Abstract
Abstract1,3,5‐Trivinyl‐2,4,6‐trichlorobenzene has been prepared and its copolymerization, at low weight percentages, with styrene has been studied by following the change in viscosity of the polymerizing systems as a function of time. The copolymerization was studied as a function of the concentration of the trivinyl compound (0.5–2 weight per cent) at two temperatures and two benzoyl peroxide concentrations. The gelation times and per cent styrene polymerized at gelation were estimated. In addition, the copolymerization of 1,3,5‐trivinyl‐2,4,6‐trichlorobenzene with styrene was compared with that of 1,4‐divinyl‐2,3,5,6‐tetrachlorobenzene and 1,3‐divinyl‐2,4,5,6‐tetrachlorobenzene, both with styrene. The infrared and ultraviolet spectra of the three cross‐linking agents were determined. The ultraviolet spectrum of 1,4‐divinyl‐2,3,5,6‐tetrachlorobenzene provides a basis for explaining its greater reactivity in copolymerization with styrene.
Published Version
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