Dana Mohammadnazar - Department of Polymer Chemistry, Shahreza Branch, Islamic Azad University, Shahreza, Iran.

Modification of polyurethane via application of vinyl trim ethoxysilane is the main purpose of this study. This approach conducted by synthesizing polyurethane using pre-polymer method. Usage of polypropylene glycol, hexam ethylene disocyanate and dimethyl poly-propionic acid in the vicinity of dibutyltin di-laurate sulfate catalyst at 85°C was the experimental plan which was managed for this goal. As a result synthesized of aforementioned polymer at agitation speed of 1200 rpm after using of silane as an enhancement factor, all influential parameters showed improvement in their behavior namely thermal and morphology properties, water absorption and stability.

Emulsion polymerization, monomer, polyurethane, vinyl Trimethoxysilane, Nano-clay.