JP2009073070A5

JP2009073070A5 -

Info

Publication number: JP2009073070A5
Application number: JP2007244863A
Authority: JP
Filing date: 2007-09-21
Publication date: 2010-10-28
Anticipated expiration: 2027-09-21

Claims

補強部材を有する繊維強化プラスチック構造体の製造方法において、次の（Ａ）〜（Ｆ）の工程を含むことを特徴とする繊維強化プラスチック構造体の製造方法。
（Ａ）補強部材を、凸型である成形型の上面に位置し凹型である切り欠き部分に配置する補強部材配置工程。
（Ｂ）表面に熱可塑性樹脂および／または熱硬化性樹脂を有する強化繊維布帛からなる積層体を、前記成形型の上面に、前記補強部材の少なくとも一部分を覆い被せて配置する強化繊維布帛積層体の配置工程。
（Ｃ）前記強化繊維布帛積層体を密閉媒体で覆い、密閉媒体の内部を真空吸引して減圧し、前記強化繊維布帛積層体に大気圧をかけて賦形する賦形工程。
（Ｄ）（Ｃ）賦形工程にて強化繊維布帛積層体に大気圧をかけた状態において加熱することにより、強化繊維布帛表面の熱可塑性樹脂および／または熱硬化性樹脂を介して、強化繊維布帛間を付着させてプリフォームを製造するホットコンパクション工程。
（Ｅ）プリフォームを密閉媒体で覆い、密閉媒体の内部を真空吸引して減圧し、密閉した状態において、大気圧を利用して、密閉媒体内の内部に、マトリックス樹脂を注入して、前記プリフォームにマトリックス樹脂を含浸させる樹脂注入含浸工程。
（Ｆ）前記プリフォームに含浸したマトリックス樹脂を加熱して硬化すると同時に、マトリックス樹脂を介して、前記補強部材とプリフォームから構成される繊維強化プラスチック構造体を接着一体化する樹脂硬化工程。 In the manufacturing method of the fiber reinforced plastic structure which has a reinforcement member, the manufacturing method of the fiber reinforced plastic structure characterized by including the process of following (A)-(F).
(A) The reinforcing member arrangement | positioning process which arrange | positions a reinforcing member in the notch part which is located in the upper surface of the shaping | molding die which is a convex type, and is a concave type .
(B) A reinforced fiber fabric laminate in which a laminate made of a reinforced fiber fabric having a thermoplastic resin and / or a thermosetting resin on its surface is disposed on the upper surface of the mold so as to cover at least a part of the reinforcing member. Placement process.
(C) A shaping step of covering the reinforcing fiber fabric laminate with a sealing medium, vacuuming the inside of the sealing medium to reduce the pressure, and applying the atmospheric pressure to the reinforcing fiber fabric laminate.
(D) (C) Reinforcing fiber through thermoplastic resin and / or thermosetting resin on the surface of reinforcing fiber cloth by heating in a state where atmospheric pressure is applied to the reinforcing fiber cloth laminate in the shaping step A hot compaction process in which a preform is produced by adhering between fabrics.
(E) The preform is covered with a sealing medium, the inside of the sealing medium is vacuumed to reduce the pressure, and in a sealed state, the atmospheric pressure is used to inject the matrix resin into the inside of the sealing medium. A resin injection impregnation step in which a preform is impregnated with a matrix resin.
(F) A resin curing step in which the matrix resin impregnated in the preform is heated and cured, and at the same time, the fiber reinforced plastic structure composed of the reinforcing member and the preform is bonded and integrated through the matrix resin.

（Ｂ）配置工程において、前記補強部材と前記強化繊維布帛との間に接着剤を配置する、請求項１に記載の繊維強化プラスチック構造体の製造方法。 (B) The manufacturing method of the fiber reinforced plastic structure of Claim 1 which arrange | positions an adhesive agent between the said reinforcement member and the said reinforced fiber fabric in an arrangement | positioning process.

（Ｄ）ホットコンパクション工程において、補強部材とプリフォームを、強化繊維布帛の表面の熱可塑性樹脂または／および熱硬化性樹脂、または前記接着剤を介して接着する、請求項１または２に記載の繊維強化プラスチック構造体の製造方法。 (D) The hot compaction step, wherein the reinforcing member and the preform are bonded via a thermoplastic resin or / and a thermosetting resin on the surface of the reinforcing fiber fabric, or the adhesive. A method for producing a fiber reinforced plastic structure.

（Ｅ）樹脂注入含浸工程において、密閉媒体で密封したときに、補強部材と切り欠き部分との間が密閉される、請求項１〜３のいずれかに記載の繊維強化プラスチック構造体の製造方法。 (E) The method for producing a fiber-reinforced plastic structure according to any one of claims 1 to 3, wherein, in the resin injection impregnation step, the space between the reinforcing member and the cutout portion is sealed when sealed with a sealing medium. .

（Ｅ）樹脂注入含浸工程において、あらかじめ補強部材と切り欠き部分との間にシール材を配置しておき、密閉媒体で密閉したときに、補強部材と切り欠き部との間が密閉される、請求項１〜４のいずれかに記載の繊維強化プラスチック構造体の製造方法。 (E) In the resin injection impregnation step, when a sealing material is previously disposed between the reinforcing member and the cutout portion and sealed with a sealing medium, the space between the reinforcing member and the cutout portion is sealed. The manufacturing method of the fiber reinforced plastic structure in any one of Claims 1-4.

前記補強部材が繊維強化プラスチックである、請求項１〜５のいずれかに記載の繊維強化プラスチック構造体の製造方法。 The manufacturing method of the fiber reinforced plastic structure in any one of Claims 1-5 whose said reinforcement member is a fiber reinforced plastic.

（Ｃ）賦形工程で用いられる密閉媒体がラバーシートである、請求項１〜６のいずれかに記載の繊維強化プラスチック構造体の製造方法。 (C) The manufacturing method of the fiber reinforced plastic structure in any one of Claims 1-6 whose sealing medium used at a shaping process is a rubber sheet.