TW202116522A - 成形品的製造方法 - Google Patents
成形品的製造方法 Download PDFInfo
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- TW202116522A TW202116522A TW109132909A TW109132909A TW202116522A TW 202116522 A TW202116522 A TW 202116522A TW 109132909 A TW109132909 A TW 109132909A TW 109132909 A TW109132909 A TW 109132909A TW 202116522 A TW202116522 A TW 202116522A
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- 238000000034 method Methods 0.000 title claims abstract description 18
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- 238000000465 moulding Methods 0.000 claims abstract description 26
- 238000003825 pressing Methods 0.000 claims description 15
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- 238000010438 heat treatment Methods 0.000 description 9
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/504—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC] using rollers or pressure bands
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B11/00—Making preforms
- B29B11/14—Making preforms characterised by structure or composition
- B29B11/16—Making preforms characterised by structure or composition comprising fillers or reinforcement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
- B29C33/68—Release sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/0067—Using separating agents during or after moulding; Applying separating agents on preforms or articles, e.g. to prevent sticking to each other
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Abstract
本發明提供一種成形品的製造方法,其是藉由對熱硬化性預浸體進行雙帶壓製成形而獲得的成形品的製造方法,其特徵在於,於成形時所述熱硬化性預浸體被脫模膜被覆,所述預浸體的寬度比所述脫模膜的寬度小1 mm~25 mm。就抑制毛刺的產生、纖維的歪扭且寬度限制優異的方面而言,所述製造方法可適宜地用於汽車構件、鐵道車輛構件、航太飛機構件、船舶構件、住宅設備構件、體育用品構件、輕型車輛構件、建築土木構件、OA機器等的框體等。
Description
本發明是有關於一種成形品的製造方法。
