US 12,479,993 B2
Binder agents for three-dimensional printing
Tienteh Chen, San Diego, CA (US); Natalie Harvey, Corvallis, OR (US); Cory J. Ruud, Corvallis, OR (US); and Vladek Kasperchik, Corvallis, OR (US)
Assigned to Peridot Print LLC, Palo Alto, CA (US)
Appl. No. 17/637,595
Filed by PERIDOT PRINT LLC, Palo Alto, CA (US)
PCT Filed Oct. 11, 2019, PCT No. PCT/US2019/055842
§ 371(c)(1), (2) Date Feb. 23, 2022,
PCT Pub. No. WO2021/071507, PCT Pub. Date Apr. 15, 2021.
Prior Publication US 2022/0275204 A1, Sep. 1, 2022
Int. Cl. C08L 71/02 (2006.01); B22F 1/103 (2022.01); B22F 10/00 (2021.01); B22F 10/14 (2021.01); B33Y 10/00 (2015.01); B33Y 70/00 (2020.01)
CPC C08L 71/02 (2013.01) [B22F 1/103 (2022.01); B22F 10/00 (2021.01); B22F 10/14 (2021.01); B33Y 10/00 (2014.12); B33Y 70/00 (2014.12)] 15 Claims
OG exemplary drawing
 
1. A three-dimensional printing kit comprising:
a dry particulate build material comprising from about 80 wt % to about 100 wt % of metal particles; and
a binder agent comprising:
water;
an organic co-solvent;
a nonionic surfactant comprising two hydrophilic head groups and two hydrophobic tail groups per molecule;
a dihydrazide compound; and
latex particles.