发明名称 |
FIBER-REINFORCED RESIN SHEET, INTEGRATED MOLDED PRODUCT AND PROCESS FOR PRODUCING SAME |
摘要 |
A fiber-reinforced resin sheet and an integrally molded article are provided. The fiber-reinforced resin sheet comprises a nonwoven fabric made of reinforcing fibers having a thermoplastic resin (A) impregnated on one side of the nonwoven fabric. The fiber-reinforced resin sheet satisfies any one of the following conditions (I) and (II):
(I) the nonwoven fabric has an area wherein the reinforcing fibers constituting the nonwoven fabric are exposed on the other side in the thickness direction of the nonwoven fabric, and(II) the nonwoven fabric has a thermoplastic resin (B) impregnated on the other side in thickness direction of the nonwoven fabric, and the nonwoven fabric has a reinforcing fiber volume ratio Vfm of up to 20% by volume, and wherein the thermoplastic resin (A) and the thermoplastic resin (B) form an interface layer in the sheet, and the interface layer has a concave-convex shape with a maximum height Ry of at least 50 μm and an average roughness Rz of at least 30 μm. |
申请公布号 |
US2015376353(A1) |
申请公布日期 |
2015.12.31 |
申请号 |
US201314442764 |
申请日期 |
2013.12.06 |
申请人 |
TORAY INDUSTRIES, INC. |
发明人 |
TAKEBE Yoshiki;KIHARA Hiroki;HIRANO Noriyuki |
分类号 |
C08J5/04;C08K7/06;B29C70/02;B29C45/00;B29C43/30 |
主分类号 |
C08J5/04 |
代理机构 |
|
代理人 |
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主权项 |
1. A fiber-reinforced resin sheet comprising a nonwoven fabric made of reinforcing fibers having a thermoplastic resin (A) impregnated on one side in thickness direction of the nonwoven fabric, wherein the fiber-reinforced resin sheet satisfies any one of the following conditions (I) and (II):
(I) the nonwoven fabric has an area wherein the reinforcing fibers constituting the nonwoven fabric are exposed on the other side in the thickness direction of the nonwoven fabric, and (II) the nonwoven fabric has a thermoplastic resin (B) impregnated on the other side in thickness direction of the nonwoven fabric, and the nonwoven fabric has a reinforcing fiber volume ratio Vfm of up to 20% by volume, and wherein the thermoplastic resin (A) and the thermoplastic resin (B) form an interface layer in the sheet, and the interface layer has a concave-convex shape with a maximum height Ry of at least 50 μm and an average roughness Rz of at least 30 μm. |
地址 |
Tokyo JP |