CPC C08G 77/442 (2013.01) [B29C 64/129 (2017.08); B33Y 10/00 (2014.12); B33Y 70/00 (2014.12); B33Y 80/00 (2014.12); C08G 77/12 (2013.01); C08G 77/20 (2013.01); C08K 5/56 (2013.01); C08L 83/00 (2013.01); C08L 83/06 (2013.01); C08L 83/10 (2013.01); B29K 2083/00 (2013.01); B29K 2105/0014 (2013.01)] | 14 Claims |
1. A method of forming a three-dimensional object comprised of a silicone polymer, said method comprising:
(a) providing a silicone dual cure resin; wherein said silicone dual cure resin comprises:
(i) a light polymerizable first reactant;
(ii) a photoinitiator;
(iii) a second reactant comprising at least one siloxane linkage, and
(iv) optionally a catalyst;
wherein said light polymerizable first reactant optionally contains at least one siloxane linkage;
(b) forming a solid polymer scaffold by irradiating said light polymerizable first reactant with patterned actinic radiation or light to form a three-dimensional intermediate from said resin, where said intermediate has the shape of, or a shape to be imparted to, said three-dimensional object, and wherein said second reactant is carried within the polymer scaffold in unsoldified form, whereby said three-dimensional intermediate is fabricated in a layer-by-layer or layerless manner through multiple exposures of the patterned actinic radiation or light; then
(c) further reacting said three-dimensional intermediate, said further reacting sufficient to form said three-dimensional object comprised of a silicone polymer from said three-dimensional intermediate,
wherein said further reacting in step (c) is carried out by a method comprising contacting said intermediate to moisture.
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