Selective sintering of structurally modified polymers
    4.
    发明申请
    Selective sintering of structurally modified polymers 有权
    结构改性聚合物的选择性烧结

    公开(公告)号:US20090295042A1

    公开(公告)日:2009-12-03

    申请号:US12454472

    申请日:2009-05-18

    IPC分类号: B29C35/08 C08G6/00 H05B6/00

    摘要: A three-dimensional object is manufactured by selective sintering by means of electromagnetic radiation, wherein the powder comprises a polymer or copolymer having at least one of the following structural characteristics: (i) at least one branching group in the backbone chain of the polymer or copolymer, provided that in case of the use of polyaryletherketones (PAEK) the branching group is an aromatic structural unit in the backbone chain of the polymer or copolymer; (ii) modification of at least one end group of the backbone chain of the polymer or copolymer; (iii) at least one bulky group within the backbone chain of the polymer of copolymer, provided that in case of the use of polyaryletherketones (PAEK) the bulky group is not selected from the group consisting of phenylene, biphenylene, naphthalene and CH2— or isopropylidene-linked aromatics; (iv) at least one aromatic group non-linearly linking the backbone chain.

    摘要翻译: 通过电磁辐射的选择性烧结制造三维物体,其中粉末包含具有以下至少一种结构特征的聚合物或共聚物:(i)聚合物主链中的至少一个支化基团或 共聚物,条件是在使用聚芳醚酮(PAEK)的情况下,支化基团是聚合物或共聚物的主链中的芳族结构单元; (ii)修饰聚合物或共聚物的主链的至少一个端基; (iii)在共聚物聚合物的主链中的至少一个庞大的基团,条件是在使用聚芳醚酮(PAEK)的情况下,该大体积基团不选自亚苯基,亚联苯基,萘和CH 2 - 或 异亚丙基连接芳烃; (iv)至少一个芳族基团非线性连接骨架链。

    Method for a layer-wise manufacturing of a three-dimensional object
    6.
    发明申请
    Method for a layer-wise manufacturing of a three-dimensional object 有权
    层次制造三维物体的方法

    公开(公告)号:US20090017220A1

    公开(公告)日:2009-01-15

    申请号:US12154655

    申请日:2008-05-23

    IPC分类号: B05D3/06 B05C11/10 B05C9/14

    摘要: A method for a layer-wise manufacturing of a three-dimensional object has a first step of providing a layer of a material in powder form or a liquid material on a support or a layer that has already been solidified at selected positions previously and a second step of directing a focussed photon or particle beam (8′) selectively at selected positions of the layer. In the process in the second step the photon or particle beam is selected such that it brings about a change of the absorption of the material when hitting the layer. After the termination of the second step a third step is carried out, in which the layer is irradiated by means of electromagnetic radiation (18′) such that the material is homogenously solidified at those positions of the layer that correspond to the cross-section of the object to be formed.

    摘要翻译: 用于层状制造三维物体的方法具有第一步骤,在先前已经在选定位置固化的载体或层上提供粉末形式的材料层或液体材料,第二步是将第二层 在层的选定位置选择性地引导聚焦光子或粒子束(8')的步骤。 在第二步骤的过程中,选择光子或粒子束,使得其在击中该层时引起材料的吸收变化。 在第二步骤终止之后,进行第三步骤,其中通过电磁辐射(18')照射该层,使得材料在该层的对应于横截面的那些位置处均匀凝固 要形成的对象

    Method for a layer-wise manufacturing of a three-dimensional object
    9.
    发明授权
    Method for a layer-wise manufacturing of a three-dimensional object 有权
    层次制造三维物体的方法

    公开(公告)号:US09011982B2

    公开(公告)日:2015-04-21

    申请号:US12154655

    申请日:2008-05-23

    IPC分类号: B05D3/06 B29C67/00

    摘要: A method for a layer-wise manufacturing of a three-dimensional object has a first step of providing a layer of a material in powder form or a liquid material on a support or a layer that has already been solidified at selected positions previously and a second step of directing a focussed photon or particle beam (8′) selectively at selected positions of the layer. In the second step, the photon or particle beam is selected such that it brings about a change of the absorption of the material when hitting the layer. After the termination of the second step, a third step is carried out, in which the layer is irradiated by means of electromagnetic radiation (18′) such that the material is homogenously solidified at those positions of the layer that correspond to the cross-section of the object to be formed.

    摘要翻译: 用于层状制造三维物体的方法具有第一步骤,在先前已经在选定位置固化的载体或层上提供粉末形式的材料层或液体材料,第二步是将第二层 在层的选定位置选择性地引导聚焦光子或粒子束(8')的步骤。 在第二步骤中,选择光子或粒子束使其在击中该层时引起材料的吸收变化。 在第二步骤终止之后,执行第三步骤,其中通过电磁辐射(18')照射该层,使得材料在对应于横截面的层的那些位置处均匀凝固 要形成的物体。