WO2024068708A1 - Composition de résine durcissable par rayonnement utilisée pour fabriquer un moule tridimensionnel - Google Patents

Composition de résine durcissable par rayonnement utilisée pour fabriquer un moule tridimensionnel Download PDF

Info

Publication number
WO2024068708A1
WO2024068708A1 PCT/EP2023/076666 EP2023076666W WO2024068708A1 WO 2024068708 A1 WO2024068708 A1 WO 2024068708A1 EP 2023076666 W EP2023076666 W EP 2023076666W WO 2024068708 A1 WO2024068708 A1 WO 2024068708A1
Authority
WO
WIPO (PCT)
Prior art keywords
radiation
curable composition
acrylate
composition according
meth
Prior art date
Application number
PCT/EP2023/076666
Other languages
English (en)
Inventor
Fan Zhang
Zhi Zhong CAI
Jie Lu
Rui Ding
Original Assignee
Basf Se
Basf (China) Company Limited
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 Basf Se, Basf (China) Company Limited filed Critical Basf Se
Publication of WO2024068708A1 publication Critical patent/WO2024068708A1/fr

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/0037—Production of three-dimensional images
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y70/00—Materials specially adapted for additive manufacturing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004—Photosensitive materials
    • G03F7/0047—Photosensitive materials characterised by additives for obtaining a metallic or ceramic pattern, e.g. by firing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004—Photosensitive materials
    • G03F7/027—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004—Photosensitive materials
    • G03F7/038—Macromolecular compounds which are rendered insoluble or differentially wettable
    • 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