關於利用碳纖維或玻璃纖維等強化纖維進行了強化的強化纖維複合材料,其輕量且耐熱性、機械強度優異的特徵備受矚目,以汽車、航空器的框體或各種構件為代表,正擴大於各種結構體用途中的利用。關於纖維強化樹脂複合材,使用如下方法:使用於強化纖維中含浸有熱硬化性樹脂的被稱為預浸體的中間材料,藉由高壓釜成形、壓製成形、纏繞成形,獲得硬化後的成形品的方法;或者藉由於纖維中含浸有熱硬化性樹脂的同時進行硬化的拉抽成形,獲得成形品的方法。
作為樹脂,一般大多使用以耐熱性、強度優異的環氧樹脂組成物為代表的熱硬化性樹脂。其中,為了獲得長條的成形物,進行拉抽成形。然而,於拉抽成形中,存在生產性低,將平板成形時的均勻性、成形品的表面性差的課題。另一方面,作為獲得長條的平板成形物的方法,研究了雙帶壓製成形。
於使用雙帶壓製將使用了以環氧樹脂組成物為代表的熱硬化性樹脂的預浸體成形的情況下,存在於在高溫下進行硬化時,預浸體軟化而纖維、預浸體中的樹脂容易橫向擴展的問題。因此,提出了藉由包含四個環形帶的上下左右面來防止纖維、樹脂的流出(例如,參照專利文獻1)。
然而,於使用所述寬度限制帶的情況下,存在樹脂、纖維流入微小的間隙,產生硬化後的毛刺,於連續成形長條成形品時環狀帶上所殘留的毛刺混入成形品、異物痕跡轉印至表面的問題。另外,作為後續步驟,需要毛刺的除去等作業,存在生產性差的問題。
[現有技術文獻]
[專利文獻]
[專利文獻1]日本專利特開平6-210745號公報
[發明所欲解決之課題]
本發明所欲解決的課題在於提供一種於雙帶壓製成形中抑制毛刺的產生、纖維的歪扭且寬度限制優異的成形品的製造方法。
[解決課題之手段]
本發明者等發現以對被脫模膜被覆的熱硬化性預浸體進行雙帶壓製成形為特徵的成形品的製造方法的成形性優異,從而完成了本發明。
即,本發明是有關於一種成形品的製造方法,是藉由對熱硬化性預浸體進行雙帶壓製成形而獲得的成形品的製造方法,其特徵在於,於成形時所述熱硬化性預浸體被脫模膜被覆,所述預浸體的寬度比所述脫模膜的寬度小1 mm~25 mm。
[發明的效果]
就成形性優異的方面而言,藉由本發明的製造方法而獲得的成形品可適宜地用於汽車構件、鐵道車輛構件、航太飛機構件、船舶構件、住宅設備構件、體育用品構件、輕型車輛構件、建築土木構件、辦公自動化(Office Automation,OA)機器等的框體等。
本發明的成形品的製造方法是藉由對熱硬化性預浸體進行雙帶壓製成形而獲得的成形品的製造方法,其特徵在於,於成形時所述熱硬化性預浸體被脫模膜被覆,所述預浸體的寬度比所述脫模膜的寬度小1 mm~25 mm。
本發明的成形方法中,由於在成形時熱硬化性預浸體被脫模膜被覆,因此即使因成形時的熱而預浸體軟化,並施加壓力的情況下,樹脂、纖維亦不會橫向擴展,而可防止預浸體附著於帶上,因此抑制毛刺的產生或纖維的歪扭,可獲得寬度限制優異的長條(2 m以上)的成形品。
所述熱硬化性預浸體含有熱硬化性樹脂組成物及強化纖維,作為熱硬化性樹脂組成物,就硬化性及成形品的層間剪切強度進一步提高的方面而言,較佳為含有自由基聚合性樹脂及聚合起始劑。
作為所述自由基聚合性樹脂,例如可列舉環氧(甲基)丙烯酸酯、胺基甲酸酯改質環氧(甲基)丙烯酸酯、胺基甲酸酯(甲基)丙烯酸酯、不飽和聚酯等,但就硬化性及成形品的層間剪切強度進一步提高的方面而言,較佳為胺基甲酸酯改質環氧(甲基)丙烯酸酯或胺基甲酸酯(甲基)丙烯酸酯。該些自由基聚合性樹脂既可單獨使用亦可併用兩種以上。
作為所述胺基甲酸酯改質環氧(甲基)丙烯酸酯,就作業性及成形品的層間剪切強度進一步提高的方面而言,較佳為藉由每一分子的平均羥基數為1.8~2.6的環氧(甲基)丙烯酸酯與每一分子的平均異氰酸酯基數為2~3的聚異氰酸酯的反應而獲得者。
所述環氧(甲基)丙烯酸酯可使環氧樹脂與(甲基)丙烯酸及/或(甲基)丙烯酸酐反應而獲得。作為用以使每一分子的平均羥基數為1.8~2.6的方法的例子,可藉由環氧樹脂的平均環氧基數、平均羥基數、以及(甲基)丙烯酸及/或(甲基)丙烯酸酐於反應時的莫耳數的設定來控制。
