초록 |
To preapare flame-retardant epoxy resin, phosphorus compound containing 3-[hydroxypheny(phosphinyl) propanoic acid] (3-HPP) was reacted with uncured epoxy resin (diglycidyl ether of bisphenol A, YD-128), and then cured using a curing agent 4,4-diaminodiphenylmethane (DDM). This study focused on the effect of phosphorus content on the thermal decomposition, flame retardancy, and impact strength of cured epoxy resins (samples: P0, P1, P2, and P3; the number represents the wt% of phosphorus). This study is supported by a Grant from the Fundamental R&D program for Mari-time hybrid composite industrialization project (10053826, Development of core material technology based marine composites) funded by the Ministry of Trade, Industry and Energy (MOTIE, Korea). |