Definitions

  • Radiation-curable Resin Composition used for manufacturing three-dimensional mold
  • the present invention relates to the technical field of chemical materials for three-dimensional (hereinafter referred to as “3D”) printing, and in particular relates to a radiation-curable composition comprising spherical inorganic particle.
  • the present invention further relates to a process of forming 3D objects by using the composition, and to 3D objects formed by using the composition.
  • 3D printing or additive manufacturing is a manufacturing method that seeks to avoid traditional manufacturing techniques that are either subtractive (i.e. machining and ablation) or formative (i.e. molding and casting), and in doing so leverages considerable benefits in terms of design freedom.
  • Radiation curable photopolymer is a class of 3D printable materials which have been widely used in various applications including prototyping of plastic parts, metal investment casting, dental applications, etc. Up to date, the radiation curable photopolymers on the market are suitable in making prototypes and demonstrations but may not be adequate for real applications that require thermal and mechanical properties. To bridge the gap from prototyping to real manufacturing, it is critical to have advanced materials with specific properties dictated by targeted industrial applications.
  • 3D printing can be an effective way to manufacture molds, which usually requires the material to possess adequate thermal deflection temperature (HDT) and mechanical performances, which can hardly be achieved by traditional acrylate-based photopolymers. Therefore, it becomes crucial to employ new process in 3D material development for advanced performances that could match existing plastics fabricated with traditional manufacturing methods.
  • HDT thermal deflection temperature
  • Another object of the present invention is to provide a 3D printed object formed from the radiation-curable composition.
  • a further object of the present invention is to provide a process of forming the 3D printed object by using the radiation-curable composition of the present invention.
  • the average particle size D 5 o of the spherical inorganic particle is in the range from 100 to 1500 nm, preferably from 300 to 1000 nm.
  • the spherical inorganic particle is surface-treated by silane, preferably by alkoxysilane.
  • the spherical inorganic particle is spherical silica particle.
  • Another object of the present invention is to a 3D printed object formed for the radiation-curable composition.
  • the radiation-curable composition according to the present invention shows excellent stability and good printing accuracy and is easy to be 3D printed due to low viscosity.
  • the object formed from the radiation-curable composition also shows high HDT value and adequate mechanical properties. Description of the Drawing
  • Figure 1 shows stability test of example 4-7 and comparative example 1 with a centrifuge at 25 °C
  • Figure 2(a) shows the picture of standard benchmark model and Figure 2(b) shows the picture of 3D-printed object obtained by printing the composition of example 10 according to the standard benchmark model.
  • Figure 3 shows the pictures of 3D-printed objects obtained by printing the composition of example 10.
  • liquid“as used in the presnet invention is to be equated with "liquid at room temperature” which is, in general a temperature between about 5 °C and about 30 °C.
  • any specific values mentioned for a feature can be recombined to form a new range.
  • the radiation-curable composition of the present invention comprises at least one light polymerizable liquid as component (a).
  • the light polymerizable liquid (a) of the present invention comprises a monomer and/or oligomer containing at least one radiation-curable functional group.
  • the radiation-curable functional group of the light polymerizable liquid (a) of the present invention may be selected from the group consisting of an ethylenically unsaturated functional group, an epoxy group, and the mixture thereof.
  • the at least one radiation-curable functional group of the monomer and/or oligomer containing at least one radiation-curable functional group suitable as light polymerizable liquid (a) is selected from the group consisting of an ethylenically unsaturated functional group, an epoxy group, and the mixture thereof.
  • the number of the radiation-curable functional group in light polymerizable liquid (a) is in the range from 1 to 12, for example 1.2, 1.5, 1.8, 2, 2.2. 2.5, 3, 3.5,4, 5, 6, 7, 8, 9, 10, 11, preferably from 1 to 10, such as from 1 to 8, or 1.5 to 6, per molecule of light polymerizable liquid (a).
  • non-limiting examples may include epoxidized olefins, aromatic glycidyl ethers, aliphatic glycidyl ethers, or the combination thereof, preferably aromatic or aliphatic glycidyl ethers.
  • epoxidized olefins examples include epoxidized C2-Cw-olefins, such as ethylene oxide, propylene oxide, iso-butylene oxide, 1 -butene oxide, 2-butene oxide, vinyloxirane, styrene oxide or epichlorohydrin, preference being given to ethylene oxide, propylene oxide, isobutylene oxide, vinyloxirane, styrene oxide or epichlorohydrin, particular preference to ethylene oxide, propylene oxide or epichlorohydrin, and very particular preference to ethylene oxide and epichlorohydrin.
  • C2-Cw-olefins such as ethylene oxide, propylene oxide, iso-butylene oxide, 1 -butene oxide, 2-butene oxide, vinyloxirane, styrene oxide or epichlorohydrin, preference being given to ethylene oxide, propylene oxide, isobutylene oxide, vinyloxirane, styrene oxide
  • Aromatic glycidyl ethers are, for example, bisphenol A diglycidyl ether, bisphenol F diglycidyl ether, bisphenol B diglycidyl ether, bisphenol S diglycidyl ether, hydroquinone diglycidyl ether, alkylation products of phenol/dicyclopentadiene, e.g., 2,5-bis[(2,3-epoxypropoxy)phenyl]octahy- dro-4,7-methano-5H-indene (CAS No. [13446-85-0]), tris[4-(2,3-epoxypropoxy)phenyl]methane isomers (CAS No. [66072-39-7]), phenol-based epoxy novolaks (CAS No. [9003-35-4]), and cresol-based epoxy novolaks (CAS No. [37382-79-9]).
  • aliphatic glycidyl ethers examples include 1 ,4-butanediol diglycidyl ether, 1,6-hexanediol diglycidyl ether, trimethylolpropane triglycidyl ether, pentaerythritol tetraglycidyl ether, 1, 1,2,2- tetrakis[4-(2,3-epoxypropoxy)phenyl]ethane (CAS No. [27043-37-4]), diglycidyl ether of polypropylene glycol (a,cu-bis(2,3-epoxypropoxy)poly(oxypropylene), CAS No. [16096-30-3]) and of hydrogenated bisphenol A (2,2-bis[4-(2,3-epoxypropoxy)cyclohexyl]propane, CAS No. [13410-58- 7]).
  • light polymerizable liquid (a) of the present invention contains at least one ethylenically unsaturated functional group.