作為所述環氧樹脂,例如可列舉:雙酚A型環氧樹脂、雙酚F型環氧樹脂、雙酚芴型環氧樹脂、雙甲酚芴型等雙酚型環氧樹脂、苯酚酚醛清漆型環氧樹脂、甲酚酚醛清漆型環氧樹脂等酚醛清漆型環氧樹脂、噁唑啶酮改質環氧樹脂、該些樹脂的溴化環氧樹脂等酚的縮水甘油醚、二丙二醇二縮水甘油醚、三羥甲基丙烷三縮水甘油醚、雙酚A的環氧烷加成物的二縮水甘油醚、氫化雙酚A的二縮水甘油醚等多元醇的縮水甘油醚、3,4-環氧基-6-甲基環己基甲基-3,4-環氧基-6-甲基環己烷羧酸酯、1-環氧基乙基-3,4-環氧環己烷等脂環式環氧樹脂、鄰苯二甲酸二縮水甘油酯、四氫鄰苯二甲酸二縮水甘油酯、對羥基苯甲酸二縮水甘油酯、二聚酸縮水甘油酯等縮水甘油酯、四縮水甘油基二胺基二苯基甲烷、四縮水甘油基-間二甲苯二胺、三縮水甘油基-對胺基苯酚、N,N-二縮水甘油基苯胺等縮水甘油基胺、1,3-二縮水甘油基-5,5-二甲基乙內醯脲、三縮水甘油基異氰脲酸酯等雜環式環氧樹脂等。該些中,就可獲得機械強度及耐熱性更優異的成形品的方面而言,更佳為雙酚型環氧樹脂、酚醛清漆型環氧樹脂或噁唑啶酮改質環氧樹脂,就可獲得層間剪切強度與機械強度的平衡優異的硬化物的方面而言,進而更佳為雙酚型環氧樹脂或噁唑啶酮改質環氧樹脂。作為環氧樹脂的環氧當量,就耐熱性、硬化性的觀點而言,較佳為150至400。再者,該些環氧樹脂既可單獨使用亦可併用兩種以上。
所述環氧樹脂與(甲基)丙烯酸的反應較佳為於60℃~140℃下使用酯化觸媒進行。另外,亦可使用聚合抑制劑等。
作為所述胺基甲酸酯改質環氧(甲基)丙烯酸酯的製造中所使用的聚異氰酸酯,較佳為每一分子的平均異氰酸酯基數為2~3者,例如可使用:二苯基甲烷二異氰酸酯(4,4'-體、2,4'-體或2,2'-體、或者該些的混合物)、二苯基甲烷二異氰酸酯的碳二醯亞胺改質體、脲酸酯改質體、縮二脲改質體、胺基甲酸酯亞胺改質體、以二乙二醇或二丙二醇等數量平均分子量為1,000以下的多元醇進行了改質的多元醇改質體等二苯基甲烷二異氰酸酯改質體、甲苯二異氰酸酯、聯甲苯胺二異氰酸酯、聚亞甲基聚苯基聚異氰酸酯、二甲苯二異氰酸酯、1,5-萘二異氰酸酯、四甲基二甲苯二異氰酸酯等芳香族聚異氰酸酯;異佛爾酮二異氰酸酯、氫化二苯基甲烷二異氰酸酯、氫化二甲苯二異氰酸酯、降冰片烯二異氰酸酯等脂環式聚異氰酸酯;六亞甲基二異氰酸酯、六亞甲基二異氰酸酯的脲酸酯改質體、縮二脲改質體、加成體、二聚酸二異氰酸酯等脂肪族聚異氰酸酯等。另外,該些聚異氰酸酯既可單獨使用亦可併用兩種以上。
就基於鏈伸長反應的高分子量化所帶來的作業性(黏性)與樹脂的流動性的平衡更優異的方面而言,所述胺基甲酸酯改質環氧(甲基)丙烯酸酯的製造中的聚異氰酸酯的異氰酸酯基(NCO)與所述環氧(甲基)丙烯酸酯的羥基(OH)的莫耳比(NCO/OH)較佳為0.6~1.1的範圍,更佳為0.7~1.0的範圍。
作為所述胺基甲酸酯(甲基)丙烯酸酯,就作業性及成形性優異、且可獲得層間剪切強度、耐熱性等各種物性優異的成形品的方面而言,較佳為以聚亞甲基聚苯基聚異氰酸酯為必需原料的聚異氰酸酯化合物與以具有羥基及(甲基)丙烯醯基的化合物為必需原料的具有羥基的化合物的反應產物、即胺基甲酸酯(甲基)丙烯酸酯。
所述聚亞甲基聚苯基聚異氰酸酯由下述通式(1)表示。
作為所述胺基甲酸酯(甲基)丙烯酸酯的具有羥基及(甲基)丙烯醯基的化合物,例如可列舉(甲基)丙烯酸羥基烷基酯、(甲基)丙烯酸環氧酯等。再者,該些具有羥基及(甲基)丙烯醯基的化合物既可單獨使用亦可併用兩種以上。
成為所述胺基甲酸酯(甲基)丙烯酸酯(A)的原料的異氰酸酯化合物的異氰酸酯基(NCO)與具有羥基的化合物(a2)的羥基(OH)的莫耳比(NCO/OH)較佳為0.1~1.5,更佳為0.3~1.2。
作為所述熱硬化性樹脂組成物中所含的所述聚合起始劑,較佳為有機過氧化物,例如可列舉:二醯基過氧化物化合物、過氧化酯化合物、氫過氧化物化合物、酮過氧化物化合物、烷基過酸酯化合物、過碳酸酯化合物、過氧化縮酮等,可根據成形條件來適宜選擇。該些聚合起始劑既可單獨使用亦可併用兩種以上。
