TW410196B - The method of fabricating a thermoplastic composite product with braiding - Google Patents

The method of fabricating a thermoplastic composite product with braiding Download PDF

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TW410196B
TW410196B TW87118571A TW87118571A TW410196B TW 410196 B TW410196 B TW 410196B TW 87118571 A TW87118571 A TW 87118571A TW 87118571 A TW87118571 A TW 87118571A TW 410196 B TW410196 B TW 410196B
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scope
item
composite material
texture
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TW87118571A
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Ming-Shian Sung
Shiau-Fu Shen
Guo-Shiung Wang
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Plastics Industry Dev Ct
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Abstract

This invention provides a method of fabricating a thermoplastic composite product with braiding, especially that said method has high processing efficiency and the formation material fabricated utilizing said method has the advantage of with braiding, high toughness as well as recovery reusage.

Description

410196 五、發明說明(1) 發明領域 本發明關於一種用於製備具織物紋路熱塑性複合材料 成型品之方法,尤其關於一種利用沖壓成型製備具織物紋 路熱塑性複合材料成型品之方法。 發明背景 隨著世界 生產製程簡化 物性上的優越 子複合材料在 目前,熱 工業、運動器 法多是利用平 塑膠所形成之 的韌性及彈性 熱塑性高 與熱固性塑膠 複合材料在沖 會與熱固性複 本發明之 物紋路熱塑性 法所製備熱塑 塑性複合材料 他物性上的優 潮流,產品 趨勢的要求 性,能達到 各領域的應 固性高分子 材及交通運 積層及熱壓 複合材料, 分子複合材 複合材料基 壓成型之加 合材料熱壓 目的在提供 複合材料成 性複合材料 成型品,除 點外,更因 趨向於輕、薄、短、小,以及其 ,加上高分子複合材料材料本身 產品輕量化的目的,而使得高分 用上愈來愈普遍。 複合材料已廣泛地被應用於航太 輸工業等之各個領域,其加工方 成型來進行。利用纖維織物補強 其在應用上更可提升所製成產品 料,由於其 材特性差異 工方法、操 成型之加工 一種利用沖 型品之方法 成型品,特 了具有複合 其所被含浸 本身熱塑性 之緣故,使 作條件、操 有很大的不 壓成型技術 。藉由本發 別是纖維織 材料製品之 之纖維織物 塑膠基材 得熱塑性 作程序上 同。 製備具織 明提供方 物補強熱 韌性及其 具有如+ C:\Program Files\Patent\pidl866.ptd 第 4 頁 410196410196 V. Description of the invention (1) Field of the invention The present invention relates to a method for preparing a thermoplastic composite material with a textile texture, and more particularly to a method for preparing a thermoplastic composite material with a textile texture by stamping. BACKGROUND OF THE INVENTION As the world's production process simplifies the superior physical properties of composite materials. At present, the thermal industry and exerciser methods mostly use flat plastics to form tough and elastic thermoplastic high and thermosetting plastic composite materials. Thermoplastic composite materials produced by the thermoplastic method of other materials have excellent physical properties and product trends, and can meet the requirements of solid polymer materials in various fields, transportation layers, thermocompression composite materials, and molecular composite materials. The purpose of hot pressing of admixtures based on material-based compression molding is to provide composite molded products of composite materials. In addition to points, they tend to be light, thin, short, and small, as well as the products of polymer composite materials themselves The purpose of weight reduction makes high scores more and more common. Composite materials have been widely used in various fields such as the aerospace industry, and the processing side is used for molding. The use of fiber fabrics to enhance its application can further improve the product materials. Due to the differences in material properties, processing methods, and molding processing, a method of forming products using punching products has the special characteristics of compounding the thermoplastic properties of the materials. For this reason, there is a great deal of non-compression molding technology for working conditions and operations. By the present invention, the fibrous fabric, the plastic substrate of the fibrous woven material product, the thermoplastic operation procedure is the same. Prepared by a textile supplier to strengthen the heat and toughness and have properties such as + C: \ Program Files \ Patent \ pidl866.ptd page 4 410196

