JP3223066U - Expanded fabric of polymer composite material and method for producing the same - Google Patents
Expanded fabric of polymer composite material and method for producing the same Download PDFInfo
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Abstract
【課題】低い目付け重量と低い樹脂の含有量を有し、かつ取り扱いやすい拡繊紗を使って製織された、厚さがより薄くて品質がより向上した高分子複合材料の拡繊織物を提供する。【解決手段】熱可塑性高分子化合物を基材２０とする拡繊紗で製織された高分子複合材料の拡繊織物であって、単一方向に揃えた多数本の繊維１０を含み、拡繊紗の目付け重量が７０ｇ／ｍ２〜１６０ｇ／ｍ２であり、拡繊紗の幅が１００ｃｍ以下であり、拡繊紗の樹脂３０の含有量が３０％〜５０％である。【選択図】図１PROBLEM TO BE SOLVED: To provide a spread fabric of a polymer composite material having a low weight per unit weight and a low resin content and woven using a spread cocoon that is easy to handle and having a thinner thickness and improved quality. To do. A fiber woven fabric of a polymer composite material woven by a fiber wrap using a thermoplastic polymer compound as a base material 20 and including a large number of fibers 10 aligned in a single direction. The weight of the folds is 70 g / m 2 to 160 g / m 2, the width of the spread fold is 100 cm or less, and the content of the resin 30 of the spread fold is 30% to 50%. [Selection] Figure 1
Description
本考案は、材料を可塑性の状態下で成型するものであり、特に高分子複合材料である拡繊織物の可塑性の状態下での成型に関するものである。 The present invention relates to molding a material in a plastic state, and particularly relates to molding of a woven fabric that is a polymer composite material in a plastic state.
従来の熱硬化拡繊紗は、製造過程中に用いられる熱硬化高分子予浸材における熱硬化性樹脂が常温状態で粘り気があることから、予浸材を巻き取る際にべとつくことを防ぐため、表面に剥離シートで覆っておくので、後からこの予浸材を使用する時に、またその剥離シートを剥がす必要があり、さらに、引き続き製造過程中に熱硬化性樹脂が硬化することを防ぐために、低温状態に保持しなければならない。尚、この方法によれば、予浸材を加熱硬化させることから、べとつかなくなるものの、互いに直接に付着させることもできなくなることから、再度含浸させたり、可塑性材料を添加したりしなければ積み重ねて加圧成形することができないので、生産性に不向きである。 The conventional thermosetting fiber spreader is used to prevent stickiness when winding the presoaked material because the thermosetting resin in the thermosetting polymer presoaked material used during the manufacturing process is sticky at room temperature. In order to prevent the thermosetting resin from being cured during the manufacturing process, it is necessary to peel off the release sheet when using this pre-soaking material later. Must be kept at low temperature. According to this method, since the pre-soaked material is hardened by heating, it becomes sticky, but it cannot be directly adhered to each other. Therefore, if it is not impregnated again or a plastic material is not added, it is stacked. Since it cannot be pressure-molded, it is not suitable for productivity.
また、従来の熱可塑性拡繊紗は、寸法の安定性に劣るので、生産に適していない。 In addition, conventional thermoplastic spreaders are not suitable for production because of poor dimensional stability.
ほかにも、現在の業界では、幅がさらに広く厚さがさらに薄い拡繊紗の要望があるので、いかに拡繊織物の原料の厚さを薄く、幅を広くするかが現在の製造方法における課題であった。 In addition, in the current industry, there is a demand for a wider and thinner spreader, so how to reduce the width and width of the raw material of the spread fabric is the current manufacturing method. It was an issue.
本考案は、上記の問題に鑑みてなされたものであり、その主な目的は、低い目付け重量と低い樹脂の含有量を有し、かつ取り扱いやすい拡繊紗を使って製織された、厚さがより薄くて品質がより向上した高分子複合材料の拡繊織物を提供することにある。 The present invention has been made in view of the above problems, and its main purpose is to have a low weight per unit area and a low resin content, and to be woven using an easy-to-handle spreader. An object of the present invention is to provide a woven fabric of a polymer composite material that is thinner and has higher quality.
