MULTIMODAL POLYETHYLENE COMPOSITION WITH HIGH PRESSURE RESISTANCE
    1.
    发明申请
    MULTIMODAL POLYETHYLENE COMPOSITION WITH HIGH PRESSURE RESISTANCE 审中-公开
    具有高耐压性的多模聚乙烯组合物

    公开(公告)号:WO2016005044A1

    公开(公告)日:2016-01-14

    申请号:PCT/EP2015/001374

    申请日:2015-07-06

    Applicant: BOREALIS AG

    Abstract: The present invention relates to a multimodal polyethylene composition which can be manufactured into pipes showing improved pressure resistance comprising a high density multimodal ethylene polymer component (A) having a density of at least 930 kg/m 3 , and a MFR 21 of not more than 15 g/10 min, wherein said composition exhibits a LAOS-NLF defined as Formula (I) where G ' 1 - first order Fourier Coefficient G ' 3 - third order Fourier Coefficient of at least 1.7. Such a polyethylene composition is useful for the manufacture of pressure pipes that exhibit improved pressure resistance and creep resistance and do not undergo sagging. Further disclosed is a process for the production of a pipe using such a multimodal polyethylene composition and a pipe comprising such a multimodal polyethylene composition.

    Abstract translation: 本发明涉及一种多峰聚乙烯组合物,其可以制造成显示出改进的耐压性的管,其包含密度为至少930kg / m 3的高密度多峰乙烯聚合物组分(A),MFR 21不大于15g 10分钟,其中所述组合物显示定义为式(I)的LAOS-NLF,其中G'1-一级傅立叶系数G'3-三阶傅里叶系数为至少1.7。 这种聚乙烯组合物可用于制造显示出改善的耐压性和抗蠕变性并且不会下垂的压力管。 进一步公开了使用这种多峰聚乙烯组合物生产管道的方法和包含这种多峰聚乙烯组合物的管道。

    PROCESS FOR MIXING OLEFIN POLYMER WITH REACTANTS
    2.
    发明申请
    PROCESS FOR MIXING OLEFIN POLYMER WITH REACTANTS 审中-公开
    混合烯烃聚合物与反应物的方法

    公开(公告)号:WO2016162453A1

    公开(公告)日:2016-10-13

    申请号:PCT/EP2016/057684

    申请日:2016-04-08

    Applicant: BOREALIS AG

    CPC classification number: C08J3/12 C08F210/06 C08F236/06 C08F255/02 C08L23/14

    Abstract: The present invention is directed to a process for producing a modified olefin polymer having increased melt strength in an extruder. The process comprising the steps of: (A) contacting a stream comprising particles of an olefin polymer with a vapour stream of a functionally unsaturated compound in vapour phase thereby producing a first mixed stream; (B) passing the first mixed stream to an extruder; (C) melting the polymer particles of the first mixed stream in the extruder; (D) introducing a stream of a free radical generator either into the first mixed stream or into the extruder; and (E) extruding the first mixed stream and the free radical generator at a temperature which is greater than the decomposition temperature of the free radical generator and the melting temperature of the olefin polymer but less than the decomposition temperature of the olefin polymer thereby producing the modified olefin polymer in the extruder.

    Abstract translation: 本发明涉及在挤出机中生产具有增加的熔体强度的改性烯烃聚合物的方法。 该方法包括以下步骤:(A)使包含烯烃聚合物颗粒的物流与功能不饱和化合物的蒸汽流气相接触,从而产生第一混合流; (B)将第一混合流送入挤出机; (C)在挤出机中熔化第一混合流的聚合物颗粒; (D)将自由基产生剂流引入第一混合物流或挤出机中; 和(E)在大于自由基发生剂的分解温度和烯烃聚合物的熔融温度但低于烯烃聚合物的分解温度的温度下挤出第一混合流和自由基发生剂,从而产生 改性烯烃聚合物。

    PROCESS FOR PRODUCING PELLETS OF COPOLYMERS OF PROPYLENE
    4.
    发明申请
    PROCESS FOR PRODUCING PELLETS OF COPOLYMERS OF PROPYLENE 审中-公开
    制备丙烯共聚物颗粒的方法

    公开(公告)号:WO2016091803A1

    公开(公告)日:2016-06-16

    申请号:PCT/EP2015/078823

    申请日:2015-12-07

    Applicant: BOREALIS AG

    Abstract: The present invention provides a process for extruding and pelletising a propylene copolymer. The copolymer has a content of comonomer from 5 to 40% by mole, a melt flow rate MFR 2 measured at 230 °C under a load of 2.16 kg of from 0.5 to 15 g/10 min and a content of cold xylene soluble material of from 20 to 60% by weight. The process comprises extruding the propylene copolymer through a die plate into an underwater pelletiser and cutting strands of the propylene copolymer into pellets in the underwater pelletiser, wherein the ratio of the mass flow rate of the propylene copolymer to the mass flow rate of the cooling water is from 0.020 to 0.060; and the propylene copolymer comprises a polymeric nucleating agent.

    Abstract translation: 本发明提供了挤出和造粒丙烯共聚物的方法。 共聚物的共聚单体含量为5〜40摩尔%,在230℃,2.16千克负荷下测定的熔体流动速率MFR 2为0.5〜15g / 10分钟,冷二甲苯可溶物质含量为 20〜60重量%。 该方法包括将丙烯共聚物通过模板挤出到水下造粒机中,并将丙烯共聚物的股线切割成水下造粒机中的颗粒,其中丙烯共聚物的质量流量与冷却水的质量流量的比率 为0.020〜0.060; 丙烯共聚物包含聚合物成核剂。

    LONG-CHAIN BRANCHED POLYPROPYLENE FOR FOAM APPLICATION
    8.
    发明申请
    LONG-CHAIN BRANCHED POLYPROPYLENE FOR FOAM APPLICATION 审中-公开
    长链分支聚丙烯泡沫应用

    公开(公告)号:WO2016071384A2

    公开(公告)日:2016-05-12

    申请号:PCT/EP2015/075676

    申请日:2015-11-04

    Applicant: BOREALIS AG

    Abstract: The invention relates to a propylene homopolymer or copolymer having a comonomer in the copolymer selected from ethylene, C 4 -C 20 -alpha olefin, said propylene homopolymer or copolymer being free of phthalic compound. It further relates to a long-chain branched propylene homopolymer or copolymer (b-PP) having a comonomer in the copolymer selected from ethylene, C 4 -C 20 -alpha olefins, said long-chain branched propylene homopolymer or copolymer (b-PP) being free of phthalic compound. As well as their production processes and uses.

    Abstract translation: 本发明涉及在选自乙烯,C 4 -C 20-α烯烃,所述丙烯均聚物或共聚物不含邻苯二甲酸化合物的共聚物中具有共聚单体的丙烯均聚物或共聚物。 它还涉及在选自乙烯,C 4 -C 20-α-烯烃,所述长支链丙烯均聚物或共聚物(b-PP)中的共聚物中具有共聚单体的长支链丙烯均聚物或共聚物(b-PP) 不含邻苯二甲酸。 以及其生产工艺和用途。

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