... plays a dominant role in the development of fuel oils and improvement of their moderate conditions (3)It can promote ... heat stability of polymer, improve the properties of plastic, fuser, cellulose ect; Protect polynthene, polypropene, polyster ect, from depolymerization ... )As photosensitive catalyst, it can promote the photochemical degadation of plastic films, reducing white pollution. (7)It is ...