A decrease of 22% for the ANS/XNBR latex
films compared to the previous days and 17% for the control films
indicate thatthe auto-oxidationprocess was at apeak after 3days of
air exposure under heat.
When comparing the declined properties
after the third day, it was only 1.9% for the ANS/XNBR latex film and
5.8% for control film.