PREPREG AND FIBER-REINFORCED COMPOSITE MATERIAL
Provided is a prepreg including reinforced fibers and a resin composition, in which when an average thickness of the prepreg is designated as D, a loss tangent tanδ at a slit processing temperature when the resin composition present in a portion located at a depth of D/10 from a surface of the prepr...
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| creator | AIZAWA, Bon FUJIWARA, Takayuki KOCHI, Shinji AOKI, Junichi KIDO, Daisuke TAKEDA, Naoya |
| description | Provided is a prepreg including reinforced fibers and a resin composition, in which when an average thickness of the prepreg is designated as D, a loss tangent tanδ at a slit processing temperature when the resin composition present in a portion located at a depth of D/10 from a surface of the prepreg is evaluated using an 8-mm plate at 50 rad/s or more is designated as y, and a water absorption amount when the prepreg collected in a size of 100 × 100 mm is immersed in 5-mm water for 5 minutes is designated as x (hereinafter, referred to as water pickup evaluation), a relationship of Formula 1 below is satisfied. Provided is a prepreg that provides a slit tape having excellent processability and quality, which is suitably used for producing a fiber-reinforced composite material using an automatic lamination device. |
| format | Patent |
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Provided is a prepreg that provides a slit tape having excellent processability and quality, which is suitably used for producing a fiber-reinforced composite material using an automatic lamination device.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP |
| title | PREPREG AND FIBER-REINFORCED COMPOSITE MATERIAL |
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