熱可塑性高分子化合物を基材とする拡繊紗で製織された高分子複合材料の拡繊織物であって、単一方向に揃えた多数本の繊維を含み、
前記拡繊紗の目付け重量が７０ｇ／ｍ２〜１６０ｇ／ｍ２であり、
前記拡繊紗の幅が１００ｃｍ以下であり、
前記拡繊紗の樹脂の含有量が３０％〜５０％であることを特徴とする。
A woven fabric of a polymer composite material woven with a stencil using a thermoplastic polymer compound as a base material, comprising a large number of fibers aligned in a single direction,
Basis weight by weight of the fiber spreading gauze is 70g / m 2 ~160g / m 2 ,
The width of the spreader is 100 cm or less,
The resin content of the expanded fiber is 30% to 50%.
前記拡繊紗の目付け重量が７０ｇ／ｍ２〜１００ｇ／ｍ２であることが好ましい。 It is preferred basis weight by weight of the fiber spreading gauze is 70g / m 2 ~100g / m 2 .
前記拡繊紗の樹脂の含有量が３２％〜４７％であることが好ましい。 It is preferable that the resin content of the spreader is 32% to 47%.
本考案が提供した技術手段には、以下のメリットを有する。
１、本考案に係る拡繊紗が低い目付け重量と低い樹脂の含有量の特徴を持つことで、厚さを低減させると共に、幅を広げることができるので、この拡繊紗を使って製織された高分子複合材料の拡繊織物は、厚さをより薄くする目的を達成できる。
２、本考案は、熱可塑性高分子化合物を予浸材の基材とするが、予浸材は定型ステップで焼いた後すでに乾燥の状態となっていることから、べたつかないので、裁断作業がしやすく、更に、その後の工程においても、常温の状態で生産することができることから、材料が取り扱いやすく、作業効率を高められるので、製造コストの低減を達成できる。
３、本考案に係る高分子複合材料の拡繊織物を製造する時は、異なる方向の応力要求に応じて、複数枚の予浸材を所要の異なる角度に積み重ねて加圧してから裁断および製織し、それによれば、従来技術と比べると、再度含浸したり、可塑性材料を添加したりする必要がなく、完成後、短時間加熱するだけで定型させることができると共に、織物の図柄を維持することもできるので、製織における設計自由度や作業の利便性を向上させることができる。
４、拡繊ステップにおいては、単一方向に揃えた強化繊維に対して拡繊作業を行い、それぞれの繊維を拡繊する際に、隣接する繊維同士を当接させて互いの移動を制限することで、拡繊する時の寸法の均一性を向上させ、製品の目付け重量をより均一にし、拡繊紗の厚さに対するハンドリング性を高めることで、拡繊紗の厚さをさらに低減させるので、製織された本考案の高分子複合材料の拡繊織物の厚さをより薄くできる。
５、含浸ステップにおいて、拡繊された繊維を、熱可塑性高分子化合物である基材の内に均一に含浸させて、高分子複合材料の拡繊織物を得る。
６、本考案は、前述した製造方法の改善によって完成させた高分子複合材料の予浸材の幅は、１００ｃｍとすることが可能であることから、裁断時に、より多く本数の帯状の拡繊紗が得られる。故に、高分子複合材料の拡繊織物の生産量を増やせる上、裁断時における繊維の保全性を高め、誤差を低減させることができるので、高分子複合材料の拡繊織物の品質向上を図ることができる。
７、本考案に係る高分子複合材料の拡繊織物の製造方法は、現在市販されている設備に適用できるので、現有の設備を大幅に移設したり、変更しなくても、製品の品質を向上させる目的を達成する。
The technical means provided by the present invention has the following merits.
1. Since the spreader according to the present invention has the features of low weight per unit area and low resin content, the thickness can be reduced and the width can be widened. Further, the expanded fabric of the polymer composite material can achieve the purpose of reducing the thickness.
2. The present invention uses a thermoplastic polymer compound as a base material for the pre-soaking material, but since the pre-soaking material is already in a dry state after being baked in a standard step, it is not sticky. Furthermore, since it can be produced at room temperature in the subsequent steps, the material is easy to handle and the work efficiency can be increased, so that the manufacturing cost can be reduced.
