Mimaki Engineering Company, Ltd.

Maxell, Ltd.

Maxell Holdings, Ltd.

Katsuyuki Kitou

Taeko Izumo

Masakatsu Okawa

Kenta Hongo

There is provided a resin composition for a modeling material, used for shaping a modeling material by a manufacturing method for light curing molding using an ink-jet scheme, comprising (A) an ethylenic unsaturated monomer as a photocuring component, (B) a photopolymerization initiator, and (C) a surface adjusting agent, wherein the resin composition for a modeling material has surface tension Mt of 26.0 to 33.0 mN/m, and the resin composition for a modeling material has surface tension Mst represented by the following (i) expression of 33.0 mN/m or more, and this resin composition for a modeling materialcan afford a light cured article having the good dimensional accuracy.

Resin composition for modeling material, light curing molding ink set, and method for manufacturing optically shaped article

A resin composition for a modeling material for use in shaping a modeling material () by an ink-jet photofabrication method, the resin composition comprising, based on 100 parts by weight of the whole resin composition, 19 to 49 parts by weight of a water-insoluble monofunctional ethylenically unsaturated monomer (A), 15 to 50 parts by weight of a di- or more-functional polyfunctional ethylenically unsaturated monomer (B), 10 to 45 parts by weight of an oligomer (C), and a photopolymerization initiator (D). By this resin composition for a modeling material, a photofabrication product having good dimensional accuracy can be obtained.

Resin composition for modeling material, resin composition for supporting material, photofabrication product, and process for producing photofabrication product

There is provided a light curing molding ink set used for a manufacturing method for light curing molding using an ink-jet scheme, comprising a combination of a resin composition for a modeling material used for shaping the modeling material and a resin composition for a supporting material used for shaping the supporting material, wherein surface tension Mt (mN/m) of the resin composition for a modeling material is greater than surface tension St (mN/m) of the resin composition for a supporting material, and the surface tension Mt and the surface tension St satisfy the [0&#x3c;Mt &#x2212;St&#x3c;5] expression, and this light curing molding ink set can afford a light cured article having the good dimensional accuracy.

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Osaka, Japan

Katsuyuki Kitou