  • the ethylenically unsaturated functional group contains a carbon-carbon unsaturated bond, such as those found in the following functional groups: allyl, vinyl, acrylate, methacrylate, acryloxy, methacryloxy, acrylamido, methacrylamido, acetylenyl, maleimido, and the like; preferably, the ethylenically unsaturated functional group contains acrylate or methacylate.
  • light polymerizable liquid (a) of the present invention contains, in addition to the ethylenically unsaturated functional group and/or epoxy group, urethane groups, ether groups, ester groups, carbonate groups, and any combination thereof.
  • the oligomer containing at least one radiation-curable functional group includes, for example, oligomers containing a core structure linked to the ethylenically unsaturated functional group, optionally via a linking group.
  • the linking group can be an ether, ester, amide, urethane, carbonate, or carbonate group. In some instances, the linking group is part of the ethylenically unsaturated functional group, for instance an acryloxy or acrylamido group.
  • the core group can be an alkyl (straight and branched chain alkyl groups), aryl (e.g.
  • Suitable ethylenically unsaturated functional group may comprise groups containing carbon-carbon double bond, such as methacrylate groups, acrylate groups, vinyl ether groups, allyl ether groups, acrylamide groups, methacrylamide groups, or a combination thereof, preferably methacrylate or acrylate.
  • suitable oligomers comprise mono- and/or polyfunctional acrylate, such as mono (meth)acrylate, di(meth)acrylate, tri(meth)acrylate, or higher, or combination thereof.
  • the oligomer may include a siloxane backbone in order to further improve cure, flexibility and/or additional properties of the radiation-curable composition for 3D printing.
  • the oligomer containing at least one ethylenically unsaturated functional group can be selected from the following classes: urethane (e.g. an urethane-based oligomer containing ethylenically unsaturated functional group), polyether (e.g. an polyether-based oligomer containing ethylenically unsaturated functional group), polyester (e.g. an polyester-based oligomer containing ethylenically unsaturated functional group), polycarbonate (e.g. an polycarbonate-based oligomer containing ethylenically unsaturated functional group), polyestercarbonate (e.g.
  • urethane e.g. an urethane-based oligomer containing ethylenically unsaturated functional group
  • polyether e.g. an polyether-based oligomer containing ethylenically unsaturated functional group
  • polyester e.g. an polyester-based oligomer containing e
  • polyestercarbonate-based oligomer containing ethylenically unsaturated functional group epoxy (e.g. an epoxy-based oligomer containing ethylenically unsaturated functional group), silicone (e.g. a silicone-based oligomer containing ethylenically unsaturated functional group) or any combination thereof.
  • epoxy e.g. an epoxy-based oligomer containing ethylenically unsaturated functional group
  • silicone e.g. a silicone-based oligomer containing ethylenically unsaturated functional group
  • the oligomer containing at least one ethylenically unsaturated functional group can be selected from the following classes: a urethane- based oligomer, an epoxy-based oligomer, a polyester-based oligomer, a polyether-based oligomer, polyether urethane-based oligomer, polyester urethane-based oligomer or a silicone- based oligomer, as well as any combination thereof.
  • the oligomer containing at least one ethylenically unsaturated functional group comprises a urethane-based oligomer comprising urethane repeating units and one, two or more ethylenically unsaturated functional groups, for example those containing carbon-carbon unsaturated double bond, such as (meth)acrylate groups, (meth)acrylamide groups, allyl groups and vinyl groups.
  • the oligomer contains at least one urethane linkage (for example, one, two or more urethane linkages) within the backbone of the oligomer molecule and at least one acrylate and/or methacrylate functional groups (for example, one, two or more acrylate and/or methacrylate functional groups) pendent to the oligomer molecule.
  • aliphatic, cycloaliphatic, or mixed aliphatic and cycloaliphatic urethane repeating units are suitable.
  • Urethanes are typically prepared by the condensation of a diisocyanate with a diol. Aliphatic urethanes having at least two urethane moieties per repeating unit are useful.
  • the diisocyanate and diol used to prepare the urethane comprise divalent aliphatic groups that may be the same or different.
  • the oligomer containing at least one ethylenically unsaturated functional group comprises polyester urethane-based oligomer or polyether urethane-based oligomer containing at least one ethylenically unsaturated functional group.
  • the ethylenically unsaturated functional group can be those containing carbon-carbon unsaturated double bond, such as acrylate groups, methacrylate groups, vinyl groups, allyl groups, acrylamide groups, methacrylamide groups etc., preferably acrylate groups and methacrylate groups.
  • Suitable urethane-based oligomers are known in the art and may be readily synthesized by a number of different procedures.
  • a polyfunctional alcohol may be reacted with a polyisocyanate (preferably, a stoichiometric excess of polyisocyanate) to form an NCO-termi- nated pre-oligomer, which is thereafter reacted with a hydroxy-functional ethylenically unsaturated monomer, such as hydroxy-functional (meth)acrylate.
  • the polyfunctional alcohol may be any compound containing two or more OH groups per molecule and may be a monomeric polyol (e.g., a glycol), a polyester polyol, a polyether polyol or the like.
  • the urethane-based oligomer in one embodiment of the invention is an aliphatic urethane-based oligomer containing (meth)acrylate functional group.
  • Suitable polyether or polyester urethane-based oligomers include the reaction product of an aliphatic or aromatic polyether or polyester polyol with an aliphatic or aromatic polyisocyanate that is functionalized with a monomer containing the ethylenically unsaturated functional group, such as (meth)acrylate group.
  • the polyether and polyester are aliphatic polyether and polyester, respectively.
  • the polyether and polyester urethane-based oligomers are aliphatic polyether and polyester urethane-based oligomers and comprise (meth)acrylate group.
  • the viscosity of the oligomer containing at least one ethylenically unsaturated functional group at 60°C can be in the range from 200 to 200000 cP, for example 500 cP, 800 cP, 1000 cP, 2000 cP, 3000 cP, 4000 cP, 5000 cP, 6000 cP, 7000 cP, 8000 cP, 10000 cP, 20000 cP, 30000 cP, 40000 cP, 50000 cP, 60000 cP, 70000 cP, 80000 cP, 90000 cP, 95000 cP, preferably 500 to 60000cP, for example 1000 to 50000 cP, 2000 to 40000 cP, 3000 to 20000 cP, 4000 to 15000 cP, or 20000 cP to 60000 cP, as measured according to DIN EN ISO 3219.
