JPH08150691A - Manufacture of fiber composite sheet - Google Patents
Manufacture of fiber composite sheetInfo
- Publication number
- JPH08150691A JPH08150691A JP6292907A JP29290794A JPH08150691A JP H08150691 A JPH08150691 A JP H08150691A JP 6292907 A JP6292907 A JP 6292907A JP 29290794 A JP29290794 A JP 29290794A JP H08150691 A JPH08150691 A JP H08150691A
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- resin
- fiber
- fiber material
- shaped
- 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
Landscapes
- Moulding By Coating Moulds (AREA)
- Laminated Bodies (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、優れた強度を有し、
低コストで製造することのできる繊維複合シートの製造
方法に関する。This invention has excellent strength,
The present invention relates to a method for manufacturing a fiber composite sheet that can be manufactured at low cost.
【０００２】[0002]
【従来の技術】多数の連続長繊維に熱可塑性樹脂粉末を
付着させたシート状樹脂含有繊維材をを作り、このシー
ト状樹脂含有繊維材を加熱加圧して熱可塑性樹脂を溶融
させ一体化することにより、連続長繊維で補強された繊
維補強熱可塑性樹脂シートを製造する方法は知られてい
る。2. Description of the Related Art A sheet-shaped resin-containing fiber material is prepared by adhering thermoplastic resin powder to a large number of continuous filaments, and the sheet-shaped resin-containing fiber material is heated and pressed to melt and integrate the thermoplastic resin. Thus, a method for producing a fiber-reinforced thermoplastic resin sheet reinforced with continuous long fibers is known.
【０００３】この種の繊維補強熱可塑性樹脂シートは、
補強繊維として多数の連続長繊維を用い、しかも熱可塑
性樹脂粉末を用いるので、比較的低コストで製造できる
という利点を有する。また、連続長繊維により長さ方向
に高い強度と低い熱伸縮性が付与され、長尺複合成形体
の芯材として波板や雨樋などの建材製品等に広く用いら
れている。This type of fiber reinforced thermoplastic resin sheet is
Since a large number of continuous long fibers are used as the reinforcing fibers and the thermoplastic resin powder is used, there is an advantage that the production can be performed at a relatively low cost. Further, continuous long fibers impart high strength and low heat stretchability in the length direction, and are widely used as a core material for a long composite molded body in building material products such as corrugated sheets and gutters.
【０００４】しかし、この種の繊維補強熱可塑性樹脂シ
ートは、連続長繊維が長さ方向にのみ配向しているた
め、幅方向の強度が弱い。幅方向の強度を補強するため
に、特開平３−２５４９３６号公報には、多数の連続長
繊維に熱可塑性樹脂粉末を付着させたシート状樹脂含有
繊維材の間に、ガラスネット等のネット状の補強繊維を
挿入し、これを加熱加圧して熱可塑性樹脂を溶融させ一
体化させる方法が提案されている。However, in this type of fiber-reinforced thermoplastic resin sheet, since the continuous long fibers are oriented only in the length direction, the strength in the width direction is weak. In order to reinforce the strength in the width direction, JP-A-3-254936 discloses a sheet-shaped resin-containing fiber material obtained by adhering thermoplastic resin powder to a large number of continuous filaments, and a net-shaped glass net or the like. There is proposed a method in which the reinforcing fiber of (1) is inserted, and this is heated and pressed to melt and integrate the thermoplastic resin.
【０００５】[0005]
【発明が解決しようとする課題】ところが、上記提案の
方法にあっては、ネット状の補強繊維の製造コストが高
く、このようなネット状の補強繊維を用いて得られる繊
維複合シートも製造コストが高くなるという問題があ
る。However, in the method proposed above, the manufacturing cost of the net-like reinforcing fibers is high, and the fiber composite sheet obtained by using such net-like reinforcing fibers is also the manufacturing cost. There is a problem that is high.
【０００６】この本発明は、上記の問題を解決するもの
で、その目的とするところは、長さ方向の強度のみなら
ず幅方向の強度にも優れ、しかも低コストで製造するこ
とのできる繊維複合シートの製造方法を提供することに
ある。The present invention solves the above-mentioned problems, and an object of the present invention is not only excellent strength in the length direction but also strength in the width direction, and a fiber which can be manufactured at low cost. It is to provide a method for manufacturing a composite sheet.
