CPC C08L 51/003 (2013.01) [B29C 64/124 (2017.08); B29C 64/35 (2017.08); B33Y 10/00 (2014.12); B33Y 40/20 (2020.01); B33Y 70/00 (2014.12); B29K 2049/00 (2013.01); B29K 2063/00 (2013.01); B29K 2105/0002 (2013.01); B29K 2105/0026 (2013.01)] | 20 Claims |
1. A dual cure resin useful for making a three-dimensional object by stereolithography, comprising:
(a) light-polymerizable monomers and/or prepolymers that can participate in forming an intermediate object by stereolithography;
(b) heat-polymerizable monomers and/or prepolymers;
(c) a hardener, or a chain extender;
(d) a flame retardant synergist, said flame retardant synergist comprising antimony pentoxide; and
(e) optionally, an organic diluent in a viscosity-reducing effective amount,
wherein one or both of said: (a) heat-polymerizable monomers and/or prepolymers, and said (c) hardener or chain extender, comprises a flame retardant group in its chemical structure, said flame retardant group comprising a halogen group.
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