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Published July 2, 2002 | public
Journal Article

Synthesis of Well-Defined Poly((vinyl alcohol)_2-alt-methylene) via Ring-Opening Metathesis Polymerization


The synthesis of a new methylene−(vinyl alcohol) copolymer, poly((vinyl alcohol)_2-alt-methylene) (MVOH), by ring-opening metathesis polymerization with ruthenium catalysts is reported. Unsaturated cyclic 1,3-diols were protected with a di-tert-butylsilyl group to form strained cyclic olefins. The molecular weights of the polymers were controlled by varying the monomer-to-catalyst ratios or by the addition of a chain transfer agent. Hydrogenation and subsequent deprotection of the ROMP polymers yield the MVOH copolymer structure which was confirmed by ^1H NMR and ^(13)C NMR spectroscopies. Thermal properties of the corresponding MVOH copolymer are reported.

Additional Information

© 2002 American Chemical Society. Received 1 November 2001. Published online 5 June 2002. Published in print 1 July 2002. The authors thank John P. Morgan, Isaac M. Rutenberg, and Daniel P. Sanders for critical reading of this manuscript. O.A.S. thanks the NSF for a graduate fellowship. H.M.K thanks the NIH for a postdoctoral fellowship. This work was supported by the NSF.

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