JP2015071794A5 - - Google Patents

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JP2015071794A5
JP2015071794A5 JP2015008790A JP2015008790A JP2015071794A5 JP 2015071794 A5 JP2015071794 A5 JP 2015071794A5 JP 2015008790 A JP2015008790 A JP 2015008790A JP 2015008790 A JP2015008790 A JP 2015008790A JP 2015071794 A5 JP2015071794 A5 JP 2015071794A5
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fiber
sheet
reinforced plastic
plastic molded
binder component
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JP2015008790A
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Claims (18)

強化繊維シートと、マトリックス樹脂成分を含有する不織布シートを貼合した繊維強化プラスチック成形体用シートであって、
前記不織布シートは、強化繊維のチョップドストランドと、限界酸素指数が２５以上であり繊維径が３０μｍ以下で且つ前記強化繊維のチョップドストランドの繊維径の４倍以下である熱可塑性スーパーエンプラ繊維のチョップドストランドからなるマトリックス樹脂成分とバインダー成分を含有することを特徴とする、繊維強化プラスチック成形体用シート。 It is a sheet for fiber reinforced plastic molded body in which a reinforcing fiber sheet and a nonwoven fabric sheet containing a matrix resin component are bonded,
The nonwoven fabric sheet includes chopped strands of reinforcing fibers and chopped strands of thermoplastic super engineering plastic fibers having a critical oxygen index of 25 or more, a fiber diameter of 30 μm or less , and 4 times or less of the fiber diameter of the reinforced fibers of chopped strands. A sheet for fiber-reinforced plastic molded articles, comprising a matrix resin component and a binder component. 前記不織布シートが含有するバインダー成分の量が、全繊維強化プラスチック成形体用シートの１０質量％以下である、請求項１に記載の繊維強化プラスチック成形体用シート。 Wherein the amount of binder component nonwoven sheet contains is more than 10 wt% of the total fiber-reinforced plastic molded body sheet, fiber-reinforced plastic molded body sheet according to claim 1. 前記バインダー成分が、前記不織布シートの表層部にその多くの部分が存在するように偏在している、請求項１又は２に記載の繊維強化プラスチック成形体用シート。 The sheet | seat for fiber reinforced plastic moldings of Claim 1 or 2 with which the said binder component is unevenly distributed so that many parts may exist in the surface layer part of the said nonwoven fabric sheet. 前記バインダー成分が前記スーパーエンプラ繊維よりなるマトリックス樹脂成分と相溶性を有し、且つ前記繊維強化プラスチック成形体用シートを３００℃以上４００℃以下の温度で加熱加圧成形したときに前記スーパーエンプラ繊維との間に界面が存在せず一体化する樹脂成分である、請求項１〜３のいずれか１項に記載の繊維強化プラスチック成形体用シート。 The super engineering plastic fiber when the binder component is compatible with the matrix resin component made of the super engineering plastic fiber and the sheet for fiber reinforced plastic molding is heated and pressed at a temperature of 300 ° C. to 400 ° C. The sheet for fiber-reinforced plastic molded articles according to any one of claims 1 to 3 , which is a resin component that is integrated without any interface therebetween. 前記バインダー成分が、バインダー成分を含有する溶液或いはエマルジョンとして、塗布法或いは含浸法により前記不織布シートに付与されている、請求項１〜４のいずれか１項に記載の繊維強化プラスチック成形体用シート。 The sheet | seat for fiber reinforced plastic moldings of any one of Claims 1-4 with which the said binder component is provided to the said nonwoven fabric sheet by the apply | coating method or the impregnation method as a solution or emulsion containing a binder component. . 前記スーパーエンプラ繊維の繊維径が１〜２０μｍである請求項１〜５のいずれか１項に記載の繊維強化プラスチック成形体用シート。 The fiber diameter of the said super engineering plastic fiber is 1-20 micrometers, The sheet | seat for fiber reinforced plastic moldings of any one of Claims 1-5 . 前記スーパーエンプラ繊維がポリエーテルイミド（ＰＥＩ）繊維である請求項１〜６のいずれか１項に記載の繊維強化プラスチック成形体用シート。 The sheet for fiber-reinforced plastic molded bodies according to any one of claims 1 to 6 , wherein the super engineering plastic fibers are polyetherimide (PEI) fibers. 前記バインダー成分がポリエチレンテレフタレート（ＰＥＴ）又は変性ポリエチレンテレフタレート（ＰＥＴ）を含む請求項７に記載の繊維強化プラスチック成形体用シート。 The fiber-reinforced plastic molded sheet according to claim 7, wherein the binder component comprises polyethylene terephthalate (PET) or modified polyethylene terephthalate (PET). 