  • the monomer can lower the viscosity of the composition.
  • the monomer can be monofunctional or multifunctional (such as difunctional, trifunctional), preferably monofunctional.
  • the monomer can be selected from the group consisting of (meth)acrylate monomers, (meth)acrylamide monomers, vinylaromatics having up to 20 carbon atoms, vinyl esters of carboxylic acids having up to 20 carbon atoms, a,p-unsaturated carboxylic acids having 3 to 8 carbon atoms and their anhydrides, and vinyl substituted heterocycles,
  • (meth)acrylate monomer means a monomer comprises a (meth)acrylate moiety.
  • the structure of the (meth)acrylate moiety is as follows: wherein R is H or methyl.
  • the (meth)acrylate monomer can be monofunctional or multifunctional (such as difunctional, trifunctional) (meth)acrylate monomer.
  • Exemplary (meth)acrylate monomer can include Ci to C20 alkyl (meth)acrylate, Ci to C10 hydroxyalkyl (meth)acrylate, C3 to C10 cycloalkyl (meth)acrylate, urethane acrylate, 2-(2-ethoxy)ethyl acrylate, tetrahydrofurfuryl (meth)acrylate, 2-phenoxyeth- ylacrylate, dicyclopentenyloxyethyl (meth)acrylate, dicyclopentadienyl (meth)acrylate, caprolactone (meth)acrylate, morpholine (meth)acrylate, ethoxylated nonyl phenol (meth)acrylate, (5- ethyl-1 ,3-dioxan-5-yl) methyl acrylate, phenyl
  • Ci to C20 alkyl (meth)acrylate can include methyl (meth)acrylate, ethyl (meth)acrylate, isopropyl (meth)acrylate, n-propyl (meth)acrylate, n-butyl (meth)acrylate, isobutyl (meth)acrylate, tert-butyl (meth)acrylate, sec-butyl (meth)acrylate, pentyl (meth)acrylate, n- hexyl (meth)acrylate, octyl (meth)acrylate, isooctyl (meth)acrylate, 2-ethylhexyl (meth)acrylate, decyl (meth)acrylate, isodecyl (meth)acrylate, n-lauryl (meth)acrylate, n-tridecyl (meth)acrylate, n-cetyl (meth)acrylate, n-stearyl
  • Ci to C10 hydroxyalkyl (meth)acrylate such as C2 to Cs hydroxyalkyl (meth)acrylate can include 2-hydroxyethyl (meth)acrylate, 2-hydroxypropyl (meth)acrylate, 3- hydroxypropyl (meth)acrylate, 3-hydroxybutyl (meth)acrylate, 4-hydroxybutyl (meth)acrylate, 6- hydroxyhexyl (meth)acrylate, or 3-hydroxy-2-ethylhexyl (meth)acrylate etc.
  • C3 to C cycloalkyl (meth)acrylate can include isobornyl acrylate, isobornyl methacrylate, cyclohexyl acrylate or cyclohexyl methacrylate.
  • Examples of monofunctional acrylate include such as methyl acrylate, ethyl acrylate, butyl acrylate, 2-(2-ethoxy)ethyl acrylate, tetrahydrofurfuryl acrylate, lauryl acrylate, isooctyl acrylate, isodecyl acrylate, 2-phenoxyethylacrylate, 2-ethylhexyl acrylate, isobornyl acrylate, dicyclopentenyloxyethyl acrylate, dicyclopentadienyl acrylate, 2-hydroxyethyl acrylate, 2- hydroxypropyl acrylate, 2-hydroxybutyl acrylate, 4-hydroxybutyl acrylate, caprolactone acrylate, morpholine acrylate, epoxy-acrylate hybrid monomers such as 3,4-epoxy-cyclohexyl-14 methyl acrylate.
  • (meth)acrylamide monomer means a monomer comprises a (meth)acrylamide moiety.
  • (meth)acrylamide monomer can include acryloylmorpholine, methacryloylmorpholine, N-(hydroxymethyl)acryla- mide, N-hydroxyethyl acrylamide, N-isopropylacrylamide, N-isopropylmethacrylamide, N-tert- butylacrylamide, N,N’-methylenebisacrylamide, N-(isobutoxymethyl)acrylamide, N-(butoxyme- thyl)acrylamide, N-[3-(dimethylamino)propyl]methacrylamide, N,N-dimethylacrylamide, N,N-di- ethylacrylamide, N-(hydroxymethyl)methacrylamide, N-hydroxyethyl methacrylamide, N- isopropylmethacrylamide, N-isopropylmethacrylamide, N-tert-butylmethacrylamide, N,N’-meth- ylenebismethacrylamide, N-(isoyl
  • Examples of monofunctional acrylamides or methacrylamides component include such as acryloylmorpholine (ACMO), methacryloylmorpholine, N-(hydroxymethyl)acrylamide, N- hydroxyethyl acrylamide, N- isopropylacrylamide, N-isopropylmethacrylamide, N-tert- butylacrylamide, N,N'- methylenebisacrylamide, N-(isobutoxymethyl)acrylamide, N- (butoxymethyl)acrylamide, N-[3-(dimethylamino)propyl]methacrylamide, N,N- dimethylacrylamide, N,N-diethylacrylamide, N-(hydroxymethyl)methacrylamide, N-hydroxyethyl methacrylamide, N-isopropylmethacrylamide, N-isopropylmethmethacrylamide, N-tert- butylmethacrylamide, N,N'-methylenebismethacrylamide, N-(isobutoxymethyl)
  • vinylaromatics having up to 20 carbon atoms can include, such as styrene and Ci- C 4 -alkyl substituted styrene, such as vinyltoluene, p-tert-butylstyrene and a-methyl styrene.
  • vinyl esters of carboxylic acids having up to 20 carbon atoms can include vinyl laurate, vinyl stearate, vinyl propionate, and vinyl acetate.
  • Example of a,p-unsaturated carboxylic acids having 3 to 8 carbon atoms can be acrylic acid or methacrylic acid.
  • vinyl substituted heterocycles can include monovinyl substituted heterocycles, wherein the heterocycle is a 5- to 8-membered ring containing 2 to 7 carbon atoms, and 1 to 4 (preferably 1 or 2) heteroatoms selected from N, O and S, such as vinylpyridines, N-vinylpyrroli- done, N-vinylmorpholin-2-one, N-vinyl caprolactam and 1-vinylimidazole, vinyl alkyl oxazoli- dinone such as vinyl methyl oxazolidinone.
  • monovinyl substituted heterocycles wherein the heterocycle is a 5- to 8-membered ring containing 2 to 7 carbon atoms, and 1 to 4 (preferably 1 or 2) heteroatoms selected from N, O and S, such as vinylpyridines, N-vinylpyrroli- done, N-vinylmorpholin-2-one, N-vinyl caprolactam and 1-vinylimidazole, vinyl alkyl oxazol
  • Preferred monomers are (meth)acrylate monomer and (meth)acrylamide monomer. More preferably, the monomers are mono-functional.
  • light polymerizable liquid (a) of the present invention comprises both the oligomer and the monomer containing at least one ethylenically unsaturated functional group.
  • the weight ratio of the oligomer to the monomer can be in the range from 10: 1 to 1 : 10, preferably from 8:1 to 1 :8, or from 5:1 to 1:5, or from 3:1 to 1:5, or from 1:1 to 1 :4.
  • the amount of light polymerizable liquid (a) can be in the range from 20 to 90 wt.%, for example 25 wt.%, 30 wt.%, 35 wt.%, 40 wt.%, 50 wt.%, 60 wt.%, 70 wt.%, 80 wt.%, 90 wt.%, preferably from 25 to 80 wt.%, more preferably from 30 to 70 wt.% or from 30 to 60 wt.%, based on the total weight of the curable composition.
  • the radiation-curable composition also comprises at least one spherical inorganic particle having an average particle size D 50 of 50 to 2000 nm.
  • inorganic fillers are silica particles, glass or silica beads, calcium carbonate, barium sulfate, talc, mica, glass or silica bubbles, zirconium silicate, iron oxides, diatomaceous earth, dolomite, powdered metals, titanium oxides, pulp powder, kaoline, modified kaolin, hydrated kaolin metallic filers, ceramics and composites.
  • spherical inorganic particle is used so that a higher amount of inorganic particle can be added to the composition to achieve good mechanical properties while keeping good stability and low viscosity.
