By F.E. Bailey
A entire therapy of a big kinfolk of polymers beneficial in quite a lot of functions in such fields as car, pharmaceutical, beauty, metal-working, mining, commercial coating, fabric, development, and residential furniture. Summarizes the chemistry and mechanisms; offers simple prepa
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5. H. Staudinger and O. Schweitzer, Ber. 62:2375 (1929). 6. H. Staudinger and H. Lohman, Ann. chim. 505:41 (1933). 7. I. G. Farbenindustrie A. G. Report, Reactivity of Ethylene Oxide, (9/6/29) in Field Information Agency Technical Report, The Manufacture of Ethylene Glycol, Polyglycols, Glycol Ethers, Ethylene Cyanhydrin, and Acrylonitrile, Phenyl Ethyl Alcohol and Related Derivatives of Ethylene Oxide in Germany, (J. D. Brander and R. S. Department of Commerce (1946). 8. A. Wurtz, Compt. rend.
Finally, in 1940, Paul Flory (11) described the kinetics of the base-initiated polymerization of the cyclic ethers such as ethylene oxide and showed that the kinetics predicted a narrow distribution of polymer molecular weights. Experiments verified this prediction of a Poisson distribution of molecular weights. This distribution predicts that, as the average polymer molecular weight becomes large, the ratio of the weight to number average molecular weight approaches unity, provided certain reaction conditions are met: All reaction chains are initiated simultaneously.
At 20°C, it has a vapor pressure of 13 mm mercury. Epichlorohydrin has a chloroformlike odor that is very irritating to eyes and skin. Acute toxicity data as well as other animal and human responses have been summarized (16). Page 23 B— Production Epichlorohydrin is made by a three-step process. First, propylene is chlorinated to form allyl chloride, which is then reacted with hypochlorous acid to give glycerol dichlorohydrin. Caustic treatment of glycerol dichlorohydrin then produces epichlorohydrin.