Ausimont

Massimo Scicchitano

Stefano Turri

Claudio Tonelli

Aldo Sanguineti

Tania Trombetta

Additives for hydrogenated resins obtainable by using the following components:

Additives for hydrogenated resins

Polyurethanes having a low friction coefficient

Use of fluorine containing polymers for the preparation of high dry formulations wherein the fluorine containing polymers are based on fluoropolyethers comprising a fluorine containing part R and optionally an hydrogenated part R , the bonds joining the fluorine containing part to the hydrogenated one being an ether &mdash;C&mdash;O&mdash;C&mdash;, bond the terminals T being such as to render the structure bi or polyfunctional, making thus possible the cross-linking reaction, the hydrogenated part R not containing groups capable of linking by means of hydrogen bonds to basic acceptors.

Coatings based on fluoropolyethers

Use of fluorinated polymers based on fluoropolyethers for the preparation of crosslinkable high dry formulations comprising a fluorinated part R.sub.F and optionally an hydrogenated part R.sub.H, not containing groups capable of linking by means of hydrogen bonds to basic acceptors, an hydrogenated part Rh.sub.1 and Rh.sub.2, wherein Rh.sub.1 is equal to or different from Rh.sub.2, and Rh.sub.1 and/or Rh.sub.2 being linking bonds containing at least a functional group capable of linking by means of hydrogen bonds with basic acceptors, the bonds joining the fluorinated part to the hydrogenated part being of ether C--O simple type, the terminals T'.sub.a and T' being such as to render the structure mono-, bi- or polyfunctional, and subsequent crosslinking of the fluorinated polymer, the monofunctional products being always in admixture with a resin having even a higher functionality than the described type; the preferred fluorinated products have the formula:

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Milan, Italy

Massimo Scicchitano