发明名称 Method for improving chlorine resistance of water pipes comprising polyethylene composition
摘要 The present invention is directed to the use of compound (A) and compound (B) in a polyolefin composition for increasing the lifetime of a pipe made of said polyolefin 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 provisio 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.
申请公布号 KR101303116(B1) 申请公布日期 2013.09.06
申请号 KR20117006279 申请日期 2009.12.17
申请人 发明人
分类号 C08K5/13;C08K5/1545;C08L23/04;F16L11/04 主分类号 C08K5/13
代理机构 代理人
主权项
地址