5.
    发明专利
    失效

    公开(公告)号:JP2911724B2

    公开(公告)日:1999-06-23

    申请号:JP19169093

    申请日:1993-07-05

    摘要: There is provided a method for treating a shaped article made of a polypropylene resin before coating, comprising the step of degreasing and deterging a surface of the shaped article with an aqueous alkaline solution composed of (a) 5-50 g/liter of a builder and (b) 1-10 g/liter of an ethylene oxide adduct of aryl- or aralkyl-substituted phenol at 50 DEG -70 DEG C., the ethylene oxide adduct of aryl- or aralkyl-substituted phenol having a hydrophilic-lipophilic balance (HLB) of 8 to less than 12.