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    • 9. 发明授权
    • Use of polyester powder in a shaping process, and moldings produced from this polyester powder
    • 在成型过程中使用聚酯粉末,以及由该聚酯粉末制成的模制品
    • US08834777B2
    • 2014-09-16
    • US11561021
    • 2006-11-17
    • Ulrich SimonSylvia MonsheimerMaik GrebeHeinrich Temme
    • Ulrich SimonSylvia MonsheimerMaik GrebeHeinrich Temme
    • B29C35/08B29C41/02B29C71/04B29C67/00B29K67/00
    • B29C67/0077B29C64/153B29K2067/00B33Y70/00
    • The present invention relates to the use of a powder which comprises specific polyesters for shaping processes, and to moldings produced powder. The shaping processes are layer-by-layer processes which use powder, which comprises selectively melting regions of a powder layer by applying electromagnetic energy. Selectivity can although there is no intention to restrict the invention thereto be achieved via a mask, or application of an inhibitor, of an absorber or of a susceptor, or via focusing of the energy input. After cooling, the regions then solidified can be removed as moldings from the powder bed. The process occurs by using a polyester powder obtained from an alcohol and from a diacid with no use of any aromatic monomer unit. These polyester powders combine high crystallinity and low melting point, and makes the construction process more reliable while good component quality, mechanical properties, density, dimensional accuracy, and low shrinkage are realized.
    • 本发明涉及包含用于成型工艺的特定聚酯的粉末的使用,以及生产粉末的模制品的用途。 成型方法是使用粉末的逐层方法,其包括通过施加电磁能量选择性地熔融粉末层的区域。 选择性虽然不意图通过掩模,抑制剂,吸收体或感受体的应用,或通过能量输入的聚焦来限制本发明。 冷却后,然后凝固的区域可以作为模制品从粉末床中除去。 该方法通过使用由醇和来自二酸的聚酯粉末而不使用任何芳族单体单元进行。 这些聚酯粉末结合了高结晶度和低熔点,使得施工过程更可靠,同时实现了良好的部件质量,机械性能,密度,尺寸精度和低收缩率。
    • 10. 发明申请
    • USE OF POLYESTER POWDER IN A SHAPING PROCESS, AND MOLDINGS PRODUCED FROM THIS POLYESTER POWDER
    • 在成型工艺中使用聚酯粉末,以及从该聚酯粉末生产的模具
    • US20070126159A1
    • 2007-06-07
    • US11561021
    • 2006-11-17
    • Ulrich SimonSylvia MonsheimerMaik GrebeHeinrich Temme
    • Ulrich SimonSylvia MonsheimerMaik GrebeHeinrich Temme
    • B29C35/08
    • B29C67/0077B29C64/153B29K2067/00B33Y70/00
    • The present invention relates to the use of a powder which comprises specific polyesters for shaping processes, and to moldings produced powder. The shaping processes are layer-by-layer processes which use powder, which comprises selectively melting regions of a powder layer by applying electromagnetic energy. Selectivity can although there is no intention to restrict the invention thereto be achieved via a mask, or application of an inhibitor, of an absorber or of a susceptor, or via focusing of the energy input. After cooling, the regions then solidified can be removed as moldings from the powder bed. The process occurs by using a polyester powder obtained from an alcohol and from a diacid with no use of any aromatic monomer unit. These polyester powders combine high crystallinity and low melting point, and makes the construction process more reliable while good component quality, mechanical properties, density, dimensional accuracy, and low shrinkage are realized.
    • 本发明涉及包含用于成型工艺的特定聚酯的粉末的使用,以及生产粉末的模制品的用途。 成型方法是使用粉末的逐层方法,其包括通过施加电磁能量选择性地熔融粉末层的区域。 选择性虽然不意图通过掩模,抑制剂,吸收体或感受体的应用,或通过能量输入的聚焦来限制本发明。 冷却后,然后凝固的区域可以作为模制品从粉末床中除去。 该方法通过使用由醇和来自二酸的聚酯粉末而不使用任何芳族单体单元进行。 这些聚酯粉末结合了高结晶度和低熔点,使得施工过程更可靠,同时实现了良好的部件质量,机械性能,密度,尺寸精度和低收缩率。