3. When manufacturing the expanded fabric of the polymer composite material according to the present invention, according to the stress requirements in different directions, a plurality of pre-soaked materials are stacked at different angles and pressed, and then cut and weaved. According to this, as compared with the prior art, it is not necessary to impregnate again or add a plastic material, and after completion, it can be shaped simply by heating for a short time, and the design of the fabric is maintained. Therefore, it is possible to improve design flexibility and work convenience in weaving.
4. In the fiber expansion step, fiber expansion work is performed on reinforcing fibers aligned in a single direction, and when each fiber is expanded, adjacent fibers are brought into contact with each other to restrict mutual movement. As a result, the thickness of the spreader is further reduced by improving the uniformity of dimensions when spreading, making the weight of the product more uniform, and improving the handleability of the spreader. Thus, the thickness of the woven fabric of the woven polymer composite material of the present invention can be made thinner.
5. In the impregnation step, the expanded fiber is uniformly impregnated into the base material which is a thermoplastic polymer compound to obtain a expanded fabric of a polymer composite material.
6. In the present invention, the width of the pre-soaked polymer composite material completed by the improvement of the manufacturing method described above can be set to 100 cm. A cocoon is obtained. Therefore, it is possible to increase the production volume of the expanded fabric of the polymer composite material, increase the fiber maintenance at the time of cutting, and reduce the error, thereby improving the quality of the expanded fabric of the polymer composite material. Can do.
7. The method for producing a fiber woven fabric of a polymer composite material according to the present invention can be applied to equipment that is currently on the market, so that the quality of the product can be improved without having to relocate or change existing equipment. Achieve the purpose of improvement.
本考案の技術特徴及び実用的な効果を深く理解できるように、且つ考案の内容に従って実現できるように、図面に示す好ましい実施形態によって、以下のとおり詳細に説明する。 In order that the technical features and practical effects of the present invention can be fully understood and realized in accordance with the content of the present invention, the present invention will be described in detail with reference to preferred embodiments shown in the drawings.
図２に示すように、本考案に係る高分子複合材料の拡繊織物の製造方法は、拡繊ステップＳ１と、含浸ステップＳ２と、定型ステップＳ３と、裁断ステップＳ４と、製織ステップＳ５と、を含む。 As shown in FIG. 2, the method for producing a woven fabric of a polymer composite material according to the present invention includes a spreading step S1, an impregnation step S2, a standard step S3, a cutting step S4, a weaving step S5, including.
そのうち拡繊ステップＳ１においては、単一方向に揃えた複数本の繊維１０を、加熱した拡繊棒に送り通過させ、該拡繊棒の張力によって、該繊維１０を所要の幅の寸法に至るまで拡繊させ、拡繊後、該複数本の繊維１０を、単一方向に揃えた繊維からなる単一の平面に形成する。尚、ここでの前記複数本の繊維１０は、炭素繊維やガラス繊維などの任意の強化繊維であってもよく、ここでの前記拡繊棒の温度は、８０℃〜１２０℃であり、前記繊維と水平面との角度は１０°〜７０°であることが好ましい。 Among them, in the fiber spreading step S1, a plurality of fibers 10 aligned in a single direction are passed through a heated fiber spreading rod, and the fiber 10 reaches the required width by the tension of the fiber spreading rod. The fibers 10 are expanded to a single plane composed of fibers aligned in a single direction. The plurality of fibers 10 here may be any reinforcing fiber such as carbon fiber or glass fiber, and the temperature of the spreader here is 80 ° C. to 120 ° C., The angle between the fiber and the horizontal plane is preferably 10 ° to 70 °.
前記含浸ステップＳ２においては、前記拡繊された繊維１０を基材２０に浸して予浸材とする。また、前記基材２０は、熱可塑性樹脂であり、該熱可塑性樹脂が高流動性の特徴を持つことにより、該拡繊された繊維１０を充分に含浸させる。尚、本考案の好適な実施例では、前記熱可塑性樹脂の粘度は、２０００〜３００００ｃｐｓであることが好ましい。 In the impregnation step S2, the expanded fiber 10 is immersed in the base material 20 to obtain a presoak material. Moreover, the base material 20 is a thermoplastic resin, and the expanded fiber 10 is sufficiently impregnated by the thermoplastic resin having a high fluidity characteristic. In a preferred embodiment of the present invention, the thermoplastic resin preferably has a viscosity of 2000 to 30000 cps.
