Divinylarene dioxide resin compositions

摘要

A curable divinylarene dioxide resin composition including (a) at least one divinylarene dioxide, and (b) at least one diphenol curing agent; a process for making the curable divinylarene dioxide resin composition; and a cured divinylarene dioxide resin composition made therefrom. The cured product made from the above curable divinylarene dioxide resin composition offers improved properties such as lower viscosity and a high heat resistance compared to known cured products prepared from known epoxy resins.

主权项

1. A curable divinylarene dioxide resin composition comprising:
(a) at least one divinylarene dioxide, (b) at least one diphenol curing agent, and (c) a curing catalyst selected from the group consisting of imidazoles, quaternary ammonium halides and carboxylates, quaternary phosphonium halides and carboxylates, and mixtures thereof; wherein a concentration of the diphenol curing agent, as an equivalent ratio r of epoxide groups to a total of phenolic groups of the diphenol curing agent, ranges from 1.2 to 2; and wherein the curable divinylarene dioxide resin composition, upon being cured, forms a cured epoxy resin which: (1) exhibits a heat resistance, as determined by glass transition temperature greater than a corresponding composition lacking a curing catalyst, component (c); and (2) is insoluble in an organic solvent.