KR20180014160A - 폴리이미드 전구체의 재료 압출 방식의 적층 가공법 - Google Patents

폴리이미드 전구체의 재료 압출 방식의 적층 가공법 Download PDF

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Publication number
KR20180014160A
KR20180014160A KR1020187000209A KR20187000209A KR20180014160A KR 20180014160 A KR20180014160 A KR 20180014160A KR 1020187000209 A KR1020187000209 A KR 1020187000209A KR 20187000209 A KR20187000209 A KR 20187000209A KR 20180014160 A KR20180014160 A KR 20180014160A
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South Korea
Prior art keywords
precursor
polyimide
precursor compound
precursor solution
bisanhydride
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Withdrawn
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KR1020187000209A
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English (en)
Korean (ko)
Inventor
비스와나탄 칼야나라만
에릭 토이추
토마스 호커
브라이언 프라이스
Original Assignee
사빅 글로벌 테크놀러지스 비.브이.
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Publication of KR20180014160A publication Critical patent/KR20180014160A/ko
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y10/00—Processes of additive manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • B29C64/118—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/205—Means for applying layers
    • B29C64/209—Heads; Nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y70/00—Materials specially adapted for additive manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y70/00—Materials specially adapted for additive manufacturing
    • B33Y70/10—Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1003—Preparatory processes
    • C08G73/1007—Preparatory processes from tetracarboxylic acids or derivatives and diamines
    • C08G73/1028—Preparatory processes from tetracarboxylic acids or derivatives and diamines characterised by the process itself, e.g. steps, continuous
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1003—Preparatory processes
    • C08G73/1007—Preparatory processes from tetracarboxylic acids or derivatives and diamines
    • C08G73/1028—Preparatory processes from tetracarboxylic acids or derivatives and diamines characterised by the process itself, e.g. steps, continuous
    • C08G73/1032—Preparatory processes from tetracarboxylic acids or derivatives and diamines characterised by the process itself, e.g. steps, continuous characterised by the solvent(s) used
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1046—Polyimides containing oxygen in the form of ether bonds in the main chain
    • C08G73/1053—Polyimides containing oxygen in the form of ether bonds in the main chain with oxygen only in the tetracarboxylic moiety
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1057—Polyimides containing other atoms than carbon, hydrogen, nitrogen or oxygen in the main chain
    • C08G73/106—Polyimides containing other atoms than carbon, hydrogen, nitrogen or oxygen in the main chain containing silicon
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1057—Polyimides containing other atoms than carbon, hydrogen, nitrogen or oxygen in the main chain
    • C08G73/1064—Polyimides containing other atoms than carbon, hydrogen, nitrogen or oxygen in the main chain containing sulfur
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1067—Wholly aromatic polyimides, i.e. having both tetracarboxylic and diamino moieties aromatically bound
    • C08G73/1071—Wholly aromatic polyimides containing oxygen in the form of ether bonds in the main chain
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
    • C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • 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
    • B29K2079/00—Use of polymers having nitrogen, with or without oxygen or carbon only, in the main chain, not provided for in groups B29K2061/00 - B29K2077/00, as moulding material
    • B29K2079/08—PI, i.e. polyimides or derivatives thereof

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)
  • Ceramic Engineering (AREA)
  • Civil Engineering (AREA)
  • Composite Materials (AREA)
  • Structural Engineering (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
KR1020187000209A 2015-06-03 2016-06-02 폴리이미드 전구체의 재료 압출 방식의 적층 가공법 Withdrawn KR20180014160A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562170423P 2015-06-03 2015-06-03
US62/170,423 2015-06-03
PCT/IB2016/053246 WO2016193933A1 (en) 2015-06-03 2016-06-02 Material extrusion additive manufacturing of polyimide precursor

Publications (1)

Publication Number Publication Date
KR20180014160A true KR20180014160A (ko) 2018-02-07

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Application Number Title Priority Date Filing Date
KR1020187000209A Withdrawn KR20180014160A (ko) 2015-06-03 2016-06-02 폴리이미드 전구체의 재료 압출 방식의 적층 가공법

Country Status (6)

Country Link
US (1) US20180147773A1 (https=)
EP (1) EP3302938A1 (https=)
JP (1) JP6628814B2 (https=)
KR (1) KR20180014160A (https=)
CN (1) CN107848197A (https=)
WO (1) WO2016193933A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019151827A1 (ko) 2018-02-05 2019-08-08 한국과학기술원 빌리루빈 유도체 기반의 진단 및 치료용 초음파 조영제

