an environmentally friendly class of fluoropolyether α,ω-dialkoxyfluoropolyethers一个环保类的fluoropolyetherα,ω-dialkoxyfluoropolyethers.pdfVIP

an environmentally friendly class of fluoropolyether α,ω-dialkoxyfluoropolyethers一个环保类的fluoropolyetherα,ω-dialkoxyfluoropolyethers.pdf

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an environmentally friendly class of fluoropolyether α,ω-dialkoxyfluoropolyethers一个环保类的fluoropolyetherα,ω-dialkoxyfluoropolyethers

Appl. Sci. 2012, 2, 351-367; doi:10.3390/app2020351 OPEN ACCESS applied sciences ISSN 2076-3417 /journal/applsci Review An Environmentally Friendly Class of Fluoropolyether: α,ω-Dialkoxyfluoropolyethers Menghua Wu 1, Walter Navarrini 1,2,*, Gianfranco Spataro 3, Francesco Venturini 1 and 1 Maurizio Sansotera 1 Dipartimento di Chimica, Politecnico di Milano,7, via Mancinelli, I-20131 Milano, Italy; E-Mails: menghua.wu@mail.polimi.it (M.W.); francesco.venturini@chem.polimi.it (F.V.); maurizio.sansotera@polimi.it (M.S.) 2 Consorzio INSTM, Via G. Giusti 9, I-50121, Firenze, Italy 3 C.R.S. Solvay Secialty Polymer, viale Lombardia 20, I-20021 Bollate (MI), Italy; E-Mail: gianfranco.spataro@ * Author to whom correspondence should be addressed; E-Mail: walter.navarrini@polimi.it; Tel.: +39-02-2399-3029; Fax: +39-02-2399-3180. Received: 21 February 2012; in revised form: 27 March 2012 / Accepted: 27 March 2012 / Published: 11 April 2012 Abstract: The α,ω-dialkoxyfluoropolyethers (DA-FPEs) characterized by the structure R O(CF CF O) (CF O) R have been developed as a new class of environmentally H 2 2 n 2 m H friendly hydrofluoroethers (HFEs) suitable as solvents, long-term refrigerants, cleaning fluids, and heat transfer fluids. Synthetic methodologies for DA-FPEs described here consist of radical-initiated oxypolymerization of olefin, peroxy-elimination reaction in peroxidic perfluoropolyethers (P-PFPEs) a

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