0 5 02 c 80 0 14 5 5 5 40 5 0 0 5 10control82 5 12 0 5 5 0 3 0 0 5 3002 d 82 5 12 0 5 5 20 5 0 0 5 102 e 82 5 12 0 5 5 30 5 0 0 5 02 f 82 5 12 0 5 5 40 5 0 0 5 02 g 85 0 9 5 5 5 20 5 0 0 5 102 h 85 0 9 5 5 5 30 5 0 0 5 02 i 85 0 9 5 5 5 40 5 0 0 5 02 j 87 5 7 0 5 5 20 5 0 0 5 02 k 87 5 7 0 5 5 30 5 0 0 5 02 l 87 5 7 0 5 5 40 5 0 0 5 0__________________________________________________________________________ in this example the latex employed in example 1 was modified with varying amounts of other metal acetates modification was effected by adding the appropriate amount of 2n solution of the metal acetate to 800 parts of the latex otherwise the procedures were the same as in example 1 table iii______________________________________ coating formulation equiv ratio wax silica 127 u00b0 c sample metal co sub 2 h conc conc jaw releaseno ion phr phr gms ______________________________________3 a nh sub 4 20 5 0 0 5 903 b nh sub 4 30 5 0 0 5 1303 c nh sub 4 40 5 0 0 5 1803 d na 20 5 0 0 5 103 e na 30 5 0 0 5 603 f na 40 5 0 0 5 203 g k 20 5 0 0 5 1703 h k 30 5 0 0 5 903 i k 40.