POLYOLEFIN MASTERBATCH AND COMPOSITION SUITABLE FOR INJECTION MOLDING
    22.
    发明授权
    POLYOLEFIN MASTERBATCH AND COMPOSITION SUITABLE FOR INJECTION MOLDING 有权
    POLYOLEFINKONZENTRAT和注塑合适的混合

    公开(公告)号:EP1328581B1

    公开(公告)日:2007-09-26

    申请号:EP01970083.0

    申请日:2001-10-02

    Abstract: A masterbatch composition, a polyolefin composition prepared from the masterbatch composition and articles prepared from the polyolefin composition. The masterbatch composition contains (percent by weight) from 20 % to 90 % of A) a crystalline polypropylene component containing from 25 % to 75 % of a fraction AI having a melt flow rate MFRI of from 0.5 to 10 g/10 min., and from 75 % to 25 % of a fraction AII having a melt flow rate MFRII such that a ratio MFRII/MFRI is from 30 to 2000; and where fractions A?I and AII¿ are independently selected from the group consisting of a propylene homopolymer, a random copolymer of propylene containing up to 8 % of ethylene, and a random copolymer of propylene containing up to 8 % of at least one C¿4?-C10 α-olefin; and from 10 % to 80 % of B) a copolymer component of ethylene and at least one C3-C10 α-olefin, the copolymer containing from 10 to 70 % of ethylene, and optionally minor amounts of a diene, the copolymer being soluble in xylene at room temperature, and having an intrinsic viscosity [θ] of from 4 to 9 dl/g. Articles prepared by injection molding the polyolefin composition exhibit a good balance of physical properties and reduced surface defects such as tiger striping.

    METHOD FOR SECONDARY MOLDING OF POLYMER NANO ORIENTED CRYSTAL MATERIAL
    23.
    发明公开
    METHOD FOR SECONDARY MOLDING OF POLYMER NANO ORIENTED CRYSTAL MATERIAL 审中-公开
    VERFAHREN ZURSEKUNDÄRFORMUNGEINES POLYMEREN NANOORIENTIGTEN KRISTALLMATERIALS

    公开(公告)号:EP2626183A1

    公开(公告)日:2013-08-14

    申请号:EP11830789.1

    申请日:2011-10-07

    Abstract: A method for secondary-molding a polymer nano oriented crystal material in accordance with the present invention includes the steps of: (1) heating the polymer nano oriented crystal material so that the polymer nano oriented crystal material changes into (a) a mobile phase or (a) a melt having a dense entanglement network structure; (2) molding the polymer nano oriented crystal material which changed into (a) the mobile phase or (b) the melt including the dense entanglement network in the step (1); and (3) cooling the polymer nano oriented crystal material, which has undergone the step (2), until the polymer nano oriented crystal material changes into an ordered phase.

    Abstract translation: 根据本发明的用于二次模制聚合物纳米取向晶体材料的方法包括以下步骤:(1)加热聚合物纳米取向晶体材料,使得聚合物纳米取向晶体材料变为(a)流动相或 (a)具有致密缠结网络结构的熔体; (2)在步骤(1)中模制变成(a)流动相的聚合物纳米取向晶体材料或(b)包含致密缠结网络的熔体; 和(3)冷却已经经历了步骤(2)的聚合物纳米取向晶体材料,直到聚合物纳米取向晶体材料变成有序相。

    MULTILAYERED POLYPROPYLENE SHEET
    24.
    发明公开

    公开(公告)号:EP4245533A1

    公开(公告)日:2023-09-20

    申请号:EP21891951.2

    申请日:2021-11-11

    Abstract: A polypropylene multilayer sheet comprising:
    a biaxially oriented polypropylene layer F having a melting point TmF; and
    a biaxially oriented polypropylene layer N having a melting point TmN,
    the biaxially oriented polypropylene layer N and the biaxially oriented polypropylene layer F being alternately laminated,
    the polypropylene multilayer sheet having a thickness of 0.30 to 3.0 mm, wherein TmF > TmN ,
    a total number of layers is 3 to 11,
    the biaxially oriented polypropylene layer F is formed of a resin composition containing: a polypropylene-based resin as a component (A); and an inorganic filler as a component (B),
    a weight ratio of the component (B)/[the component (A) + the component (B)] is 0.5 to 60 wt%,
    the biaxially oriented polypropylene layer N is formed of a resin composition containing: a polypropylene-based resin as a component (a); and a component (B) as an optional component, and
    a weight ratio of the component (B)/[the component (a) + the component (B)] is 0 to 10 wt%.

    POLYPROPYLENE MULTI-LAYER SHEET
    30.
    发明公开

    公开(公告)号:EP4245532A1

    公开(公告)日:2023-09-20

    申请号:EP21891950.4

    申请日:2021-11-11

    Abstract: A polypropylene multilayer sheet comprising: a first biaxially oriented polypropylene layer having a melting point Tmh; and a second biaxially oriented polypropylene layer having a melting point Tml, the first biaxially oriented polypropylene layer and the second biaxially oriented polypropylene layer being alternately laminated, the polypropylene multilayer sheet having a thickness of 0.20 to 3.0 mm, wherein Tmh > Tml , and
    a total number of layers is 3 to 11.

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