Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
  • A61C19/00—Dental auxiliary appliances
  • A61C19/003—Apparatus for curing resins by radiation
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
  • A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
  • A61F11/06—Protective devices for the ears
  • A61F11/08—Protective devices for the ears internal, e.g. earplugs
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K6/00—Preparations for dentistry
  • A61K6/60—Preparations for dentistry comprising organic or organo-metallic additives
  • A61K6/62—Photochemical radical initiators
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K6/00—Preparations for dentistry
  • A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
  • A61K6/884—Preparations for artificial teeth, for filling teeth or for capping teeth comprising natural or synthetic resins
  • A61K6/887—Compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K6/00—Preparations for dentistry
  • A61K6/90—Compositions for taking dental impressions
• • 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
  • B29C64/124—Processes 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
• • 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
  • B33Y80/00—Products made by additive manufacturing
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
  • C08F2/00—Processes of polymerisation
  • C08F2/46—Polymerisation initiated by wave energy or particle radiation
  • C08F2/48—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
  • C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
  • C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
  • C08F290/06—Polymers provided for in subclass C08G

Definitions

• An object of one aspect of the present disclosure is to provide a photocurable composition suitable for obtaining a device that suppresses breakage when worn in the ear or oral cavity and is easy to wear in the ear or oral cavity, and this photocurable composition.
• An object of the present invention is to provide a three-dimensional molded object, an instrument to be worn in the oral cavity, and an instrument to be worn in the ear, which can be obtained from a photocurable composition.
• ⁇ 8> The photocurable composition according to any one of ⁇ 1> to ⁇ 7>, which is used for manufacturing an instrument to be worn in the oral cavity or an instrument to be worn in the ear.
• ⁇ 9> A three-dimensional object of the photocurable composition according to any one of ⁇ 1> to ⁇ 8>.
• ⁇ 10> An appliance to be worn in the oral cavity, including the three-dimensional structure according to ⁇ 9>.
• ⁇ 11> An instrument to be worn in the ear, including the three-dimensional structure according to ⁇ 9>.
• the content of the photopolymerizable component relative to the total amount of the photocurable composition of the present disclosure is preferably 60% by mass or more, more preferably 80% by mass or more, and further preferably 90% by mass or more. preferable.
• the upper limit of the content of the photopolymerizable component with respect to the total amount of the photocurable composition of the present disclosure is not particularly limited, and may be less than 100% by mass, and may be, for example, 99.9% by mass or less.
• R 2 and R 3 are divalent chain hydrocarbon groups having a substituent
• substituents include; an alkyl group having 1 to 6 carbon atoms such as a methyl group and an ethyl group; Aryl group; Cycloalkyl groups having 3 to 6 carbon atoms such as cyclopentyl group and cyclohexyl group; tolyl group; xylyl group; Cumyl group; Styryl group; Alkoxyphenyl groups such as methoxyphenyl group, ethoxyphenyl group, propoxyphenyl group; Examples include phenoxyalkyl groups such as phenoxymethyl group, phenoxyethyl group, and phenoxypropyl group.
• R 11 is a monovalent organic group
• R 12 is an amino group (-NR-, R is a hydrogen atom or a hydrocarbon group) or an oxygen atom.
• the photocurable composition of the present disclosure includes (meth)acrylic monomers other than di(meth)acrylic monomer (A) and mono(meth)acrylic monomer (B) (other (meth)acrylic (Also referred to as monomer).
• the photocurable composition of the present disclosure includes a photopolymerization initiator.
• the photocurable composition of the present disclosure may contain only one kind of photopolymerization initiator, or may contain two or more kinds of photopolymerization initiators.
• the photopolymerization initiator is not particularly limited as long as it generates radicals when irradiated with light, and is preferably one that generates radicals at the wavelength of light used during stereolithography.
• the wavelength of the light used during stereolithography is generally 365 nm to 500 nm, but is practically preferably 365 nm to 430 nm, and more preferably 365 nm to 420 nm.

Landscapes

• Health & Medical Sciences (AREA)
• Chemical & Material Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Oral & Maxillofacial Surgery (AREA)
• Engineering & Computer Science (AREA)
• Animal Behavior & Ethology (AREA)
• General Health & Medical Sciences (AREA)
• Public Health (AREA)
• Veterinary Medicine (AREA)
• Epidemiology (AREA)
• Materials Engineering (AREA)
• Manufacturing & Machinery (AREA)
• Organic Chemistry (AREA)
• Biophysics (AREA)
• Polymers & Plastics (AREA)
• Medicinal Chemistry (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Physics & Mathematics (AREA)
• Vascular Medicine (AREA)
• Dentistry (AREA)
• Plastic & Reconstructive Surgery (AREA)
• Heart & Thoracic Surgery (AREA)
• Mechanical Engineering (AREA)
• Optics & Photonics (AREA)
• Biomedical Technology (AREA)
• Psychology (AREA)
• Otolaryngology (AREA)
• Acoustics & Sound (AREA)
• Polymerisation Methods In General (AREA)

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Publications (1)

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Family Applications (1)

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Cited By (1)

Citations (9)

• 2023
  • 2023-03-24 WO PCT/JP2023/012012 patent/WO2023190254A1/ja not_active Ceased
  • 2023-03-24 JP JP2024512413A patent/JPWO2023190254A1/ja active Pending

Patent Citations (9)

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