1. X.-M. Xie, Y.-Y Liu and Z.-M. Zhang "Preparation of Polypropylene/Acrylonitrile-styrene Copolymer Alloys by One-step Reactive Blending" Society of Plastics Engineers Annual Technical Conference (ANTEC' 99), New York, USA, 1999 2. Xiao Zhen and Xuming Xie "Effect of Addition of Multifunctional Monomers on One Step Reactive Extrusion of PP/PS Blends" 5th IUMRS International Conference on Advanced Materials (IUMRS-ICAM'99), Beijing, China, 1999 3. Hui Yang and Xuming Xie "Effect of Addition of Multifunctional Monomers on One Step Reactive Extrusion of PP/PS Blends" 5th IUMRS International Conference on Advanced Materials (IUMRS-ICAM'99), Beijing, China, 1999 4. Ying Li and Xu-Ming Xie "Mechanism of Styrene Assisted Melt Free Radical Grafting of Maleic Anhydride onto Polypropylene" Pacific Polymer Federation (PPF-6), Guangzhou, China, 1999 5. Xiang-Ming Kong and Xu-Ming Xie "Effect of substrate on the phase inversion of PS/PMMA blend films" International Polymer Physics Symposium, Huangshan, China, Oct.2000 6. Wang Zhen, Chen Zhou, Kong Xiang-Ming, and Xie Xu-Ming "THE EFFECT OF FILM THICKNESS ON THE POLYMER CRYSTALLIZATION" IUPAC World Polymer Congress, Beijing, China, July, 2002 7. Q. Zong, X.M. Xie, X.M. Kong, ZH. Li and J. Fang "Influence of glass substrate on the evolution of phase morphology in immiscible polymer blend thin films" IUPAC World Polymer Congress, Beijing, China, July, 2002 8. Jian Zhang, Le Zhang, Xu-Ming Xie "PROPERTIES OF THE SPECIAL SUPERABSORBENT POLYMER" IUPAC World Polymer Congress, Beijing, China, July, 2002 9. J. Zhang, L. Zhang and X. M. Xie "INTERPENETRATING POLYMER NETWORK HYDROGELS OF POLY(ACRYLAMIDE/SODIUM 2-ACRYLAMIDO-2-METHYL PROPANE SULFONATE) AND PARTIALLY-HYDROLYZED POLYACRYLAMIDE" International Polymer Physics Symposium, Qingdao, China, July,2002 10. Jing-Chun Zhang, Bin Zhang and Xu- Ming Xie "Microphase separation structure formed in GMA/St multi-monomer melt grafted polypropylene" PPS meeting,Melbourne, Australia, July, 2003