JP7230207B2 - 複合材の接着前処理方法 - Google Patents
複合材の接着前処理方法 Download PDFInfo
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- JP7230207B2 JP7230207B2 JP2021532721A JP2021532721A JP7230207B2 JP 7230207 B2 JP7230207 B2 JP 7230207B2 JP 2021532721 A JP2021532721 A JP 2021532721A JP 2021532721 A JP2021532721 A JP 2021532721A JP 7230207 B2 JP7230207 B2 JP 7230207B2
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- resin
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- B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7394—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoset
- B29C66/73941—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoset characterised by the materials of both parts being thermosets
-
- 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
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
- C09J5/02—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers involving pretreatment of the surfaces to be joined
-
- 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
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/08—Surface shaping of articles, e.g. embossing; Apparatus therefor by flame treatment ; using hot gases
-
- 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
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/10—Surface shaping of articles, e.g. embossing; Apparatus therefor by electric discharge treatment
-
- 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
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/14—Surface shaping of articles, e.g. embossing; Apparatus therefor by plasma treatment
-
- 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
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/16—Surface shaping of articles, e.g. embossing; Apparatus therefor by wave energy or particle radiation, e.g. infrared heating
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
- B29C66/919—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/142—Laminating of sheets, panels or inserts, e.g. stiffeners, by wrapping in at least one outer layer, or inserting into a preformed pocket
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
- Reinforced Plastic Materials (AREA)
Description
図1に、本実施形態に係る接着前処理方法の手順を示す。
本実施形態では、(S1)プリプレグを複数枚積層してプリプレグ積層体を形成し、(S2)該プリプレグ積層体の表面に、汚染物質を吸収可能な吸収体を貼付け、(S3)吸収体の上からプリプレグ積層体を包装材で覆い、(S4)包装材内を真空引きするとともに、プリプレグ積層体をプリプレグの硬化温度よりも低い温度で加熱した後、(S5)包装材を取り外し、(S6)吸収体を剥離し、(S7)プリプレグ積層体の吸収体を剥離した後の表面に、シリコーンおよびフッ素を樹脂に転写しない離型部材(非転写離型部材)を貼り付け、(S8)離型部材の上からプリプレグ積層体をバッグ材で覆い、(S9)プリプレグ積層体を加熱加圧により硬化させて複合材を成形する。
(吸収体)
プリプレグ1の表面には、汚染物質2が存在する場合がある。そのような表面に、吸収体3を貼り付け(図2の(A))、真空引きすることで、汚染物質2または汚染物質2を含んだマトリックス樹脂が吸収体3に染み込む(図2の(B))。ここで、加熱を併用すると、プリプレグ1のマトリックス樹脂が軟化するため効率的に汚染物質2およびマトリックス樹脂を吸収体3に染み込ませることができる(図2の(B))。その後、吸収体3を剥がすことで、汚染物質2はプリプレグ1の表面から除去される(図2の(C))。ここで、吸収体3は、マトリックス樹脂が硬化する前に剥がされることになるため、吸収体3由来の成分がプリプレグ1の表面に残置されることはない。
