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    Three dimensional printing materials, systems, and methods
    4.
    发明授权
    Three dimensional printing materials, systems, and methods 有权

    公开(公告)号：US11602892B2

    公开(公告)日：2023-03-14

    申请号：US15105186

    申请日：2014-12-22

    Applicant: 3D Systems, Inc.

    Inventor： Khalil Moussa

    IPC: B29C64/165 ,  B29C64/153 ,  B29C64/141 ,  B33Y70/10 ,  B33Y10/00 ,  B29K105/16 ,  B29K105/00

    Abstract: A method of printing a three dimensional article is provided wherein particles are bonded together with chemical bonds having a bond strength of at least 10 kJ/mol. In one aspect, kits for three dimensional printing are described herein. In some embodiments, a kit described herein comprises a substantially dry particulate material (20) comprising an insoluble filler having a first functional group on the surface of the insoluble filler; and a fluid binder material (26) comprising a multifunctional linker having a second functional group, wherein the insoluble filler is insoluble in the fluid binder material and wherein the first functional group and the second functional group can react with one another to form a covalent bond between the insoluble filler and the multi functional linker.

    OPTICALLY ACTIVE BUILD MATERIALS FOR 3D PRINTING
    8.
    发明申请
    OPTICALLY ACTIVE BUILD MATERIALS FOR 3D PRINTING 有权

    公开(公告)号：US20210095094A1

    公开(公告)日：2021-04-01

    申请号：US17060826

    申请日：2020-10-01

    Applicant: 3D Systems, Inc.

    Inventor： Mehrgan Khavari ,  Khalil Moussa ,  Scott Broce

    IPC: C08K5/08 ,  C08F220/50 ,  C08F226/06

    Abstract: Build materials for 3D printing applications are described herein which, in some embodiments, comprise a dye component operable to alter spectral characteristics of the printed part over the course of the build cycle. In some embodiments, for example, the dye component can provide desirable light penetration depth during article printing and sufficient optical clarity during final light curing processes.

    Inks for 3D printing having low print through depth
    9.
    发明授权
    Inks for 3D printing having low print through depth 有权

    公开(公告)号：US12269958B2

    公开(公告)日：2025-04-08

    申请号：US18654201

    申请日：2024-05-03

    Applicant: 3D Systems, Inc.

    Inventor： Khalil Moussa

    IPC: B33Y10/00 ,  B29C64/112 ,  B29C64/124 ,  B33Y70/00 ,  C09D11/037 ,  C09D11/101 ,  C09D11/107 ,  C09D11/328 ,  C09D11/38 ,  B29K33/00 ,  B29K105/00

    Abstract: In one aspect, inks for use with a three-dimensional (3D) printing system are described herein. In some embodiments, an ink described herein comprises up to 80 wt. % oligomeric curable material; up to 80 wt. % monomeric curable material; up to 10 wt. % photoinitiator; up to 1 wt. % non-curable absorber material; and up to 10 wt. % one or more additional components, based on the total weight of the ink, and wherein the total amount of the foregoing components is equal to 100 wt. %. Additionally, the photoinitiator is operable to initiate curing of the oligomeric curable material and/or the monomeric curable material when the photoinitiator is exposed to incident curing radiation having a peak wavelength λ. Moreover, the ink has a penetration depth (Dp), a critical energy (Ec), and a print through depth (DPT) at the wavelength λ of less than or equal to 2×Dp.

    Additives for build materials and associated printed 3D articles
    10.
    发明授权
    Additives for build materials and associated printed 3D articles 有权

    公开(公告)号：US11912846B2

    公开(公告)日：2024-02-27

    申请号：US17690694

    申请日：2022-03-09

    Applicant: 3D Systems, Inc.

    Inventor： Khalil Moussa

    IPC: C08K5/01 ,  B33Y10/00 ,  B29C64/106 ,  B33Y70/10 ,  C08F20/10 ,  B29K33/04

    CPC classification number: C08K5/01 ,  B29C64/106 ,  B33Y10/00 ,  B33Y70/10 ,  C08F20/10 ,  B29K2033/04

    Abstract: Additives for three-dimensional build materials or inks are described herein which, in some embodiments, can impart flame retardant properties and/or structural enhancements to articles printed from the build materials. In some embodiments, such an additive comprises a compound of Formula I herein, wherein L and Z are ring substituents comprising at least one polymerizable point of unsaturation, and wherein R1 and R2 are independently selected from the group consisting of alkylene and alkenylene, and R3-R6 each represent one to four optional ring substituents, each one of the one to four ring substituents independently selected from the group consisting of alkyl, heteroalkyl, haloalkyl, halo, hydroxyl, alkoxy, amine, amide, and ether, and wherein n is an integer from 1 to 7.

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