A Thermolysis Study of Poly(Trimethylene Phenylphosphinate) and Poly(2,2-Dimethyltrimethylene Phenylphosphinate). NMR and X-Ray Structure of 2-Oxo-2-Phenyl-4,4-Dimethyl-1,2-Oxaphospholan |
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| Authors: | Gurdial Singh |
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| Affiliation: | E. I. du Pont de Nemours and Company, Inc., Textile Fibers Department, Pioneering Research Laboratory , Experimental Station, Wilmington, Delaware, U.S.A. |
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| Abstract: | Abstract The syntheses of polyphosphinates 2 and 2a by the ring-opening polymerization of cyclic phosphonites 1 and 1a with CH3I as an initiator have been reported in literature1–3. These polymers thermally decompose to give oxaphospholan 3 and 3a. In this paper, we present evidence on the mechanism of their formation. |
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