JPH01110943A - Frp structure and its manufacture - Google Patents
Frp structure and its manufactureInfo
- Publication number
- JPH01110943A JPH01110943A JP62270015A JP27001587A JPH01110943A JP H01110943 A JPH01110943 A JP H01110943A JP 62270015 A JP62270015 A JP 62270015A JP 27001587 A JP27001587 A JP 27001587A JP H01110943 A JPH01110943 A JP H01110943A
- Authority
- JP
- Japan
- Prior art keywords
- layers
- frp
- resin
- reinforcing material
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 229920005989 resin Polymers 0.000 claims abstract description 19
- 239000011347 resin Substances 0.000 claims abstract description 19
- 239000000835 fiber Substances 0.000 claims abstract description 18
- 239000012779 reinforcing material Substances 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 abstract description 11
- 238000005452 bending Methods 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000002990 reinforced plastic Substances 0.000 description 25
- 230000000694 effects Effects 0.000 description 7
- 239000011162 core material Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N urethane group Chemical group NC(=O)OCC JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 2
- 239000012784 inorganic fiber Substances 0.000 description 2
- 238000009958 sewing Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229920006221 acetate fiber Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000004709 eyebrow Anatomy 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000004850 liquid epoxy resins (LERs) Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明はＦＲＰ （強化プラスチックス）構造体および
その製造方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to an FRP (reinforced plastics) structure and a method for manufacturing the same.
従来の技術
ＦＲＰを構造体として利用する場合は何らかの補強がな
される。Prior art When FRP is used as a structure, some kind of reinforcement is provided.
補強対策として例えば特開昭５７−２７７４６号公報の
開示する複合材料は面積層された繊維層に対しＦＲＰニ
ードルを貫通させるようにしている。As a reinforcement measure, for example, in the composite material disclosed in Japanese Patent Laid-Open No. 57-27746, FRP needles are passed through the stacked fiber layers.
また、特開昭５９−１３３０４２号公報で例示されるよ
うに、複合積層材の厚さ方向に繊維を通して縫合するこ
とにより補強を行なうこともある。Furthermore, as exemplified in Japanese Unexamined Patent Publication No. 59-133042, reinforcement may be performed by passing fibers through the composite laminate in the thickness direction and sewing it together.
さらに特開昭６０−１８９４３６号公報、実開昭６１−
１８８３１号公報で示されるように、形状効果を狙い、
軽量芯材をインサートすることも試みられている。Furthermore, Japanese Patent Application Laid-Open No. 189436/1983, Utility Model Application No. 61-
As shown in Publication No. 18831, aiming at the shape effect,
Attempts have also been made to insert lightweight core materials.
発明が解決しようとする問題点
特開昭５７−２７７４６号のものは形状効果によって強
度を上げようとすれば繊維層を厚くしなければならない
。そのためコストツブを来すという欠点がある。Problems to be Solved by the Invention The fiber layer of JP-A No. 57-27746 must be made thicker if the strength is to be increased by the shape effect. This has the disadvantage of increasing costs.
特開昭５９−１３３０４２号公報のものも同様な問題を
有している。The method disclosed in Japanese Unexamined Patent Publication No. 59-133042 also has a similar problem.
特開昭６０−１８９４３６号、実開昭６１−ｔ ８８３
を号の複合材は中間に軽量芯材を挟んだサンドイッチ
構造であるから、形状効果を得て構造体の補強を行なう
ことができる。しかし、前者の軽量芯材をウレタンコア
とする方式にあってはウレタンコアの剛性が低く、また
外層との接合はウレタンの自己接着性によるので大きな
ねじり力、剪断力が加わると層間が剥離するという問題
がある。Japanese Unexamined Patent Publication No. 189436/1983, Japanese Unexamined Patent Publication No. 61-t883
Since the composite material of No. 2 has a sandwich structure with a lightweight core material sandwiched between them, it is possible to obtain shape effects and reinforce the structure. However, in the former method where a urethane core is used as the lightweight core material, the urethane core has low rigidity, and since the bond with the outer layer is based on the self-adhesive properties of urethane, the layers may peel apart when large torsional or shearing forces are applied. There is a problem.
後者の軽量芯材をハニカムとする方式はハニカム自体の
剛性が高いものの、表面材との接合部に層間剥離を生じ
易いという前者におけると同様な問題がある。Although the latter method uses honeycomb as the lightweight core material, the honeycomb itself has high rigidity, but has the same problem as the former method in that delamination is likely to occur at the joint with the surface material.
