POLYETHYLENE COMPOSITION FOR WATER PIPES WITH IMPROVED CHLORINE RESISTANCE,申请号CA20092748145-传众专利搜索

POLYETHYLENE COMPOSITION FOR WATER PIPES WITH IMPROVED CHLORINE RESISTANCE

申请公布号：CA2748145(C)

申请号：CA20092748145

申请日期：2009.12.17

申请公布日期：2013.08.06

申请人：

BOREALIS AG

发明人：PALMLOEF, MAGNUS;ODERKERK, JEROEN

分类号：C08K5/13;C08K5/1545

主分类号：C08K5/13

摘要：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, X1, 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.