that contain the aldehyde scavenger in the both lldpe layers films are oxidized to a moderate level about 1000 cc o 2 m 2 mil and headspace gc analysis is performed on portions of the film films containing syloid u00ae 244 w r grace amp co conn treated with 3 aminopropyltriethoxysilane from example 3 about 0 3 mequiv base per gram silica are compared to a control with no aldehyde scavenger table 4 shows the percent in various volatiles relative to the control film table 4______________________________________evaluation of aminopropyl functionalized silica2 loading in lldpe sup a layers of lldpe osl lldpe after 1 day sup b after 5 days sup c percent change percent changevolatile component from control from control______________________________________acetaldehyde 21 19propanal 19 7acetic acid 5 28propanoic acid 9 19total volatile 9 11components in thechromatogram______________________________________ sup a lldpe used is dowlex 3010 from dow chemical sup b oxygen loading of control is 1063 cc o sub 2 m sup 2 mil test sample is 911 cc o sub 2 m sup 2 mil sup c oxygen loading of control is 1393 cc o sub 2 m sup 2 mil test sample is 1450 cc o sub 2 m sup 2 mil the amount of certain identified extractables is reduced by the percentages shown in table 4 in addition the total amount of all extractables is reduced by the percentages shown these results show that adding ap silica to a flanking layer does reduce the levels of aldehydes and acids migrating from the multilayer film in the gc screening test ap silica absorbed acetaldehyde and propanal as well as pei and poly allylamine see tables 1 3 this material has an advantage over pei and other polyamines in that it does not discolor.