問題点を解決するための手段
本発明は上記問題点を解決するため、ＦＲＰ構造体とし
て、ＦＲＰからなる上、下層が設けられており、前記上
、下層の間にはバルーン状軽量強化材を含有するところ
の前記ＦＲＰにおけるマトリックスと同種の樹脂からな
る中間層が挟まれており、かつ前記上、下層および中間
層が、これらの各層を貫く結合糸構造で一体に結合され
た構成を採用し、またその製造方法として上下の繊維基
材層の間にバルーン状軽量強化材を挟み、次いでこれら
三者を貫く結合糸構造で三者を一体に結合してプリフォ
ーム体を形成し、しかる後該プリフォーム体に樹脂を含
浸させて該樹脂を固化させるという手順を採用している
。Means for Solving the Problems In order to solve the above problems, the present invention provides an FRP structure with an upper and lower layer made of FRP, and a balloon-shaped lightweight reinforcing material is provided between the upper and lower layers. A configuration is adopted in which an intermediate layer made of the same type of resin as the matrix in the FRP containing is sandwiched, and the upper, lower, and intermediate layers are integrally bonded by a binding thread structure that penetrates each layer. , and its manufacturing method involves sandwiching a balloon-shaped lightweight reinforcing material between the upper and lower fiber base layers, and then bonding the three layers together with a binding thread structure that penetrates through them to form a preform body. A procedure is adopted in which the preform body is impregnated with resin and the resin is solidified.
上記ＦＲＰの繊維基材としては、ガラス繊維。The fiber base material of the above-mentioned FRP is glass fiber.
炭素繊維等の無機繊維またはアラミツド繊維等の有機繊
維をクロス状、チョップ・マット状またはスワール・マ
ット状等に形成したものを用いることができる。Inorganic fibers such as carbon fibers or organic fibers such as aramid fibers formed into a cloth shape, chopped mat shape, swirl mat shape, etc. can be used.
上記バルーン状軽量強化材の材質としてはガラスまたは
シラス等を用いることができる。Glass, shirasu, or the like can be used as the material for the balloon-shaped lightweight reinforcing material.
上記ＦＲＰのマトリックスおよびバルーン状軽量強化材
を含有する樹脂としては、熱可塑性または熱硬化性樹脂
のいずれでも用いることができる。As the resin containing the above-mentioned FRP matrix and balloon-shaped lightweight reinforcing material, either thermoplastic or thermosetting resin can be used.
上記結合糸構造は糸の縫い込みまたは編み込みによって
形成することができる。The binding thread structure can be formed by sewing or braiding threads.
その糸としてはトウ状、ヤーン状、ロービング状または
フィラメント群状等の繊維束またはそれを撚った糸を用
いることができ、その材質としては前記繊維基材におけ
ると同様な無機繊維または有機繊維とすることができる
。As the thread, a fiber bundle in the form of a tow, yarn, roving, or filament group, or a thread made by twisting the same, can be used, and its material is the same inorganic fiber or organic fiber as in the fiber base material. It can be done.
作 用
中間層はバルーン状軽量強化材を含有する樹脂で形成し
ているので、その重量をある程度以下に抑えて厚くする
ことができる。Since the functional intermediate layer is formed of a resin containing a balloon-like lightweight reinforcing material, its weight can be kept below a certain level and its thickness can be increased.
従って、ＦＲＰ構造体の形状効果を高め、ねじり１曲げ
等に対する強度の向上を図ることができる。また、中間
層の厚さを得るのに高価な繊維を多量に用いないので、
コストアップを回避しうる。Therefore, the shape effect of the FRP structure can be enhanced, and the strength against torsion, bending, etc. can be improved. Also, since large amounts of expensive fibers are not used to obtain the thickness of the intermediate layer,
Cost increases can be avoided.
ＦＲＰのマトリックスとバルーン状軽量強化材を含有す
る樹脂は同種ものに設定されているので、上、下層と中
間層との間に剥離を生じ難く、従って大きなねじり力等
が掛る箇所に使用することができる。またこの性質は上
、下層および中間層が結合糸構造で一体化されているこ
とからさらに高められることとなる。Since the FRP matrix and the resin containing the balloon-shaped lightweight reinforcing material are of the same type, it is difficult to cause peeling between the upper, lower and middle layers, and therefore it can be used in areas where large torsional forces are applied. Can be done. Moreover, this property is further enhanced because the upper layer, lower layer and middle layer are integrated with a bonded yarn structure.
実施例 以下に本発明の詳細な説明する。Example The present invention will be explained in detail below.
実施例１
第１図において符号１．２はそれぞれＦＲＰからなる上
、下層を示し、符号３は中間層を示し、符号４はこれら
の各層１，２．３を貫いて縫い込まれた糸を示している
。Example 1 In Fig. 1, reference numeral 1.2 indicates the upper and lower layers made of FRP, reference numeral 3 indicates the middle layer, and reference numeral 4 indicates the thread sewn through each of these layers 1 and 2.3. It shows.
前記ＦＲＰの繊維基材６はガラス繊維で出来たクロスマ
ットであり、そのマトリックスはエポキシ樹脂で出来て
いる。The FRP fiber base material 6 is a cross mat made of glass fiber, and its matrix is made of epoxy resin.
