FRANKC . WHITMORE A N D HERBERT BERNSIXIN
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of aged paraldehyde have shown in promoting the reaction between olefins and sulfur dioxide can be obtained by use of peracetic acid solutions. 2. Vinyl chloride and vinyl bromide combine with sulfur dioxide 111 the presence of active paraldehyde or peracetic acid to give a polymer of the composition [ (C€1~====C)IIX)~S0~],,, I'ither than the usual one to one type of polymrr. '1 prcslimiiiary study of the reactioii of the viriyl halide
( ~ O N T R I B I . t T I O NOF I H R SC€iOOI, O F
CHEMISTRY AND
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polymer has iiot indicated its structural unit. 3. Ikeezing point -composition curves for solutiolis of styrene, 1-pentene and 10-hendecenoic acid in liquid sulfur dioxide offer no evidence of compound formatioii. But vinyl chloride aiid liquid sulfur dioxide form a compound contain~ngapproximately 40 mole per cent. ol viiipl chloride. 1 IRRAVTA, 11.i I N O l b
PHYSICS OF THE
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