Abstract: A copolymer including fluorinated units of formula (I): —CX1X2—CX3X4—??(I) in which each of the X1, X2, X3 and X4 is independently chosen from H, F and alkyl groups including from 1 to 3 carbon atoms which are optionally partially or totally fluorinated; and fluorinated units of formula (II): —CX5X6—CX7Z—??(II) in which each of the X5, X6 and X7 is independently chosen from H, F and alkyl groups including from 1 to 3 carbon atoms which are optionally partially or totally fluorinated, and in which Z is a photoactive group of formula —Y—Ar—R, Y representing an oxygen atom or an NH group or a sulfur atom, Ar representing an aryl group, and R being a monodentate or bidentate group including from 1 to 30 carbon atoms. Also, a process for preparing this copolymer, a composition including this copolymer, and a film obtained from this copolymer.

Abstract: A copolymer including units derived from fluoro monomers of formula (I): CX1X2?CX3X4??(I) in which each of the X1, X2, X3 and X4 is independently chosen from H, F and alkyl groups including from 1 to 3 carbon atoms which are optionally partially or totally fluorinated, the H and/or F atoms of the fluoro monomers being partially replaced with photoactive groups of formula —Y—Ar—R in the copolymer; Y representing an oxygen atom or an NH group or a sulfur atom, Ar representing an aryl group, preferably a phenyl group, and R being a monodentate or bidentate group including from 1 to 30 carbon atoms. The fluoro monomers of formula (I) of the copolymer include vinylidene fluoride and trifluoroethylene. Also, a process for preparing this copolymer, a composition including this copolymer, and a film obtained from the copolymer.

Abstract: A copolymer including fluorinated units of formula (I): —CX1X2—CX3X4—??(I) in which each of the X1, X2, X3 and X4 is independently chosen from H, F and alkyl groups including from 1 to 3 carbon atoms which are optionally partially or totally fluorinated; and units of formula (III): —CXAXB—CXCZ—??(III) in which each of the XA, XB and XC is independently chosen from H, F and alkyl groups including from 1 to 3 carbon atoms which are optionally partially or totally fluorinated, and Z being a polarizable group of formula —Y—Ar—R; Y representing an O atom or an S atom or an NH group, Ar representing an aryl group, and R being a monodentate or bidentate group including from 1 to 30 carbon atoms; and the copolymer having a heat of fusion of greater than or equal to 5 J/g. Also a process, a composition, an ink and a film.

Abstract: Disclosed are ion-sensitive polymers and methods for their use for monitoring biological phenomena associated with ion fluxes, as well as organic electrochemical transistors including such polymers.

Abstract: Some embodiments relate to an electrophoretic ink including particles that may have a negative charge, dispersed in a non-polar organic solvent. The ink includes a trialkylamine charge-control agent, selected from the following charge-control agents: tributylamine, triisobutylamine, tripentylamine, trihexylamine, tri(2-ethylhexyl)amine, trioctylamine, triisooctylamine, tridodecylamine, triisododecylamine. The particles have a hydrophobic surface and an isoelectric point (IEP) or a point of zero charge (PZC) that is lower than the pKa of the charge-control agent.

Abstract: A process for preparing a nanostructured assembly by annealing a composition comprising a block copolymer on a surface. The block copolymer includes a first block resulting from the polymerization of at least one cyclic monomer having a structure as described herein. The block copolymer also includes a second block that includes a vinyl aromatic monomer.

Abstract: The invention relates to a copolymer comprising units derived from monomers of vinylidene fluoride and/or trifluoroethylene, as well as fluorinated monomers X comprising a double bond and a leaving group selected from among chlorine, bromine and iodine atoms, the leaving groups being partially replaced by azide groups in the copolymer.

Abstract: The invention relates to stable compositions of carbon nanotubes and of electrolytic polymers, these electrolytic polymers being characterized by the presence of phosphonyl imide or sulfonyl imide functions or alternatively phosphoric acid functions. The invention also relates to the manufacture of transparent electrodes comprising these compositions of carbon nanotubes and of electrolytic polymers.

Abstract: The invention relates to a process for synthesizing poly(3,4-ethylenedioxythiophene)-electrolytic (co)polymer composite in a single step.

