	US 12,084,588 B2
	Multi-component composition for additive manufacturing
Eric Arndt, Everett, MA (US); Luke Kwisnek, Somerville, MA (US); and Michael Morin, Somerville, MA (US)
Assigned to Formlabs, Inc., Somerville, MA (US)
Filed by Formlabs, Inc., Somerville, MA (US)
Filed on Dec. 22, 2021, as Appl. No. 17/558,850.
Claims priority of provisional application 63/129,785, filed on Dec. 23, 2020.
Prior Publication US 2022/0195236 A1, Jun. 23, 2022
Int. Cl. C08F 2/46 (2006.01); B29C 64/30 (2017.01); B33Y 40/20 (2020.01); B33Y 70/00 (2020.01); C08F 2/50 (2006.01); C08G 59/17 (2006.01); C08G 59/24 (2006.01); C08G 59/40 (2006.01); C08G 59/68 (2006.01); C08G 61/04 (2006.01); C09D 163/10 (2006.01); B29K 63/00 (2006.01)

CPC C09D 163/10 (2013.01) [B29C 64/30 (2017.08); B33Y 40/20 (2020.01); B33Y 70/00 (2014.12); C08G 59/1466 (2013.01); C08G 59/245 (2013.01); C08G 59/4028 (2013.01); C08G 59/685 (2013.01); B29K 2063/00 (2013.01)]

11 Claims

1. A multi-component composition for additive manufacturing, the composition comprising:

at least one cyanate ester-containing compound;

an epoxy-containing compound, wherein the epoxy-containing compound comprises a bisphenol epoxy-containing compound, a novolac epoxy-containing compound, a glycidyl ether epoxy-containing compound, a cycloaliphatic epoxy-containing compound, and/or mixtures thereof; and

an acrylate- or methacrylate-containing compound,

wherein a combined amount of the at least one cyanate ester-containing compound and the epoxy-containing compound is greater than 60 wt. % and less than or equal to 80 wt. % based on a total weight of the composition.