Composition In Powder Form Based On A Fluorinated Polymer Or A Hydrophilic Polymer

Abstract: The present invention relates to a composition in powder form comprising a polymer P1 comprising monomer units derived from a vinylidene fluoride monomer M0 or monomer units derived from a monomer M2 of formula R1R2C=C(R3)C(O)R, wherein the substituents R1, R2 and R3 are, independently of one another, chosen from the group consisting of H and C1-C5 alkyl; R is chosen from the group consisting of –NHC(CH3)2CH2C(O)CH3 or –OR' with R' is chosen from the group consisting of H and C1-C18 alkyl optionally substituted by one or more –OH groups or a five- or six-membered heterocycle comprising at least one nitrogen atom in its cyclic chain; or a mixture of the M0 or M2 monomer units; characterised in that the polymer P1 has a Dv99 particle size distribution of less than 89 µm and a Dv10 size distribution of greater than 2.0 µm.

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