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015134316A1 (en) * 2014-03-06 2015-09-11 Sabic Global Technologies B.V. Additive manufactured items with flame resistance, process for making and process for testing their flame performance
JP6685200B2 (ja) * 2016-08-09 2020-04-22 株式会社ミマキエンジニアリング 三次元造形装置
WO2018158439A1 (en) * 2017-03-02 2018-09-07 Bond High Performance 3D Technology B.V. Three-dimensional modeling system and method
WO2019130312A2 (en) * 2017-12-28 2019-07-04 Stratasys Ltd. Additive manufacturing employing solvent-free polyimide-containing formulations
WO2019130310A1 (en) * 2017-12-28 2019-07-04 Stratasys Ltd. Additive manufacturing employing polyimide-containing formulations
JP7249803B2 (ja) * 2018-03-30 2023-03-31 株式会社カネカ 重合体製造システム及び製造方法
JP7249802B2 (ja) * 2018-03-30 2023-03-31 株式会社カネカ 重合体製造システム及び製造方法
JP7249801B2 (ja) * 2018-03-30 2023-03-31 株式会社カネカ ポリアミック酸製造システム及び製造方法、並びにポリイミド製造システム及び製造方法
CN110408202B (zh) * 2018-04-27 2020-10-27 中国科学院化学研究所 一种用于熔融沉积成形的热固性组合物及其制备得到的制品和制法
JP7349239B2 (ja) * 2018-10-03 2023-09-22 株式会社カネカ 重合体製造システム及び重合体の製造方法
JP7336302B2 (ja) * 2019-07-31 2023-08-31 株式会社カネカ 重合体製造システム及び製造方法
US20210078257A1 (en) * 2019-09-18 2021-03-18 Triex, Llc System and method for additive manufacturing
GB2606780A (en) * 2021-09-27 2022-11-23 E3D Online Ltd Nozzle
GB202204825D0 (en) 2021-05-19 2022-05-18 E3D Online Ltd Nozzle
US12403653B2 (en) 2023-04-21 2025-09-02 Dyze Design Extruder head assembly for additive manufacturing machines
US20250084265A1 (en) * 2023-09-13 2025-03-13 Lawrence Livermore National Security, Llc Direct ink write additive manufacturing of thermoplastic polymers and thermoplastic polymer composites at ambient conditions
KR20250179975A (ko) * 2024-06-24 2025-12-31 (주)유니테크쓰리디피 조형물을 형성하는 유동 흐름에 대한 정교한 제어를 구현한 다중-상 3d 프린팅 장치

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3301197A1 (de) * 1983-01-15 1984-07-19 Akzo Gmbh, 5600 Wuppertal Polyimid-laminate mit hoher schaelfestigkeit
TW252125B (https=) * 1991-08-28 1995-07-21 Yunichica Kk
JP3021979B2 (ja) * 1991-08-28 2000-03-15 ユニチカ株式会社 ポリイミド前駆体溶液、その製造方法、それから得られる成形体及び被覆物
US6322728B1 (en) * 1998-07-10 2001-11-27 Jeneric/Pentron, Inc. Mass production of dental restorations by solid free-form fabrication methods
US7314591B2 (en) * 2001-05-11 2008-01-01 Stratasys, Inc. Method for three-dimensional modeling
US20020113331A1 (en) * 2000-12-20 2002-08-22 Tan Zhang Freeform fabrication method using extrusion of non-cross-linking reactive prepolymers
JP4132825B2 (ja) * 2002-01-10 2008-08-13 日東電工株式会社 金属箔積層体及びその製造方法
US7625200B2 (en) * 2007-07-31 2009-12-01 Stratasys, Inc. Extrusion head for use in extrusion-based layered deposition modeling
US9744722B2 (en) * 2012-11-21 2017-08-29 Stratasys, Inc. Additive manufacturing with polyamide consumable materials
US9592530B2 (en) * 2012-11-21 2017-03-14 Stratasys, Inc. Additive manufacturing with polyamide consumable materials
US9527242B2 (en) * 2012-11-21 2016-12-27 Stratasys, Inc. Method for printing three-dimensional parts wtih crystallization kinetics control
JP5846136B2 (ja) * 2013-01-31 2016-01-20 富士ゼロックス株式会社 ポリイミド前駆体組成物、及びポリイミド前駆体組成物の製造方法
CA3121870A1 (en) * 2013-03-22 2014-09-25 Markforged, Inc. Three dimensional printing
EP4235273B1 (en) * 2013-07-31 2026-01-28 Essilor International Additive manufacturing processes for transparent ophthalmic lens
CN103980489B (zh) * 2014-04-30 2018-08-31 中国科学院化学研究所 一种低熔体黏度热塑性聚酰亚胺材料及其3d打印成型方法
CN104407409B (zh) * 2014-05-31 2017-01-11 福州大学 一种动态液晶光栅的3d打印方法
CN105313332B (zh) * 2014-06-09 2020-05-05 联合工艺公司 由两部分组成的热固性树脂增材制造系统
CN104228067A (zh) * 2014-07-23 2014-12-24 中国科学院重庆绿色智能技术研究院 一种溶液固化快速成型制造方法
WO2016061060A1 (en) * 2014-10-16 2016-04-21 Dow Global Technologies Llc Method for additive manufacturing
EP3224028A4 (en) * 2014-11-27 2018-07-18 Georgia-Pacific Chemicals LLC Thixotropic, thermosetting resins for use in a material extrusion process in additive manufacturing
CN105818369B (zh) * 2015-01-05 2019-06-14 三纬国际立体列印科技股份有限公司 立体打印机喷头
US10688770B2 (en) * 2015-03-03 2020-06-23 Ricoh Co., Ltd. Methods for solid freeform fabrication

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019151827A1 (ko) 2018-02-05 2019-08-08 한국과학기술원 빌리루빈 유도체 기반의 진단 및 치료용 초음파 조영제

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JP6628814B2 (ja) 2020-01-15
EP3302938A1 (en) 2018-04-11
JP2018519186A (ja) 2018-07-19
US20180147773A1 (en) 2018-05-31
CN107848197A (zh) 2018-03-27
WO2016193933A1 (en) 2016-12-08

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Patent event date: 20180103

Patent event code: PA01051R01D

Comment text: International Patent Application

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