Abstract: The present invention relates to the use of a compound of formula (I): wherein: R represents a linear or branched alkyl group, comprising from 3 to 27 carbon atoms, said alkyl group being substituted with at least two hydroxyl groups, and which may optionally contain one or more unsaturations; and R? is selected from sugars or sugar-alcohols; for preparing polyurethanes and polyesters.

Abstract: The present invention relates to the use of a compound of formula (I): wherein: —R represents —OH or —NH2; —A1 represents a divalent alkylene radical, straight or branched, having from 2 to 20 carbon atoms; —A2 represents a divalent alkylene radical, straight or branched, having from 1 to 20 carbon atoms; —X1 and X2 represent, independently of each other, —NH— or —O—; —A3 represents a divalent alkylene radical, straight or branched, having from 1 to 10 carbon atoms; —Z represents a hydrogen or a group of formula (A?): wherein A1, A3 and R are as defined above in formula (I), for the preparation of a polymer chosen among polyurethane, polyester and polyamide.

Abstract: The invention relates to novel block copolymers that enable a good dispersion of nanofillers in water and also to a dispersion of nanofillers obtained owing to these block copolymers. This dispersion may be used as a transparent electrode in organic solar cells or other photoemitter or photoreceptor devices.

Abstract: The present invention relates to a method for preparing polyols of formula (I?) R?1 being H or an alkyl group, R? being especially an alkyl group, A1, being an alkylene radical and R3, are being especially a group -A2-O—Y?, A2 being an alkylene radical and Y? being especially H, said method especially comprising a step of epoxidation of a compound of formula R?1 being H or an alkyl group, At being defined as above in formula (I?) and R4 being especially a group -A2-O—Y1?, A2 being defined as above in formula (I?) and Y?1 being especially H, in order to obtain a compound of formula A1 being defined as above, R??1 being H or an alkyl group and R5 being especially a group of formula -A2-O—Y2?, A2 being as defined above in formula (I?) and Y?2 being especially H.

Abstract: The invention relates to a process that enables the creation of nanometric structures by self-assembly of block copolymers, at least one of the blocks of which results from the polymerization of monomers comprising at least one cyclic entity corresponding to the formula I. where X?Si(R1,R2); Ge(R1,R2) Z?Si(R3,R4); Ge(R3,R4); O; S; C(R3,R4) Y?O; S; C(R5,R6) T=O; S; C(R7,R8) R1, R2, R3, R4, R5, R6, R7, R8 are selected from hydrogen, linear, branched or cyclic alkyl groups, with or without heteroatoms, and aromatic groups with or without heteroatoms.

Abstract: The invention relates to a process that enables the creation of nanometric structures by self-assembly of block copolymers, at least one of the blocks of which is crystallizable or has at least one liquid crystal phase.

Abstract: The invention relates to stable compositions of carbon nanotubes and of electrolytic polymers, these electrolytic polymers being characterized by the presence of phosphonyl imide or sulfonyl imide functions or alternatively phosphoric acid functions. The invention also relates to the manufacture of transparent electrodes comprising these compositions of carbon nanotubes and of electrolytic polymers.

Abstract: The invention relates to a stable composition of poly(3,4-ethylenedioxythiophene) anionic stabilizers with a limited degree of acidity.

Abstract: The invention relates to a process for synthesizing poly(3,4-ethylenedioxythiophene)-electrolytic (co)polymer composite in a single step.

Abstract: A composition including a graft copolymer, having: a linear trunk including at least one non-aromatic vinyl polymer or an unsaturated polyolefin; and at least two grafts attached to said trunk via a chemical bond, each graft having a conjugated polymer, characterized in that said composition further includes: fullerenes and a conjugated polymer; or carbon and/or graphene nanotubes. Also, a photovoltaic module incorporating such a composition, and to the use of said composition for the same purposes. Finally, methods for synthesizing the molecules forming all or part of the composition.

Abstract: The present invention relates to a compound with the following formula (I) where: R1 is particularly a straight or branched alkyl group, a is a single or double bond; R2 is particularly a hydrogen atom; R3 and R5 are a hydrogen atom when a is a single bond, and absent when a is a double bond; R4 is a hydrogen atom or an ORb group, where Rb is a hydrogen atom or an alkyl group including 1 to 12 atoms of carbon, and A1 is a divalent alkylene radical.