【０００７】[0007]
【課題を解決するための手段】この発明の繊維複合シー
トの製造方法は、多数の連続長繊維に熱可塑性樹脂粉末
を付着させたシート状樹脂含有繊維材の上に、多数の連
続長繊維で補強された繊維補強熱可塑性樹脂シートの短
冊状切断片を、この短冊状切断片の繊維の配向方向が上
記シート状樹脂含有繊維材の繊維の配向方向と一致しな
いように散布し、これを加熱加圧して熱可塑性樹脂を溶
融させ一体化することを特徴とし、それにより上記の目
的を達成することができる。The method for producing a fiber composite sheet according to the present invention comprises a sheet-shaped resin-containing fiber material obtained by adhering a thermoplastic resin powder to a large number of continuous long fibers, and a large number of continuous long fibers. The strip-shaped cut pieces of the reinforced fiber-reinforced thermoplastic resin sheet are sprinkled so that the fiber orientation direction of the strip-shaped cut pieces does not match the fiber orientation direction of the sheet-shaped resin-containing fiber material, and this is heated. It is characterized in that the thermoplastic resin is melted and integrated under pressure, whereby the above object can be achieved.
【０００８】以下、図面を参照しながら、この発明を詳
細に説明する。図１はこの発明方法の一例を示す説明図
である。図１において、１１はボビンから繰り出される
多数の連続長繊維で、この連続長繊維１１は流動槽２０
に導入される。図１には、連続長繊維１１が二本だけ示
されているが、実際には多数のボビンから多数本が繰り
出され、長さ方向にシート状に配列されて流動槽２０に
導入される。The present invention will be described in detail below with reference to the drawings. FIG. 1 is an explanatory view showing an example of the method of the present invention. In FIG. 1, 11 is a large number of continuous filaments fed from a bobbin, and the continuous filaments 11 are the fluid tanks 20.
Will be introduced to. Although only two continuous filaments 11 are shown in FIG. 1, a large number of filaments are actually fed out from a large number of bobbins, arranged in a sheet shape in the length direction, and introduced into the flow tank 20.
【０００９】連続長繊維１１としては、例えば、ガラス
繊維、カーボン繊維、アルミナ繊維、アラミド繊維等の
ロービングが用いられる。このロービングを構成するモ
ノフィラメントの太さは、１〜５０μm 程度が好まし
い。As the continuous long fibers 11, for example, roving of glass fiber, carbon fiber, alumina fiber, aramid fiber, etc. is used. The thickness of the monofilament forming the roving is preferably about 1 to 50 μm.
【００１０】流動槽２０には、熱可塑性樹脂粉末１２が
供給される。流動槽２０に供給された樹脂粉末１２は、
多孔板２１の通気孔を通って流動槽２０内へ噴出する空
気の圧力により、上方に吹き上げられて浮遊状態にな
り、樹脂粉末１２の流動床が形成される。Thermoplastic resin powder 12 is supplied to the flow tank 20. The resin powder 12 supplied to the fluidized tank 20 is
The pressure of the air jetted into the fluid tank 20 through the vent holes of the perforated plate 21 blows it upwards to a floating state, forming a fluidized bed of the resin powder 12.
【００１１】熱可塑性樹脂粉末１２としては、例えば、
ポリエチレン、ポリプロピレン、ポリ塩化ビニル、ポリ
フェニレンサルファイド、ポリエーテルスルホン、ポリ
エーテルエーテルケトン等が用いられる。これ等の樹脂
粉末１２の粒径は、平均粒径で１０００μm 以下が好ま
しい。As the thermoplastic resin powder 12, for example,
Polyethylene, polypropylene, polyvinyl chloride, polyphenylene sulfide, polyether sulfone, polyether ether ketone, etc. are used. The average particle size of these resin powders 12 is preferably 1000 μm or less.