五、發明說明(2) 紋、斜紋、緞紋、針織紋路與編織紋路等形式之織物紋 路’所以使該成型品在視覺上亦有特別的立體效果,提古 產品之附加價值。此外,該方法所製備之志刑〇 间 叫i 〇〇吓具有可 回收再利用之優點。 、汽、機車 安全帽、 箱、家具 零 擋 等 本發明所提供之技術,適用於製備自行車 配件(如自行車飛輪保護盤、煞車器保護片、 泥板、腳踏曲柄及坐塾等),亦適用於製備皮 需兼具美觀及韌性之物品。 發明要旨 本發明揭示一種用於製備具織物紋路熱塑性人 成型品之方法,包括下列步驟, 0材料 a) 製備纖維織物補強熱塑性塑膠複合材料片材, 該熱塑性塑膠為透明性及該纖維織物具纖物紋路;其中 b) 裁切該複合材料片材成所欲形狀; c) 預熱步驟b)裁切後之複合材料令其軟化; d) 將步驟c)預熱軟化後之複合材料在 具溫度下加以沖壓成型;以及 C之模 e)將步驟d)沖壓成型物冷卻定型,而形成— 物紋路熱塑性複合材料成型品。 規具織 於本發明所揭示方法之步驟〇令,該透明熱塑 係選自聚丙稀樹脂、聚乙烯樹脂、聚㈣酸樹脂,膠 稀樹脂、聚胺基甲酸乙酿樹脂' ㊆笨乙婦樹 乙 脂m乙稀共聚合物、乙稀1酸乙稀共V. Description of the invention (2) Fabric patterns in the form of patterns, twills, satin patterns, knitting patterns, and knitting patterns', so that the molded product also has a special three-dimensional effect visually, which adds value to ancient products. In addition, the zhijian prepared by this method is called i 00〇 scary, which has the advantage of being recyclable. , Motorcycle, motorcycle safety helmet, box, furniture zero gear and other technologies provided by the present invention are applicable to the preparation of bicycle accessories (such as bicycle flywheel protection discs, brake protection pieces, mudboards, pedal cranks and seatbelts, etc.), also It is suitable for the preparation of leather that needs both beauty and toughness. SUMMARY OF THE INVENTION The present invention discloses a method for preparing a thermoplastic man-made article with a fabric pattern, which includes the following steps: Material a) preparing a fiber fabric reinforced thermoplastic plastic composite sheet, the thermoplastic plastic being transparent and the fiber fabric having fibers Texture; b) cutting the composite sheet into a desired shape; c) preheating step b) softening the cut composite material; d) preheating and softening the composite material in step c) Press forming at temperature; and die e) of step C) cooling and shaping the press-molded product in step d) to form a thermoplastic composite material molded product. According to the steps of the method disclosed in the present invention, the transparent thermoplastic system is selected from the group consisting of polypropylene resin, polyethylene resin, polyacrylic acid resin, thin resin, and polyurethane resin. Ethylene copolymer

410196 五、發明說明(3) '~~~ --- 其組合所組成之族群;該具織物紋路之纖維織物係選自破 璃纖維布、碳纖布、克維拉(kevlar)纖維布及其混合織物 所組成之族群;該織物紋路係選自平紋、斜紋、緞紋、 織紋路、編織紋路(bra丨di ng)及其組合所組成之族群; 及複合材料片材為單層或複數層堆疊。 ^本發明所揭示之方法中,該裁切壓力為5〜2〇〇 kg/cm2 ;該裁切速度為1〇~2〇〇 mm/sec ;該預熱溫度為 100〜300 C ;該沖壓速度為丨〇〜5〇關/、“ ;該沖壓模具溫 度為30〜150 °C ;以及該沖壓壓力為5〜5〇 kg/cm2。 發明之詳細說明 本發明提供一種用於製備具織物紋路熱塑性複合材料 成型品之方法,其包括下列步驟, a) 準備單層或複數層堆疊之纖維織物補強熱塑性塑膠 複合材料片材’其中該熱塑性塑膠為透明性及該纖維布具 織物紋路; ' b) 在5〜2 00 kg/cm2裁切壓力和1〇〜200 mm/sec裁切速 度下’將該複合材料片材裁切成產品所需之大小及形狀; c) 送入一加熱裝置中,在10〇〜3〇〇 ^的溫度範圍下預 熱該裁切後之複合材料片材,令其軟化但不垂流; d) 將預熱軟化後之複合材料片材在1〇〜50 mm/sec之沖 壓速度、5~50 1^/(;1112之沖壓壓力及3〇~150。(:的模具溫度 下,加以沖壓成型;以及 e) 將該沖壓成型物在20 °C/min之冷卻速度及低於該塑410196 V. Description of the invention (3) '~~~ --- the group consisting of the combination; the fiber fabric with the fabric texture is selected from the group consisting of broken glass fiber cloth, carbon fiber cloth, kevlar fiber cloth and A group of mixed fabrics; the fabric pattern is selected from the group consisting of plain weave, twill, satin, woven pattern, bra 丨 di ng, and combinations thereof; and the composite material sheet is a single layer or a plurality of layers Stacked. ^ In the method disclosed in the present invention, the cutting pressure is 5 to 200 kg / cm2; the cutting speed is 10 to 200 mm / sec; the preheating temperature is 100 to 300 C; the punching The speed is 丨 0 ~ 50 ° /, "; the stamping die temperature is 30 ~ 150 ° C; and the stamping pressure is 5 ~ 50kg / cm2. DETAILED DESCRIPTION OF THE INVENTION The present invention provides a method for preparing a textured fabric A method for molding a thermoplastic composite material, comprising the following steps: a) preparing a single layer or a plurality of stacked fiber fabrics to reinforce a thermoplastic plastic composite sheet 'wherein the thermoplastic is transparent and the fiber cloth has a fabric texture;' b ) 'Cut the composite sheet into the size and shape required by the product at a cutting pressure of 5 to 2000 kg / cm2 and a cutting speed of 10 to 200 mm / sec; c) send it into a heating device , Preheat the cut composite material sheet in a temperature range of 100 to 300, to make it soft but not drooping; d) to preheat and soften the composite material sheet at 10 to 50 mm / sec punching speed, 5 ~ 50 1 ^ / (; 1112 punching pressure and 30 ~ 150. (: at the mold temperature Be stamped; and e) the press-molding was 20 ° C / min cooling rate and lower than that of the plastic

