EP4157916A1 - Photopolymer-epoxy-zusammensetzung und photoinitiator zu deren härtung - Google Patents

Photopolymer-epoxy-zusammensetzung und photoinitiator zu deren härtung

Info

Publication number
EP4157916A1
EP4157916A1 EP21816917.5A EP21816917A EP4157916A1 EP 4157916 A1 EP4157916 A1 EP 4157916A1 EP 21816917 A EP21816917 A EP 21816917A EP 4157916 A1 EP4157916 A1 EP 4157916A1
Authority
EP
European Patent Office
Prior art keywords
composition
weight parts
photoinitiator
photopolymer
mixture
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
EP21816917.5A
Other languages
English (en)
French (fr)
Inventor
Tali OSIROFF
Tom DOLEV
Ofir EREZ
Yoram BEN ARI
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.)
Polymer Gvulot Ltd
Original Assignee
Polymer Gvulot 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
Priority claimed from IL275026A external-priority patent/IL275026A/en
Application filed by Polymer Gvulot Ltd filed Critical Polymer Gvulot Ltd
Priority claimed from PCT/IL2021/050623 external-priority patent/WO2021245650A1/en
Publication of EP4157916A1 publication Critical patent/EP4157916A1/de
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03FPHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004Photosensitive materials
    • G03F7/038Macromolecular compounds which are rendered insoluble or differentially wettable
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/46Polymerisation initiated by wave energy or particle radiation
    • C08F2/48Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
    • C08F2/50Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
    • 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
    • C08G59/00Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/20Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
    • C08G59/22Di-epoxy compounds
    • C08G59/24Di-epoxy compounds carbocyclic
    • 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
    • C08G59/00Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/40Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
    • C08G59/4007Curing agents not provided for by the groups C08G59/42 - C08G59/66
    • C08G59/4064Curing agents not provided for by the groups C08G59/42 - C08G59/66 sulfur containing compounds
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03FPHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004Photosensitive materials
    • G03F7/0045Photosensitive materials with organic non-macromolecular light-sensitive compounds not otherwise provided for, e.g. dissolution inhibitors
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03FPHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/16Coating processes; Apparatus therefor
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03FPHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004Photosensitive materials
    • G03F7/09Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers
    • G03F7/105Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers having substances, e.g. indicators, for forming visible images