另外,該些中,就預浸體於常溫下的壽命長且藉由加熱而於短時間內進行硬化的方面而言,較佳為用於獲得10小時半衰期的溫度為70°C以上且100°C以下的聚合起始劑。藉由使用該些聚合起始劑,可於短時間內獲得具有優異的層間剪切強度的成形品。作為此種聚合起始劑,例如可列舉:1,6-雙(第三丁基過氧化羰氧基)己烷、1,1-雙(第三丁基過氧化)環己烷、1,1-雙(第三戊基過氧化)環己烷、1,1-雙(第三己基過氧化)環己烷、過氧化二乙基乙酸第三丁酯、過氧化異丙基碳酸第三丁酯、過氧化異丙基碳酸第三戊酯、過氧化異丙基碳酸第三己酯、過氧化六氫對苯二甲酸二-第三丁酯、過氧化三甲基己酸第三戊酯、過氧化-2-乙基己酸第三己酯等。
另外,所述熱硬化性樹脂組成物中,就硬化性及成形品的層間剪切強度進一步提高的方面而言,較佳為含有乙烯性不飽和單體。
作為所述乙烯性不飽和單體,例如可列舉:苯乙烯、甲基苯乙烯、鹵化苯乙烯、二乙烯基苯等苯乙烯化合物;(甲基)丙烯酸甲酯、(甲基)丙烯酸乙酯、(甲基)丙烯酸丙酯、(甲基)丙烯酸丁酯、(甲基)丙烯酸2-乙基己酯、(甲基)丙烯酸環己酯、(甲基)丙烯酸異冰片酯、(甲基)丙烯酸苄酯、(甲基)丙烯酸甲基苄酯、(甲基)丙烯酸苯氧基乙酯、(甲基)丙烯酸甲基苯氧基乙酯、(甲基)丙烯酸嗎啉酯、丙烯酸苯基苯氧基乙酯、(甲基)丙烯酸苯基苄酯、甲基丙烯酸苯酯、(甲基)丙烯酸二環戊烯酯、(甲基)丙烯酸二環戊烯氧基乙酯、甲基丙烯酸二環戊酯等單官能(甲基)丙烯酸酯化合物;(甲基)丙烯酸羥基乙酯、(甲基)丙烯酸羥基丙酯、(甲基)丙烯酸羥基丁酯等含羥基的(甲基)丙烯酸酯化合物;乙二醇二(甲基)丙烯酸酯、丙二醇二(甲基)丙烯酸酯、1,4-丁二醇二(甲基)丙烯酸酯、1,6-己二醇二(甲基)丙烯酸酯、雙酚二(甲基)丙烯酸酯、1,4-環己烷二甲醇二(甲基)丙烯酸酯等二(甲基)丙烯酸酯化合物等。該些既可單獨使用亦可併用兩種以上。
該些中,就作業環境時的臭氣及危險物的處理、成形體的機械強度及耐熱性的方面而言,較佳為分子量為150~250的單官能(甲基)丙烯酸酯,更佳為(甲基)丙烯酸苯氧基乙酯、(甲基)丙烯酸甲基苯氧基乙酯、(甲基)丙烯酸苄酯、(甲基)丙烯酸甲基苄酯,進而佳為(甲基)丙烯酸苯氧基乙酯、(甲基)丙烯酸苄酯。
作為所述強化纖維,可列舉碳纖維、玻璃纖維、碳化矽纖維、氧化鋁纖維、硼纖維、金屬纖維、聚芳醯胺纖維、維尼綸纖維、蒂托綸(tetoron)纖維等有機纖維等,就可獲得更高強度、高彈性的成形品的方面而言,較佳為碳纖維或玻璃纖維,更佳為碳纖維。該些強化纖維既可單獨使用亦可併用兩種以上。
所述熱硬化性預浸體可藉由公知的方法來製造,例如可藉由使所述強化纖維含浸於所述熱硬化性樹脂中,藉由脫模聚對苯二甲酸乙二酯(polyethylene terephthalate,PET)膜夾持,並藉由加壓輥加壓而獲得。
作為所述熱硬化性預浸體,可使用將強化纖維絲束沿一方向捋齊而得的單向材料或將單向材料積層而得者、織造而得的織物或者包含裁短的強化纖維的不織布等。
作為所述強化纖維的單位面積重量(每1 m2
纖維的重量)並無特別限制,但較佳為10 g/m2
~650 g/m2
。若單位面積重量達到10 g/m2
以上則纖維寬度的不均少而機械物性變得良好,故較佳。若為650 g/m2
以下的單位面積重量,則樹脂的含浸變得良好,故較佳。所述單位面積重量進而更佳為50 g/m2
~500 g/m2
,特佳為50 g/m2
~300 g/m2
。
就所獲得的成形品的機械強度進一步提高的方面而言,所述熱硬化性預浸體中的所述強化纖維的含有率較佳為15質量%~85質量%的範圍,更佳為35質量%~80質量%的範圍。
另外,所述熱硬化性預浸體的厚度較佳為0.02 mm~1 mm的範圍,更佳為0.05 mm~0.5 mm。
所述熱硬化性預浸體的寬度較佳為10 mm~500 mm的範圍,更佳為50 mm~300 mm的範圍。
關於所述熱硬化性預浸體,就生產性進一步提高的方面而言,150℃下的凝膠時間較佳為10秒~90秒的範圍,更佳為15秒~60秒的範圍。
本發明的預浸體的凝膠時間及固化時間是藉由固拉斯特米特(CURELASTOMETER)7 TYPE P(JSR貿易(JSR TRADING)股份有限公司製造)所測定者。
關於本發明的製造方法,於成形時所述熱硬化性預浸體被脫模膜被覆,作為所述脫模膜,例如可列舉PET基材、尼龍基材、聚偏二氯乙烯(polyvinylidene chloride)基材、脫模紙等,但就耐熱性、脫模性、膜強度而言,較佳為PET基材。