【００１２】流動槽２０の中にはガイドバー２２が設け
られており、連続長繊維１１はこのガイドバー２２を通
過する際に、噴出する空気圧、樹脂粉末１２に発生する
静電気、ガイドバー２２や樹脂粉末１２による擦り揉み
効果などによって、モノフィラメント単位に分離、開繊
され、このような多数の連続長繊維１１に樹脂粉末１２
が付着する。樹脂粉末１２の付着量は、連続長繊維１１
が５〜５０重量％の範囲になるように調整するのが好ま
しい。A guide bar 22 is provided in the flow tank 20, and when the continuous filaments 11 pass through the guide bar 22, air pressure ejected, static electricity generated in the resin powder 12, the guide bar 22 and the like. Due to the rubbing and rubbing effect of the resin powder 12, the filaments are separated and opened into monofilament units.
Adheres. The adhesion amount of the resin powder 12 is equal to that of the continuous filament 11
Is preferably adjusted to be in the range of 5 to 50% by weight.
【００１３】なお、連続長繊維１１に熱可塑性樹脂粉末
１２を付着させる方法としては、上記のように樹脂粉末
の流動床中に通して樹脂粉末を付着させる方法が好まし
いが、その他、連続長繊維を樹脂粉末の分散液中に通し
た後これを乾燥させて樹脂粉末を付着させる方法、連続
長繊維に樹脂粉末を吹き付けて樹脂粉末を付着させる方
法等がある。As a method for adhering the thermoplastic resin powder 12 to the continuous filaments 11, the method of adhering the resin powder by passing through the fluidized bed of the resin powder as described above is preferable. There is a method in which the resin powder is passed through a dispersion of resin powder and then dried to adhere the resin powder, and a method in which the resin powder is sprayed onto the continuous long fibers to adhere the resin powder.
【００１４】こうして、長さ方向にシート状に配列した
多数の連続長繊維１１に、熱可塑性樹脂粉末１２が付着
したシート状樹脂含有繊維材１０ａ（下側のシート状樹
脂含有繊維材）が作製される。Thus, the sheet-shaped resin-containing fiber material 10a (lower sheet-shaped resin-containing fiber material) in which the thermoplastic resin powder 12 is adhered to a large number of continuous long fibers 11 arranged in a sheet shape in the length direction is produced. To be done.
【００１５】そして、上記シート状樹脂含有繊維材１０
ａの上に、多数の連続長繊維で補強された繊維補強熱可
塑性樹脂シート１０ｂの短冊状切断片１０ｃが、この短
冊状切断片１０ｃの繊維の配向方向が上記シート状樹脂
含有繊維材１０ａの繊維の配向方向と一致しないように
散布される。The above sheet-shaped resin-containing fiber material 10
A strip-shaped cut piece 10c of a fiber-reinforced thermoplastic resin sheet 10b reinforced with a large number of continuous long fibers is provided on a, and the orientation direction of the fibers of the strip-shaped cut piece 10c is the sheet-shaped resin-containing fiber material 10a. It is sprinkled so that it does not match the orientation direction of the fibers.
【００１６】上記繊維補強熱可塑性樹脂シート１０ｂ
は、上記シート状樹脂含有繊維材１０ａと同様な方法で
作られたシート状樹脂含有繊維材を、加熱ロール等で加
熱加圧して熱可塑性樹脂を溶融させ一体化することによ
り作製することができる。The fiber-reinforced thermoplastic resin sheet 10b
Can be produced by heating and pressurizing a sheet-shaped resin-containing fiber material produced by the same method as the sheet-shaped resin-containing fiber material 10a with a heating roll or the like to melt and integrate the thermoplastic resin. .
【００１７】また、上記シート状樹脂含有繊維材１０ｂ
として、この発明方法の最終段階で発生する繊維複合シ
ートの両耳部のスクラップを用いることができる。この
ような両耳部のスクラップを用いると、一層低コストで
繊維複合シートを製造することができる。The sheet-shaped resin-containing fiber material 10b
As the scrap, scraps from both ears of the fiber composite sheet generated at the final stage of the method of the present invention can be used. By using such scraps of both ears, the fiber composite sheet can be manufactured at a lower cost.
