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Patent Searching and Data


Title:
PHOTOCURABLE COMPOSITION, CURED PRODUCT, AND DENTAL PRODUCT
Document Type and Number:
WIPO Patent Application WO/2021/193527
Kind Code:
A1
Abstract:
A photocurable composition which contains a photopolymerizable component and a photopolymerization initiator, wherein if a cured layer P1 having a thickness of 100 μm is formed by irradiating the photocurable composition with visible light having a wavelength of 405 nm at an irradiation quantity of 12 mJ/cm2, a cuboidal shaped article P1 having a length of 39 mm, a width of 8 mm and a thickness of 4 mm is formed by stacking cured layers P1 in the thickness direction, and a cuboidal test piece P1 having a length of 39 mm, a width of 8 mm and a thickness of 4 mm is produced by means of stereolithography wherein the shaped article P1 is irradiated with ultraviolet light having a wavelength of 365 nm at an irradiation quantity of 10 J/cm2, the total destruction work of the test piece P1 as determined in accordance with ISO 20795-1 (2008) is 1,100 J/m2 or more.

Inventors:
SAKAMAKI TOSHIKAZU (JP)
KIMURA MAI (JP)
MURAI HIROKI (JP)
HAYASHI TAKAAKI (JP)
ENDO SUGURU (JP)
Application Number:
PCT/JP2021/011703
Publication Date:
September 30, 2021
Filing Date:
March 22, 2021
Export Citation:
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Assignee:
MITSUI CHEMICALS INC (JP)
International Classes:
C08F290/06; A61K6/15; C08F2/50
Domestic Patent References:
WO2018105463A12018-06-14
WO2019189652A12019-10-03
WO2020203981A12020-10-08
WO2019189652A12019-10-03
Foreign References:
JP2019199448A2019-11-21
JP2016525150A2016-08-22
JP5111880B22013-01-09
JP5235056B22013-07-10
JP2020058696A2020-04-16
Other References:
See also references of EP 4112665A4
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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