Ausimont S.p.a.

Solvay Solexis S.p.a.

Tania Trombetta

Stefano Turri

Claudio Tonelli

Daria Lenti

Giovanni Simeone

Marinella Levi

Gabriella Carignano

Massimo Scicchitano

Fiorenza D'Aprile

Ronald E Zielinski

Paolo Iengo

Francesco Giavarini

Enrico Ferreri

Polyurethanes-urea based on perfluoropolyethers comprising ionizable groups and pendant groups having the following structure:&#x2014;R&#x2014;Si(OR)(OH)&#x2003;&#x2003;(I)wherein:

Polyurethanes

Fluorinated oligourethanes, having number average molecular weight lower than or equal to 9,000, having a branched structure, formed of the following monomers and macromers:

Fluorinated oligourethanes

Use for the paper sizing of aqueous polyurethane dispersions from (per)fluoropolyethers obtainable by reaction among the following compounds:

Methods for paper sizing with fluorinated polymers

Formulations formed by aqueous dispersions of cationic ionomer fluorinated polyurethanes based on (per)fluoropolyethers, having end groups constituted by &#x2014;NCO groups reacted with hydrogenactive compounds to give covalent bonds stable to water but thermolabile, usable for the surface hydro- and oil-repellent treatment of textiles.

Hydro-oil-repellent compositions

Compositions comprising anionic ionomeric polyurethanes crosslinkable in a wide temperature range, said composition comprising the following components:

Compositions of crosslinkable polyurethanes

Polyurethanes having a low friction coefficient

Hydro- oil-repellent compositions

Hydrogenated fluoromodified polymers obtainable by reaction among hydrogenated polymers and the modifier having a polyether structure:

Modified hydrogenated polymers

Fluorinated polyurethanes and polyurethane-ureas, of heat-processable, elastomeric type, constituted by rubber-like blocks and hard blocks, comprising segments derived from:

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Milan, Italy

Tania Trombetta