pp ws

The peak of the LDPE–WS and PP–WS blends at approximately 763 K in the ΔW curves indicated reduced volatile substances. pp wa menyala LDPE and PP were softened initially into plastic and then used as coating on WS to prevent volatile substances from escaping [2, 28–30]. pp wa menyala Above 773 K, the volatile substances increased rapidly, because the LDPE and PP in