Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Showa Denko Materials Co Ltd
Original Assignee
Hitachi Chemical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Chemical Co LtdfiledCriticalHitachi Chemical Co Ltd
Priority to JP7254977ApriorityCriticalpatent/JPS547439A/en
Publication of JPS547439ApublicationCriticalpatent/JPS547439A/en
PURPOSE: A waterproofing agent having improved adhesion and suppleness of films to cracks of coated articles, obtained by incorporating an internally plasticized vinyl acetate copolymer emulsion with an acrylic emulsion, etc.