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The relationship between the structure and property of polyurethane elastomer derived from bisphenol-S derivatives/diisocyanate system was studied. The effects of the amount of soft segment of diol, including ester and ether, as well as the effects of structure of diisocyanate on the mechanical properties of elastomer were discussed on the basis of the results obtained from the hardness, tensile...
In this study, a new poly(silyl ether) with reactive pendant chloromethyl groups was synthesized by an addition reaction between dichlorodiphenylsilane (CPS) and the diglycidyl ether of bisphenol-S (bisphenol-S epoxy). The polyaddition proceeded very smoothly and regioselectively in toluene catalysed by quaternary ammonium or phosphonium salts such as tetrabutylammonium bromide, tetrabutylammonium...
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