A b r organics limited [abrol] founded in 1991 is the manufacturer of different types of polyimide resins. Abron br 729 is a bismaleimide based curator for epoxy resins to improve the thermal stability of the resultant cured resin. Salient features of abron br 729 are:
Abron br729 can be either dissolved in an solvent or added directly to the epoxy resin.
No other catalyst is required to cure the epoxy resin.
An addition of 20 wt % of abron br729 in epoxy resin [ grade gy252 ] would give a increased tg of 2300c and an addition of 30 wt % would give a tg of 2400c.