Three-dimensional printing with organosilanes
AssigneeHewlett-Packard Development Company, L.P.
InventorsGraciela Emma Negri Jimenez, Emre Hiro Discekici, Shannon Rueben Woodruff
Life of this patent
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Abstract
A multi-fluid kit for three-dimensional printing can include a fusing agent and a detailing agent. The fusing agent can include water and a radiation absorber. The radiation absorber absorbs radiation energy and converts the radiation energy to heat. The detailing agent includes a lipophilic phase discontinuously dispersed within an aqueous phase by a surfactant. The lipophilic phase includes an organosilane having a central silicon atom coupled to a C6 to C24 aliphatic or alicyclic hydrocarbon and multiple hydrolyzable groups. The organosilane is present in the detailing agent at from about 1 wt % to about 20 wt %.
Claims15
A multi-fluid kit for three-dimensional printing, comprising:
- a fusing agent comprising water and a radiation absorber, wherein the radiation absorber absorbs radiation energy and converts the radiation energy to heat;
- and
- a detailing agent comprising a lipophilic phase discontinuously emulsified within an aqueous phase by a surfactant, wherein the lipophilic phase includes an organosilane having a central silicon atom coupled to a C6 to C24 aliphatic or alicyclic hydrocarbon and multiple hydrolyzable groups, wherein the organosilane is present in the detailing agent in an amount ranging from about 1 wt % to about 20 wt %.
A three-dimensional printing kit, comprising:
- a fusing agent comprising water and a radiation absorber, wherein the radiation absorber absorbs radiation energy and converts the radiation energy to heat;
- a detailing agent comprising a lipophilic phase discontinuously dispersed within an aqueous phase by a surfactant, wherein the lipophilic phase includes an organosilane having a central silicon atom coupled to a C6 to C24 aliphatic or alicyclic hydrocarbon and multiple hydrolyzable groups, wherein the organosilane is present in the detailing agent in an amount ranging from about 1 wt % to about 20 wt %;
- and
- a powder bed material including 60 wt % to 100 wt % of polymeric particles,
- wherein the organosilane is self-crosslinkable to form a polysiloxane that is chemically independent relative to the polymeric particles.
A method of making a three-dimensional printed article, the method comprising:
- iteratively applying individual build material layers of a powder bed material including polymer particles to a powder bed;
- based on a three-dimensional object model, selectively applying a fusing agent onto individual build material layers, wherein the fusing agent comprises water and a radiation absorber;
- based on the three-dimensional object model, selectively applying a detailing agent onto individual build material layers laterally at a border between a first area where the powder bed material is contacted by the fusing agent and a second area where the powder bed material is not contacted by the fusing agent, wherein the detailing agent comprises a lipophilic phase discontinuously dispersed within an aqueous phase by a surfactant, wherein the lipophilic phase includes an organosilane having a central silicon atom coupled to a C6 to C24 aliphatic or alicyclic hydrocarbon and multiple hydrolyzable groups, wherein the organosilane is present in the detailing agent in an amount ranging from about 1 wt % to about 20 wt %;
- and
- exposing the powder bed material to energy to selectively fuse the polymer particles in contact with the radiation absorber to form a fused polymer matrix at individual build material layers.
Dependencies are inferred from the claim text.