	US 12,233,596 B2
	Jettable temporary solubolized peek binders to create removable support materials
Akira Saito, Kanagawa (JP); Koji Takimoto, Kanagawa (JP); Andrew J. Boydston, Cross Plains, WI (US); Chang-Uk Lee, Seattle, WA (US); Mark A. Ganter, Edmonds, WA (US); and Duane W. Storti, Seattle, WA (US)
Assigned to Ricoh Co., Ltd., Tokyo (JP)
Filed by Akira Saito, Kanagawa (JP); Koji Takimoto, Kanagawa (JP); Andrew J. Boydston, Cross Plains, WI (US); Chang-Uk Lee, Seattle, WA (US); Mark A. Ganter, Edmonds, WA (US); and Duane W. Storti, Seattle, WA (US)
Filed on Feb. 28, 2020, as Appl. No. 16/805,560.
Prior Publication US 2021/0268728 A1, Sep. 2, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. B29C 64/165 (2017.01); B29C 64/112 (2017.01); B29C 64/40 (2017.01); B33Y 10/00 (2015.01); B33Y 30/00 (2015.01); B33Y 40/20 (2020.01); B33Y 70/00 (2020.01); B29C 64/393 (2017.01); B29K 71/00 (2006.01); B33Y 50/02 (2015.01)

CPC B29C 64/165 (2017.08) [B29C 64/40 (2017.08); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12); B33Y 40/20 (2020.01); B33Y 70/00 (2014.12); B29C 64/112 (2017.08); B29C 64/393 (2017.08); B29K 2071/00 (2013.01); B33Y 50/02 (2014.12)]

10 Claims

1. A method for manufacturing a three-dimensional article, the method comprising:

(a) depositing a powder on a build plate to form a powder bed;

(b) printing, at selected locations on the powder bed, a solution of a first binding agent;

(d) exposing the first binding agent to a stimulus to form a polymer layer;

repeating steps (a), (b), and (d) to manufacture the remainder of the three-dimensional article; and

removing the second binding agent;

wherein the first and second binding agents are each printed at least once; wherein the first and second binding agents are printed at different selected locations on the power bed; and

wherein the second binding agent comprises a solubilized nitrated polyetheretherketone.