Patent application number | Description | Published |
20150056882 | FIBER-REINFORCED COMPOSITE MATERIAL - A fiber-reinforced composite material is provided which is capable of achieving CAI, ILSS, and interlaminar fracture toughness concurrently at high levels, in particular, capable of achieving high CAI. The composite material is composed of a laminated body including a plurality of reinforcing-fiber-containing layers and a resin layer in each interlaminar region between adjacent reinforcing-fiber-containing layers, wherein the resin layer is a layer wherein a cured product of a compound having in its molecule a benzoxazine ring of formula (1) and epoxy resin is impregnated with at least polyamide 12 powder: | 02-26-2015 |
20150132553 | FIBER-REINFORCED COMPOSITE MATERIAL - Fiber-reinforced composite material is provided which is capable of achieving high levels of CAI, ILSS, and interlaminar fracture toughness concurrently, in particular, capable of achieving high ILSS at high CAI, temperature, and humidity. The fiber-reinforced composite material is composed of a laminated body including a plurality of reinforcing-fiber-containing layers and a resin layer in each interlaminar region between adjacent reinforcing-fiber-containing layers, wherein the resin layer is a layer wherein at least polyethersulphone particles are impregnated with a cured product of epoxy resin and a compound having in its molecule a benzoxazine ring represented by formula (1): | 05-14-2015 |
20150251394 | FIBER-REINFORCED COMPOSITE MATERIAL - A fiber-reinforced composite material is provided which is capable of achieving CAI, ILSS, and interlaminar fracture toughness concurrently at high levels, in particular, capable of achieving high CAI. The composite material is composed of a laminated body including a plurality of reinforcing-fiber-containing layers and a resin layer in each interlaminar region between adjacent reinforcing-fiber-containing layers, wherein the resin layer is a layer wherein a cured product of a compound having in its molecule a benzoxazine ring of formula (1) and epoxy resin is impregnated with at least polyamide 12 powder: | 09-10-2015 |
20160032065 | PREPREG, FIBER-REINFORCED COMPOSITE MATERIAL, AND RESIN COMPOSITION CONTAINING PARTICLES | 02-04-2016 |
20160039984 | PREPREG, FIBER-REINFORCED COMPOSITE MATERIAL, AND RESIN COMPOSITION CONTAINING PARTICLES | 02-11-2016 |
20160046776 | PREPREG, FIBER-REINFORCED COMPOSITE MATERIAL, AND RESIN COMPOSITION CONTAINING PARTICLES | 02-18-2016 |
20160083541 | PRODUCTION METHOD FOR FIBER-REINFORCED COMPOSITE MATERIAL - A production method for a fiber-reinforced composite material comprises: a first step of stacking a prepreg including: a reinforcing fiber layer including reinforcing fibers and a resin composition with which the space between fibers of the reinforcing fibers is impregnated and a surface layer provided on at least one surface of the reinforcing fiber layer and containing polyamide resin particles having an average particle size of 5 to 50 μm and a melting point of 175 to 210° C. plurally and performing heating at a temperature of 120° C. or more and less than M | 03-24-2016 |
20160083582 | PREPREG, FIBER-REINFORCED COMPOSITE MATERIAL, AND RESIN COMPOSITION CONTAINING PARTICLES | 03-24-2016 |