另外,就高溫下的膜強度優異的方面而言,所述脫模膜較佳為具有耐熱性的膜,熱變形溫度(18.5 kg/cm2
)較佳為60℃以上,更佳為80℃以上,進而佳為100℃以上。再者,於本發明中,熱變形溫度是日本工業標準(Japanese Industrial Standards,JIS)K7191中規定的載荷撓曲溫度,是達到測定載荷(18.5 kg/cm2
)下的規定撓曲時的溫度。
就高溫下的膜強度保持及成本的方面而言,所述脫模膜的厚度較佳為15 μm~150 μm,更佳為25 μm~100 μm,進而佳為35 μm~75 μm。
接下來,對藉由所述脫模膜被覆所述熱硬化性預浸體的形態進行說明。圖1及圖2是表示本發明的一實施方式的、雙帶壓製成形中自行進方向觀察時熱硬化性預浸體1藉由脫模膜2被覆的形態的概略圖。再者,圖式的尺寸比與實際的尺寸比未必一致。
作為藉由所述脫模膜被覆所述熱硬化性預浸體的形態,自熱硬化性預浸體的行進方向觀察,上下左右的面被脫模膜被覆,但就長條品的連續加工性而言,較佳為藉由折三次後的脫模膜被覆(圖1);或藉由熱或超音波密封處理將夾持預浸體的上下的脫模膜密封成規定寬度而進行被膜(圖2)。
藉由所述脫模膜限制的寬度較佳為與作為目標的成形寬度相同的寬度。
被所述脫模膜被覆的所述熱硬化性預浸體較佳為積層多片而成者,就品質的穩定性而言,較佳為積層2片~6片預浸體而成者。
為了抑制熱以及壓力所引起的預浸體的流動,藉由雙帶壓製機進行成形時的熱硬化性預浸體的寬度D1
比脫模膜的寬度D2
小1 mm~25 mm,但就可進一步減少纖維的歪扭的發生的方面而言,較佳為小1 mm~20 mm。再者,熱硬化性預浸體的寬度D1
及脫模膜的寬度D2
是雙帶壓製成形中自行進方向觀察時的左右方向的長度,脫模膜的寬度D2
是藉由密封或折入而被包圍的範圍的長度。
本發明的製造方法是將被脫模膜被覆的熱硬化性預浸體插入至雙帶壓製裝置中,獲得成形品的方法。
所述雙帶壓製裝置可使用公知者,可於側面帶有寬度限制裝置,亦可不帶寬度限制裝置,但較佳為以恆定壓力對預浸體基材均勻地施加壓力的等壓方式。另外,較佳為於雙帶壓製機的出口具有冷卻成形品的機構。
就進一步提高成形品的層間剪切強度的方面而言,雙帶壓製成形的壓製壓力較佳為0.1 MPa~2 MPa。
就生產性的觀點而言,雙帶壓製成形的壓製溫度較佳為80℃~220℃。
就成形性優異的方面而言,藉由本發明的製造方法而獲得的成形品可適宜地用於汽車構件、鐵道車輛構件、航太飛機構件、船舶構件、住宅設備構件、體育用品構件、輕型車輛構件、建築土木構件、OA機器等的框體等。
[實施例]
以下列舉具體實施例對本發明進行更詳細的說明。再者,所使用的PET捲繞物(脫模膜)的熱變形溫度(18.5 kg/cm2
)為240℃。
(製造例1:熱硬化性預浸體(1)的製作)
將聚亞甲基聚苯基聚異氰酸酯與二苯基甲烷二異氰酸酯(diphenyl Methane Diisocyanate,MDI)的混合物(東曹股份有限公司製造的「米魯奈特(MILLIONATE)MR-200」)50質量份、4,4'-二苯基甲烷二異氰酸酯50質量份、甲基丙烯酸羥基乙酯66質量份、雙酚A的環氧乙烷(Ethylene Oxide,EO)加成物(三洋化成股份有限公司製造的「紐坡特(Nieuport)BPE-20」,羥基當量:204 g/eq)31質量份、甲基丙烯酸苯氧基乙酯40質量份、以及聚合起始劑(化藥阿克蘇(KAYAKU AKZO)股份有限公司製造的「托高諾斯(TRIGONOX)122-C80」、有機過氧化物)3質量份混合,獲得熱硬化性樹脂組成物。
使用預浸體製造裝置,使所述獲得的熱硬化性樹脂組成物以相對於碳纖維的單位面積重量100 g/m2
而體積含有率達到50%的方式含浸於碳纖維(東麗股份有限公司製造的「T700SC」)中,獲得熱硬化性預浸體(1)。所述熱硬化性預浸體(1)的厚度為0.15 mm。
(實施例1)