【００１８】上記短冊状切断片１０ｃは、繊維補強熱可
塑性樹脂シート１０ｂを、スリッター３０により適当な
幅で長さ方向に切断し、さらにロータリーカッター３１
により、適当な長さの短冊状に切断することにより作製
される。The strip-shaped cut piece 10c is formed by cutting the fiber-reinforced thermoplastic resin sheet 10b with a slitter 30 in an appropriate width in the length direction, and further by a rotary cutter 31.
It is produced by cutting into strips of appropriate length.
【００１９】繊維補強熱可塑性樹脂シート１０ｂをスリ
ッター３０で長さ方向に切断する際には、その幅が１〜
５mm程度に切断するのが好ましく、ロータリーカッター
３１で短冊状に切断する際には、その長さが１０〜４０
mm程度に切断するのが好まし。When the fiber reinforced thermoplastic resin sheet 10b is cut by the slitter 30 in the longitudinal direction, the width thereof is from 1 to 1.
It is preferable to cut into about 5 mm, and when cutting into strips with the rotary cutter 31, the length is 10 to 40.
It is preferable to cut to about mm.
【００２０】そして、この短冊状切断片１０ｃをシート
状樹脂含有繊維材１０ａの上に散布するには、切断され
た短冊状切断片１０ｃを一旦タンク４０に溜め、このタ
ンク４０内の下方に設けられたロータリーフィーダー４
１により、この短冊状切断片１０ｃを、長さ方向に移送
されているシート状樹脂含有繊維材１０ａの上に落下さ
せてシート状に散布するのが好ましい。In order to spread the strip-shaped cut pieces 10c on the sheet-shaped resin-containing fiber material 10a, the cut strip-shaped cut pieces 10c are temporarily stored in the tank 40 and provided below the tank 40. Rotary feeder 4
It is preferable that the strip-shaped cut pieces 10c are dropped onto the sheet-shaped resin-containing fiber material 10a being transported in the lengthwise direction and scattered in a sheet shape by the method of 1.
【００２１】ロータリーフィーダー４１には幅方向に多
数の板状の羽根が設けられており、この羽根により短冊
状切断片１０ｃが幅方向に整えられ、それにより、この
短冊状切断片１０ｃの繊維の配向方向が上記シート状樹
脂含有繊維材１０ａの繊維の配向方向と一致しないよう
に良好に散布される。The rotary feeder 41 is provided with a large number of plate-shaped blades in the width direction, and the blades arrange the strip-shaped cutting pieces 10c in the width direction, whereby the fibers of the strip-shaped cutting pieces 10c are formed. It is satisfactorily dispersed so that the orientation direction does not coincide with the orientation direction of the fibers of the sheet-shaped resin-containing fiber material 10a.
【００２２】さらに、シート状に集積された短冊状切断
片１０ｃの上に、上記シート状樹脂含有繊維材１０ａと
同様な方法で作られたシート状樹脂含有繊維材１０ｄ
（上側のシート状樹脂含有繊維材）が重ねられる。この
上側のシート状樹脂含有繊維材１０ｄは必ずしも使用す
る必要はないが、外観の優れた製品を得るために使用す
る方が好ましい。Further, a sheet-shaped resin-containing fiber material 10d made in the same manner as the sheet-shaped resin-containing fiber material 10a is provided on the strip-shaped cut pieces 10c accumulated in a sheet shape.
(Upper sheet-shaped resin-containing fiber material) is overlaid. The sheet-shaped resin-containing fiber material 10d on the upper side is not necessarily used, but it is preferable to use it in order to obtain a product having an excellent appearance.
【００２３】こうして形成された重ね合せ体１０１は、
上下一対の加熱ロール５０に移送され、この加熱ロール
５０により重ね合せ体１０１が加熱加圧され、重ね合せ
体１０１を構成する全ての熱可塑性樹脂が溶融し、シー
ト状に一体化される。The superposed body 101 thus formed is
The superposed body 101 is transferred to a pair of upper and lower heating rolls 50, and the superposed body 101 is heated and pressed by the heating rolls 50, and all the thermoplastic resins forming the superposed body 101 are melted and integrated into a sheet.
