Light permeable material useful for packaging purposes e.g. packaging liquid objects such as beer and wine, comprises first layer of polymer material containing specific concentration of at least one compound having activity of vitamin E

摘要

A light permeable material (I) comprises first layer (a) of polymer material (a1). (a) Has a first surface which is turned towards a packaging object. (a) Comprises at least one compound having activity of vitamin E at a total concentration of at least 700 parts per million (ppm). - An INDEPENDENT CLAIM is also included for preparation of (I) involving: forming (a); and forming (I) containing further layer(s) and/or barrier layer(s).