將製造例1中所獲得的熱硬化性預浸體(1)以長1.5 m×寬58 mm積層4片,插入至長度為12 m的折三次成60 mm寬的50 μm厚的PET捲繞物中,於加熱加壓塊30 cm的雙帶壓製機中以輸送速度0.1 m/分鐘,帶溫度160℃、壓力0.8 MPa下進行加熱加壓成形3分鐘,藉此獲得長度為10 m的長條的成形品(1)。
(實施例2)
將製造例1中所獲得的熱硬化性預浸體(1)以長1.5 m×寬58 mm積層4片,插入至長度為12 m的折三次成60 mm寬的50 μm厚的PET捲繞物中,於加熱加壓塊30 cm的雙帶壓製機中以輸送速度0.6 m/分鐘、帶溫度190℃、壓力0.3 MPa下進行加熱加壓成形0.5分鐘,藉此獲得長度為10 m的長條的成形品(2)。
(實施例3)
將製造例1中所獲得的熱硬化性預浸體(1)以長1.5 m×寬50 mm積層4片,插入至長度為12 m的折三次成60 mm寬的50 μm厚的PET捲繞物中,於加熱加壓塊30 cm的雙帶壓製機中以輸送速度0.1 m/分鐘、帶溫度160℃、壓力0.8 MPa下進行加熱加壓成形3分鐘,藉此獲得長度為10 m的長條的成形品(3)。
(實施例4)
將製造例1中所獲得的熱硬化性預浸體(1)以長1.5 m×寬40 mm積層4片,插入至長度為12 m的折三次成60 mm寬的50 μm厚的PET捲繞物中,於加熱加壓塊30 cm的雙帶壓製機中以輸送速度0.1 m/分鐘、帶溫度160℃、壓力0.8 MPa下進行加熱加壓成形3分鐘,藉此獲得長度為10 m的長條的成形品(4)。
(比較例1)
將製造例1中所獲得的熱硬化性預浸體(1)以長1.5 m×寬58 mm積層4片,藉由長度為12 m的50 μm厚的脫模PET膜夾住上下,於加熱加壓塊30 cm的雙帶壓製機中以輸送速度0.1 m/分鐘、帶溫度160℃、壓力0.8 MPa下進行加熱加壓成形3分鐘,藉此獲得長度為10 m的長條的成形品(R1)。
(比較例2)
將製造例1中所獲得的熱硬化性預浸體(1)以長1.5 m×寬58 mm積層4片,藉由長度為12 m的50 μm厚的脫模PET膜夾住上下,並利用矽橡膠片材將左右的寬度限制為60 mm,於加熱加壓塊30 cm的雙帶壓製機中以輸送速度0.1 m/分鐘,帶溫度160℃、壓力0.8 MPa下進行加熱加壓成形3分鐘,藉此獲得長度為10 m的長條的成形品(R2)。
[成形性(毛刺)的評價]
依據下述基準對所述獲得的成形品的成形性(毛刺)進行評價。
○:無毛刺
×:有毛刺
[成形性(寬度)的評價]
依據下述基準對所獲得的成形品的成形性(寬度)進行評價。
○:為作為目標的成形寬度(60 mm)±小於2 mm
×:為作為目標的成形寬度為(60 mm)±大於等於2 mm
[成形性(纖維的歪扭)的評價]
依據下述基準對所獲得的成形品的成形性(纖維的歪扭)進行評價。
○:無纖維的歪扭
△:有一部分纖維歪扭
×:有纖維的歪扭
將所述獲得的成形品(1)~成形品(4)的評價結果示於表1中。
[表1]
| 實施例1 | 實施例2 | 實施例3 | 實施例4 | ||
| 評價 | 成形性(毛刺) | ○ | ○ | ○ | ○ |
| 成形性(寬度) | ○ | ○ | ○ | ○ | |
| 成形性(纖維的歪扭) | ○ | ○ | ○ | △ |
將所述獲得的成形品(R1)~成形品(R3)的評價結果示於表2中。
[表2]
| 比較例1 | 比較例2 | ||
| 評價 | 成形性(毛刺) | × | ○ |
| 成形性(寬度) | × | × | |
| 成形性(纖維的歪扭) | × | × |
可確認到實施例1~實施例4的本發明的成形品的製造方法的成形性優異。
另一方面,比較例1是於成形時熱硬化性預浸體的左右被脫模膜被覆的例子,可確認到樹脂、纖維橫向擴展,成形性(毛刺、寬度、纖維的歪扭)差。
比較例2是於成形時代替脫模膜而使用矽橡膠片材來夾住熱硬化性預浸體的左右的例子,可確認到矽橡膠片材因壓力而移動,成形性(寬度、纖維的歪扭)差。
1:熱硬化性預浸體
2:脫模膜
3:脫模膜的密封部
D1
:熱硬化性預浸體的寬度
D2
:脫模膜的寬度
圖1是表示本發明的一實施方式的雙帶壓製成形中自行進方向觀察時熱硬化性預浸體藉由脫模膜被覆的形態的概略圖(將脫模膜折三次)。