【００２４】引き続いて、一組の冷却ロール６０に移送
されて冷却され、その後必要に応じて耳切りカッター７
０により両耳部が切断され、こうして繊維複合シート１
００が製造される。Subsequently, it is transferred to a pair of cooling rolls 60 and cooled, and then the edge cutting cutter 7 is used as required.
Both ears are cut by 0, and thus the fiber composite sheet 1
00 is manufactured.
【００２５】[0025]
【作用】この発明においては、繊維補強熱可塑性樹脂シ
ートの短冊状切断片により幅方向の強度が補強され、こ
のような短冊状切断片は、従来方法において幅方向の強
度補強に用いられるネット状の補強繊維に比べて安価に
製造でき、したがって、低コストで繊維複合シートを製
造することができる。In the present invention, the strength in the width direction is reinforced by the strip-shaped cut pieces of the fiber-reinforced thermoplastic resin sheet, and such strip-shaped cut pieces are used in the conventional method for reinforcing the strength in the width direction. The fiber composite sheet can be manufactured at a lower cost than the reinforcing fiber of (1), and therefore, the fiber composite sheet can be manufactured at low cost.
【００２６】また、繊維補強熱可塑性樹脂シートの短冊
状切断片として、この発明方法の最終段階で発生する繊
維複合シートの両耳部のスクラップを用いることがで
き、このような両耳部のスクラップを用いると、一層低
コストで繊維複合シートを製造することができる。As strips of the fiber-reinforced thermoplastic resin sheet, scraps from both ears of the fiber composite sheet generated at the final stage of the method of the present invention can be used. By using, the fiber composite sheet can be manufactured at a lower cost.
【００２７】[0027]
【実施例】以下、本発明の実施例及び比較例を示す。実施例１ 図１に示す方法により繊維複合シートを製造した。熱可
塑性樹脂粉末１２として、塩化ビニル−酢酸ビニル共重
合体の粉末（平均重合度７８０、酢酸ビニル含有量８重
量％、平均粒径８０μm ）を用いた。また、連続長繊維
１１として、多数本のロービング状ガラス繊維（ｔｅｘ
４４００）を用いた。EXAMPLES Examples and comparative examples of the present invention will be shown below. Example 1 A fiber composite sheet was produced by the method shown in FIG. As the thermoplastic resin powder 12, a vinyl chloride-vinyl acetate copolymer powder (average degree of polymerization: 780, vinyl acetate content: 8% by weight, average particle size: 80 .mu.m) was used. In addition, as the continuous long fibers 11, a large number of roving glass fibers (text
4400) was used.
【００２８】上記各連続長繊維１１を上記樹脂粉末１２
の流動床中を連続的に通過させ、繊維のモノフィラメン
ト間に樹脂粉末１２を付着させてシート状樹脂含有繊維
材１０ａを得た。繊維含有量は４０重量％に調整した。The above continuous filaments 11 are combined with the above resin powder 12
The resin powder 12 was adhered between the monofilaments of the fibers by continuously passing through the fluidized bed of No. 1 to obtain a sheet-shaped resin-containing fiber material 10a. The fiber content was adjusted to 40% by weight.
【００２９】また、別途、上記シート状樹脂含有繊維材
１０ａと同様なシート状樹脂含有繊維材を作り、これを
加熱加圧して樹脂を溶融させて一体化することにより、
多数の連続長繊維で補強された繊維補強熱可塑性樹脂シ
ート１０ｂを作製した。Separately, a sheet-shaped resin-containing fiber material similar to the above-mentioned sheet-shaped resin-containing fiber material 10a is prepared, and this is heated and pressed to melt and integrate the resin,
A fiber-reinforced thermoplastic resin sheet 10b reinforced with a large number of continuous long fibers was produced.
【００３０】そして、この繊維補強熱可塑性樹脂シート
１０ｂを、スリッター３０及びロータリーカッター３１
で短冊状に切断して、縦（長さ方向）２０mm、横３mmの
多数の短冊状切断片１０ｃとした。Then, the fiber-reinforced thermoplastic resin sheet 10b is provided with a slitter 30 and a rotary cutter 31.
