Title:
METHOD FOR PRODUCING THREE-DIMENSIONAL MOLDED OBJECTS
Document Type and Number:
WIPO Patent Application WO/2023/008233
Kind Code:
A1
Abstract:
Provided is a method for producing a three-dimensional molded object, said method comprising: a molding step of obtaining a molded article that has a shape corresponding to a target shape and contains in its interior an effective amount of a photopolymerization initiator, said molded article being obtained by a vat photopolymerization method that uses a liquid photocurable composition comprising a radical-polymerizable monomer, an inorganic filler, a photopolymerization initiator, an activation light absorber, and a polymerization inhibitor; and a post-polymerization step of polymerizing the unpolymerized component present in the molded article by irradiating the molded article with activation light at an irradiation intensity of 10-10,000 mW/cm2 and thereafter heating at a temperature of at least 50°C but less than 110°C. Also provided is a method for producing a dental restoration material, wherein the dental restoration material is produced by the instant method for producing a three-dimensional molded object.
Inventors:
SAKATA EIBU (JP)
NAKASHIMA KEI (JP)
NAKASHIMA KEI (JP)
Application Number:
PCT/JP2022/027871
Publication Date:
February 02, 2023
Filing Date:
July 15, 2022
Export Citation:
Assignee:
TOKUYAMA DENTAL CORP (JP)
International Classes:
B29C64/124; A61C13/15; A61K6/831; A61K6/887; B29C64/264; B33Y10/00; B33Y70/10; B33Y80/00; C08F2/44
Domestic Patent References:
| WO2020235628A1 | 2020-11-26 |
Foreign References:
| JP2021504511A | 2021-02-15 | |||
| JP2020158417A | 2020-10-01 | |||
| JP2016525150A | 2016-08-22 | |||
| JP2018076455A | 2018-05-17 |
Attorney, Agent or Firm:
KATO Ryuta et al. (JP)
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