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    • 23. 发明申请
    • POLYETHYLENE COMPOSITION FOR WATER PIPES WITH IMPROVED CHLORINE RESISTANCE
    • 具有改善氯离子电阻的水管的聚乙烯组合物
    • US20110237716A1
    • 2011-09-29
    • US13120929
    • 2009-12-17
    • Magnus PalmlofJeroen Oderkerk
    • Magnus PalmlofJeroen Oderkerk
    • C08K5/1545
    • 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—R6, R7 and R8 independently are non-substituted or substituted aliphatic or aromatic hydrocarbyl radicals which may comprise OH-groups, X1, X2, and X3 independently are H or OH, with the proviso that at least one of X1, X2, and X3 is OH, and the entire molecule does not comprise an ester group; wherein compound (B) has the following formula (II): wherein R1, R2, R3, R4 and R5 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.
    • 本发明涉及在聚乙烯组合物中使用化合物(A)和化合物(B)),以增加由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分别是可以包含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。