Abstract: The invention relates to a method for preparing a polyurethane polymer, comprising: (A) contacting of at least one isophorone diisocyanate (IPDI) monomer with at least one first polyol in the presence of at least one first catalyst; (B) contacting of the urethane prepolymer with at least one second polyol in the presence of at least one second catalyst to form the polyurethane polymer, wherein the first catalyst is a guanidine-type catalyst and the second catalyst is an (organo) metallic catalyst or wherein the first catalyst is an (organo) metallic catalyst and the second catalyst is a guanidine-type catalyst. The invention relates also to a two-component composition and to the use thereof as an adhesive for bonding two substrates together. Lastly, the invention relates to an article comprising at least one layer obtained by crosslinking of said composition and to a method for preparing said article.

Abstract: The present invention relates to a crosslinkable two-component composition comprising: a component A comprising: an iodonium salt having one of the formulae (I-A), (I-B) or (I-C); at least one (meth)acrylate monomer M1 having one of the formulae (II), (III) or (IV); an organic or mineral acid having a pKa or pKa1 ranging from 0.3 to 5 measured in water at 25° C.; a copper salt or a copper complex; a component B comprising at least one dihydropyridine compound having one of the formulae (VI) to (X); said composition not comprising any peroxide.

Abstract: The present invention relates to a crosslinkable two-component composition comprising: a component A comprising: an iodonium salt having one of the formulae (I-A), (I-B) or (I-C); at least one (meth)acrylate monomer M1; an organic or mineral acid having a pka or pka1 ranging from 0.3 to 5 measured in water at 25° C.; at least one photoinitiator P1; a component B comprising at least one dihydropyridine compound having one of the formulae (III) to (VI); said composition not comprising any peroxide.

Abstract: The present invention relates to a two-component crosslinkable composition comprising: a component A comprising: a reducing agent; a metal salt chosen from the group consisting of metal salts of (meth)acrylic acid, metal salts of itaconic acid, and mixtures thereof; at least one (meth)acrylate monomer M1; a component B comprising an oxidizing agent; said composition being characterized in that it comprises at least one radical photoinitiator in component A and/or B; and also uses thereof.

Abstract: The present invention relates to a crosslinkable two-component composition comprising: a component A comprising: a compound having the formula (I) below: at least one (meth)acrylate monomer M1 having one of the formulae (II), (Ill) or (IV); a component B comprising at least one compound having the formula (V) below: Rc—SO2?, Q+??(V) and also to the uses thereof.

Abstract: The present invention relates to a compound of formula (I): and also to the process for preparing same, and to the uses thereof. The present invention also relates to the polyurethanes obtained from the compounds of formula (I), and also to the uses of said polyurethanes.

Abstract: A hot-melt pressure-sensitive adhesive composition comprises: a) at least one polyurethane comprising at least two end functional groups T of following formula (I): —X—(C?O)—CH(RV)?CH2??(I) b) at least one tackifying resin chosen from the following resins: (b1) terpene/phenolic resins; (b2) the resins resulting from the polymerization of ?-methylstyrene, optionally followed by a reaction with at least one phenol; (b3) the polymeric resins (optionally at least partially hydrogenated) resulting from mainly C9 aromatic fractions; and c) at least one polymerization inhibitor. The polyurethane(s) (a): tackifying resin(s) (b) ratio by weight ranges from 4:6 to 6:4. The said polyurethane (a) has a mean functionality of functional groups of formula (I) strictly of greater than 1.9.

Abstract: The invention relates to a monoethylenically unsaturated monomer of formula (I), and to the use thereof for producing a polymer. The invention also relates to the polymer obtained by polymerising said monomer, and to the use thereof in a composition for producing coatings.

Abstract: The invention relates to a composition comprising: —a composition A containing at least one polyurethane comprising at least two terminal functions T of formula (I): and —a composition B comprising at least one amine. Also disclosed is the use of said composition.

Abstract: The present invention relates to a two-component composition comprising a first part (A) comprising a borane BH3-amine complex and an alkene compound, and a second part (B) comprising at least one radically polymerizable compound comprising at least one ethylenic bond, and to an adhesive composition obtained therefrom, and also to uses thereof. The invention also relates to articles made with this composition.

