Journal
JOURNAL OF APPLIED POLYMER SCIENCE
Volume 122, Issue 2, Pages 891-897Publisher
WILEY
DOI: 10.1002/app.34193
Keywords
cationic polymerization; ring-opening polymerization; cyclic phosphonate; clay; poly(alkylene H-phosphonate)
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Funding
- Algerian Ministry of Foreign Affairs
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A new method of preparation of poly(alkylene H-phosphonate)s by ring-opening bulk polymerization of the five- and six-membered cyclic phosphonates monomers using the nontoxic Maghnite-H+ as the initiator is described. Cyclic phosphonate monomers have been first synthesized. In particular, a new one-step synthesis of 2-hydro-2-oxo-1,3,2-dioxaphospholane is reported with a yield of 70%. The efficiency of the montmorillonite sheet silicate clay which exchanged with protons, called Maghnite-H+, as cationic initiator has been proved and the resulting biomimetic poly(alkylene H-phosphonate) s have been characterized. The Maghnite-H+ regenerated after one turn-over has showed to be still efficient as initiator for the ring-opening polymerization. (C) 2011 Wiley Periodicals, Inc. J Appl Polym Sci 122: 891-897, 2011
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