C:\ProgramFiles\Patent\pidl866.ptd 第 6 頁 410196 五、發明說明(4) 勝軟化點之溫度下冷卻定型,形成一具織物紋路熱塑性複 合材料成型品。 實施例 (製備具平紋纖維布熱塑性複合材料之自行車飛輪保護盤 之方法) 準備一纖維布補強熱塑性塑膠複合材料片材。以2 〇嘲 之裁切機在1 0 kg/cm2之裁切壓力下,將該複合材料片材 裁切成外徑20 cm,内徑5 cm中心有孔口之圓片。先將該 圓片送入紅外線加熱器在180 °C下預熱3 min後,送人設有 加熱器之30噸油壓式沖壓機。該沖壓機需具有調整上模座 升降之調整開關、具有壓力、速度之調整開關並具有模具 急速冷卻之功能。 將該送入沖壓機之圓片以1 0 kg/cm2之沖壓壓力,2 〇 mm/sec之沖壓速度及80 °C之沖壓模具溫度等條件沖壓成 型,並以20 °C/min之冷卻速率加以冷卻。經1分鐘的冷卻 程序後加以脫膜,即製成一具斜紋纖維布熱塑性複合材料 之自行車飛輪保護盤。 另外,當製備機械性質要求較高之產品時,可將複鸯: 片該複合材料片材疊層而加以沖壓成型。 \^m\ ι^ιι C:\Program Files\Patent\pidl866. ptd 第 7 頁C: \ ProgramFiles \ Patent \ pidl866.ptd Page 6 410196 V. Description of the invention (4) Cooling and setting at the temperature of the softening point to form a thermoplastic composite material with fabric texture. Example (Method for preparing a bicycle flywheel protection disc with a plain fiber cloth thermoplastic composite material) A fiber cloth reinforced thermoplastic plastic composite material sheet was prepared. The composite material was cut into a disc with an outer diameter of 20 cm and an inner diameter of 5 cm with a hole at the center under a cutting pressure of 10 kg / cm2 with a cutting machine of 200 °. The wafer was first sent to an infrared heater for preheating at 180 ° C for 3 minutes, and then sent to a 30-ton hydraulic press equipped with a heater. The stamping machine must have an adjustment switch for adjusting the upper and lower die seats, an adjustment switch for pressure and speed, and a function of rapid cooling of the mold. The wafer fed into the punching machine was stamped at a stamping pressure of 10 kg / cm2, a stamping speed of 20 mm / sec, and a stamping die temperature of 80 ° C, and the cooling rate was 20 ° C / min. Let cool. After a 1-minute cooling procedure, the film was removed to form a bicycle flywheel protection disc with a twill fiber thermoplastic composite material. In addition, when a product with high mechanical properties is required, the composite material sheet can be laminated: and laminated and punched. \ ^ m \ ι ^ ιι C: \ Program Files \ Patent \ pidl866. ptd page 7

Claims (1)

