CA3217715A1 - A method for producing a three-dimensional printed article - Google Patents

A method for producing a three-dimensional printed article Download PDF

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Publication number
CA3217715A1
CA3217715A1 CA3217715A CA3217715A CA3217715A1 CA 3217715 A1 CA3217715 A1 CA 3217715A1 CA 3217715 A CA3217715 A CA 3217715A CA 3217715 A CA3217715 A CA 3217715A CA 3217715 A1 CA3217715 A1 CA 3217715A1
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CA
Canada
Prior art keywords
parts
weight
group
chosen
mol
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
CA3217715A
Other languages
English (en)
French (fr)
Inventor
Jean-Marc Frances
Remi Thiria
Matthew KIHARA
Brian Price
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.)
Elkem Silicones France SAS
Elkem Silicones USA Corp
Original Assignee
Elkem Silicones France SAS
Elkem Silicones USA Corp
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 Elkem Silicones France SAS, Elkem Silicones USA Corp filed Critical Elkem Silicones France SAS
Publication of CA3217715A1 publication Critical patent/CA3217715A1/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive 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
    • B29C64/10Processes of additive manufacturing
    • B29C64/106Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive 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
    • B29C64/10Processes of additive manufacturing
    • B29C64/106Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • B29C64/124Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
    • B29C64/129Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive 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
    • B29C64/30Auxiliary operations or equipment
    • B29C64/307Handling of material to be used in additive manufacturing
    • B29C64/314Preparation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive 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
    • B29C64/10Processes of additive manufacturing
    • B29C64/106Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • B29C64/124Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive 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
    • B29C64/20Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/245Platforms or substrates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive 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
    • B29C64/20Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/264Arrangements for irradiation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE 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
    • B33Y10/00Processes of additive manufacturing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE 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
    • B33Y30/00Apparatus for additive manufacturing; Details thereof or accessories therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE 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
    • B33Y40/00Auxiliary operations or equipment, e.g. for material handling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE 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
    • B33Y70/00Materials specially adapted for additive manufacturing
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/113Silicon oxides; Hydrates thereof
    • C01B33/12Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/14Colloidal silica, e.g. dispersions, gels, sols
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04Polysiloxanes
    • C08L83/06Polysiloxanes containing silicon bound to oxygen-containing groups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2033/00Use of polymers of unsaturated acids or derivatives thereof as moulding material
    • B29K2033/04Polymers of esters
    • B29K2033/08Polymers of acrylic acid esters, e.g. PMA, i.e. polymethylacrylate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2083/00Use of polymers having silicon, with or without sulfur, nitrogen, oxygen, or carbon only, in the main chain, as moulding material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0094Condition, form or state of moulded material or of the material to be shaped having particular viscosity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/16Fillers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2509/00Use of inorganic materials not provided for in groups B29K2503/00 - B29K2507/00, as filler
    • B29K2509/02Ceramics
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2995/00Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037Other properties
    • B29K2995/0088Molecular weight
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04Polysiloxanes
    • C08G77/20Polysiloxanes containing silicon bound to unsaturated aliphatic groups
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2312/00Crosslinking
    • C08L2312/06Crosslinking by radiation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Toxicology (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
CA3217715A 2021-05-12 2022-05-11 A method for producing a three-dimensional printed article Pending CA3217715A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202163187628P 2021-05-12 2021-05-12
US63/187,628 2021-05-12
PCT/US2022/028728 WO2022240961A1 (en) 2021-05-12 2022-05-11 A method for producing a three-dimensional printed article

Publications (1)

Publication Number Publication Date
CA3217715A1 true CA3217715A1 (en) 2022-11-17

Family

ID=81854639

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3217715A Pending CA3217715A1 (en) 2021-05-12 2022-05-11 A method for producing a three-dimensional printed article

Country Status (8)

Country Link
US (1) US11964425B2 (https=)
EP (1) EP4337450A1 (https=)
JP (1) JP2024518528A (https=)
KR (1) KR20240006665A (https=)
CN (1) CN117460613A (https=)
CA (1) CA3217715A1 (https=)
TW (1) TWI831201B (https=)
WO (1) WO2022240961A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220380549A1 (en) * 2021-05-12 2022-12-01 Elkem Silicones USA Corp. Method for producing a three-dimensional printed article
WO2024141095A1 (en) * 2022-12-30 2024-07-04 Elkem Silicones Shanghai Co., Ltd. Method for manufacturing 3d printed article using a photocurable silicone composition
JP7803475B2 (ja) * 2023-12-27 2026-01-21 信越化学工業株式会社 光造形用紫外線硬化性シリコーン組成物およびその硬化物

