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    Processes and systems for recovering R1233ZD in purified form
    25.
    发明授权
    Processes and systems for recovering R1233ZD in purified form 有权

    公开(公告)号：US11220472B2

    公开(公告)日：2022-01-11

    申请号：US16468416

    申请日：2017-12-14

    Applicant: Arkema Inc.

    Inventor： Jay F. Miller ,  John A. Wismer

    IPC: C07C17/383 ,  C07C17/386 ,  C07C21/18

    Abstract: Aspects of the invention relate to systems and processes for recovering R1233zd in purified form from compositions additionally comprising hydrogen fluoride. In accordance with one aspect, the invention provides a process that includes separating a feed stream comprised of hydrogen fluoride and R1233zd using azeotropic distillation in a first distillation column to produce a first distillate stream comprised of hydrogen fluoride and R1233zd and a first bottoms stream consisting essentially of hydrogen fluoride. The first distillation column is operated at a first pressure. The process further includes separating the first distillate stream using azeotropic distillation in a second distillation column to produce a second distillate stream comprised of hydrogen fluoride and R1233zd and a second bottoms stream consisting essentially of R1233zd. The second distillation column is operated at a second pressure that may be different than the first pressure of the first distillation column.

    Integrated electrode separator assemblies for lithium ion batteries
    28.
    发明授权
    Integrated electrode separator assemblies for lithium ion batteries 有权

    公开(公告)号：US11133562B2

    公开(公告)日：2021-09-28

    申请号：US14410674

    申请日：2013-11-01

    Applicant: Arkema Inc.

    Inventor： John Schmidhauser ,  Scott R. Gaboury ,  Ramin Amin-Sanayei ,  Christophe Roger ,  Wensheng He ,  Rosemary Heinze

    IPC: H01M50/46 ,  H01G11/52 ,  H01M50/403 ,  H01M50/411 ,  H01M50/449 ,  H01M50/446

    Abstract: The invention relates to integrated electrode separators (IES), and their use in lithium ion batteries as replacements for free standing separators. The IES results from coating an electrode with a fluoropolymer aqueous-based emulsion or suspension, and drying the coating to produce a tough, porous separator layer on the electrodes. The aqueous fluoropolymer coating may optionally contain dispersed inorganic particles and other additives to improve electrode performance such as higher ionic conduction or higher temperature use. The IES provides several advantages, including a thinner, more uniform separator layer, and the elimination of a separate battery component (separator membrane) for a simpler and cost-saving manufacturing process. The aqueous separator coating can be used in combination with a solvent cast electrode as well as an aqueous cast electrode either in two separate process steps, or in a one-step process.

    HIGH STRENGTH POLYVINYLIDENE FLUORIDE BASED REINFORCED COMPOUNDS
    30.
    发明申请
    HIGH STRENGTH POLYVINYLIDENE FLUORIDE BASED REINFORCED COMPOUNDS 有权

    公开(公告)号：US20210079206A1

    公开(公告)日：2021-03-18

    申请号：US16630621

    申请日：2018-06-20

    Applicant: Arkema Inc.

    Inventor： Gregory Scott O'BRIEN ,  Ramin AMIN-SANAYEI ,  Saeid ZERAFATI

    IPC: C08L27/16

    Abstract: The invention relates to the use of chopped fibers in thermoplastic composite compounds, and in particular to thermoplastic fluoropolymer compounds. The fluoropolymer matrix contains thermoplastic fluoropolymers that have been grafted with a carboxylic polar functionality, such as KYNAR ADX® polymer from Arkema. The chopped fiber—grafted fluoropolymer composite has increased tensile and flexural strength compared to fluoropolymer compounds that contain no grafted carboxylic grafted fluoropolymer.

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