US 12,251,873 B2
Three-dimensional printing
Mark Kowalski, Corvallis, OR (US); and Tienteh Chen, San Diego, CA (US)
Assigned to Hewlett-Packard Development Company, L.P., Spring, TX (US)
Appl. No. 17/047,511
Filed by Hewlett-Packard Development Company, L.P., Spring, TX (US)
PCT Filed Oct. 5, 2018, PCT No. PCT/US2018/054626
§ 371(c)(1), (2) Date Oct. 14, 2020,
PCT Pub. No. WO2020/072075, PCT Pub. Date Apr. 9, 2020.
Prior Publication US 2021/0213532 A1, Jul. 15, 2021
Int. Cl. B33Y 10/00 (2015.01); B22F 1/052 (2022.01); B22F 1/107 (2022.01); B22F 3/24 (2006.01); B22F 10/14 (2021.01); B29C 64/165 (2017.01); B33Y 40/20 (2020.01); B33Y 70/10 (2020.01)
CPC B29C 64/165 (2017.08) [B22F 1/052 (2022.01); B22F 1/107 (2022.01); B22F 3/24 (2013.01); B33Y 10/00 (2014.12); B33Y 40/20 (2020.01); B33Y 70/10 (2020.01); B22F 2003/248 (2013.01); B22F 10/14 (2021.01); B22F 2304/10 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A three-dimensional printing kit, comprising:
a particulate build material comprising from about 80 wt % to about 100 wt % metal particles; and
a binder fluid comprising water and latex particles present in an amount of from about 5 wt % to about 30 wt % based on a total weight of the binder fluid, and an amine-bearing phosphonic adhesion promoter included in the binder fluid in an amount of from about 0.05 wt % to about 3.5 wt % based on a total amount of the binder fluid, the latex particles including heteropolymers formed with a hydrophobic component and a hydrophilic component, wherein:
the hydrophobic component being a monomer selected from the group consisting of vinyl, vinyl chloride, vinylidene chloride, vinyl ester, acrylate, methacrylate, styrene, ethylene, maleate esters, fumarate esters, itaconate esters, α-methyl styrene, p-methyl styrene, methyl methacrylate, hexyl acrylate, hexyl methacrylate, butyl acrylate, butyl methacrylate, ethyl acrylate, ethyl methacrylate, propyl acrylate, propyl methacrylate, 2-ethylhexyl acrylate, 2-ethylhexyl methacrylate, octadecyl acrylate, octadecyl methacrylate, stearyl methacrylate, vinylbenzyl chloride, isobornyl acrylate, tetrahydrofurfuryl acrylate, 2-phenoxyethyl methacrylate, benzyl methacrylate, benzyl acrylate, ethoxylated nonyl phenol methacrylate, isobornyl methacrylate, cyclohexyl methacrylate, trimethyl cyclohexyl methacrylate, t-butyl methacrylate, n-octyl methacrylate, lauryl methacrylate, trydecyl methacrylate, alkoxylated tetrahydrofurfuryl acrylate, isodecyl acrylate, isobornylmethacrylate, isobornyl acrylate, dimethyl maleate, dioctyl maleate, acetoacetoxyethyl methacrylate, diacetone acrylamide, N-vinyl imidazole, N-vinylcarbazole, N-Vinyl-caprolactam, and combinations thereof; and
the hydrophilic component being a monomer selected from the group consisting of acrylic acid, methacrylic acid, ethacrylic acid, dimethylacrylic acid, maleic anhydride, maleic acid, vinylsulfonate, cyanoacrylic acid, vinylacetic acid, allylacetic acid, ethylidineacetic acid, propylidineacetic acid, crotonoic acid, fumaric acid, itaconic acid, sorbic acid, angelic acid, cinnamic acid, styrylacrylic acid, citraconic acid, glutaconic acid, aconitic acid, phenylacrylic acid, acryloxypropionic acid, aconitic acid, phenylacrylic acid, acryloxypropionic acid, vinylbenzoic acid, N-vinylsuccinamidic acid, mesaconic acid, methacroylalanine, acryloylhydroxyglycine, sulfoethyl methacrylic acid, sulfopropyl acrylic acid, styrene sulfonic acid, sulfoethylacrylic acid, 2-methacryloyloxymethane-1-sulfonic acid, 3-methacryoyloxypropane-1-sulfonic acid, 3-(vinyloxy) propane-1-sulfonic acid, ethylenesulfonic acid, vinyl sulfuric acid, 4-vinylphenyl sulfuric acid, ethylene phosphonic acid, vinyl phosphoric acid, vinyl benzoic acid, 2-acrylamido-2-methyl-1-propanesulfonic acid, and a combination thereof.