本実施形態によれば、複合材を成形する際、従来のピールプライに替えて、シリコーンおよびフッ素を樹脂に転写しない離型部材をプリプレグ積層体に貼り付けるため、ピールプライ成分が複合材の表面に残置されることはない。
親水化処理の実施により、複合材の表面で酸素ラジカルが発生する。酸素ラジカルは、油・有機物などの表面汚れ(汚染物質)のC,Hと反応する。これにより、汚染物質がCO2またはH2Oとして複合材の表面から除去される。親水化処理の実施により、複合材の表面のフッ素量を低減できる。
本実施形態では、シリコーンおよびフッ素を樹脂に転写しない樹脂支持部材を用いてプリプレグを製造し、該プリプレグを複数枚積層してプリプレグ積層体を形成する。以降の処理は、第1実施形態と同様に実施する。
プリプレグの製造装置は、強化繊維を供給するクリール10と、クリール10から供給された強化繊維を一方向に引き揃えるためのコーム11と、片面にマトリックス樹脂が塗布された樹脂支持部材12,13を供給する巻出しロール14,15と、ニップロール16,17,18と、トラクションロール19と、ニップロール16とニップロール17との間に配置された加熱手段20と、ニップロール18とトラクションロール19との間に配置された冷却手段21と、巻出しロール14から供給された樹脂支持部材12を巻取る巻取りロール22と、を備えている。
2 汚染物質
3 吸収体
10 クリール
11 コーム
12,13 樹脂支持部材
14,15 巻出しロール
16,17,18 ニップロール
19 トラクションロール
20 加熱手段
21 冷却手段
22 巻取りロール
23 強化繊維
24 積層体
Claims (7)
- 複合材を他の部材に接着させる際の複合材の接着前処理方法であって、
前記複合材の前駆体であるプリプレグ積層体の表面に、汚染物質を吸収可能な吸収体を貼り付け、
前記吸収体の上から前記プリプレグ積層体を包装材で覆い、
前記包装材内を真空引きするとともに、前記プリプレグ積層体をプリプレグの硬化温度よりも低い温度で加熱した後、
前記包装材を取り外し、
前記吸収体を剥離し、
前記プリプレグ積層体の前記吸収体を剥離した後の表面に、離型部材を貼り付けた後、前記プリプレグ積層体を硬化させて前記複合材を成形し、
前記他の部材を接着させる前に、前記複合材から前記離型部材を剥離し、
前記離型部材は、前記離型部材由来のシリコーンおよびフッ素を前記複合材の樹脂に転写しない部材である複合材の接着前処理方法。 - 前記離型部材を剥離した後、前記他の部材を接着させる前に、前記複合材の前記離型部材が貼り付けられていた面に親水化処理を施す請求項1に記載の複合材の接着前処理方法。
- 前記親水化処理は、プラズマ処理、コロナ処理、紫外線処理、火炎処理あるいは液体を用いた処理により、前記複合材の前記離型部材が貼り付けられていた面に極性官能基を付与するプロセスである請求項2に記載の複合材の接着前処理方法。
- 前記親水化処理の前に、前記複合材の前記離型部材が貼り付けられていた面に清浄化処理を施し、前記離型部材を剥離した後に付着した汚染物質を除去する請求項2または請求項3に記載の複合材の接着前処理方法。
- シリコーンおよびフッ素を樹脂に転写しない樹脂支持部材を用いて前記プリプレグを製造し、
前記プリプレグを複数枚積層して前記プリプレグ積層体を形成する請求項1から請求項4のいずれかに記載の複合材の接着前処理方法。 - 前記離型部材がフッ素およびシリコーンを含まない材料で構成されている請求項1から請求項5のいずれかに記載の複合材の接着前処理方法。
- 複合材を他の部材に接着させる際の複合材の接着前処理方法であって、
シリコーンおよびフッ素を樹脂に転写しない樹脂支持部材を用いてプリプレグを製造し、
前記プリプレグを複数枚積層してプリプレグ積層体を形成し、
前記プリプレグ積層体の表面に、離型部材を貼り付けた後、前記プリプレグを硬化させて前記複合材を成形し、
前記他の部材を接着させる前に、前記複合材から前記離型部材を剥離し、
前記離型部材は、前記離型部材由来のシリコーンおよびフッ素を前記複合材の樹脂に転写しない部材である複合材の接着前処理方法。
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JP2014015567A (ja) | 2012-07-10 | 2014-01-30 | Mitsubishi Rayon Co Ltd | プリプレグ |
JP2016501145A (ja) | 2012-11-26 | 2016-01-18 | サイテク・インダストリーズ・インコーポレーテツド | 複合材料の結合 |
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US7842209B2 (en) * | 2006-02-21 | 2010-11-30 | The Boeing Company | Vacuum debulk and radiation cure method |
RU2602102C2 (ru) | 2011-12-30 | 2016-11-10 | Сайтек Текнолоджи Корп. | Удаляемый слой, способ подготовки поверхности и связывания композитных структур с его применением |
US9254622B2 (en) * | 2012-04-23 | 2016-02-09 | University Of Washington | Bond ply for adhesive bonding of composites and associated systems and methods |
FR3025131B1 (fr) * | 2014-09-03 | 2016-09-16 | Airbus Group Sas | Piece composite thermodurcissable pre-polymerisee et procedes de realisation d'une telle piece |
KR102473358B1 (ko) * | 2017-03-16 | 2022-12-06 | 더 보잉 컴파니 | 경화된 복합재 부품을 정의하기 위해 제1 열경화성 복합재와 제2 열경화성 복합재를 일체접합하는 방법 |
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