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    METHOD FOR MANUFACTURING A PELLET IN A PELLET MILL, A PELLET AND ITS USE
    22.
    发明申请
    METHOD FOR MANUFACTURING A PELLET IN A PELLET MILL, A PELLET AND ITS USE 审中-公开

    公开(公告)号：WO2021048061A1

    公开(公告)日：2021-03-18

    申请号：PCT/EP2020/074965

    申请日：2020-09-07

    Applicant: BASF SE

    Inventor： GFROERER, Thomas Georg ,  SATHYANARAYANA, Shyam Sundar ,  GEOERG, Yean Yik ,  PUCH, Florian ,  O'SULLIVAN, Jennifer M ,  HERBST, Heinz

    IPC: B29B9/08 ,  B29B9/12 ,  B29B9/16 ,  C08J3/22 ,  C08K5/13

    Abstract: Method for manufacturing a pellet in a pellet mill, comprising the steps of (a) pressing a mixture for compaction by a roller through a nozzle to obtain a strand, and (b) comminuting the strand to obtain the pellet, wherein the mixture for compaction comprises (i) 87 to 97 wt.-% of a polymer stabilizer, which is tris(2,4-ditert- butylphenyl) phosphite (CAS-No. 31570-04-4), and (ii) 3 to 13 wt- % of a processing aid, which is a propylene-ethylene copolymer and which possesses a melting enthalpy below 100 J/g at 101.32 kPa. The pellet is useful for a dust-free handling of its polymer stabilizer at a manufacturing of the stabilized polymer. Furthermore, a method for stabilizing a polymer, which is a polyolefin, a polystyrene or a mixture thereof, is also disclosed, which comprises the dosing of the pellet to the polymer.

    POLYETHYLENE OR POLYPROPYLENE ARTICLES
    23.
    发明申请
    POLYETHYLENE OR POLYPROPYLENE ARTICLES 审中-公开

    公开(公告)号：WO2020114810A1

    公开(公告)日：2020-06-11

    申请号：PCT/EP2019/082327

    申请日：2019-11-22

    Applicant: BASF SE

    Inventor： WEYLAND, Tania ,  HERBST, Heinz ,  BERTET, Marie Laure

    IPC: C08K3/22 ,  C08K5/13 ,  C08K5/3492 ,  C08K5/526 ,  F16L9/12

    Abstract: An article in the form of a pipe, cable or geomembrane comprising polyethylene or polypropylene, and components A) and B), wherein component A) is a hindered amine light stabilizer containing a triazine residue, component B) is magnesium hydroxide which is present in an amount of 0.01% to 5% by weight relative to the weight of the polyethylene or polypropylene, and the weight ratio of component A) to component B) is 1:50 to 50:1, with the proviso that component B) is not a hydrotalcite.

    ANTI-CORROSIVE PHOSPHINATE FLAME RETARDANT COMPOSITIONS
    28.
    发明申请
    ANTI-CORROSIVE PHOSPHINATE FLAME RETARDANT COMPOSITIONS 审中-公开
    抗腐蚀磷酸盐阻燃剂组合物

    公开(公告)号：WO2012072739A1

    公开(公告)日：2012-06-07

    申请号：PCT/EP2011/071514

    申请日：2011-12-01

    Applicant: BASF SE ,  MINDER, Ernst ,  HERBST, Heinz

    Inventor： MINDER, Ernst ,  HERBST, Heinz

    IPC: C08K5/00 ,  C08K3/22 ,  C08K5/5313

    CPC classification number: C08K3/22 ,  C08K5/0066 ,  C08K5/098 ,  C08K5/5313 ,  C08L63/00 ,  Y10T428/31511

    Abstract: The present invention relates to flame retardant polymer compositions which comprise phosphinic acid salts in combination with polymer chain extension agents on the basis of epoxide structures and oxides or hydroxides of selected metals. The compositions are especially useful for the manufacture of flame retardant compositions based on thermoplastic polymers, especially polyolefin homo- and copolymers, such as polybutylene terephthalate (PBT).

    Abstract translation: 本发明涉及阻燃聚合物组合物，其中基于选择的金属的环氧化物结构和氧化物或氢氧化物，其包含与聚合物链延伸剂组合的次膦酸盐。 该组合物特别可用于制造基于热塑性聚合物的阻燃组合物，特别是聚对苯二甲酸丁二醇酯（PBT）的聚烯烃均聚物和共聚物。

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