Fibre reinforced polypropylene foam
    4.
    发明公开
    Fibre reinforced polypropylene foam 有权
    纤维增强聚丙烯泡沫

    公开(公告)号:EP1801146A1

    公开(公告)日:2007-06-27

    申请号:EP05028435.5

    申请日:2005-12-23

    IPC分类号: C08J9/00 C08J9/08

    摘要: The present invention relates to a foamed polypropylene composition comprising a propylene homo- and/or copolymer and glass fibres, wherein
    (i) the composition has a density of 50 to 950 kg/m 3 ,
    (ii) the tensile modulus tm (extrusion direction) measured according to ISO 527 in extrusion direction and the k-value measured according to ASTM C-177 satisfy the relation: tm extrusion direction MPa / k W / mK ≥ 9000 Mpa ⋅ mK / W ,
    to the use of said composition for the production of an insulating layer and to an article comprising said composition.

    Polyolefin composition with increased resistance to CIO2-containing water
    7.
    发明公开
    Polyolefin composition with increased resistance to CIO2-containing water 无效
    聚烯烃阻燃剂电阻式电阻器CIO2-enthaltenden wasser

    公开(公告)号:EP1911799A1

    公开(公告)日:2008-04-16

    申请号:EP06020747.9

    申请日:2006-10-02

    摘要: The present invention relates to a polyolefin composition comprising a polyolefin base resin and an antioxidant, characterized in that said polyolefin composition has a lifetime of at least 200 h in a test measuring the resistance against ClO 2 -containing water at 90 °C and at a concentration of ClO 2 of 4 ppm wherein the equipment used is according to ASTM F2263-03.
    The present invention further relates to a pipe comprising the polyolefin composition according to the invention, to the use of the polyolefin composition for the production of a pipe, and to the use of a particularly selected antioxidant for increasing the resistance of a polyolefin composition against degradation caused by contact with ClO 2 -containing water.

    摘要翻译: 本发明涉及一种包含聚烯烃基础树脂和抗氧化剂的聚烯烃组合物,其特征在于所述聚烯烃组合物在测试在90℃和在90℃下对含ClO 2的水的抗性的试验中具有至少200小时的寿命 浓度为4ppm的ClO 2,其中使用的设备根据ASTM F2263-03。 本发明还涉及一种包含根据本发明的聚烯烃组合物的管,涉及使用聚烯烃组合物来生产管子,以及使用特别选择的抗氧化剂来增加聚烯烃组合物抵抗降解的阻力 由与含ClO 2的水接触引起的。

    Polyethylene composition for pressure pipes with enhanced flexibility
    8.
    发明公开
    Polyethylene composition for pressure pipes with enhanced flexibility 有权
    用于压力管道的聚乙烯组合物具有增强的柔韧性

    公开(公告)号:EP1909013A1

    公开(公告)日:2008-04-09

    申请号:EP06020872.5

    申请日:2006-10-04

    IPC分类号: F16L9/12 C08L23/04

    摘要: The present invention relates to a polyethylene composition comprising a base resin which comprises
    (a) an ethylene homo- or copolymer fraction (A); and
    (b) an ethylene homo- or copolymer fraction (B),

    wherein
    (i) fraction (A) has a lower average molecular weight than fraction (B);
    (ii) the base resin has a density of 940 to 947 kg/m 3 ;
    (iii) the polyethylene composition has an MFR 5 of 0.1 to 0.5 g/10 min; and
    (iv) the polyethylene composition has an SHI (2.7/210) of 10 to 49.
    Furthermore, the present invention relates to an article, preferably a pipe comprising said composition and to the use of said composition for the production of an article, preferably a pipe.

    摘要翻译: 本发明涉及包含基础树脂的聚乙烯组合物,所述基础树脂包含(a)乙烯均聚物或共聚物部分(A); 和(b)乙烯均聚物或共聚物部分(B),其中(i)部分(A)具有比部分(B)更低的平均分子量; (ii)基础树脂的密度为940至947kg / m 3; (iii)聚乙烯组合物具有0.1至0.5g / 10min的MFR 5; 和(iv)所述聚乙烯组合物具有10至49的SHI(2.7 / 210)。此外,本发明涉及一种制品,优选包含所述组合物的管材以及所述组合物用于生产制品的用途, 最好是一根管子。

    Discolour-free silanol condensation catalyst containing polyolefin composition
    9.
    发明公开

    公开(公告)号:EP1760111A1

    公开(公告)日:2007-03-07

    申请号:EP05018918.2

    申请日:2005-08-31

    摘要: The present invention relates to a polyolefin composition comprising a crosslinkable polyolefin with hydrolysable silane groups and a silanol condensation catalyst, and
    (A) a compound containing one or more PO m (O n R)(O o R')(O p R") groups, wherein
    R, R', and R" are the same or different organic residues; m is 0 or 1; n, o, and p each are 0 or 1; and n + o + p = 1 to 3;

    a master batch for a crosslinkable polyolefin composition comprising a polymer and a silanol condensation catalyst and component (A), a stabilized polyolefin containing cross-linked silane groups wherein cross-linking has been performed by the use of a silanol condensation catalyst, further comprising component (A), and to the use of component (A) for stabilizing a polyolefin composition comprising a crosslinkable polyolefin with hydrolysable silane groups and a silanol condensation catalyst. The polyolefin composition of the invention can be used for pipe, wire & cable, film, fibre and moulding applications.

    摘要翻译: 本发明涉及包含具有可水解硅烷基团的可交联聚烯烃和硅烷醇缩合催化剂的聚烯烃组合物,和(A)含有一个或多个PO m(O n R)(O o R')(O o R')(O p R“ )基团,其中R,R'和R“是相同或不同的有机残基; m为0或1; n,o和p各自为0或1; 和n + o + p = 1〜3; 用于包含聚合物和硅烷醇缩合催化剂和组分(A)的可交联聚烯烃组合物的母料,含有交联硅烷基团的稳定的聚烯烃,其中通过使用硅烷醇缩合催化剂进行交联,还包含组分 (A),以及组分(A)用于稳定含有可水解硅烷基团的可交联聚烯烃的聚烯烃组合物和硅烷醇缩合催化剂的用途。 本发明的聚烯烃组合物可用于管道,电线和电缆,膜,纤维和模塑应用。