	US 11,718,743 B2
	Build materials for 3D printing
Pingyong Xu, Valencia, CA (US); John Fong, Temple City, CA (US); and John Stockwell, Sylmar, CA (US)
Assigned to 3D SYSTEMS, INC., Rock Hill, SC (US)
Filed by 3D Systems, Inc., Rock Hill, SC (US)
Filed on Jul. 10, 2020, as Appl. No. 16/925,975.
Claims priority of provisional application 62/873,486, filed on Jul. 12, 2019.
Prior Publication US 2021/0009800 A1, Jan. 14, 2021
Int. Cl. B29C 71/04 (2006.01); C08F 2/46 (2006.01); C08F 2/48 (2006.01); C08F 220/06 (2006.01); C08F 226/06 (2006.01); C08L 33/10 (2006.01); C08L 33/12 (2006.01); C08L 79/04 (2006.01); C08L 33/08 (2006.01); B33Y 10/00 (2015.01); B33Y 70/00 (2020.01); B29C 64/124 (2017.01); B29C 64/129 (2017.01); C08L 75/04 (2006.01); C09D 11/101 (2014.01); C09D 11/102 (2014.01); C09D 11/107 (2014.01); C08G 73/06 (2006.01); C08F 283/00 (2006.01); B29K 33/00 (2006.01); B29K 96/04 (2006.01); B29K 105/00 (2006.01); B29K 105/24 (2006.01); B29K 75/00 (2006.01); B29K 79/00 (2006.01)

CPC C08L 33/08 (2013.01) [B29C 64/124 (2017.08); B29C 64/129 (2017.08); B33Y 10/00 (2014.12); B33Y 70/00 (2014.12); C08F 283/006 (2013.01); C08G 73/0616 (2013.01); C08L 75/04 (2013.01); C09D 11/101 (2013.01); C09D 11/102 (2013.01); C09D 11/107 (2013.01); B29K 2033/08 (2013.01); B29K 2033/12 (2013.01); B29K 2075/00 (2013.01); B29K 2079/00 (2013.01); B29K 2096/04 (2013.01); B29K 2105/0005 (2013.01); B29K 2105/0085 (2013.01); B29K 2105/24 (2013.01); C08L 2205/035 (2013.01); C08L 2207/53 (2013.01); C08L 2312/06 (2013.01)]

25 Claims

13. A method of printing a three-dimensional article comprising:

providing a polymerizable liquid comprising an acrylate component, a polymeric additive comprising one or more thermoplastics, and a monomeric curing agent comprising one or more imidazoles; and

irradiating the polymerizable liquid with light to form the article, the article comprising a polymeric composite material including the polymeric additive and copolymer comprising the acrylate component and monomeric curing agent,

wherein the polymerizable liquid is provided in a layer-by-layer process.