前記バインダー成分の一部は、前記スーパーエンプラ繊維のガラス転移温度よりも低い融点を持つ繊維状の熱可塑性樹脂である、請求項１〜８のいずれか１項に記載の繊維強化プラスチック成形体用シート。 Some of the binder component, the super is engineering plastic fiber thermoplastic fibrous having a melting point lower than the glass transition temperature of the fiber reinforced plastic molded body according to any one of claims 1-8 Sheet. マトリックス樹脂成分がポリエーテルイミド樹脂であり、バインダー成分は融点が８０℃〜１３０℃である変性ポリエステル樹脂を少なくとも含有する、請求項９に記載の繊維強化プラスチック成形体用シート。 The sheet for fiber-reinforced plastic molded articles according to claim 9, wherein the matrix resin component is a polyetherimide resin and the binder component contains at least a modified polyester resin having a melting point of 80C to 130C. バインダー成分が、モノマー成分としてメチルメタクリレート及びエチルメタクリレートから選ばれる少なくとも1種を含有する共重合体を含有するエマルジョンを含む、請求項１〜１０のいずれか１項に記載の繊維強化プラスチック成形体用シート。 Binder component comprises an emulsion containing a copolymer containing at least one selected as monomer components of methyl methacrylate and ethyl methacrylate, fiber-reinforced plastic molded body according to any one of claims 1-10 Sheet. バインダー成分が、モノマー成分としてメチルメタクリレート及びエチルメタクリレートから選ばれる少なくとも１種を含有する共重合体と繊維状の熱可塑性樹脂とを含み、
繊維強化プラスチック成形体用シートに対し、共重合体の含有量が０．５質量％〜３.０質量％であり、繊維状の熱可塑性樹脂の含有量が１質量％〜６質量％である、請求項１〜１１のいずれか１項に記載の繊維強化プラスチック成形体用シート。 The binder component includes a copolymer containing at least one selected from methyl methacrylate and ethyl methacrylate as a monomer component and a fibrous thermoplastic resin,
The content of the copolymer is 0.5% by mass to 3.0% by mass and the content of the fibrous thermoplastic resin is 1% by mass to 6% by mass with respect to the fiber reinforced plastic molded sheet. The sheet for fiber-reinforced plastic molded bodies according to any one of claims 1 to 11 . 繊維強化プラスチック成形体用シート中の全強化繊維とスーパーエンプラ繊維の比率が、体積比で５／９５〜７０／３０である、請求項１〜１２のいずれか１項に記載の繊維強化プラスチック成形体用シート。 The fiber-reinforced plastic molding according to any one of claims 1 to 12 , wherein the ratio of all reinforcing fibers and super engineering plastic fibers in the sheet for fiber-reinforced plastic molding is 5/95 to 70/30 in volume ratio. Body sheet. 強化繊維シートの両面に、マトリックス樹脂成分を含有する不織布シートが貼合されている、請求項１〜１３のいずれか１項に記載の繊維強化プラスチック成形体用シート。 On both surfaces of the reinforcing fiber sheet, a nonwoven sheet containing a matrix resin component is stuck, fiber-reinforced plastic molded body sheet according to any one of claims 1 to 13. マトリックス樹脂成分を含有する複数の不織布シートが貼合されている、請求項１〜１４のいずれか１項に記載の繊維強化プラスチック成形体用シート。 A plurality of nonwoven fabric sheet containing a matrix resin component is stuck, fiber-reinforced plastic molded body sheet according to any one of claims 1-14. 強化繊維シートと、マトリックス樹脂成分を含有する不織布シートの貼合が熱プレスである、請求項１〜１５のいずれか１項に記載の繊維強化プラスチック成形体用シート。 The fiber-reinforced plastic molded sheet according to any one of claims 1 to 15 , wherein the bonding of the reinforcing fiber sheet and the nonwoven fabric sheet containing the matrix resin component is a hot press. スーパーエンプラ繊維のガラス転移温度よりも低い融点を持つ繊維状の熱可塑性樹脂により熱プレスされている、請求項１６に記載の繊維強化プラスチック成形体用シート。 The sheet | seat for fiber reinforced plastic moldings of Claim 16 currently heat-pressed with the fibrous thermoplastic resin which has melting | fusing point lower than the glass transition temperature of a super engineering plastic fiber. スーパーエンプラ繊維の一部が溶融することにより熱プレスされている請求項１６又は１７に記載の繊維強化プラスチック成形体用シート。 The sheet | seat for fiber reinforced plastic moldings of Claim 16 or 17 currently hot-pressed by melt | dissolving a part of super engineering plastic fiber.
JP2015008790A 2012-02-29 2015-01-20 Sheet for fiber-reinforced plastic molded body and molded body thereof Active JP6020612B2 (en)

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JP2012280652 2012-12-25
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