圖2是表示本發明的一實施方式的雙帶壓製成形中自行進方向觀察時熱硬化性預浸體藉由脫模膜被覆的形態的概略圖(將脫模膜密封)。
1:熱硬化性預浸體
2:脫模膜
D1:熱硬化性預浸體的寬度
D2:脫模膜的寬度
Claims (4)
- 一種成形品的製造方法,是藉由對熱硬化性預浸體進行雙帶壓製成形而獲得的成形品的製造方法,所述成形品的製造方法的特徵在於,於成形時,自所述熱硬化性預浸體的行進方向觀察,上下左右的面被脫模膜被覆,所述熱硬化性預浸體的寬度比所述脫模膜的寬度小1 mm~25 mm。
- 如請求項1所述的成形品的製造方法,其中所述脫模膜的熱變形溫度(18.5 kg/cm2 )為60℃以上。
- 如請求項1或請求項2所述的成形品的製造方法,其中所述雙帶壓製成形的壓製壓力為0.1 MPa~2 MPa。
- 如請求項1至請求項3中任一項所述的成形品的製造方法,其中所述雙帶壓製成形的壓製溫度為80℃~220℃。
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| CN (1) | CN114555313A (zh) |
| TW (1) | TW202116522A (zh) |
| WO (1) | WO2021075271A1 (zh) |
Families Citing this family (1)
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| JP2023104543A (ja) * | 2022-01-18 | 2023-07-28 | 日本ユピカ株式会社 | 繊維強化プラスチック中間基材用液状組成物、繊維強化プラスチック中間基材、及び前記繊維強化プラスチック中間基材の製造方法 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2638924B2 (ja) * | 1988-05-23 | 1997-08-06 | 松下電工株式会社 | 積層板の製造方法 |
| JPH02286722A (ja) * | 1989-04-28 | 1990-11-26 | Dainippon Ink & Chem Inc | 含浸用樹脂組成物、プリプレグ、及び積層板の製法 |
| JPH04262319A (ja) * | 1991-02-15 | 1992-09-17 | Kanegafuchi Chem Ind Co Ltd | 電気用積層板の連続製造方法 |
| JPH0623860A (ja) * | 1992-07-13 | 1994-02-01 | Hitachi Chem Co Ltd | 積層板の製造方法 |
| JP3322927B2 (ja) | 1993-01-20 | 2002-09-09 | 積水化学工業株式会社 | 成形体連続的製造装置 |
| JP2000317964A (ja) * | 1999-05-10 | 2000-11-21 | Mitsubishi Rayon Co Ltd | 合成樹脂板の製造装置および製造方法 |
| JP2003245985A (ja) * | 2002-02-27 | 2003-09-02 | Nitto Boseki Co Ltd | 成形体の連続製造方法 |
| JP2004338212A (ja) * | 2003-05-15 | 2004-12-02 | Idemitsu Unitech Co Ltd | 積層体 |
| JP4529565B2 (ja) * | 2004-07-07 | 2010-08-25 | 東レ株式会社 | 回路基板の製造方法 |
| JP4594696B2 (ja) * | 2004-10-14 | 2010-12-08 | サンコーテクノ株式会社 | 光硬化性プリプレグテープおよびその硬化方法 |
| WO2008007770A1 (fr) * | 2006-07-14 | 2008-01-17 | Dai Nippon Printing Co., Ltd. | Film revêtu d'une couche conductrice transparente et son utilisation |