  • the spherical inorganic particle has a sphericity of 0.7 to 1 , preferably 0.8 to 1 , more preferably 0.9 to 1.
  • the spherical inorganic particle is silica particle, such as silica, fumed silica, precipitated silica, colloidal silica, Vaporized Metal Combustion (VMC) silica and mixture thereof.
  • silica particle such as silica, fumed silica, precipitated silica, colloidal silica, Vaporized Metal Combustion (VMC) silica and mixture thereof.
  • VMC Vaporized Metal Combustion
  • the silica particles are Vaporized Metal Combustion (VMC) spherical silica particles.
  • VMC Vaporized Metal Combustion
  • the VMC method provides fine spherical silica particles from metal powder by direct oxidation.
  • the silica particle is surface-treated with a known surface treatment agent such as an organic silicon compound. More preferably, the silica particle is surface-treated with a silane coupling agent.
  • a known surface treatment agent such as an organic silicon compound.
  • the silica particle is surface-treated with a silane coupling agent.
  • the spherical silica particles which can be treated to provide silica particles treated with silane in accordance with the invention, are generally commercially available, or can be prepared by known methods from various starting materials (e.g., wet-process type silica)..
  • the silica particle treated with silane can be obtained by reacting the silica particle with a silane coupling agent.
  • Silane coupling agent has the form R-SiXs, where R is an organic functional group, such as amino, methacryl, glycidoxy, mercapto, vinyl and X is a hydrolyzable group.
  • R is an organic functional group, such as amino, methacryl, glycidoxy, mercapto, vinyl and X is a hydrolyzable group.
  • silane coupling agent is alkoxysilane having a structure of the following formula:
  • R 1 can be selected from C1-C30 (preferably C1-C18, or C1-C12, or Ci-Ce or C1-C4) alkyl, amino C1-C30 (preferably C1-C18, or C1-C12, or Ci-Ce or C1-C4) alkyl, C2-C30 (preferably C2-C18, or C2-C12, or C2-Ce or C2-C4) alkenyl, amino C2-C30 (preferably C2-C18, or C2-C12, or C2-Ce or C2-C4) alkenyl and methacryl C4-C30 (preferably C4-C18, or C4-C12, or C4-Cs) alkyl, C3-C10 cycloalkyl, and CB-CW aryl; R 2 can be selected from C1-C18 alkyl (preferably C1-C15, C1-C10, Ci-Cs, Ci-Ce or C1-C4 alkyl); and n is an integer from 1 to
  • the alkoxysilane is a trialkoxysilane.
  • the trialkoxysilane can have the structure of the following formula: R 1 Si(OR 2 ) 3 wherein R 1 can be selected from C1-C30 (preferably C1-C18, or C1-C12, or Ci-Ce or C1-C4) alkyl, amino C1-C30 (preferably C1-C18, or C1-C12, or Ci-Ce or C1-C4) alkyl, C2-C30 (preferably C2-C18, or C2-C12, or C2-Ce or C2-C4) alkenyl, amino C2-C30 (preferably C2-C18, or C2-C12, or C2-Ce or C2-C4) alkenyl and methacryl C4-C30 (preferably C4-C18, or C4-C12, or C4-Cs) alkyl, and C3-C10 cycloalkyl; R 2 can be selected from C1-C10 alkyl (preferably Ci-C
  • alkoxysilane can be selected from methyltrimethoxysilane, ethyltrimethoxysilane, propyltrimethoxysilane, butyltrimethoxysilane, pentyltriethoxysilane, hexyltriethoxysilane, heptyltriethoxysilane, octyltriethoxysilane, 3-aminopropyltriethoxysilane, 3-aminobu- tyltriethoxysilane, Methacryloxyethyltrimethoxysilane, Methacryloxypropyltrimethoxysilane, and combinations thereof.
  • the silica particle treated with silane can have an average particle size D50 in the range from 50 to 2000 nm, for example 60 nm, 70 nm, 80 nm, 90 nm, 100 nm, 120 nm, 140 nm, 160 nm, 180 nm, 200 nm, 300 nm, 400 nm, 500 nm, 600 nm, 700 nm, 800 nm, 900 nm, 1000 nm, 1200 nm, 1500 nm, 1800 nm or 2000 nm, preferably from 100 to 1500 nm or from 300 to 1000 nm.
  • inorganic particles with different particle size distribution to balance the viscosity of the radiation-curable composition and filler content, such as microparticle having average particle size D50 of 1 to 6 pm.
  • the amount of spherical inorganic particle can be in the range from 10 to 80 wt.%, for example 15 wt.%, 20 wt.%, 25 wt.%, 30 wt.%, 35 wt.%, 40 wt.%, 50 wt.%, 60 wt.%, 65 wt.%, 70 wt.%, preferably from 30 wt.% to 70 wt.%, or from 50 wt.% to 70 wt.%, based on the total weight of the radiation-curable composition.
  • the radiation-curable composition comprises at least one photoinitiator as component (c).
  • the photoinitiator component (c) may include at least one free radical photoinitiator and/or at least one ionic photoinitiator, and preferably at least one (for example one or two) free radical photoinitiator.
  • Exemplary photoinitiators may include benzophenone, acetophenone, chlorinated acetophenone, dialkoxyacetophenones, dialkylhydroxyacetophenones, dialkylhydroxyacetophenone esters, benzoin and derivative (such as benzoin acetate, benzoin alkyl ethers), dimethoxybenzion, dibenzylketone, benzoylcyclohexanol and other aromatic ketones, alpha-aminoketone compounds, phenylglyoxylate compounds, oxime ester, acyloxime esters, acylphosphine oxides, acylphosphonates, ketosulfides, dibenzoyldisulphides, diphenyldithiocarbonate, mixtures thereof and mixtures with alpha-hydroxy ketone compounds, or alpha-alkoxyketone compounds.
  • benzoin and derivative such as benzoin acetate, benzoin alkyl ethers
  • dimethoxybenzion
  • Suitable acylphosphine oxide compounds are of the formula (XII), wherein
  • R50 is unsubstituted cyclohexyl, cyclopentyl, phenyl, naphthyl or biphenylyl; or is cyclohexyl, cyclopentyl, phenyl, naphthyl or biphenylyl substituted by one or more halogen, C1-C12 alkyl, Ci- 012 alkoxy, C1-C12 alkylthio or by NR53R54; or R50 is unsubstituted C1-C20 alkyl or is C1-C20 alkyl which is substituted by one or more halogen, C1-C12 alkoxy, C1-C12 alkylthio, NR53R54 or by -(CO)-O-Ci-C24 alkyl;
  • R51 is unsubstituted cyclohexyl, cyclopentyl, phenyl, naphthyl or biphenylyl; or is cyclohexyl, cyclopentyl, phenyl, naphthyl or biphenylyl substituted by one or more halogen, C1-C12 alkyl, Ci- 012 alkoxy, C1-C12 alkylthio or by NR53R54; or R51 is -(CO)R’52; or R51 is C1-C12 alkyl which is unsubstituted or substituted by one or more halogen, C1-C12 alkoxy, C1-C12 alkylthio, or by NR53R54; R52 and R’52 independently of each other are unsubstituted cyclohexyl, cyclopentyl, phenyl, naphthyl or biphenylyl, or are cyclohexyl, cyclopent
  • R53 and R54 independently of one another are hydrogen, unsubstituted C1-C12 alkyl or C1-C12 alkyl substituted by one or more OH or SH wherein the alkyl chain optionally is interrupted by one to four oxygen atoms; or R53 and R54 independently of one another are C2-C12 alkenyl, cyclopentyl, cyclohexyl, benzyl or phenyl.
  • photoinitiators can include 1 -hydroxycyclohexyl phenylketone, 2-methyl-1- [4-(methylthio)phenyl]-2-morpholinopropan-1-one, 2-benzyl-2-N,N-dimethylamino-1-(4-morpho- linophenyl)-1-butanone, combination of 1-hydroxycyclohexyl phenyl ketone and benzophenone, 2,2-dimethoxy-2-phenyl acetophenone, bis(2,6-dimethoxybenzoy 1 -(2,4,4- trimethylpentyl)phosphine oxide, 2-hydroxy-2-methyl-1-phenyl-propan-1-one, bis(2,4,6-trimethyl benzoyl) phenyl phosphine oxide, 2-hydroxy-2-methyl-1-phenyl-1-propane, combination of