Abstract: The present invention relates to a process for polymerizing at least one radically polymerizable compound comprising at least one ethylenic bond, in the presence of a borane BH3-amine complex and an alkene.

Abstract: The present invention relates to compounds having one of the following formulae (I) and (II): and also to the uses thereof.

Abstract: The present invention relates to a moisture-crosslinkable sealant composition comprising: at least one polyurethane P comprising at least two NCO end functions; at least one polyimine A obtained via a process comprising a step of reaction between at least: a) a (poly)urethane-aldehyde comprising at least 2 aldehyde functions; b) a primary diamine; c) optionally in the presence of a primary monoamine or a monoaldehyde if the —CHO/NH2 molar ratio is other than 1.

Abstract: The present invention relates to a two-component composition comprising: —a composition A comprising: —at least one reducing agent; —at least one (meth)acrylate monomer; —a composition B comprising: —at least one oxidising agent; and—optionally at least one (meth)acrylate monomer; the composition being characterised in that: —it comprises at least one radical photoinitiator in composition A and/or B; —it comprises at least one polymerisation inhibitor in an amount less than or equal to 0.3% by weight relative to the total weight of the composition.

Abstract: The invention relates to a process for polymerizing at least one radically polymerizable compound having at least one ethylenic bond in the presence of a borane complex BH3 with an amine as a radical initiator, said process comprising the steps of: providing a borane complex BH3 with an amine; and bringing the complex into contact with a composition comprising at least one radically polymerizable compound having at least one ethylenic bond; wherein the polymerization is performed in the absence of an oxidizing agent and/or an additional radical initiator other than the borane complex BH3 with an amine. The invention also relates to a composition comprising at least one radically polymerizable compound having at least one ethylenic bond and a borane complex BH3 with an amine, wherein the composition is free of an oxidizing agent and/or an additional radical initiator other than the borane complex BH3 with an amine, as well as the use of said composition as an adhesive for bonding two substrates together.

Abstract: The invention relates to a two-component composition comprising: a part A comprising a complex of borane BH3 with an amine; a part B comprising a decomplexing agent for decomplexing the borane and the amine; and at least one radically polymerizable compound comprising at least one ethylenic bond, this compound being present in at least one of parts A and B; and also to the use of this composition as an adhesive for binding two substrates together.

Abstract: 1) Hydrocarbon-based copolymer comprising two end groups preceded by an ester function and chosen from a 2-oxo-1,3-dioxolan-4-yl (or cyclocarbonate), a dithiocyclocarbonate, an exo-vinylene cyclocarbonate and a 2-oxo-1,3-dioxolen-4-yl, the main chain of which comprises units (I) and (II) in which R0 is notably a methyl radical; and the number-average molecular mass Mn of which is between 400 and 100 000 g/mol. 2) Process for preparing said copolymer, comprising: (i) a step of heating a statistical bipolymer A chosen from a poly(butadiene-isoprene), a poly(butadiene-myrcene) and a poly(butadiene-farnesene); and then (ii) a step of heating the product formed, in the presence of a chain-transfer agent. 3) Use as adhesive, as a mixture with an amine compound comprising at least two amine groups.

Abstract: 1) Hydrocarbon-based copolymer comprising two end groups preceded by an ether function and chosen from a 2-oxo-1,3-dioxolan-4-yl (or cyclocarbonate), a dithiocyclocarbonate, and a 2-oxo-1,3-dioxolen-4-yl, the main chain of which comprises units (I) and (II) in which R0 is notably a methyl radical; and the number-average molecular mass Mn of which is between 400 and 100 000 g/mol. 2) Process for preparing said copolymer, comprising: (i) a step of heating a statistical bipolymer A chosen from a poly(butadiene-isoprene), a poly(butadiene-myrcene) and a poly(butadiene-farnesene); and then (ii) a step of heating the product formed, in the presence of a chain-transfer agent. 3) Use as adhesive, as a mixture with an amine compound comprising at least two amine groups.

Abstract: The present invention relates to a polyurethane (PP2) comprising at least two, preferably two or three, end functional groups T of following formula (I): The present invention also relates to the uses of the polyurethanes (PP2) for the preparation of multicomponent systems.

Abstract: The invention relates to a composition containing: a composition A which contains at least one polyurethane having at least two terminal functions T of the following formula (I): and a composition B containing at least one amine, and to the use thereof.