410196 六、申請專利範圍 1. 一種用於製備具織物紋路熱塑性複合材料成型品之 方法,包括下列步驟, a) 製備纖維織物補強熱塑性塑膠複合材料片材,其中 該熱塑性塑膠為透明性及該纖維織物具纖物紋路; b) 裁切該複合材料片材成所欲形狀; c) 預熱步驟b)裁切後之複合材料令其軟化; d) 將步棘c)預熱軟化後之複合材料在之模 具溫度下加以沖壓成型;以及 ' e) 將步驟d)沖壓成型物冷卻定型,而形成一外觀具織 物紋路熱塑性複合材料成型品。 、 2 ·如申請專利範圍第1項的方法 , -· 其中該步驟a)透明 熱塑性塑膠係選自聚丙稀樹腊、$乙稀樹脂、聚丙稀酸樹 脂、聚氣乙烯誠、聚胺基甲敗Μ樹脂、聚笨乙稀樹 月二、聚醢胺樹脂、丁二稀-笨6稀共聚合物、乙稀_醋酸己 烯共聚合物及其組合所組成之埃群。 3.如申請專利範圍第1項的方法, 物紋路之纖維布係選自玻璃纖維布、' .γ /、 (keviar)纖維布及其混合織物所% \ ''' 、'夂战之族群。 專利範圍第1項的方法,其中該步驟&)之織 物紋:係選自平紋、斜紋、锻软、釺織紋路、編織紋路 (braiding)及其组合所組成之族群。410196 VI. Application for patent scope 1. A method for preparing a thermoplastic composite material molded article with fabric texture, comprising the following steps: a) preparing a fiber fabric reinforced thermoplastic plastic composite sheet, wherein the thermoplastic plastic is transparent and the fiber The fabric has a fibrous texture; b) cutting the composite material sheet into a desired shape; c) preheating step b) cutting the composite material to soften it; d) stepping the spine c) preheating and softening the composite The material is press-molded at the mold temperature; and 'e) cooling and shaping the press-molded article in step d) to form a thermoplastic composite material molded article with a fabric texture. 2.The method according to item 1 of the scope of patent application, where the step a) the transparent thermoplastic is selected from the group consisting of polypropylene wax, ethylene resin, polyacrylic acid resin, polyethylene gas, and polyurethane Methylene resin consisting of polymethylene resin, polystyrene resin, polyamide resin, butadiene-benzyl-6 copolymer, ethylene-hexene acetate copolymer and combinations thereof. 3. According to the method of claim 1 in the scope of patent application, the fiber cloth of the texture is selected from the group consisting of glass fiber cloth, '.γ /, (keviar) fiber cloth, and their mixed fabrics. . The method of item 1 of the patent, wherein the texture of the step &) is a group selected from the group consisting of plain weave, twill weave, wrought, woven texture, braiding, and combinations thereof. C:\ProgramFiles\Patent\pidl866.ptd 第 8 頁 410196 六、申請專利範圍 5.如申請專利範圍第1項的方法,其中該步驟a)之複 合材料片材為單層。 6 ·如申請專利範圍第1項的方法,其中該步驟a)之複 合材料片材為複數層堆疊。 7. 如申請專利範圍第1項的方法,其中該步驟b)之裁 切壓力為5〜200 kg/cm2。 8. 如申請專利範圍第1項的方法,其中該步驟b)之裁 切速度為10〜200 mm/sec。 9. 如申請專利範圍第1項的方法,其中該步驟c)之預 熱溫度為1 0 0〜3 0 0 °C。 10. 如申請專利範圍第1項的方法,其中該步驟d)之沖 壓速度為1 0〜5 0 m m / s e c。 11 .如申請專利範圍第1項的方法,其中該步驟d)之沖 壓壓力為5〜50 kg/cm2。 1 2 .如申請專利範圍第1項的方法,其中該步驟d)之模 具溫度為3 0〜1 5 0 °C。C: \ ProgramFiles \ Patent \ pidl866.ptd Page 8 410196 6. Scope of Patent Application 5. The method of the first scope of patent application, wherein the composite material sheet in step a) is a single layer. 6. The method according to item 1 of the scope of patent application, wherein the composite material sheet of step a) is a plurality of layers stacked. 7. The method according to item 1 of the scope of patent application, wherein the cutting pressure in step b) is 5 to 200 kg / cm2. 8. The method according to item 1 of the patent application range, wherein the cutting speed in step b) is 10 to 200 mm / sec. 9. The method according to item 1 of the patent application scope, wherein the preheating temperature of step c) is 100 to 300 ° C. 10. The method according to item 1 of the patent application range, wherein the pressing speed of step d) is 10 to 50 m m / s e c. 11. The method according to item 1 of the scope of patent application, wherein the pressing pressure in step d) is 5 to 50 kg / cm2. 12. The method according to item 1 of the scope of patent application, wherein the mold temperature in step d) is 30 ~ 150 ° C. C:\ProgramFiles\Patent\pidl866.ptd 第 9 頁C: \ ProgramFiles \ Patent \ pidl866.ptd page 9
TW87118571A 1998-11-07 1998-11-07 The method of fabricating a thermoplastic composite product with braiding TW410196B (en)

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