Process for Producing Acrylic Acids and Acrylates
    7.
    发明申请
    Process for Producing Acrylic Acids and Acrylates 审中-公开
    生产丙烯酸和丙烯酸酯的方法

    公开(公告)号:US20130317254A1

    公开(公告)日:2013-11-28

    申请号:US13480620

    申请日:2012-05-25

    IPC分类号: C07C51/46 C07C51/347

    CPC分类号: C07C51/46 C07C53/08

    摘要: In one embodiment, the invention is to a process for producing an acrylate product. The process comprises the step of providing a crude product stream comprising the acrylate product and an alkylenating agent. The process further comprises the step of separating at least a portion of the crude product stream into an intermediate acrylate product stream and an alkylenating stream. The process further comprises separating at least a portion of the intermediate acrylate product stream by azeotropic distillation in the presences of an entrainer to form a stream containing acrylate product and a stream containing entrainer.

    摘要翻译: 在一个实施方案中,本发明涉及一种生产丙烯酸酯产物的方法。 该方法包括提供包含丙烯酸酯产物和亚烷基化试剂的粗产物流的步骤。 该方法还包括将至少一部分粗产物流分离成中间体丙烯酸酯产物流和亚烷基化流的步骤。 该方法还包括在夹带剂的存在下通过共沸蒸馏分离至少一部分中间体丙烯酸酯产物流,以形成含有丙烯酸酯产物和含有夹带剂的料流。

    Processes for Producing Acrylic Acids and Acrylates
    8.
    发明申请
    Processes for Producing Acrylic Acids and Acrylates 审中-公开
    生产丙烯酸和丙烯酸酯的方法

    公开(公告)号:US20130085302A1

    公开(公告)日:2013-04-04

    申请号:US13438374

    申请日:2012-04-03

    IPC分类号: C07C51/44

    CPC分类号: C07C51/42

    摘要: In one embodiment, the invention is to a process for producing an acrylate product. The process comprises the step of providing a crude product stream comprising the acrylate product and an alkylenating agent. The process further comprises the step of separating at least a portion of the crude product stream to form an alkylenating agent stream and an intermediate product stream. The process further comprises the step of recovering high purity acrylate product using precipitation. The alkylenating agent stream comprises at least 1 wt % alkylenating agent and the intermediate product stream comprises acrylate product.

    摘要翻译: 在一个实施方案中,本发明涉及一种生产丙烯酸酯产物的方法。 该方法包括提供包含丙烯酸酯产物和亚烷基化试剂的粗产物流的步骤。 该方法还包括分离至少一部分粗产物流以形成亚烷基化剂流和中间产物流的步骤。 该方法还包括使用沉淀回收高纯度丙烯酸酯产物的步骤。 亚烷基化剂流包含至少1重量%的亚烷基化剂,中间产物流包含丙烯酸酯产物。

    Processes For The Production of Acrylic Acids and Acrylates
    10.
    发明申请
    Processes For The Production of Acrylic Acids and Acrylates 有权
    丙烯酸和丙烯酸酯的生产工艺

    公开(公告)号:US20130158295A1

    公开(公告)日:2013-06-20

    申请号:US13328231

    申请日:2011-12-16

    IPC分类号: C07C51/00

    CPC分类号: C07C51/42 C07C51/44

    摘要: In one embodiment, the invention is to a process for producing an acrylate product. The process comprises the step of dehydrating a crude alkylenating agent stream to form a dehydrated alkylenating agent stream and a water stream. The process further comprises reacting acetic acid with at least a portion of the dehydrated alkylenating agent stream to form a crude acrylate product stream comprising acrylate product and alkylenating agent stream. The dehydrating of the crude alkylenating stream is accomplished using at least one evaporator or at least one distillation column.

    摘要翻译: 在一个实施方案中,本发明涉及一种生产丙烯酸酯产物的方法。 该方法包括使粗亚烷基化剂流脱水以形成脱水亚烷基化剂流和水流的步骤。 该方法还包括使乙酸与脱水亚烷基化剂物流的至少一部分反应以形成包含丙烯酸酯产物和亚烷基化剂物流的粗丙烯酸酯产物流。 使用至少一个蒸发器或至少一个蒸馏塔来实现粗烷基化流的脱水。