Molecular Weight and Molecular Weight Distribution Control of Ring-opening Metathesis Polymerization of Norbornene;

Polymerization of norbornene with amidogen substituted mono (η~5-cyclopentadienyl)titanium/methyl aluminoxane catalyst;

Synthesis and characterization of 5-norbornene-2,3-dicarboxylicacid monomethyl ester;

The histories of experimental and theoretical development of all kinds of SMP, such as polynorbornlene, trans polyisoprene, crosslinked polyethylene and polyurethane were given and the applications of SMP in medical treatment, packaging, building, toy, autocar and equipment of alarm were presented.

And summed the histories of experimental and theoretical development of all inds of shape memory polymers,such as trans-polyisoprene(TPI),crosslinked polythylene(XLPE)polynorbornlene,polyurethane(PU),gelatin system and others.

Based on principle of shape memory, performanceand application of the polymers includingpolynorbornylene,anti-polyisorprene,styrene-butadiene copolymer and polyurethane are discussed,and the developing prospects of them are given.

Shape-memory resin is a new type of functional macromolecular material, now, the exploited varieties are polynorbornylene, homo-anti-polyisoprene, butyl-phenyl copolymer, and polyurethane.