Back to results
US 2022/0032373 A1Published application
Three-dimensional printing
AssigneeHewlett-Packard Development Company, L.P.
InventorsCory J. Ruud, Vladek Kasperchik, Natalie Harvey
Life of this patent
Estimating the term…
Abstract
Described herein are compositions, kits, methods, and systems for printing metal three-dimensional objects. In an example, described is a binding fluid composition for three-dimensional printing, the composition comprising: an aqueous liquid vehicle comprising at least one diol; and latex polymer particles dispersed in the aqueous liquid vehicle.
Claims15
A binding fluid composition for three-dimensional printing, the composition comprising:
- an aqueous liquid vehicle comprising at least one diol;
- and
- latex polymer particles dispersed in the aqueous liquid vehicle,
- wherein the latex polymer particles have an average particle size of from about 10 nm to about 300 nm,
- wherein the latex polymer particles are made from (A) a co-polymerizable surfactant chosen from polyoxyethylene alkylphenyl ether ammonium sulfate;
- sodium polyoxyethylene alkylether sulfuric ester, polyoxyethylene styrenated phenyl ether ammonium sulfate, or mixtures thereof, and (B) styrene, p-methyl styrene, α-methyl styrene, methacrylic acid, acrylic acid, acrylamide;
- methacrylamide, 2-hydroxyethyl acrylate, 2-hydroxyethyl methacrylate, 2-hydroxypropyl acrylate, 2-hydroxypropyl methacrylate, methyl methacrylate, hexyl acrylate, hexyl methacrylate;
- butyl acrylate, butyl methacrylate, ethyl acrylate, ethyl methacrylate, 2-ethylhexyl acrylate, 2-ethylhexyl methacrylate, propyl acrylate, propyl methacrylate, octadecyl acrylate, octadecyl methacrylate, stearyl methacrylate, isobornyl acrylate, tetrahydrofurfuryl acrylate, 2-phenoxyethyl methacrylate, benzyl methacrylate, benzyl acrylate, ethoxylated nonyl phenol methacrylate, ethoxylated behenyl methacrylate, polypropyleneglycol monoacrylate, isobornyl methacrylate, cyclohexyl methacrylate, cyclohexyl acrylate, t-butyl methacrylate, n-octyl methacrylate;
- lauryl methacrylate, tridecyl methacrylate, alkoxylated tetrahydrofurfuryl acrylate, isodecyl acrylate, isobornyl methacrylate;
- isobornyl acrylate, acetoacetoxyethyl methacrylate, or combinations thereof, and
- wherein the binding fluid has a pH of from about 6 to about 10.
8 more elements
A multi-fluid kit for three-dimensional printing comprising:
- a first fluid comprising a first aqueous liquid vehicle comprising at least one diol, and
- a second fluid comprising a second aqueous liquid vehicle comprising latex polymer particles dispersed therein, wherein the latex polymer particles have an average particle size of from about 10 nm to about 300 nm, and
- wherein the latex polymer particles are made from (A) a co-polymerizable surfactant chosen from polyoxyethylene alkylphenyl ether ammonium sulfate;
- sodium polyoxyethylene alkylether sulfuric ester, polyoxyethylene styrenated phenyl ether ammonium sulfate;
- or mixtures thereof, and (B) styrene, p-methyl styrene, α-methyl styrene, methacrylic acid, acrylic acid, acrylamide, methacrylamide, 2-hydroxyethyl acrylate, 2-hydroxyethyl methacrylate, 2-hydroxypropyl acrylate, 2-hydroxypropyl methacrylate, methyl methacrylate, hexyl acrylate, hexyl methacrylate, butyl acrylate, butyl methacrylate, ethyl acrylate, ethyl methacrylate, 2-ethylhexyl acrylate, 2-ethylhexyl methacrylate, propyl acrylate, propyl methacrylate, octadecyl acrylate, octadecyl methacrylate, stearyl methacrylate, isobornyl acrylate, tetrahydrofurfuryl acrylate, 2-phenoxyethyl methacrylate, benzyl methacrylate, benzyl acrylate, ethoxylated nonyl phenol methacrylate, ethoxylated behenyl methacrylate, polypropyleneglycol monoacrylate, isobornyl methacrylate, cyclohexyl methacrylate, cyclohexyl acrylate, t-butyl methacrylate, n-octyl methacrylate, lauryl methacrylate, tridecyl methacrylate, alkoxylated tetrahydrofurfuryl acrylate, isodecyl acrylate, isobornyl methacrylate, isobornyl acrylate, acetoacetoxyethyl methacrylate, or combinations thereof.
2 more elements
A method of printing a three-dimensional object comprising:
- (i) depositing a metal powder build material in a powder bed;
- (ii) based on a three-dimensional object model, selectively applying at least one binder fluid on at least a portion of the metal powder build material in the powder bed, wherein the binder fluid comprises:
- an aqueous liquid vehicle comprising at least one diol and latex polymer particles dispersed in the aqueous liquid vehicle;
- (iii) repeating (i) and (ii) at least one time;
- and
- (iv) heating the powder bed to a temperature of from about 40° C. to about 180° C. to form the three-dimensional object.
3 more elements
Dependencies are inferred from the claim text.