The present invention relates to a composition comprising cyanoacrylate monomers and at least one block copolymer and which can be polymerized.

The present invention relates to a composition comprising cyanoacrylate monomers and at least one block copolymer and which can be polymerized.

The present invention relates to a ferroelectric adhesive composition comprising from 2 to 50% of an adhesive matrix, from 5 to 85% of a ferroelectric component, wherein all weight percentages are based on weight of the total weight of the composition, and wherein said ferroelectric component is in a ferroelectric phase. The ferroelectric adhesive composition according to the present invention can be used as a sensor, an emitter or as a generator in an energy harvester. Furthermore, the present invention also encompasses a device comprising a ferroelectric adhesive composition according to the present invention between two conductive elements.

The present invention relates to a ferroelectric adhesive composition comprising from 2 to 50% of an adhesive matrix, from 5 to 85% of a ferroelectric component, wherein all weight percentages are based on weight of the total weight of the composition, and wherein said ferroelectric component is in a ferroelectric phase. The ferroelectric adhesive composition according to the present invention can be used as a sensor, an emitter or as a generator in an energy harvester. Furthermore, the present invention also encompasses a device comprising a ferroelectric adhesive composition according to the present invention between two conductive elements.

Allyl-cyanoacrylate-containing compositions with an anhydride aromatic component, which when cured confers improved moisture resistance, are provided.

The present application provides methods and compositions for patching a polymer or a non-polymer substrate surface by producing a bond between a polymer patch surface and the substrate surface. The application also provides kits having instructions for patching a polymer or a non-polymer substrate surface by producing a bond between a polymer patch surface and the substrate surface.

The present application provides methods and compositions for patching a polymer or a non-polymer substrate surface by producing a bond between a polymer patch surface and the substrate surface. The application also provides kits having instructions for patching a polymer or a non-polymer substrate surface by producing a bond between a polymer patch surface and the substrate surface.

The present invention concerns a two-part curable composition comprising: ⋅ a first part (component A) comprising at least 51% by weight based on the total weight of the first part, of one or more cyanoacrylate monomer(s), provided that at least one of the cyanoacrylate monomer(s) is a cyanoacrylate monomer comprising a group —X—O—R.sup.b wherein X is a linear or branched alkylene radical optionally interrupted with one or several oxygen atom(s), and R.sup.b is an alkyl group; ⋅ a second part (component B) comprising: at least one Michael acceptor M selected from the group consisting of (meth)acrylic monomers, (meth)acrylic functionalized oligomers, (meth)acrylic functionalized resins, and mixtures thereof, provided that at least one of the Michael acceptor(s) M comprises at least one group of formula -0(CHR.sup.a—CH.sub.2O).sub.n— where n ranges from 1 to 10 (Michael acceptor M1), and R.sup.a represents CH.sub.3 or H; and a nucleophilic initiator.

The present invention concerns a two-part curable composition comprising: •a first part (component A) comprising: —at least 51% by weight based on the total weight of the first part, of one or more cyanoacrylate monomer(s); —a transition metal complex; and—an antioxidant; •a second part (component B) comprising: —a per-compound; —at least one Michael acceptor M selected from the group consisting of (meth)acrylic monomers, (meth)acrylic functionalized oligomers, (meth)acrylic functionalized resins, and mixtures thereof; provided that the composition comprises (in the first part and/or in the second part) at least one compound C comprising a radical -EWG.sub.1-CH.sub.2-EWG.sub.2- wherein EWG.sub.2 and EWG.sub.1 are independently of each other an electron withdrawing group.

There are provided a composition for sealing a coated electric wire, containing a 2-cyanoacrylate compound, which gives a cured product not only excellent in heat resistance, moisture heat resistance, and thermal shock resistance but also excellent in flex resistance, wherein the 2-cyanoacrylate compound contains more than 50 mass % to not more than 99 mass % of a 2-cyanoacrylate having an ether bond in an ester residue, and not less than 1 mass % to less than 50 mass % of at least one alkyl 2-cyanoacrylate selected from a group consisting of isopropyl cyanoacrylate and n-butyl cyanoacrylate, relative to 100 mass % of the total of the 2-cyanoacrylate compound; and further a coated electric wire covered by the composition.