前記中間層３はバルーン状軽量強化材５を含有するエポ
キシ樹脂で形成されている。The intermediate layer 3 is made of an epoxy resin containing a balloon-shaped lightweight reinforcing material 5.
バルーン状軽量強化材５はこの場合微小なガラスバルー
ンである。The balloon-shaped lightweight reinforcing material 5 is in this case a tiny glass balloon.
前記糸４はアセテート繊維からなる繊維束であり、第１
図で示されるような縫い目形式でミシン縫いされている
。糸４はＦＲＰの層１，２内に埋没しており、ＦＲＰの
表面と面−化されている。The yarn 4 is a fiber bundle made of acetate fibers, and the first
It is machine sewn in the seam format shown in the diagram. The thread 4 is buried within the FRP layers 1 and 2 and is flush with the surface of the FRP.
このように上、下層１．２および中間層３はサンドイッ
チ状に積層されているが、上、下層１．２のマトリック
スと中間層３の樹脂が同じエポキシ樹脂でできているこ
とから層１，２゜３間が強固に結合されることになる。In this way, the upper and lower layers 1.2 and the intermediate layer 3 are laminated in a sandwich-like manner, but since the matrix of the upper and lower layers 1.2 and the resin of the intermediate layer 3 are made of the same epoxy resin, the layers 1, 2°3 will be firmly connected.
また各層１．２．３間は繊維束で結合されるので、層１
゜２．３間の結合力はさらに高められている。さらに、
中間層３はガラスバルーンの含有によって厚く形成され
ているのでさほど重量増を来すことなく形状効果が高め
られている。In addition, each layer 1, 2, and 3 are connected by fiber bundles, so layer 1
The bonding strength between ゜2.3 is further increased. moreover,
Since the intermediate layer 3 is formed thickly due to the inclusion of glass balloons, the shape effect is enhanced without significantly increasing the weight.
前記ＦＲＰ構遺体は第２図で示されるような工程を経て
作られる。The FRP structure is manufactured through the steps shown in FIG.
まず繊維基材６となるマットを２枚用意し、それらの間
にバルーン状軽量強化材５たるガラスバルーンを挟み込
む［第２図（Ａ）］。First, two mats serving as the fiber base material 6 are prepared, and a glass balloon serving as the balloon-shaped lightweight reinforcing material 5 is sandwiched between them [FIG. 2(A)].
次いで、これら三者を糸４で縫って一体に結合しプリフ
ォーム体７を形成する［同図（Ｂ）］。Next, these three parts are sewn together with thread 4 to form a preform body 7 [FIG. 4(B)].
このようなプリフォーム体７に対し液状のエポキシ樹脂
８を注入し［同図（Ｃ）］、平滑板（図示せず）を上下
から宛てがい、該樹脂８を固化させる。。A liquid epoxy resin 8 is injected into such a preform body 7 [FIG. 3(C)], and smooth plates (not shown) are applied from above and below to solidify the resin 8. .
これにより第１図で示されるようなＦＲＰ構造体が得ら
れる。As a result, an FRP structure as shown in FIG. 1 is obtained.
実施例２
第３図は本発明に係るＦＲＰ構造体の他の実施例を示し
ており、この場合糸４は撚られた糸が用いられ、三層１
，２．．３間を貫通するごとくプリフォーム体７に編み
込まれている。Embodiment 2 FIG. 3 shows another embodiment of the FRP structure according to the present invention, in which the threads 4 are twisted threads, and the three layers 1
,2. ．． It is woven into the preform body 7 so as to pass through the space between the two.
発明の効果
本発明に係るＦＲＰ構造体は以上のような構成からなり
、ＦＲＰのマトリックスと中間層の使用樹脂を同種のも
のとし、かつ各層を貫く結合糸構造で各層を一体化して
いるので、眉間の剥離を防止し、全体の剛性を高め、曲
げ、ねじりに対し強い抵抗力を示すものとすることがで
きる。Effects of the Invention The FRP structure according to the present invention has the above-mentioned structure, and the resin used in the FRP matrix and the intermediate layer are of the same type, and each layer is integrated with a bonding thread structure that penetrates each layer. It can prevent peeling between the eyebrows, increase the overall rigidity, and exhibit strong resistance to bending and twisting.
また中間層にはバルーン状軽量強化材を含有せしめて語
順の厚肉化を図っているので、コストアップを来すこと
なく形状効果を得ることができるものである。Furthermore, since the middle layer contains a balloon-like lightweight reinforcing material to increase the thickness of the word order, the shape effect can be obtained without increasing costs.
