US 12,280,549 B2
Support material for fused deposition modeling, and manufacturing method of fused deposition modeled structure and three-dimensional object using same
Norihito Sakai, Tokyo (JP)
Assigned to MITSUBISHI CHEMICAL CORPORATION, Tokyo (JP)
Filed by MITSUBISHI CHEMICAL CORPORATION, Tokyo (JP)
Filed on Sep. 14, 2022, as Appl. No. 17/944,668.
Application 17/944,668 is a continuation of application No. PCT/JP2021/010809, filed on Mar. 17, 2021.
Claims priority of application No. 2020-062287 (JP), filed on Mar. 31, 2020.
Prior Publication US 2023/0023495 A1, Jan. 26, 2023
Int. Cl. B29C 64/40 (2017.01); B29C 64/118 (2017.01); B33Y 10/00 (2015.01); B33Y 70/00 (2020.01); B33Y 80/00 (2015.01); B29K 629/00 (2006.01); B29K 667/00 (2006.01)
CPC B29C 64/40 (2017.08) [B29C 64/118 (2017.08); B33Y 10/00 (2014.12); B33Y 70/00 (2014.12); B33Y 80/00 (2014.12); B29C 2791/002 (2013.01); B29K 2629/04 (2013.01); B29K 2667/00 (2013.01); B29K 2715/006 (2013.01); B29K 2995/006 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A support material for fused deposition modeling comprising
(A) polyvinyl alcohol-based resin having a group containing sulfonic acid or a salt thereof, and
(B) biodegradable polyester,
wherein the (A) polyvinyl alcohol-based resin having a group containing sulfonic acid or a salt thereof further comprises sodium acetate, and
wherein the content of sodium acetate is from 0.5 to 2.0 parts by weight with respect to 100 parts by weight of (A) polyvinyl alcohol-based resin having a group containing sulfonic acid or a salt thereof.