Polymerization of Cyclic Imino Ethers. X. Kinetics,Chain Transfer,and Repolymerization |
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| Authors: | M Litt A Levy J Herz |
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| Institution: | 1. Central Research Laboratories Allied Chemical Corporation , Morristown, New Jersey, 07960;2. Department of Macromolecular Science , Case Western Reserve University , Cleveland, Ohio, 44106;3. Ethicon Corporation , Somerville, New Jersey, 08876;4. Central Research Laboratories, Stauffer Chemical Corporation , Tarrytown, New York, 10591 |
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| Abstract: | The main conclusions in studies on polymerization catalysts and the nature of chain transfer in the polymerization of cyclic imino ethers were that there is extensive chain transfer in the 2-alkyl oxazolines to produce polymer with a reactive end. Toward the end of polymerization, these chain-transferred molecules repolymerize back on the active center producing a multibranched star polymer. A theory for the data was developed. |
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