前記定型ステップＳ３においては、前記形成された予浸材を焼いて乾燥させる。尚、このステップにおいては、予浸材を整経ビームに巻き取っておき、後の工程を行う際に使用する。 In the standard step S3, the pre-soaked material formed is baked and dried. In this step, the pre-soaked material is wound around the warping beam and used when the subsequent process is performed.
前記裁断ステップＳ４においては、前記乾燥された予浸材を所要の寸法によって繊維の方向に沿って一本以上の帯状の拡繊紗に裁断する。尚、このステップにおいては、該乾燥された複数枚の予浸材を所要の異なる角度に積み重ねて加圧してから、さらに所要の寸法によって一本以上の帯状の拡繊紗に裁断することもできる。 In the cutting step S4, the dried pre-soaked material is cut into one or more strip-shaped expansion ridges along the direction of the fiber according to a required dimension. In this step, the plurality of dried pre-soaked materials can be stacked and pressed at different required angles, and further cut into one or more strip-shaped spreaders according to the required dimensions. .
図３では、図面の左側が乾燥済みの予浸材が巻き取られた材料であり、該材料を左から右に向かって裁断して、複数本の帯状の拡繊紗とする。尚、ここでの乾燥済みの予浸材の最大幅Ｗは、１００ｃｍであり、裁断された各帯状の拡繊紗の予浸材の幅Ｌは、少なくとも０.５ｃｍである。 In FIG. 3, the left side of the drawing is a material wound with a dried pre-soaked material, and the material is cut from the left to the right to form a plurality of band-shaped fiber folds. Here, the maximum width W of the dried presoaked material here is 100 cm, and the width L of the presoaked material of each strip-shaped spread fiber ridge is at least 0.5 cm.
前記製織ステップＳ５においては、前記裁断された拡繊紗を設計の要望に応じて製織作業を行い、さらに短時間で加熱させることで織物の図柄を維持させることにより、本考案の高分子複合材料の拡繊織物を完成させる。尚、ここでのステップにおける定型加熱の温度はガラス転移温度より高い。 In the weaving step S5, the cut fiber spreader is subjected to a weaving operation in accordance with a design request, and is further heated in a short time to maintain the pattern of the woven fabric. To complete the fabric. In addition, the temperature of the fixed heating in the step here is higher than the glass transition temperature.
図１は、前記乾燥された予浸材の断面を顕微鏡で観察した状態を示すものであり、その中の白い点は、各繊維１０の断面であり、色がやや薄く、また、該複数本の繊維１０の間に分布するのが基材２０であり、図１の上部と下部における黒い部分が観測しやすくするために添加したエポキシ樹脂である。尚、図１では、前記基材２０が前記複数本の繊維１０の内部に充分に含浸されていることが分かる。 FIG. 1 shows a state in which a cross section of the dried pre-soaked material is observed with a microscope, and white dots in it are cross sections of the fibers 10, the color is slightly light, and the plurality The base material 20 is distributed among the fibers 10 and is an epoxy resin added so that the black portions in the upper and lower parts of FIG. 1 can be easily observed. In FIG. 1, it can be seen that the base material 20 is sufficiently impregnated inside the plurality of fibers 10.
図４は、前記拡繊紗に色を付け、さらに該拡繊紗を縦横交互に編み込んで形成した高分子複合材料の拡繊織物を示すものである。 FIG. 4 shows a woven fabric of a polymer composite material formed by coloring the expanded fold and further weaving the expanded fold alternately in the vertical and horizontal directions.
図５は、裁断された予浸材を設計によって製織した高分子複合材料の拡繊織物を示すものである。 FIG. 5 shows a woven fabric of a polymer composite material in which a cut presoak material is woven by design.