  • the photoinitiator (c) is a compound of the formula (XII), such as, for example, bis(2,4,6-trimethylbenzoyl)-phenylphosphine oxide; 2,4,6- trimethylbenzyl- diphenyl-phosphine oxide; ethyl (2,4,6-trimethylbenzoyl phenyl) phosphinic acid ester; (2,4,6- trimethylbenzoyl)-2,4-dipentoxyphenylphosphine oxide and bis(2,6-dimethoxybenzoyl)-2,4,4- trimethylpentylphosphine oxide.
  • formula (XII) such as, for example, bis(2,4,6-trimethylbenzoyl)-phenylphosphine oxide; 2,4,6- trimethylbenzyl- diphenyl-phosphine oxide; ethyl (2,4,6-trimethylbenzoyl phenyl) phosphinic acid ester; (2,4,6- tri
  • the amount of the photoinitiator (c) can be in the range from 0.1 to 10 wt.%, for example 0.2 wt.%, 0.5 wt.%, 0.8 wt.%, 1 wt.%, 2 wt.%, 3 wt.%, 5 wt.%, 8 wt.%, or 10 wt.%, preferably from 0.1 to 5 wt.% or 0.5 to 5 wt.% or from 0.5 to 3 wt.%, based on the total weight of the composition.
  • the radiation curable resin composition comprising
  • the amount of component (a) can be represented from 20 to 90 wt.% or 25 to 80 wt.% or 30 to 60 wt.%; the amount of component (b) can be represented from 10 to 80 wt.% or 30 to 70 wt.% or 50 to 70 wt.%; the amount of component (c) can be represented from 0.1 to 10 wt.% or 0.5 to 5 wt.% or 0.5 to 3 wt.%.
  • composition of the present invention may further comprise one or more auxiliaries.
  • auxiliaries mention may be made by way of preferred example of surface-active substances, flame retardants, nucleating agents, lubricant wax, adhesion promoters, rheology modifiers, dyes, pigments, catalyst, UV absorbers and stabilizers, e.g. against oxidation, hydrolysis, light, heat or discoloration, inorganic and/or organic fillers, reinforcing materials and plasticizers.
  • hydrolysis inhibitors preference is given to oligomeric and/or polymeric aliphatic or aromatic carbodiimides.
  • stabilizers are added to system in preferred embodiments. If the composition of the invention is exposed to thermo-oxidative damage during use, in preferred embodiments antioxidants are added.
  • Phenolic antioxidants such as Irganox® 1010 from BASF SE are given in Plastics Additive Handbook, 5th edition, H. Zweifel, ed., Hanser Publishers, Kunststoff, 2001 , pages 98-107, page 116 and page 121.
  • UV absorbers are generally known as molecules which absorb high-energy UV light and dissipate energy.
  • Customary UV absorbers which are employed in industry belong, for example, to the group of cinnamic esters, diphenylcyan acrylates, formamidines, benzyli- denemalonates, diarylbutadienes, triazines and benzotriazoles. Examples of commercial UV absorbers may be found in Plastics Additive Handbook, 5th edition, H. Zweifel, ed, Hanser Publishers, Kunststoff, 2001 , pages 116-122.
  • auxiliaries may be found in the specialist literature, e.g. in Plastics Additive Handbook, 5th edition, H. Zweifel, ed, Hanser Publishers, Kunststoff, 2001.
  • the auxiliary can be present in an amount of from 0 to 50% by weight, from 0.01 to 50% by weight, for example from 0.5 to 30% by weight, based on the total weight of the radiation-curable composition.
  • One aspect of the present invention relates to a process of preparing the radiation-curable composition of the present invention for 3D-printing, comprising mixing the components of the composition. There is no special requirement of sequence of adding the components.
  • the inorganic particle can be added to the light polymerizable liquid together and then the whole composition is mixed or the inorganic particle is added after the light polymerizable liquid is mixed firstly.
  • the mixing can be carried out at room temperature with stirring. There is no particular restriction on the time of mixing and rate of stirring, as long as all components are uniformly mixed together.
  • the mixing can be carried out by speed-mixture at 1000 to 3000 RPM, preferably 1500 to 2500 RPM for 5 to 60 min, more preferably 6 to 30 min.
  • the viscosity of the radiation-curable composition at 25 °C is less than 2000 mPa.s, preferably less than 1500 mPa.s, more preferably less than 1200 mPa.s.
  • the radiation-curable composition of the present invention shows excellent stability. When the composition is centrifuged at 25 °C, there is only slight phase separation after 2 hours, preferably after 5 hours, more preferably after 16 hours.
  • One aspect of the present invention relates to a process of forming 3D-printed object, comprising using the radiation-curable composition of the present invention.
  • the process of forming a 3D-printed object comprises the steps of:
  • the curing time in step (i) and (ii) may be determined respectively by a skilled person according to practical application.
  • the curing time for each layer may be from 0.5 to 15s, such as from 1 to 10 s.
  • the curing time for the whole intermediate 3D-printed object may be in the range from 10 min to 500 min, for example 20 min, 30 min, 40 min, 60 min, 80 min, 100 min, 120 min, 180 min, 250 min, 300 min, 400 min, preferably from 10 min to 250 min.
  • step (i) or step (ii) There is no specific restriction on the temperature during step (i) or step (ii). Specifically, the temperature may be selected depending on the material and the 3D printer used.
  • Step (iii) of the process of forming a 3D-printed object of the present invention may be carried out at the temperature of 60 to180°C, preferably 80 to 150 °C, more preferably 100 to 140 °C, for such as 1 hour to 48 hours, for example 2 hours, 4 hours, 6 hours, 8 hours, 10 hours, 12 hours, 16 hours, 20 hours, 24 hours, 28 hours, 32 hours, 36 hours, 40 hours, 44 hours, 48 hours, preferably for 4 hours to 36 hours, 6 hours to 36 hours, 8 hours to 36 hours, 10 hours to 24 hours, 12 hours to 24 hours, 12 hours to 20 hours, 16 hours to 36 hours, 20 hours to 36 hours, 24 hours to 36 hours, 28 hours to 36 hours.
  • the temperature during step (iii) may be changed as required.
  • step (iii) of the process of forming a 3D-printed object of the present invention may be carried out in two stages, with the first stage being carried out at the temperature of 80°C for one hour and the second stage being carried out at the temperature of 130°C for 2 hours.
  • the radiation may be actinic ray that has sufficient energy to initiate a polymerization or cross-linking reaction.
  • the actinic ray can include but is not limited to a-rays, y-rays, ultraviolet radiation (UV radiation), visible light, and electron beams, wherein UV radiation and electron beams, especially, UV radiation is preferred.
  • the wavelength of the radiation light can be in the range from 350 to 480 nm, for example 365 nm, 385 nm, 395 nm, 405 nm, 420 nm, 440nm, 460nm, 480nm.
