Title:
PHOTOCURABLE COMPOSITION, THREE-DIMENSIONAL SHAPED ARTICLE, AND DENTAL PRODUCT
Document Type and Number:
WIPO Patent Application WO/2022/009880
Kind Code:
A1
Abstract:
A photocurable composition wherein the storage modulus at 135°C of a test piece P1, as measured by dynamic viscoelasticity measurement in which the storage modulus is measured at a measurement frequency of 1 Hz while increasing the temperature at an temperature increase range of 25-300°C and a temperature increase rate of 3°C/minute, is not less than 3.0×108 Pa, said test piece P1 being produced by: forming a cured layer P1 with a thickness of 50 μm by irradiating the photocurable composition with visible light having a wavelength of 405 nm at an irradiation quantity of 11 mJ/cm2; forming a rectangular plate-like shaped article P1 with a length of 40 mm, a width of 10 mm, and a thickness of 0.5 mm by laminating cured layers P1 in the thickness direction; and forming the rectangular plate-like test piece P1 with a length of 40 mm, a width of 10 mm, and a thickness of 0.5 mm by performing photofabrication with respect to the shaped article P1 using irradiation of ultraviolet light having a wavelength of 365 nm at an irradiation quantity of 3 J/cm2.
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Inventors:
HAYASHI TAKAAKI (JP)
SAKAMAKI TOSHIKAZU (JP)
KIMURA MAI (JP)
MURAI HIROKI (JP)
ENDO SUGURU (JP)
KOBAYASHI EIJI (JP)
SAKAMAKI TOSHIKAZU (JP)
KIMURA MAI (JP)
MURAI HIROKI (JP)
ENDO SUGURU (JP)
KOBAYASHI EIJI (JP)
Application Number:
PCT/JP2021/025460
Publication Date:
January 13, 2022
Filing Date:
July 06, 2021
Export Citation:
Assignee:
MITSUI CHEMICALS INC (JP)
International Classes:
C08F20/10; A61C3/04; A61C7/08; A61C13/34; B29C64/106; B29C64/264; B33Y70/00; C08F220/00
Domestic Patent References:
| WO2017047693A1 | 2017-03-23 | |||
| WO2018105463A1 | 2018-06-14 | |||
| WO2019189652A1 | 2019-10-03 |
Foreign References:
| JP2008189782A | 2008-08-21 | |||
| JP2012102226A | 2012-05-31 | |||
| JP2016525150A | 2016-08-22 | |||
| JP2019521188A | 2019-07-25 | |||
| JP2007277537A | 2007-10-25 | |||
| JP2010176788A | 2010-08-12 | |||
| JP2016172796A | 2016-09-29 | |||
| JP2018087317A | 2018-06-07 | |||
| JP4160311B2 | 2008-10-01 | |||
| JP5111880B2 | 2013-01-09 | |||
| JP5235056B2 | 2013-07-10 | |||
| JP2020117229A | 2020-08-06 |
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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