SLURRY FOR PHOTOFABRICATION AND METHOD FOR MANUFACTURING PHOTOFABRICATED ARTICLE USING SAME

WIPO Patent Application WO/2020/031989

A1

[Problem] To provide a slurry to be used in photofabrication for manufacturing a highly detailed three-dimensional fabricated article, and a photofabrication method in which this slurry is used. [Solution] A slurry for photofabrication can achieve both coating characteristics and at-rest shape retention characteristics by: including a photocurable resin, first inorganic particles, and second inorganic particles; the average particle diameter of the first inorganic particles being 1–5 µm; the particle diameter of the second inorganic particles being no more than 0.22 times that of the first inorganic particles; the volume ratio of the second inorganic particles to the first inorganic particles being at least 0.01; and the viscosity at shear velocities of 10 1/s and 0.01 1/s being 50 Pa·s or less and 500 Pa·s or more, respectively. By forming a pattern using laser light in a layer of this slurry, a highly detailed three-dimensional photofabricated article can be manufactured.

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KIRIHARA SOSHU (JP)
HOKI TETSUO (JP)
MATSUBARA AKIO (JP)

PCT/JP2019/030788

February 13, 2020

August 05, 2019

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SHASHIN KAGAKU CO LTD (JP)
UNIV OSAKA (JP)

B28B1/30; B29C64/135; B29C64/314; B33Y10/00; B33Y70/00

JP2015205485A	2015-11-19
JP2017132092A	2017-08-03
JP2017214658A	2017-12-07
JP2003337201A	2003-11-28
JP2005067998A	2005-03-17

MORIWAKI IP, P.C. (JP)

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