US 12,168,735 B2
Flame resistant build materials and associated printed 3D articles
Khalil Moussa, Rock Hill, SC (US)
Assigned to 3D SYSTEMS, INC., Rock Hill, SC (US)
Filed by 3D Systems, Inc., Rock Hill, SC (US)
Filed on Mar. 9, 2022, as Appl. No. 17/690,763.
Claims priority of provisional application 63/159,225, filed on Mar. 10, 2021.
Prior Publication US 2022/0289984 A1, Sep. 15, 2022
Int. Cl. C09D 4/00 (2006.01); B29C 64/124 (2017.01); B33Y 10/00 (2015.01); B33Y 70/00 (2020.01); C08F 220/22 (2006.01); C08F 220/58 (2006.01); C08F 222/10 (2006.01); C08K 5/521 (2006.01); C09D 7/63 (2018.01); C09D 133/16 (2006.01); C09D 133/24 (2006.01); C09D 135/02 (2006.01); B29K 105/00 (2006.01)
CPC C09D 4/00 (2013.01) [B29C 64/124 (2017.08); B33Y 10/00 (2014.12); B33Y 70/00 (2014.12); C08F 220/22 (2013.01); C08F 220/58 (2013.01); C08F 222/103 (2020.02); C08F 222/1065 (2020.02); C08K 5/521 (2013.01); C09D 7/63 (2018.01); C09D 133/16 (2013.01); C09D 133/24 (2013.01); C09D 135/02 (2013.01); B29K 2105/0085 (2013.01); B29K 2995/0016 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A polymerizable liquid comprising:
a curable isocyanurate component in an amount of at least 5 wt. %, based on total weight of the polymerizable liquid;
a brominated acrylate ester component; and
an additive of formula I:

OG Complex Work Unit Chemistry
wherein L and Z are ring substituents comprising at least one polymerizable point of unsaturation, and wherein R1 and R2 are independently selected from the group consisting of alkylene and alkenylene, and R3-R6 each represent one to four optional ring substituents, each one of the one to four ring substituents independently selected from the group consisting of alkyl, heteroalkyl, haloalkyl, halo, hydroxyl, alkoxy, amine, amide, and ether, and wherein n is an integer from 1 to 7.