Material for fused deposition modeling type three-dimensional modeling, and filament for fused deposition modeling type 3D printing device
[Problem] To provide a material for fused-deposition-type three-dimensional modeling whereby a warp-free modeled object is obtained without devising a modeling shape and without installing a special apparatus as a 3D printer device, and whereby a modeled article having flexibility as well as excellent surface polishing properties is obtained. [Solution] A material for fused-deposition-type three-dimensional modeling, obtained by blending 10-900 parts by weight of a styrene-based resin (B1) obtained by copolymerization of an aromatic vinyl-monomer (b1) and a cyanated vinyl-monomer (b2), and/or 5-400 parts by weight of a thermoplastic resin (B2) having a glass transition temperature of 20° C. or lower and/or 5-30 parts by weight of a plasticizer (B3), with respect to 100 parts by weight of a polylactic resin (A).
1. A material for fused deposition modeling type three-dimensional modeling which comprises a mixture obtained by blending together with 100 parts by weight of a polylactic acid resin (A) and an epoxy group-containing compound (C) one or more of the following components:
(i) 10 to 900 parts by weight of a styrene-based resin (B1) obtained by copolymerizing an aromatic vinyl-based monomer (b1) and a vinyl cyanide-based monomer (b2), and/or
(ii) 5 to 400 parts by weight of a thermoplastic resin (B2) the glass transition temperature of which is 20° C. or lower, and/or
(iii) 5 to 30 parts by weight of a plasticizer (B3),
wherein the styrene-based resin (B1) is excluded from the epoxy group-containing compound (C).
2. The material for fused deposition modeling type three-dimensional modeling according to claim 1 , wherein the optical purity of the polylactic acid resin (A) is 97% or less.
3. The material for fused deposition modeling type three-dimensional modeling according to claim 1 , wherein the thermoplastic resin (B2) comprises a copolymerized polyester resin.
4. The material for fused deposition modeling type three-dimensional modeling according to claim 1 , wherein the material comprises the styrene-based resin (B1) and the thermoplastic resin (B2) having a glass transition temperature of 20° C. or lower and the thermoplastic resin (B2) comprises a thermoplastic elastomer.
5. The material for fused deposition modeling type three-dimensional modeling according to claim 1 , wherein the plasticizer (B3) comprises an ester-based plasticizer and/or a polyalkylene glycol-based plasticizer.
6. A filament, particle or pellet for a fused deposition modeling type 3D printing device obtained by molding the material for fused deposition modeling type three-dimensional modeling according to claim 1 .
7. A modeled article obtained by modeling the filament, particle or pellet for a fused deposition modeling type 3D printing device according to claim 6 .
8. A method for producing a filament, particle or pellet for a fused deposition modeling type 3D printing device including a step of obtaining a filament, particle or pellet by molding the material according to claim 1 .
9. A method for producing a modeled article including a step of obtaining a modeled article using the filament, particle or pellet according to claim 6 in a fused deposition modeling type 3D printing device.
10. The material for fused deposition modeling type three-dimensional modeling according to claim 1 , wherein the mixture includes the styrene-based resin (B1) and the thermoplastic resin (B2).
11. The material for fused deposition modeling type three-dimensional modeling according to claim 1 , wherein the mixture includes the thermoplastic resin (B2) and the plasticizer (B3).