4.highly flammable substance made from cellulosenitrate and camphor; used in e.g. motion-picture and X-ray film; its use has decreased with the development of nonflammable thermoplastics.
5.The modifier 2-Hydroxy Propyl Acrylate(HPA) was grafted on Hydroxyethyl Cellulose(HEC) by using cerium ammomium nitrate/disodium ethylendiamine tetracetic aicd(CAN/EDTA) redax system as the initiator.