866605U (zh) 一种粉末冶金颗粒震荡分级装置
JP2010042347A (ja) 磁性金属異物の除去方法及び磁性金属異物の除去装置
WO1997011111A1 (en) Filled polytetrafluoroethylene granular powder and process for the production thereof
CN113369013A (zh) 一种铁精粉磁选设备
JP4953042B2 (ja) 磁性体異物除去装置
JP7574201B2 (ja) アクリロニトリル－ブタジエン－スチレンから物品を形成する方法
JP4301369B2 (ja) 磁石体及びその磁石体を用いた箱又は磁選機
JP2024125696A (ja) 磁性物除去装置
JP4760781B2 (ja) 磁性金属異物の捕捉方法及び磁性金属異物の捕捉装置並びに被処理物の検査方法
CN117565422B (zh) 一种高纯气液储存设备用含氟衬里材料高效制备方法
CN219291647U (zh) 一种用于正极材料的电磁除铁装置及除铁设备
JP7542433B2 (ja) 石英ガラス原料粉の磁性体粉除去装置、及びこの磁性体粉除去装置を用いた磁性体粉除去方法
OHTA et al. Effects of ultrasound on behavior of fine solid particles in a solid-liquid mixture (Horizontal irradiation in a stationary solid-liquid mixture)
RU2720008C1 (ru) Способ вакуумной термической дегазации гранул жаропрочных, титановых сплавов и сталей в подвижном слое и устройство
JPS58145623A (ja) 磁性流体の精製方法
JP2024121945A (ja) 磁気装置
JP6580547B2 (ja) 振動式検査機

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20231010

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20231010

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20231010

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20231128

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20231129

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20240206

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20240501

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20240705

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20241112

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20241209

R150 Certificate of patent or registration of utility model

Ref document number: 7603157

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150