本考案に係る製造方法によって作られた高分子複合材料の拡繊織物は、拡繊紗により製織されるものであり、該拡繊紗は、以下に示す特徴を含む。つまり、複数本の繊維１０と基材２０とを含み、該複数本の繊維１０を単一方向に揃える。尚、前記各繊維は、炭素繊維やガラス繊維などの任意の強化繊維であってもよく、基材２０は熱可塑性樹脂である。また、該拡繊紗の目付け重量は、７０ｇ／ｍ２〜１６０ｇ／ｍ２であり、樹脂の含有量は、３０％〜５０％であり、幅は、１００ｃｍである。 The expanded fabric of the polymer composite material produced by the production method according to the present invention is woven by a expanded fold, and the expanded fold includes the following characteristics. That is, the plurality of fibers 10 and the base material 20 are included, and the plurality of fibers 10 are aligned in a single direction. Each fiber may be any reinforcing fiber such as carbon fiber or glass fiber, and the base material 20 is a thermoplastic resin. Also, the basis weight by weight of the enlarged繊紗is 70g / m 2 ~160g / m 2 , the content of the resin is 30% to 50%, width is 100 cm.
より好ましくは、前記拡繊紗の目付け重量が７０ｇ／ｍ２〜１６０ｇ／ｍ２であり、樹脂の含有量が３２％〜４７％であり、この状態で作られた製品は、予浸材の厚さを最も有効に低減させることができると共に、安定した歩留まりが得られるので、本考案に係る高分子複合材料の拡繊織物の品質を向上させることができる。 More preferably, basis weight weight of the fiber spreading gauze is is 70g / m 2 ~160g / m 2 , a 32% to 47% content of the resin, products made in this state, the pre-soaked material Since the thickness can be reduced most effectively and a stable yield can be obtained, the quality of the expanded fabric of the polymer composite material according to the present invention can be improved.
本考案に係る拡繊紗が低い目付け重量と低い樹脂の含有量の特徴を持つことで、厚さを低減させると共に、幅を広げることができるので、この拡繊紗を使って製織された高分子複合材料の拡繊織物は、厚さをより薄くする目的を達成できる。 Since the spreader according to the present invention has the features of low weight per unit area and low resin content, the thickness can be reduced and the width can be expanded. The expanded fabric of the molecular composite material can achieve the purpose of reducing the thickness.
熱硬化高分子化合物を基材とする予浸材は、常温下の樹脂がべたつく問題を防ぐため、剥離シートを使用する必要があり、また、低温環境を維持しながら引き続き製造工程を行う面倒もある。それに比べ、本考案は、熱可塑性高分子化合物を予浸材の基材とするが、予浸材は定型ステップで焼いた後すでに乾燥の状態となっていることから、べたつかないので、裁断作業がしやすく、更に、その後の工程においても、常温で生産することができることから、材料が取り扱いやすく、作業効率を高められるので、製造コストの低減を達成できる。 Pre-soaking materials based on thermosetting polymer compounds require the use of a release sheet to prevent the stickiness of resins at room temperature, and the trouble of continuing the manufacturing process while maintaining a low-temperature environment is there. In contrast, the present invention uses a thermoplastic polymer compound as the base material for the pre-soaking material, but since the pre-soaking material is already dry after being baked in a standard step, it is not sticky. In addition, since it can be produced at room temperature in the subsequent steps, the material is easy to handle and the work efficiency can be increased, so that the manufacturing cost can be reduced.
本考案に係る高分子複合材料の拡繊織物を製造する時は、異なる方向の応力要求に応じて、複数枚の予浸材を所要の異なる角度に積み重ねて加圧してから裁断および製織し、それによれば、従来技術と比べると、再度含浸したり、可塑性材料を添加したりする必要がなく、完成後、短時間加熱するだけで定型させることができると共に、織物の図柄を維持することもできるので、製織における設計自由度や作業の利便性を向上させることができる。 When producing a fiber woven fabric of a polymer composite material according to the present invention, according to stress requirements in different directions, a plurality of pre-soaking materials are stacked and pressed at different angles, and then cut and woven. According to it, compared with the prior art, it is not necessary to impregnate again or add a plastic material, and after completion, it can be shaped by simply heating for a short time, and the design of the fabric can be maintained. Therefore, the design freedom in weaving and the convenience of work can be improved.
拡繊ステップＳ１においては、単一方向に揃えた強化繊維に対して拡繊作業を行い、それぞれの繊維を拡繊する際に、隣接する繊維同士を当接させて互いの移動を制限することで、拡繊された製品の幅と目付け重量を均一とし、製織された本考案の高分子複合材料の拡繊織物の厚を調整可能とする。 In the fiber expansion step S1, fiber expansion work is performed on the reinforcing fibers aligned in a single direction, and when each fiber is expanded, adjacent fibers are brought into contact with each other to restrict mutual movement. Thus, the width and the basis weight of the expanded product are made uniform, and the thickness of the expanded fabric of the polymer composite material of the present invention woven can be adjusted.