Was cut into strips to obtain a large number of strips 10c having a length (length direction) of 20 mm and a width of 3 mm.
【００３１】この短冊状切断片１０ｃを、タンク４０内
の下方に設けられたロータリーフィーダー４１から、シ
ート状樹脂含有繊維材１０ａの上に散布した。この短冊
状切断片１０ｃは、その縦方向（繊維の配向方向）がシ
ート状樹脂含有繊維材１０ａの長さ方向（繊維の配向方
向）とほぼ直角になるように散布された。さらに、その
上に上記シート状樹脂含有繊維材１０ａと全く同じ方法
で作製されたシート状樹脂含有繊維材１０ｄを重ね合わ
せた。The strip-shaped cut pieces 10c were scattered on the sheet-shaped resin-containing fiber material 10a from the rotary feeder 41 provided in the lower portion of the tank 40. The strip-shaped cut pieces 10c were scattered so that the longitudinal direction (fiber orientation direction) was substantially perpendicular to the length direction (fiber orientation direction) of the sheet-shaped resin-containing fiber material 10a. Further, a sheet-shaped resin-containing fiber material 10d manufactured by the same method as that of the sheet-shaped resin-containing fiber material 10a was superposed thereon.
【００３２】こうして形成された重ね合せ体１０１を、
２０５℃の上下一対の加熱ロール５０により加熱加圧し
て一体化し、その後２５℃の一組の冷却ロール６０によ
り冷却し、耳切りカッター７０で両耳部を切断して繊維
複合シート１００を製造した。The superposed body 101 thus formed is
A pair of upper and lower heating rolls 50 at 205 ° C. are used to heat and pressurize them to integrate them, then they are cooled by a set of cooling rolls 60 at 25 ° C., and both ears are cut by a trimming cutter 70 to manufacture the fiber composite sheet 100. .
【００３３】得られた繊維複合シート１００は、長さ方
向及び幅方向に高い強度と低い熱伸縮性を有し、外観の
優れたものであった。The fiber composite sheet 100 thus obtained had high strength and low thermal stretchability in the length direction and the width direction, and had an excellent appearance.
【００３４】実施例２ 多数の連続長繊維で補強された繊維補強熱可塑性樹脂シ
ート１０ｂとして、実施例１で回収した両耳部の繊維複
合シートを使用した。それ以外は実施例１と同様に行っ
た。 Example 2 As the fiber-reinforced thermoplastic resin sheet 10b reinforced with a large number of continuous long fibers, the fiber composite sheet for both ears collected in Example 1 was used. Other than that was performed like Example 1.
【００３５】この場合も、得られた繊維複合シート１０
０は、実施例１で得られた繊維複合シートと同様に、長
さ方向及び幅方向に高い強度と低い熱伸縮性を有し、外
観の優れたものであった。Also in this case, the obtained fiber composite sheet 10
Similar to the fiber composite sheet obtained in Example 1, 0 had high strength and low thermal stretchability in the length direction and the width direction, and had an excellent appearance.
【００３６】[0036]
【発明の効果】上述の通り、この発明の繊維複合シート
の製造方法は、多数の連続長繊維に熱可塑性樹脂粉末を
付着させたシート状樹脂含有繊維材の上に、多数の連続
長繊維で補強された繊維補強熱可塑性樹脂シートの短冊
状切断片を、この短冊状切断片の繊維の配向方向が上記
シート状樹脂含有繊維材の繊維の配向方向と一致しない
ように散布し、これを加熱加圧して熱可塑性樹脂を溶融
させ一体化するもので、従来のネット状補強繊維を用い
る方法に比べ、低コストで製造することができる。As described above, according to the method for producing a fiber composite sheet of the present invention, a large number of continuous long fibers are formed on a sheet-shaped resin-containing fiber material in which thermoplastic resin powder is adhered to a large number of continuous long fibers. The strip-shaped cut pieces of the reinforced fiber-reinforced thermoplastic resin sheet are sprinkled so that the fiber orientation direction of the strip-shaped cut pieces does not match the fiber orientation direction of the sheet-shaped resin-containing fiber material, and this is heated. Since the thermoplastic resin is fused under pressure to be integrated, it can be manufactured at a lower cost than the conventional method using a net-like reinforcing fiber.
