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TORAY Industries
| TORAY Industries Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20090162653 | CARBON FIBER BUNDLE, PREPREG, AND CARBON FIBER REINFORCED COMPOSITE - A carbon fiber bundle is coated with a sizing agent containing a flexible epoxy resin (A) and an epoxy resin (B) incompatible with the flexible epoxy resin (A) as essential components, wherein the epoxy resin (B) is an aliphatic polyglycidyl ether compound having three or more epoxy groups and an epoxy equivalent of 200 or less. The carbon fiber bundle of this invention provides a carbon fiber reinforced composite excellent in the tensile strength and the compressive strength in the fiber direction and excellent in the tensile strength in the perpendicular direction to the fiber direction and the interlaminar shear strength. | 06-25-2009 |