	US 11,787,958 B2
	Silicone 3D printing ink
André R. Studart, Zurich (CH); Manuel Schaffner, Zurich (CH); and Lucas Raphael Pianegonda, Bonaduz (CH)
Assigned to ETH Zurich, Zürich (CH)
Appl. No. 16/647,081
Filed by ETH Zurich, Zurich (CH)
PCT Filed Sep. 17, 2018, PCT No. PCT/EP2018/075067 § 371(c)(1), (2) Date Mar. 13, 2020, PCT Pub. No. WO2019/053258, PCT Pub. Date Mar. 21, 2019.
Claims priority of application No. 17191485 (EP), filed on Sep. 15, 2017.
Prior Publication US 2020/0216692 A1, Jul. 9, 2020
Int. Cl. B33Y 70/00 (2020.01); C09D 11/101 (2014.01); B33Y 10/00 (2015.01); B33Y 80/00 (2015.01); B29C 64/112 (2017.01); C09D 11/52 (2014.01); B29K 83/00 (2006.01); B29K 105/00 (2006.01); B29L 31/00 (2006.01)

CPC C09D 11/101 (2013.01) [B29C 64/112 (2017.08); B33Y 10/00 (2014.12); B33Y 70/00 (2014.12); B33Y 80/00 (2014.12); C09D 11/52 (2013.01); B29K 2083/00 (2013.01); B29K 2105/0023 (2013.01); B29K 2995/0005 (2013.01); B29K 2995/0082 (2013.01); B29L 2031/748 (2013.01)]

9 Claims

1. An additive manufacturing ink composition comprising:

a polysiloxane bearing a plurality of alkenyl groups and

a crosslinking agent bearing a plurality of thiol groups,

wherein the polysiloxane bearing the plurality of alkenyl groups and the crosslinking agent bearing the plurality of thiol groups form an emulsion,

wherein the polysiloxane bearing the plurality of alkenyl groups forms a continuous phase of the emulsion and the crosslinking agent bearing the plurality of thiol groups forms a discontinuous phase, and

wherein the discontinuous phase comprises droplets having a diameter of less than 100 micrometers.