USE OF POLYMER POWDER PRODUCED FROM A DISPERSION IN A SHAPING PROCESS, AND MOLDINGS PRODUCED FROM THIS POLYMER POWDER
    11.
    发明申请
    USE OF POLYMER POWDER PRODUCED FROM A DISPERSION IN A SHAPING PROCESS, AND MOLDINGS PRODUCED FROM THIS POLYMER POWDER 审中-公开
    在成型过程中从分散体中生产的聚合物粉末的使用以及从该聚合物粉末生产的模具

    公开(公告)号:US20070182070A1

    公开(公告)日:2007-08-09

    申请号:US11671820

    申请日:2007-02-06

    IPC分类号: B29C35/08 B29C41/02

    CPC分类号: C08J5/02 B29C64/153

    摘要: Three-dimensional shaped products are prepared by a layer-by-layer moldless production process in which at least one powder layer is provided, regions of the respective powder layer are selective melted via input of electromagnetic energy, wherein the powder of the powder layer contains at least one polymer powder or copolymer powder produced from a dispersion which contains at least one polymer or copolymer and which contains a water-soluble component, the water-soluble component containing at least one oligosaccharide.

    摘要翻译: 通过逐层无霉菌生产方法制备三维成型产品,其中至少提供一个粉末层,各个粉末层的区域通过电磁能的输入选择性地熔化,其中粉末层的粉末包含 至少一种由包含至少一种聚合物或共聚物并且含有水溶性组分的分散体产生的至少一种聚合物粉末或共聚物粉末,该水溶性组分含有至少一种寡糖。

    POLYMER POWDER, PROCESS FOR PRODUCTION OF AND USE OF THIS POWDER, AND RESULTANT SHAPED ARTICLES
    13.
    发明申请
    POLYMER POWDER, PROCESS FOR PRODUCTION OF AND USE OF THIS POWDER, AND RESULTANT SHAPED ARTICLES 审中-公开
    聚合物粉末,该粉末的生产和使用过程以及成型品

    公开(公告)号:US20070232753A1

    公开(公告)日:2007-10-04

    申请号:US11694129

    申请日:2007-03-30

    IPC分类号: C08L61/00 C08L77/00

    摘要: A process for production of a powder suitable for use in a process for the layer-by-layer moldless production of a three-dimensional shaped article, in which regions of the respective powder layer are selectively melted via input of electromagnetic energy, comprising mixing of a polymer or copolymer with at least one water-soluble polymeric polyol, the dissolution of the mixture in water to form a dispersion, the isolation of the polymer particles or copolymer particles from the dispersion, and the washing and drying of the isolated polymer particles or isolated copolymer particles; a powder which comprises a polymer powder or copolymer powder with from 0.001% by weight to 5% by weight content of at least one polymeric polyol, the polymeric polyol having been selected from the group consisting of polyethylene glycols and polyvinyl alcohols; the powder formed from the process; method of using the powder; and a shaped article formed from the powder.

    摘要翻译: 一种适用于逐层无模制造三维成形制品的方法的粉末的制造方法,其中各个粉末层的区域通过电磁能的输入选择性熔融,其中包括将 与至少一种水溶性聚合多元醇的聚合物或共聚物,将混合物溶解在水中以形成分散体,从分散体中分离聚合物颗粒或共聚物颗粒,以及分离的聚合物颗粒的洗涤和干燥或 分离的共聚物颗粒; 包含聚合物粉末或共聚物粉末的粉末,所述聚合物粉末或共聚物粉末含有至少一种聚合多元醇的0.001重量%至5重量%,所述聚合多元醇选自聚乙二醇和聚乙烯醇; 由该工艺形成的粉末; 使用粉末的方法; 以及由粉末形成的成形制品。