含浸ステップＳ２において、拡繊された繊維を、熱可塑性高分子化合物である基材の内に均一に含浸させて、高分子複合材料の拡繊織物を得る。 In the impregnation step S2, the expanded fiber is uniformly impregnated into the base material, which is a thermoplastic polymer compound, to obtain a expanded fabric of a polymer composite material.
本考案は、前述した製造方法の改善によって完成させた高分子複合材料の予浸材の幅は、１００ｃｍとすることが可能であることから、裁断時に、より多く本数の帯状の拡繊紗が得られる。故に、高分子複合材料の拡繊織物の生産量を増やせる上、裁断時における繊維の保全性を高め、誤差を低減させることができるので、高分子複合材料の拡繊織物の品質向上を図ることができる。 In the present invention, since the width of the pre-soaked polymer composite material completed by the improvement of the manufacturing method described above can be set to 100 cm, a larger number of strip-shaped fiber folds can be formed at the time of cutting. can get. Therefore, it is possible to increase the production volume of the expanded fabric of the polymer composite material, increase the fiber maintenance at the time of cutting, and reduce the error, thereby improving the quality of the expanded fabric of the polymer composite material. Can do.
本考案に係る高分子複合材料の拡繊織物の製造方法は、現在市販されている設備に適用できるので、現有の設備を大幅に移設したり、変更しなくても、製品の品質を向上させる目的を達成する。 Since the method for producing a fiber woven fabric of a polymer composite material according to the present invention can be applied to facilities that are currently on the market, the quality of products can be improved without having to relocate or change existing facilities. Achieve the goal.
以上の説明は、本考案の好ましい実施形態に過ぎず、本考案に対して何ら限定を行うものではない。本考案について、比較的好ましい実施形態をもって上記のとおり開示したが、これは本考案を限定するものではなく、すべての当業者が、本考案の技術構想を逸脱しない範囲において、本考案の技術の本質に基づいて上記の実施形態に対して行ういかなる簡単な修正、変更及び修飾も、依然としてすべて本考案の技術構想の範囲内にある。 The above description is only a preferred embodiment of the present invention and does not limit the present invention. Although the present invention has been disclosed with a relatively preferred embodiment as described above, this is not intended to limit the present invention, and all those skilled in the art will not be able to deviate from the technical concept of the present invention without departing from the technical concept of the present invention. Any simple modifications, changes and modifications made to the above embodiments based on their nature are still within the scope of the technical concept of the present invention.
１０ 繊維
２０ 基材
３０ 観察しやすいために添加されたエポキシ樹脂
Ｓ１ 拡繊ステップ
Ｓ２ 含浸ステップ
Ｓ３ 定型ステップ
Ｓ４ 裁断ステップ
Ｓ５ 製織ステップ
Ｗ 最大幅
Ｌ 裁断された拡繊紗の幅
10 Fiber 20 Substrate 30 Epoxy resin added for easy observation S1 Fiber spreading step S2 Impregnation step S3 Molding step S4 Cutting step S5 Weaving step W Maximum width L Width of the cut fiber ridge
Claims (3)
前記拡繊紗の目付け重量が７０ｇ／ｍ２〜１６０ｇ／ｍ２であり、
前記拡繊紗の幅が１００ｃｍ以下であり、
前記拡繊紗の樹脂の含有量が３０％〜５０％であることを特徴とする高分子複合材料の拡繊織物。 A woven fabric of a polymer composite material woven with a stencil using a thermoplastic polymer compound as a base material, comprising a large number of fibers aligned in a single direction,
Basis weight by weight of the fiber spreading gauze is 70g / m 2 ~160g / m 2 ,
The width of the spreader is 100 cm or less,
The expanded fiber fabric of a polymer composite material, wherein the resin content of the expanded fiber is 30% to 50%.
2. The spread fabric of a polymer composite material according to claim 1, wherein the resin content of the spread kit is 32% to 47%.
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