  • Stereolithography SLA
  • digital light processing DLP
  • PPJ photopolymer jetting
  • LCD technology LCD technology or other techniques known by a person skilled in the art can be employed in step (i) of the process of forming 3D-printed objects of the present invention.
  • the production of cured 3D objects of complex shape is performed for instance by means of digital light processing (DLP), which has been known for a number of years.
  • DLP digital light processing
  • the desired shaped article is built up from a radiation-curable composition with the aid of a recurring, alternating sequence of three steps (1), (2) and (3).
  • the radiation-curable composition is filled into the build region between a carrier and an optically transparent membrane.
  • step (2) a layer of the radiation-curable composition is cured with the aid of appropriate imaging radiation, preferably imaging radiation from a computer-controlled UV light projector, which corresponds to the desired cross-sectional area of the shaped article to be formed, and in step (3), the cured radiation-curable composition and the carrier is moving away from the optically transparent membrane.
  • appropriate imaging radiation preferably imaging radiation from a computer-controlled UV light projector, which corresponds to the desired cross-sectional area of the shaped article to be formed
  • step (3) the cured radiation-curable composition and the carrier is moving away from the optically transparent membrane.
  • the present invention further relates to a 3D-printed object formed from the curable composition of the present invention or obtained by the process of the present invention.
  • Examples of the 3D-printed objects comprises functional parts with advanced properties for au- tomotive/mold application, or demonstration parts that require ceramic-like feelings.
  • Miramer M370 Tris (2-hydroxy ethyl) isocyanurate triacrylate, available from Miwon;
  • ACMO Acryloylmorpholine, available from RAHN;
  • TG-C100 spherical silica particles, average particle size D 5 o is 115 nm, surface treated with 1 , 1 , l-trimethyl-N-(trimethylsilyl)- (TMS), available from Cabot;
  • TPX-5110 spherical silica particles, average particle size D 5 o is115 nm, surface treated with methacrylic silane (Methacryloxypropyltrimethoxysilane (MPS)), available from Cabot;
  • methacrylic silane Metaloxypropyltrimethoxysilane (MPS)
  • SC2500-SMJ spherical silica particles, average particle size D 5 o is 500nm, surface treated with methacrylic silane (Methacryloxypropyltrimethoxysilane (MPS)), available from Admatechs.
  • methacrylic silane Metaloxypropyltrimethoxysilane (MPS)
  • the viscosity of the raditaion-curable composition was determined using a Brookfield AMETEK DV3T rheometer. For each test, approximately 0.65 ml of sample was used, and shear rates between 1 s’ 1 and 30 s -1 were selected according to the viscosities.
  • Resin stability was measured using a stability analyzer (LumiFuge, LUM). Liquid samples were loaded into plastic vials and centrifuged with designated spinning speed, duration and temperature, during which the particle sedimentation behavior was monitored by measuring the transmittance of a laser beam passing through the surface region of the liquid samples. And the resin stability can be directly compared by observing the phase separation after the test.
  • LUM stability analyzer
  • the light polymerizable liquid composition 1 was prepared by adding all components in amounts as listed in Table 1 into a plastic vial and mixing by speed-mixer at 2000RPM for 10 minutes at 50°C to obtain the liquid base composition.
  • Example 1-3 were prepared by mixing composition 1 and three spherical silica particles in different filler loadings as listed in Table 2 into a plastic vial and mixing by speed-mixer at 2000RPM for 10 minutes to obtain homogeneous filler-containing resins.
  • Filler loading means the weight percentage of the inorganic particles based on the total weight of the radiation-curable composition.
  • Viscosity of the radiation-curable composition containing different amount of inorganic particles are tested as shown in Table 2.
  • composition of examples 4-7 are the same but with different preparing method as shown in table 3.
  • the composition consists of 35 g composition 1 and 65 g SC2500-SMJ.
  • the curable compositions in example 8-11 were prepared by adding silica particles by amount as listed in Table 4 into a plastic vial and mixing with composition 1 by speed-mixer at 2000RPM for 10 minutes to obtain homogeneous filler-containing resins.
  • the curable compositions of examples 8-11 were printed using a MiiCraft 150 3D printer, which is a desktop Digital Light Processing (DLP) 3D printer with light wavelength at 405 nm.
  • a MiiCraft 150 3D printer which is a desktop Digital Light Processing (DLP) 3D printer with light wavelength at 405 nm.
  • DLP Digital Light Processing
  • curable compositions were loaded into a vat within the printer.
  • Detailed printing parameters are summarized as follows: UV energy 4.75 mW/cm 2 , base curing time 10.0 s, base layer 1 , curing time 2.0 s, buffer layer 5.
  • the printed parts were soaked in isopropanol and shook for 10 seconds to remove uncured resin on the surface, followed by being dried using compressed air.
  • Parts with smooth-dry surfaces can be obtained after being UV post-cured for 40 minutes using a NextDent post-curing unit (LC-3DPrint box). Thermal treatment was performed by heating samples at 120 °C for 2 hours.
  • the curable compositions in example 12 was prepared by adding all components in amounts as shown in table 5 into a plastic vial and mixing by speed-mixer at 2000RPM for 10 minutes at 50 °C to obtain the liquid curable compositions.
  • the curable compositions of examples 12 was printed using a MiiCraft 150 3D printer, which is a desktop Digital Light Processing (DLP) 3D printer with light wavelength at 405 nm.
  • a MiiCraft 150 3D printer which is a desktop Digital Light Processing (DLP) 3D printer with light wavelength at 405 nm.
  • DLP Digital Light Processing
  • curable compositions were loaded into a vat within the printer.
  • Detailed printing parameters are summarized as follows: UV energy 4.75 mW/cm 2 , base curing time 10.0 s, base layer 1 , curing time 2.0 s, buffer layer 5.
  • the printed parts were soaked in isopropanol and shook for 12 seconds to remove uncured resin on the surface, followed by being dried using compressed air.
  • Parts with smooth-dry surfaces can be obtained after being UV post-cured for 40 minutes using a NextDent post-curing unit (LC-3DPrint box). Thermal treatment was performed by heating samples at 120 °C for 2 hours.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Polymerisation Methods In General (AREA)