また本発明に係るＦＲＰ構造体の製造方法は、前記のご
とく、まずプリフォーム体を作った後、樹脂を含浸させ
るので、粉状のバルーン状軽量強化材を用いるものであ
っても所望の厚さ、形状の構造体を簡便に得ることがで
きる。In addition, in the method for manufacturing an FRP structure according to the present invention, as described above, the preform is first made and then impregnated with resin, so even if a powdered balloon-like lightweight reinforcing material is used, the desired thickness can be achieved. It is possible to easily obtain a structure with a shape of .
さらに本発明の製造方法は上、下層のＦＲＰの形成と、
中間層の形成を樹脂の含浸という工程で一度に行なうの
で、製造工程の簡易化、迅速化を図ってコストダウンを
達成することができるものである。Furthermore, the manufacturing method of the present invention includes forming upper and lower FRP layers,
Since the intermediate layer is formed at once in the step of impregnating the resin, the manufacturing process can be simplified and speeded up, and costs can be reduced.
第１図は本発明に係るＦＲＰ構造体の一実施例の部分切
欠垂直断面図、第２図は本発明に係るＦＲＰ構造体の製
造方法の１例の各ステップを示し、同図（Ａ）はバルー
ン状軽量強化材を繊維基材で挟んだものの垂直断面図、
同図ＣＢ）はさらに糸で縫った状態の垂直断面図、同図
（Ｃ）はさらに樹脂を含浸させつつある状態の垂直断面
図、第３図は本発明の他の実施例に係るＦＲＰ構造体の
部分切欠斜視図である。
１：上層、２：下層、３：中間層、４；糸、５：バルー
ン状軽量強化材、６：繊維基材、７：ブリフオーム体、
８：樹脂。FIG. 1 is a partially cutaway vertical cross-sectional view of an embodiment of an FRP structure according to the present invention, and FIG. 2 shows each step of an example of a method for manufacturing an FRP structure according to the present invention. is a vertical cross-sectional view of a balloon-shaped lightweight reinforcing material sandwiched between fiber base materials,
Figure CB) is a vertical cross-sectional view of a state in which it is further sewn with thread, Figure (C) is a vertical cross-sectional view of a state in which it is further impregnated with resin, and Figure 3 is a FRP structure according to another embodiment of the present invention. FIG. 2 is a partially cutaway perspective view of the body. 1: Upper layer, 2: Lower layer, 3: Middle layer, 4: Thread, 5: Balloon-shaped lightweight reinforcement material, 6: Fiber base material, 7: Briform body,
8: Resin.
Claims (2)
上、下層の間にはバルーン状軽量強化材を含有するとこ
ろの前記ＦＲＰにおけるマトリックスと同種の樹脂から
なる中間層が挟まれており、かつ前記上、下層および中
間層が、これらの各層を貫く結合糸構造で一体に結合さ
れていることを特徴とするＦＲＰ構造体。(1) Upper and lower layers made of FRP are provided, and an intermediate layer made of the same type of resin as the matrix in the FRP, which contains a balloon-shaped lightweight reinforcing material, is sandwiched between the upper and lower layers. , and the above-mentioned upper layer, lower layer, and middle layer are integrally bonded by a bonding thread structure that penetrates each of these layers.
挟み、次いでこれら三者を貫く結合糸構造で三者を一体
に結合してプリフォーム体を形成し、しかる後該プリフ
ォーム体に樹脂を含浸させて該樹脂を固化させることを
特徴とするＦＲＰ構造体の製造方法。(2) A balloon-shaped lightweight reinforcing material is sandwiched between the upper and lower fiber base layers, and then the three are bonded together using a binding thread structure that penetrates through them to form a preform body, and then the preform is formed. A method for manufacturing an FRP structure, which comprises impregnating a body with a resin and solidifying the resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62270015A JPH01110943A (en) | 1987-10-26 | 1987-10-26 | Frp structure and its manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62270015A JPH01110943A (en) | 1987-10-26 | 1987-10-26 | Frp structure and its manufacture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01110943A true JPH01110943A (en) | 1989-04-27 |
Family
ID=17480358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62270015A Pending JPH01110943A (en) | 1987-10-26 | 1987-10-26 | Frp structure and its manufacture |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01110943A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10046654B4 (en) * | 1999-11-16 | 2006-03-23 | Fuji Xerox Co., Ltd. | Image forming apparatus |
| JP2011016278A (en) * | 2009-07-08 | 2011-01-27 | Mitsubishi Rayon Co Ltd | Method for manufacturing fiber-reinforced composite material molded product |
-
1987
- 1987-10-26 JP JP62270015A patent/JPH01110943A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10046654B4 (en) * | 1999-11-16 | 2006-03-23 | Fuji Xerox Co., Ltd. | Image forming apparatus |
| JP2011016278A (en) * | 2009-07-08 | 2011-01-27 | Mitsubishi Rayon Co Ltd | Method for manufacturing fiber-reinforced composite material molded product |
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