EPDM Packaging System and Process
    3.
    发明申请

    公开(公告)号:US20190263581A1

    公开(公告)日:2019-08-29

    申请号:US16406509

    申请日:2019-05-08

    Abstract: The present disclosure provides a packaging process and the resultant package produced from the process. The process includes introducing, into a mixing device, pellets composed of ethylene/propylene/diene polymer (EPDM). The EPDM comprises greater than 60 wt % units derived from ethylene. The pellets have a residual moisture content from 500 ppm to 2500 ppm. The process includes adding a silica-based powder to the mixing device and coating at least a portion of the pellets with the silica-based powder. The process includes sealing a bulk amount of the coated pellets in a bag made of a flexible polymeric film. The process includes absorbing, with the silica-based powder, the residual moisture from the pellets, and preventing moisture condensation in the bag interior for a period from 7 days after the sealing step to 1000 days after the sealing step.

    A BLEND COMPOSITION SUITABLE FOR INJECTION MOLDING APPLICATIONS
    4.
    发明申请
    A BLEND COMPOSITION SUITABLE FOR INJECTION MOLDING APPLICATIONS 审中-公开
    适用于注塑成型应用的混合组合物

    公开(公告)号:US20150353718A1

    公开(公告)日:2015-12-10

    申请号:US14762485

    申请日:2014-02-28

    Abstract: The instant invention provides a blend composition suitable for injection molded articles. The blend composition suitable for injection molded article according to the present invention comprises: (a) from 50 to 80 percent by weight of a propylene/α-olefin interpolymer composition; (b) from 5 to 25 percent by weight of a homopolymer polypropylene, a random copolymer polypropylene, clarified random copolymer polypropylene, and combination thereof; and (c) from 5 to 39 percent by weight of a plasticizing agent; wherein said blend composition has a total haze of less than 25 percent.

    Abstract translation: 本发明提供了适用于注塑制品的共混组合物。 适用于本发明注塑制品的共混组合物包括:(a)50-80%重量的丙烯/α-烯烃互聚物组合物; (b)5至25重量%的均聚聚丙烯,无规共聚物聚丙烯,澄清无规共聚物聚丙烯及其组合; 和(c)5〜39重量%的增塑剂; 其中所述共混组合物的总雾度小于25%。

    RHEOLOGY MODIFIED OLEFIN-BASED POLYMER COMPOSITIONS

    公开(公告)号:US20240076458A1

    公开(公告)日:2024-03-07

    申请号:US18549098

    申请日:2022-05-11

    CPC classification number: C08J3/247 C08J3/28 C08J2323/08 C08J2323/22

    Abstract: A process to form a rheology modified composition, the process comprising applying radiation, and optionally heat, to a composition that comprises at least the following component: a) an olefin-based polymer comprising a total unsaturation ≥0.20 /1000 C; and wherein the radiation is applied using an electron beam (e-beam) at a dosage selected from 0.1 MRad to 1.5 MRad; and wherein component a is selected from a telechelic polyolefin of the formula A1L1L2A2, an unsaturated polyolefin of the formula A1L1, or an ethylene/alpha-olefin interpolymer. A process to form a rheology modified composition, the process comprising applying heat, and optionally radiation, to a composition that comprises at least the following components: a) an olefin-based polymer, as described above, comprising a total unsaturation ≥0.20/1000 C; b) from 1.0 to 100 ppm of a peroxide, based on the weight of the composition.

    APPARATUS AND METHOD FOR GRANULATING LOW VISCOSITY MATERIALS

    公开(公告)号:US20210316481A1

    公开(公告)日:2021-10-14

    申请号:US17272338

    申请日:2019-08-27

    Abstract: An apparatus to batch or continuously form solid polymer particles, the apparatus comprising the following components: A) at least one pastillation unit comprising a pastillation head, said unit used to form discrete molten polymer particles from a polymer melt; B) a moving belt to receive and transfer the discrete molten polymer particles from the pastillation head; C) a means to transfer water onto the moving belt, such that the water comes into contact with the discrete molten polymer particles on the moving belt to form the solid polymer particles; and wherein the water of component C is sprayed onto the discrete molten polymer particles, such that the ratio of “the rate of water spray” to “the discharge rate” is ≥3.0; and wherein the belt residence time is ≤50 seconds.

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