Abstract: A hardener composition comprising: a) an isolated adduct comprising a reaction product of i) a polymer with a functionality of at least three, wherein said polymer contains at least one epoxy group; and ii) an amine wherein the isolated adduct is present as an aqueous solution; and b) a capping agent. This hardener can be used with a liquid epoxy resin to form a curable composition.

Abstract: A hardener composition including: (a) a polymeric adduct; (b) a monomeric unmodified amine; and (c) an extender; a curable composition including (A) at least one epoxy compound; and (B) the above hardener composition; and a thermoset prepared from the above curable composition.

Abstract: A hardener composition comprising: a) an amine component; and b) a glycol ether component comprising i) from 10 weight percent to 70 weight percent alkylene glycol phenyl ether; ii) from 25 weight percent to 80 weight percent dialkylene glycol phenyl ether; iii) from 5 weight percent to 20 weight percent trialkylene glycol phenyl ether, is disclosed. The hardener composition can be used in epoxy thermoset formulations.

Abstract: A flooring coating composition includes a coating agent that is a reaction product of an epoxy based formulation, the epoxy based formulation being at least one of an epoxy prepolymer formulation, an epoxy-silane hybrid formulation, and an epoxy thiol acrylate formulation. The coating agent in a cured state exhibits a first tan delta peak between a first temperature range of 75 C to 0 C and a second tan delta peak between a second temperature range of 20 C and 75 C, according to a tan delta plot over a range of temperatures. A value of the first tan delta peak and a value of the second tan delta peak each represents a ratio of a loss modulus of the coating agent and a storage modulus of the coating agent at a specific temperature within the range of temperatures, as measured according to dynamic mechanical thermal analysis. The values of the first and the second tan delta peaks are from 0.10 to 0.80.

Abstract: A salicylic acid salt-containing liquid composition useful as an accelerator for a hardener includes a reaction product of (a) salicylic acid; and (b) at least one amine compound compatible with said salicylic acid such that the composition is in liquid form, the composition has a concentration of salicylic acid at from about 35 weight percent to about 55 weight percent, and the composition has a viscosity in the range of from about 500 mPas to about 20,000 mPa-s at 25° C.; a curable epoxy resin composition containing the salicylic acid salt-containing liquid composition accelerator; and a cured product made from the curable composition.

Abstract: A process comprising: a) producing a first adduct comprising a reaction product of a difunctional epoxy and Isophrondiamine (IPDA); b) producing a second adduct comprising a reaction product of a difunctional epoxy and m-Xylylenediamine (MXDA) and c) contacting i) the first adduct; ii) the second adduct; iii) an accelerator; and iv) a modifier to form a hardener composition, is disclosed. The hardener composition can be used with an epoxy compound to form a curable composition.

Abstract: A hardener composition comprising: a) an isolated adduct comprising a reaction product of i) a polymer with a functionality of at least three, wherein said polymer contains at least one epoxy group; and ii) an amine wherein the isolated adduct is present as an aqueous solution; and b) a capping agent. This hardener can be used with a liquid epoxy resin to form a curable composition.

Abstract: A hardener composition comprising: a) an amine component; and b) a glycol ether component comprising i) from 10 weight percent to 70 weight percent alkylene glycol phenyl ether; ii) from 25 weight percent to 80 weight percent dialkylene glycol phenyl ether; iii) from 5 weight percent to 20 weight percent trialkylene glycol phenyl ether, is disclosed. The hardener composition can be used in epoxy thermoset formulations.

Abstract: A hardener composition comprising: a) a non-isolated adduct of i) a monofunctional epoxy; and ii) a first amine; b) a second amine; c) a modifier; and d) an accelerator, is disclosed. The hardener composition can be combined with an epoxy resin to make a composition useful to prepare primers.

Abstract: A salicylic acid salt-containing liquid composition useful as an accelerator for a hardener includes a reaction product of (a) salicylic acid; and (b) at least one amine compound compatible with said salicylic acid such that the composition is in liquid form, the composition has a concentration of salicylic acid at from about 35 weight percent to about 55 weight percent, and the composition has a viscosity in the range of from about 500 mPas to about 20,000 mPa-s at 25° C.; a curable epoxy resin composition containing the salicylic acid salt-containing liquid composition accelerator; and a cured product made from the curable composition.

Abstract: Embodiments of the present disclosure include an epoxy-adduct hardening agent formed as a reaction product of a first adduct formed as a reaction product of a first epoxy resin and a polyether monoamine and second adduct formed as a reaction product of an ethyleneamine and a glycidyl ether. Embodiments include a curable composition having an epoxy resin and the epoxy-adduct hardening agent.