day the second silane solution consisted of a mixture of 10 grams of h 2 n ch 2 ch 2 nh ch 2 ch 2 ch 2 si och 3 3 plus 2 grams of methyl acrylate h 2 c u2550 ch c u2550 o o ch 3 to 10 grams of the resulting mixture was added 90 grams of isopropyl alcohol and 8 grams of water the resulting b c a c b type five layer composite film achieved excellent oxygen barrier characteristics showing a dry oxygen transmission rate of 0 15 ml m 2 day and a wet transmission rate of 1 15 ml m 2 day the third silane solution consisted of a mixture of 10 grams of h 2 n ch 2 ch 2 nh ch 2 ch 2 ch 2 si och 3 3 plus 2 grams of methyl acrylate hc u2550 ch c u2550 o o ch 3 to 10 grams of the resulting mixture was added 90 grams of isopropyl alcohol 2 grams of the additive polydiethoxysiloxane and 8 grams of water the resulting b c a c b type five layer composite film achieved excellent oxygen barrier characteristics showing a dry oxygen.