Rubber of high molar mass, like cis-polybutadiene, shows a stress peak on theenineering stress-strain curve during stretching at room temperature. In this work
A series of ethylene-norbornene copolymers were synthesised using VO (OEt) Cl<sub>2</sub>/Al<sub>2</sub>Et<sub>3</sub>Cl<sub>3</sub> catalytic system and their st
A new liquid crystalline polyacetylene containing a phenyl benzoate mesogen (5) is synthesized,whose mesomorphic properties are found to be easily "tunab1e" by si