Definitions

  • the invention provides a photoinitiator comprising one or more triarylsulfonium hexafluoro antimonate compounds together with a silane.
  • the silane comprises an alkysilane.
  • said photoinitiator comprises, in one embodiment, triarylsulfonium hexafluoro antimonate, silane, and an ester of carboxymethoxy-benzophenone with poly methyl ethylene glycol or with poly tetramethylene glycol.
  • the composition contains at least one component selected from silica, glass fiber, and aliphatic polyester polyols.
  • the photopolymer composition of the invention may further comprise at least one bisphenol A epoxy compound, which, in another specific embodiment constitutes 20-40 wt% of the composition.
  • said bisphenol A epoxy compound is bisphenol A diglycidyl ether (BADGE).
  • the photopolymer composition of the invention may further comprise at least acrylic compound, which, in another specific embodiment constitutes 5-10 wt% of the composition.
  • said acrylic compound is 2-(allyloxymethyl)acrylic acid methyl ester.
  • the resultant composition is UV curable.
  • the photopolymer composition the acrylic compound is 2-(allyloxymethyl)acrylic acid methyl ester.
  • the photopolymer compositions include 2-(allyloxymethyl)acrylic acid methyl ester.
  • the 2- (allyloxymethyl)acrylic acid methyl ester constitutes at least 5 wt% of the composition.
  • the photopolymer composition is fast solidifying and/or insensitive to oxygen and/or provides a polymer with a high mechanical and dielectric strength.
  • Fig. 2. shows the effect of non-settling of added fillers in the formulation due to the incorporation of the nano-composite in the formulation
  • Fig. 3. demonstrates the dark cure effect of the epoxy formulation; by presenting the Young modulus as a function of time following initial exposure of 20 sec to 15mW/cm2 of UV-LED @ 395nm under air, at RT; and Fig. 4. thermal acceleration of the dark cure effect is demonstrated through presentation of Young modulus versus time at various temperatures, following initial exposure of 20 sec to 15mW/cm2 of UV-LED @ 395nm under air.
  • Said cycloaliphatic epoxy compounds may include one or more materials selected from EEC, hydrogenated bisphenol A diglycidyl ether (HBD), epoxy acrylates, and others.
  • Said bisphenol A epoxy compound may include one or more materials selected from bisphenol A diglycidyl ether (BADGE), bisphenol F diglycidyl ether (BFDGE), and others.
  • Said acrylic compound may include one or more materials selected from 2- (allyloxymethyl)acrylic acid methyl ester, 2-(allyloxyethyl)acrylic acid methyl ester, and others.
  • the system of the invention is easy to use, fast cure, and safe, and provides a tough product; the composition before curing has good flowability at room temperature, and it can be stably stored for future use, at least for 2 months, such as at least 3 months or at least 4 months or at least 5 months or at least 6 months.
  • Cationic curing mechanism exhibits curing within seconds under UV LED, or more when employing nano-composite toughening system.
  • the nano-composite toughening system renders the product high impact strength and long term weather resistance.
  • the product and the method for preparing it are non-hazardous and safe for the environment.
  • Photopolymerization system of the invention belongs to green technologies, as it is characterized by low electrical power input and energy requirements, low temperature operation and no volatile organic compound release.
  • the photoinitiator according to the invention is a hybrid cationic/free radical photoinitiator for UV LED curable epoxies.
  • QPI comprises photo energy shifting ingredients, and/or free-radical photoinitiators.
  • the photoinitiator of the invention may comprise a mixture of sulfonium based photo and thermal cure initiators.
  • the photoinitiator of the invention may comprise a color purifying additive, such as ultramarine blue.
  • nano based toughener (QPN) for cationic cure cycloaliphatic epoxy systems comprising an organic-inorganic nanocomposite and exhibiting transparency which makes it advantageously usable for epoxy based UV curing.
  • TMS Tris(trimethylsilyl)silane
  • GTS Glycidyloxypropyltrimethoxysilane
  • the photoinitiator mixture (mixture 1, abbreviated QPI) was prepared by mixing 2.63 g of TSHA in propylene carbonate 1:1, 0.14 g of silane, 0.81 g of ECBP, and 0.14 g of AH.
  • Nano based toughener in accordance with one aspect of the invention was tested and compared with agents generally used for epoxies, including core-shell rubber particles (butadiene/styrene, polybutadiene or acrylate), core shell toughened resins ALBIDUR ® (Siloxane), rubber modified epoxies (butadiene-acrylonitrile rubbers / CTBN), thermoplastic granulated or dissolved polymers. (PES, PEEK or PEI), nanosilica containing epoxy resins NANOPOX ® (surface modified silica), mineral / inorganic fillers.
  • the material according to the invention provided better results when measuring material fractures.
  • the photoinitiator mixture (mixture 1, abbreviated QPI) was prepared by mixing 2.63 g ofTSHA in propylene carbonate 1:1, 0.14 g of silane, 0.81 g of ECBP, and 0.14 g of AH.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Epoxy Resins (AREA)
EP21816917.5A 2020-06-01 2021-05-26 Photopolymer-epoxy-zusammensetzung und photoinitiator zu deren härtung Pending EP4157916A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IL275026A IL275026A (en) 2020-06-01 2020-06-01 A photopolymer epoxy composition and a photoinitiator for curing same
IL2020050833 2020-07-28
PCT/IL2021/050623 WO2021245650A1 (en) 2020-06-01 2021-05-26 A photopolymer epoxy composition and a photoinitiator for curing same

Publications (1)

Publication Number Publication Date
EP4157916A1 true EP4157916A1 (de) 2023-04-05

Family

ID=79551925

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21816917.5A Pending EP4157916A1 (de) 2020-06-01 2021-05-26 Photopolymer-epoxy-zusammensetzung und photoinitiator zu deren härtung

Country Status (2)

Country Link
EP (1) EP4157916A1 (de)
IL (1) IL283470A (de)

Also Published As

Publication number Publication date
IL283470A (en) 2021-12-01

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