Abstract

La présente invention concerne une composition durcissable par rayonnement comprenant (a) au moins un liquide polymérisable à la lumière ; (b) au moins une particule inorganique sphérique ayant une taille de particule moyenne D50 de 50 à 2000 nm ; (c) au moins un photoinitiateur.
PCT/EP2023/076666 2022-09-30 2023-09-27 Composition de résine durcissable par rayonnement utilisée pour fabriquer un moule tridimensionnel WO2024068708A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2022123238 2022-09-30
CNPCT/CN2022/123238 2022-09-30

Publications (1)

Publication Number Publication Date
WO2024068708A1 true WO2024068708A1 (fr) 2024-04-04

Family

ID=88236429

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2023/076666 WO2024068708A1 (fr) 2022-09-30 2023-09-27 Composition de résine durcissable par rayonnement utilisée pour fabriquer un moule tridimensionnel

Country Status (1)

Country Link
WO (1) WO2024068708A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1087810A (ja) * 1996-09-20 1998-04-07 Japan Synthetic Rubber Co Ltd 光硬化性樹脂組成物および樹脂製型の製造方法
US6177232B1 (en) * 1997-07-21 2001-01-23 Vantico Inc. Sedimentation stabilized radiation-curable filled compositions
EP1508834A2 (fr) * 2003-08-19 2005-02-23 3D Systems, Inc. Résines stéréolithographiques garnies de nanoparticules
EP3795359A1 (fr) * 2019-08-26 2021-03-24 Shofu Inc. Composition dentaire photopolymérisable pour imprimante 3d
CN112552461A (zh) * 2020-11-24 2021-03-26 深圳光华伟业股份有限公司 光固化成型的耐高温光敏树脂及其制备方法与应用
WO2021173795A2 (fr) * 2020-02-25 2021-09-02 Arkema France Compositions durcissables par voie actinique rapide pour composites 3d
JP2022070123A (ja) * 2020-10-26 2022-05-12 ナガセケムテックス株式会社 光硬化性樹脂組成物およびこれを用いる光造形物の製造方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1087810A (ja) * 1996-09-20 1998-04-07 Japan Synthetic Rubber Co Ltd 光硬化性樹脂組成物および樹脂製型の製造方法
US6177232B1 (en) * 1997-07-21 2001-01-23 Vantico Inc. Sedimentation stabilized radiation-curable filled compositions
EP1508834A2 (fr) * 2003-08-19 2005-02-23 3D Systems, Inc. Résines stéréolithographiques garnies de nanoparticules
EP3795359A1 (fr) * 2019-08-26 2021-03-24 Shofu Inc. Composition dentaire photopolymérisable pour imprimante 3d
WO2021173795A2 (fr) * 2020-02-25 2021-09-02 Arkema France Compositions durcissables par voie actinique rapide pour composites 3d
JP2022070123A (ja) * 2020-10-26 2022-05-12 ナガセケムテックス株式会社 光硬化性樹脂組成物およびこれを用いる光造形物の製造方法
CN112552461A (zh) * 2020-11-24 2021-03-26 深圳光华伟业股份有限公司 光固化成型的耐高温光敏树脂及其制备方法与应用

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Plastics Additive Handbook", 2001, PUBLISHERS, MUNICH, pages: 116 - 122

Similar Documents

Publication Publication Date Title
JP6347902B1 (ja) 活性エネルギー線硬化型ホットメルトシリコーン組成物、その硬化物、およびフィルムの製造方法
KR101827588B1 (ko) 중합성 이온 액체 조성물
JP5844371B2 (ja) ケイ素含有硬化性組成物及びその硬化物
TWI712650B (zh) 含反應性倍半矽氧烷化合物之聚合性組成物
JP6467610B2 (ja) 鉱物ナノ粒子を含む液状重合性組成物、及び光学物品を製造するためのその使用
JPWO2010116841A1 (ja) 硬化性組成物及びその硬化物
KR20080024537A (ko) 고체 충전제를 함유하는 중합성 조성물, 이것으로 만들어진물품 및 제조 방법
JP2009120832A (ja) 重合性組成物、硬化物、および光学部材
JP2020529489A (ja) 二重硬化性樹脂組成物、該組成物から調製された硬化体、及び該硬化体を含む電子機器
JP6327408B1 (ja) （メタ）アクリル系組成物、それを含む塗料および硬化体
JP2009173694A (ja) シリコーン系重合体粒子および該粒子を含有する硬化性樹脂組成物
JP2001139663A (ja) 光学的造形用樹脂組成物、その製造方法及び光学的造形物
JP5502791B2 (ja) 硬化性樹脂組成物、その硬化物並びに光学材料
WO2024068708A1 (fr) Composition de résine durcissable par rayonnement utilisée pour fabriquer un moule tridimensionnel
US5714524A (en) Photocurable silicone composition
JP6994562B2 (ja) コーティング用樹脂組成物及びその硬化物をコーティング層として含むコーティングフィルム
WO2014014045A1 (fr) Composition durcissable pour lecteur de disque dur
EP4298480A1 (fr) Composition durcissable comprenant un liquide polymérisable à la lumière et un précurseur époxy pour revêtement, formation d'objet 2d et impression 3d
JP7163958B2 (ja) 重合性組成物及び立体造形物の製造方法
JP6939725B2 (ja) 酸素硬化性シリコーン組成物およびその硬化物
JPH04161435A (ja) ガラス繊維質用硬化性シリコン樹脂組成物及びその硬化物
JP5620151B2 (ja) 光学デバイス
JP6799633B2 (ja) （メタ）アクリル系組成物、それを含む塗料および硬化体
KR102067133B1 (ko) 광경화성 실리콘 겔 조성물
TWI772579B (zh) （甲基）丙烯酸系組成物的製造方法、包含（甲基）丙烯酸系組成物的塗料及硬化體

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 23782477

Country of ref document: EP

Kind code of ref document: A1