| 摘要 |
<p>The present invention is an epoxy resin composition for a fiber-reinforced composite material comprising a phosphorus-containing epoxy resin containing 5 phosphorus in the skeleton thereof, a dicyandiamide, and a curing accelerator containing at least one selected from 1,11-(4-methyl-1,3-phenylene)bis(3,3- dimethylurea), phenyl-dimethylurea represented by the following formula (1 , andmethylene-diphenyl-bisdimethylurea represented by the following formul (2); wherein the phosphorus content of the phosphorus-containing epoxy re n is at least 10 1.0 mass% and at most 5.0 mass% in the epoxy resin composition. Formula 1The present invention is an epoxy resin composition for a fiber-reinforced composite material comprising a phosphorus-containing epoxy resin containingphosphorus in the skeleton thereof, a dicyandiamide, and a curing accelerator containing at least one selected from 1,1'-(4-methyl-1,3-phenylene)bis(3,3- dimethylurea), phenyl-dimethylurea represented by the following formula (1), andmethylene-diphenyl-bisdimethylurea represented by the following formula (2); wherein the phosphorus content of the phosphorus-containing epoxy resin is at least10 1.0 mass% and at most 5.0 mass% in the epoxy resin composition.Formula 10</p> |