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2535334B2 (de) 1975-08-07 1978-09-28 Bayer Ag, 5090 Leverkusen Verfahren zur homogenen Verteilung hochdisperser aktiver Füllstoffe in Poly organosiloxanen
FR2663340B1 (fr) 1990-06-13 1994-04-08 Rhone Poulenc Chimie Procede de preparation d'empatage en extrudeuse double-vis pour compositions rtv sih/sivi.
FR2764894B1 (fr) 1997-06-24 1999-09-24 Rhodia Chimie Sa Procede de preparation d'une suspension de silice dans une matrice silicone vulcanisable a temperature ambiante et a chaud pour former des elastomeres
US7230047B2 (en) * 2003-06-25 2007-06-12 Henkel Corporation Reformable compositions
EP1814891B1 (en) 2004-11-23 2011-01-26 Basf Se Bisacylphosphanes and their use as photoinitiators; process for preparing acylphosphanes
US20140131908A1 (en) 2012-11-14 2014-05-15 Dentsply International Inc. Three-dimensional fabricating material systems for producing dental products
EP2943331B1 (en) 2013-01-10 2018-06-27 LUXeXcel Holding B.V. Method of printing an optical element
WO2014126834A2 (en) 2013-02-12 2014-08-21 Eipi Systems, Inc. Method and apparatus for three-dimensional fabrication with feed through carrier
JP6573877B2 (ja) 2013-07-08 2019-09-11 ビーエーエスエフ ソシエタス・ヨーロピアBasf Se 液状ビスアシルホスフィンオキシド光開始剤
TWI633157B (zh) * 2013-10-18 2018-08-21 Shin-Etsu Chemical Co., Ltd. 紫外線硬化性有機聚矽氧烷組成物及版材之製造方法
WO2015107333A1 (en) 2014-01-14 2015-07-23 King's College London 3d printing of facial prostheses
WO2015197495A1 (en) 2014-06-27 2015-12-30 Koninklijke Philips N.V. Printing device and method for 3d printing
US10155884B2 (en) 2014-09-17 2018-12-18 Dow Silicones Corporation 3D printing method utilizing a photocurable silicone composition
DE102014222685A1 (de) 2014-11-06 2016-05-12 Wacker Chemie Ag Verfahren zur Herstellung von Siliconelastomerteilen
US20160193785A1 (en) 2015-01-02 2016-07-07 Voxel8, Inc. 3d printer for printing a plurality of material types
WO2016134972A1 (en) 2015-02-23 2016-09-01 Philips Lighting Holding B.V. Silicone mixture containing acrylates for inkjet and dispenser 3d printing
WO2016140891A1 (en) 2015-03-05 2016-09-09 Carbon3D, Inc. Continuous liquid interface production with sequential patterned exposure
GB201508178D0 (en) 2015-05-13 2015-06-24 Photocentric Ltd Method for making an object
US20180085993A1 (en) 2015-05-22 2018-03-29 Luxexcel Holding B.V. Method for printing a three-dimensional structure and a system for printing a three-dimensional structure
EP3344441B1 (en) 2015-09-03 2024-10-16 Dow Silicones Corporation 3d printing method utilizing heat-curable silicone composition
US11104802B2 (en) 2016-09-26 2021-08-31 University Of Washington PDMS resin for stereolithographic 3D-printing of PDMS
JP7062635B2 (ja) * 2017-02-28 2022-05-06 富士フイルム株式会社 硬化性組成物、平版印刷版原版、平版印刷版の作製方法、及び、化合物
WO2018206995A1 (en) 2017-05-10 2018-11-15 Elkem Silicones France Sas Method for manufacturing a silicone elastomer article using a 3d printer
JP6944549B2 (ja) 2017-06-22 2021-10-06 エルケム・シリコーンズ・フランス・エスアエスELKEM SILICONES France SAS フリーラジカル光開始剤及びシリコーン組成物におけるその使用
US20210261468A1 (en) * 2018-06-15 2021-08-26 Basf Se Ceramic photoresin formulation
US20220380549A1 (en) * 2021-05-12 2022-12-01 Elkem Silicones USA Corp. Method for producing a three-dimensional printed article

Also Published As

Publication number Publication date
JP2024518528A (ja) 2024-05-01
CN117460613A (zh) 2024-01-26
KR20240006665A (ko) 2024-01-15
US20220379551A1 (en) 2022-12-01
TWI831201B (zh) 2024-02-01
TW202317390A (zh) 2023-05-01
EP4337450A1 (en) 2024-03-20
WO2022240961A1 (en) 2022-11-17
US11964425B2 (en) 2024-04-23

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