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    • 9. 发明申请
    • POLYETHYLENE COMPOSITION FOR WATER PIPES WITH IMPROVED CHLORINE RESISTANCE
    • 具有改善氯化物电阻的水管的聚乙烯组合物
    • WO2010072375A1
    • 2010-07-01
    • PCT/EP2009/009096
    • 2009-12-17
    • BOREALIS AGPALMLÖF, MagnusODERKERK, Jeroen
    • PALMLÖF, MagnusODERKERK, Jeroen
    • C08K5/13C08K5/1545
    • C08K5/13C08K5/1545C08L23/02
    • The present invention is directed to the use of compound (A) and compound (B) in a polyethylene composition for increasing the lifetime of a pipe made of said polyethylene composition which is in permanent contact with chlorinated water, wherein compound (A) has the following formula (I): wherein - R 6 , R 7 and R 8 independently are non-substituted or substituted aliphatic or aromatic hydrocarbyl radicals which may comprise OH-groups, X 1 , X 2 , and X 3 independently are H or OH, with the proviso that at least one of X 1 , X 2 , and X 3 is OH, and the entire molecule does not comprise an ester group; wherein compound (B) has the following formula (II): wherein R 1 , R 2 , R 3 , R 4 and R 5 independently are H, or non-substituted or substituted aliphatic or aromatic hydrocarbyl radicals which may comprise heteroatoms, and wherein the base resin of said polyethylene composition consists of a polyethylene homo-or copolymer.
    • 本发明涉及化合物(A)和化合物(B)在聚乙烯组合物中的用途,以增加与氯化水永久接触的所述聚乙烯组合物制成的管的使用寿命,其中化合物(A)具有 下式(I):其中-R 6,R 7和R 8独立地是可以包含OH-基团的未取代或取代的脂族或芳族烃基,X 1,X 2和X 3独立地是H或OH,条件是至少 X1,X2和X3之一是OH,整个分子不包含酯基; 其中化合物(B)具有下式(II):其中R 1,R 2,R 3,R 4和R 5独立地是H或可以包含杂原子的未取代或取代的脂族或芳族烃基,并且其中所述 聚乙烯组合物由聚乙烯均聚物或共聚物组成。