POLYMERIC COMPOSITIONS CONTAINING A RANDOM COPOLYMER AND EFFECTS OF A GAMMA NUCLEATOR ON SUCH COMPOSITIONS

    公开(公告)号:US20250163242A1

    公开(公告)日:2025-05-22

    申请号:US18516496

    申请日:2023-11-21

    Abstract: Disclosed is a polymeric composition containing at least 98 wt. % of a random ethylene polypropylene copolymer, 0 wt. % to 1.0 wt. % of an acid neutralizer, and 0.005 wt. % to 1.0 wt. % of a gamma nucleator (a γ-nucleator). The random ethylene polypropylene copolymer can include 0.5 wt. % to 12 wt. % of ethylene units and 88 wt. % to 99.5 wt. % of propylene units based on the total weight of the copolymer. The polymeric composition can have a haze value of less than 60% (as measured in accordance with ASTM D-1003, at a thickness of about 40 mils) and a crystallization temperature of more than 100° C. as measured by Differential Scanning Calorimetry. Articles containing the polymeric composition are also disclosed.

    POLYMERIC BLEND CONTAINING A RECYCLED POLYPROPYLENE AND A HIGH CRYSTALLINITY POLYPROPYLENE HOMOPOLYMER

    公开(公告)号:US20250163255A1

    公开(公告)日:2025-05-22

    申请号:US18516551

    申请日:2023-11-21

    Abstract: Disclosed is a polymeric composition containing at least 98 wt. %, based on the total weight of the polymeric composition, of a blend of a recycled polypropylene and a high crystallinity polypropylene homopolymer. The polymeric composition can have a melt flow index of less than 10 g/10 min (e.g., less than 4.5 g/10 min), as measured in accordance with ASTM D-1238, and a flexural modulus of at least 220,000 psi. Processes for producing the polymeric composition and articles containing the polymeric composition are also disclosed.

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