Author:Bereck, A; Trollip, NGDate:Jun 1987An investigation has been performed, the results of which provide evidence for the preferential use of phosphorus based reducing agents in place of the traditionally used sulphur based reducing agents in the first stage of mordant bleaching ...Read more
Author:Trollip, NGDate:Oct 1985The discovery of heterogeneous stereospecific catalyst systems by Ziegler and Natta 1953 heralded the birth of a wide variety of new polymers such as highly crystalline (isotactic) polypropylene.Read more