| JP5962094B2 (ja) * | 2012-03-16 | 2016-08-03 | 凸版印刷株式会社 | 積層基板の製造方法 |
| DE102013105296A1 (de) * | 2012-12-13 | 2014-06-18 | Dieffenbacher GmbH Maschinen- und Anlagenbau | Verfahren, Anlage und Harzmatte zur Herstellung von faserverstärkten Formteilen, insbesondere mittels Fließpressen in einer Formpresse |
| CN103223723B (zh) * | 2012-12-31 | 2015-09-23 | 桐乡波力科技复材用品有限公司 | 一种曲棍球杆打击板的板面纹路制作方法 |
| US20160303777A1 (en) * | 2013-10-22 | 2016-10-20 | Mitsubishi Rayon Co., Ltd. | Method for producing prepreg |
| KR101867201B1 (ko) * | 2014-02-14 | 2018-06-12 | 미쯔비시 케미컬 주식회사 | 섬유 강화 플라스틱 및 그의 제조 방법 |
| EP3421212B1 (en) * | 2016-02-23 | 2021-10-06 | Toray Industries, Inc. | Method for producing fiber reinforced composite material |
| JP2022069001A (ja) * | 2020-10-23 | 2022-05-11 | 三菱ケミカル株式会社 | 繊維強化複合材料の製造方法 |
-
2020
- 2020-09-23 TW TW109132909A patent/TW202116522A/zh unknown
- 2020-10-01 US US17/768,848 patent/US20230278299A1/en not_active Abandoned
- 2020-10-01 WO PCT/JP2020/037396 patent/WO2021075271A1/ja not_active Ceased
- 2020-10-01 EP EP20876742.6A patent/EP4046768A4/en not_active Withdrawn
- 2020-10-01 JP JP2021552307A patent/JP7010420B2/ja not_active Expired - Fee Related
- 2020-10-01 KR KR1020227004529A patent/KR102643906B1/ko active Active
- 2020-10-01 CN CN202080071648.1A patent/CN114555313A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US20230278299A1 (en) | 2023-09-07 |
| JP7010420B2 (ja) | 2022-01-26 |
| EP4046768A1 (en) | 2022-08-24 |
| KR102643906B1 (ko) | 2024-03-07 |
| CN114555313A (zh) | 2022-05-27 |
| EP4046768A4 (en) | 2024-02-07 |
| WO2021075271A1 (ja) | 2021-04-22 |
| JPWO2021075271A1 (ja) | 2021-12-16 |
| KR20220032092A (ko) | 2022-03-15 |
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