ANTIOXIDANT FOR ORGANIC MATERIAL

摘要

PROBLEM TO BE SOLVED: To provide an antioxidant for organic materials which gives a resin composition, a sheet or the like more hardly suffering from yellowing when incorporated with organic materials such as polyolefins or polyurethanes. SOLUTION: The antioxidant for organic materials comprises (a) and (b) below and the content of (b) is at least 1 ppm in terms of the metal below based on the total weight of (a) and (b): (a) a hindered phenolic compound represented by formula (I); and (b) a compound of at least one metal selected from the group consisting of groups I, II and IV of the periodic table [the periodic table proposed by IUPAC in 1985]. COPYRIGHT: (C)2005,JPO&NCIPI