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公开(公告)号：EP3261790A1
公开(公告)日：2018-01-03
申请号：EP15899784.1
申请日：2015-07-24
CPC分类号： B29C64/135 , B22F3/008 , B22F2999/00 , B29C64/112 , B29C64/165 , B33Y10/00 , B33Y30/00 , B33Y70/00 , C09D11/322 , G03G15/224 , G03G15/225 , B22F3/1003
摘要： In a 3D printing method, a first layer of a build material is applied. A part layer is patterned by selectively applying a penetrating liquid functional material (PLFM) on at least a portion of the first layer. The PLFM includes (in amounts by weight based on total wt % of the PLFM): from about 5%-15% of a first metal oxide nanoparticle having a particle size ranging from about 0.5 nm up to 10 nm, from about 0.25%-10% of a second metal oxide nanoparticle having at least one dimension greater than 10 nm, from about 1%-10% of an electromagnetic radiation absorber, from about 5%-50% of an organic solvent, a surfactant, and a balance of water. The first layer having the PLFM applied thereon is exposed to electromagnetic radiation, whereby the portion of the first layer at least partially fuses to form the part layer.
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公开(公告)号：EP3325191B1
公开(公告)日：2020-09-30
申请号：EP15899783.3
申请日：2015-07-24
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公开(公告)号：EP3325191A1
公开(公告)日：2018-05-30
申请号：EP15899783.3
申请日：2015-07-24
摘要： A stabilizing liquid functional material (SLFM) for 3D printing includes ceramic nanoparticles in an amount ranging from about 0.25% to about 5% by weight based on a total SLFM weight and silica nanoparticles present in an amount ranging from about 0.1% to about 10% by weight based on the total SLFM weight. The ceramic nanoparticles have a particle size ranging from about 5 nm to about 50 nm. The silica nanoparticles have a particle size ranging from about 10 nm to about 50 nm. The ceramic nanoparticles and the silica nanoparticles are different in composition and/or morphology. An electromagnetic radiation absorber is present in an amount ranging from about 1% to about 10% by weight based on the total SLFM weight. An organic solvent is present in an amount from about 5% to about 50% by weight based on the total SLFM weight. The SLFM includes a balance of water.
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公开(公告)号：EP3261790B1
公开(公告)日：2020-09-02
申请号：EP15899784.1
申请日：2015-07-24
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5.发明公开
公开(公告)号：EP3352975A1
公开(公告)日：2018-08-01
申请号：EP16891827.4
申请日：2016-02-25
CPC分类号： B33Y50/02 , B28B1/001 , B28B7/465 , B29C64/165 , B29C67/00 , B32B18/00 , B33Y10/00 , B33Y30/00 , B33Y70/00 , C04B35/111 , C04B35/6264 , C04B35/632 , C04B2235/3217 , C04B2235/3218 , C04B2235/3262 , C04B2235/3274 , C04B2235/3275 , C04B2235/3418 , C04B2235/424 , C04B2235/5454 , C04B2235/6026 , C04B2235/667 , C04B2235/9661 , C04B2237/34 , C04B2237/341 , C04B2237/343 , C04B2237/363
摘要： In an example of a three-dimensional (3D) printing method, a ceramic build material is applied. A liquid functional material, including an anionically stabilized susceptor material, is applied to at least a portion of the ceramic build material. A sintering aid/fixer fluid, including a cationically stabilized amphoteric alumina particulate material, is applied to the at least the portion of the ceramic build material. The applied anionically stabilized susceptor material and the applied cationically stabilized amphoteric alumina particulate material react to immobilize the anionically stabilized susceptor material, thereby patterning the at least the portion of the ceramic build material.
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