Solvay (societe Anonyme)

Berengere Rixens

Bernard Boutevin

Vincent Bodart

Romain Severac

Patrick Lacroix-Desmazes

Christophe Fringant

Yves Hervaud

Polymer composition comprising: 1) a polymer (P1) comprising at least 50% by weight of monomeric units derived from an ethylenically unsaturated monomer (M1), and 2) at least one co-oligomer (O1) comprising at least: a) a component (A) comprising at least one monomeric unit identical to that derived from the monomer (M1) on which the polymer (P1) is based, and b) a component (B) comprising at least one monomeric unit (m2), derived from an ethylenically unsaturated monomer, carrying at least one group chosen from the following groups: &#x2014;CHwith a between 6 and 30; &#x2014;(CH)&#x2014;CFwith b between 1 and 11 and c greater than or equal to 5; &#x2014;(CH)&#x2014;(Si(CH)&#x2014;O)&#x2014;Si(CH)with d between 1 and 11 and e between 1 and 1000; &#x2014;COOH; &#x2014;SOH, and the phosphonate groups &#x2014;PO(OH)(OR) with Rbeing a hydrogen atom or an alkyl radical containing from 1 to 11 carbon atoms.

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Montpellier, France

Berengere Rixens