【００３７】特に、繊維補強熱可塑性樹脂シートの短冊
状切断片として、繊維複合シートの耳部のスクラップを
使用することができるので、より一層低コストで繊維複
合シートを製造することができるという利点がある。In particular, since the scrap of the ear portion of the fiber composite sheet can be used as the strip-shaped cut piece of the fiber reinforced thermoplastic resin sheet, the fiber composite sheet can be manufactured at an even lower cost. There is.
【図１】この発明方法の一例を示す説明図である。FIG. 1 is an explanatory diagram showing an example of the method of the present invention.
１１ 多数の連続長繊維 １２ 熱可塑性樹脂粉末 ２０ 流動槽 １０ａ 下側のシート状樹脂含有繊維材 １０ｂ 繊維補強熱可塑性樹脂シート １０ｃ 短冊状切断片 １０ｄ 上側のシート状樹脂含有繊維材 ３０ スリッター ３１ ロータリーカッター ４１ ロータリーフィーダー ５０ 一対の加熱ロール ６０ 一組の冷却ロール １００ 繊維複合シート 11 Many continuous long fibers 12 Thermoplastic resin powder 20 Flow tank 10a Lower sheet-shaped resin-containing fiber material 10b Fiber-reinforced thermoplastic resin sheet 10c Strip-shaped cut piece 10d Upper sheet-shaped resin-containing fiber material 30 Slitter 31 Rotary cutter 41 rotary feeder 50 pair of heating rolls 60 one set of cooling rolls 100 fiber composite sheet
Claims (1)
付着させたシート状樹脂含有繊維材の上に、多数の連続
長繊維で補強された繊維補強熱可塑性樹脂シートの短冊
状切断片を、この短冊状切断片の繊維の配向方向が上記
シート状樹脂含有繊維材の繊維の配向方向と一致しない
ように散布し、これを加熱加圧して熱可塑性樹脂を溶融
させ一体化することを特徴とする繊維複合シートの製造
方法。1. Strip-shaped cut pieces of a fiber-reinforced thermoplastic resin sheet reinforced with a large number of continuous long fibers are provided on a sheet-shaped resin-containing fiber material in which a large number of continuous long fibers are adhered with a thermoplastic resin powder. Characterized in that the strip-shaped cut pieces are sprayed so that the orientation direction of the fibers does not match the orientation direction of the fibers of the sheet-shaped resin-containing fiber material, and this is heated and pressed to melt and integrate the thermoplastic resin. And a method for producing a fiber composite sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6292907A JPH08150691A (en) | 1994-11-28 | 1994-11-28 | Manufacture of fiber composite sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6292907A JPH08150691A (en) | 1994-11-28 | 1994-11-28 | Manufacture of fiber composite sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08150691A true JPH08150691A (en) | 1996-06-11 |
Family
ID=17787947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6292907A Pending JPH08150691A (en) | 1994-11-28 | 1994-11-28 | Manufacture of fiber composite sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08150691A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101975003B1 (en) * | 2017-11-14 | 2019-05-07 | 주식회사 이지컴퍼지트 | Apparatus for manufacturing hybrid prepreg chip, Hybrid prepreg chip by the same, Method for manufacturing chip mat using the same and Chip Mat by the same |
| CN110126157A (en) * | 2019-06-20 | 2019-08-16 | 山东拓研新材料科技有限公司 | A kind of preparation process of novel functional hot melt adhesive film |
-
1994
- 1994-11-28 JP JP6292907A patent/JPH08150691A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101975003B1 (en) * | 2017-11-14 | 2019-05-07 | 주식회사 이지컴퍼지트 | Apparatus for manufacturing hybrid prepreg chip, Hybrid prepreg chip by the same, Method for manufacturing chip mat using the same and Chip Mat by the same |
| CN110126157A (en) * | 2019-06-20 | 2019-08-16 | 山东拓研新材料科技有限公司 | A kind of preparation process of novel functional hot melt adhesive film |
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