US 12,440,895 B2
Binding agents for printing 3D green body objects
Natalie Harvey, Corvallis, OR (US)
Assigned to Peridot Print LLC, Palo Alto, CA (US)
Appl. No. 17/294,063
Filed by PERIDOT PRINT LLC, Palo Alto, CA (US)
PCT Filed Jun. 7, 2019, PCT No. PCT/US2019/036087
§ 371(c)(1), (2) Date May 14, 2021,
PCT Pub. No. WO2020/246991, PCT Pub. Date Dec. 10, 2020.
Prior Publication US 2022/0119658 A1, Apr. 21, 2022
Int. Cl. B22F 10/14 (2021.01); B22F 1/107 (2022.01); B33Y 10/00 (2015.01); B33Y 70/10 (2020.01); C09D 11/033 (2014.01); C09D 11/037 (2014.01); C09D 11/107 (2014.01); C09D 11/322 (2014.01)
CPC B22F 10/14 (2021.01) [B22F 1/107 (2022.01); B33Y 10/00 (2014.12); B33Y 70/10 (2020.01); C09D 11/033 (2013.01); C09D 11/037 (2013.01); C09D 11/107 (2013.01); C09D 11/322 (2013.01); B22F 2304/10 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A binding agent for printing a 3D green body object, the binding agent consisting of:
1.7 wt % of an adhesion promoter including an aromatic maleic anhydride-containing copolymer having a weight average molecular weight ranging from about 1000 MW to about 1800 MW;
12 wt % of a (meth)acrylic latex binder;
26 wt % of a solvent package, wherein the solvent package consists of 1,2-butanediol as a coalescing solvent;
0.4 wt % of a colorant; and
59.9 wt % of water,
wherein weight percentage ranges are based on a total content of the binding agent, and wherein the binding agent is jettable via an inkjet printhead.