Abstract: There is provided a compound represented by general formula (Ib), wherein ring A is a carbocyclic or heterocyclic ring, a reaction product of the reaction between one or more said compounds and one or more amine containing compounds. Also provided is related production methods thereof.

Abstract: There is provided a method of crosslinking a polyhydroxyurethane (PHU) polymer having a plurality of diene moieties, preferably furan in the backbone and a crosslinked PHU polymer by reacting with a crosslinking agent having two or more dienophile moieties. Also provided is a method of removing the crosslinks of a crosslinked PHU polymer comprising a plurality of diene-dienophile adducts.

Abstract: There is provided a polymer or derivative thereof comprising a plurality of active amine groups in the backbone, wherein the polymer is a reaction product of a reaction between one or more bis-carbonates and one or more amine compounds having at least two terminal amino groups. Also provided are use of the polymer or derivative thereof and a method of preparing the polymer or derivative thereof.

Abstract: There is provided a reactive coalescing agent for a coating formulation that is substantially free from volatile organic compounds (VOCs), the coalescing agent comprising one or more amine compounds represented by general formula (I). Also provided are a coating composition, a coating layer, a method of preparing said reactive coalescing agent and a method of preparing said coating layer.

Abstract: There is provided a compound represented by general formula (lb), wherein ring A is a carbocyclic or heterocyclic ring, a reaction product of the reaction between one or more said compounds and one or more amine containing compounds. Also provided is related production methods thereof.

Abstract: There is provided a method of crosslinking a polyhydroxyurethane (PHU) polymer having a plurality of diene moieties, preferably furan in the backbone and a crosslinked PHU polymer by reacting with a crosslinking agent having two or more dienophile moieties. Also provided is a method of removing the crosslinks of a crosslinked PHU polymer comprising a plurality of diene-dienophile adducts.

Abstract: The present invention generally relates to a dispersion comprising a plurality of core-shell particles, wherein the core comprising non-fluorinated polymer and the shell comprises fluorinated polymer. It also relates to the use of the said dispersion as an additive in a coating formulation in at least 10 wt %, wherein substrates coated with said coating formulation exhibit improved solar-reflective and anti-dirt properties. In preferred embodiments, the said core comprises methyl methacrylate monomer and the said shell comprises hexafluorobutyl acrylate, hexafluorobutyl methacrylate, tridecafluorooctyl arylate or perfluorooctyl acrylate.