JP6405433B1 - 繊維強化樹脂成形品の製造方法 - Google Patents
繊維強化樹脂成形品の製造方法 Download PDFInfo
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- JP6405433B1 JP6405433B1 JP2017197468A JP2017197468A JP6405433B1 JP 6405433 B1 JP6405433 B1 JP 6405433B1 JP 2017197468 A JP2017197468 A JP 2017197468A JP 2017197468 A JP2017197468 A JP 2017197468A JP 6405433 B1 JP6405433 B1 JP 6405433B1
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- reinforced resin
- mold
- fiber
- base material
- fiber reinforced
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- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
- B29C43/3642—Bags, bleeder sheets or cauls for isostatic pressing
- B29C2043/3652—Elastic moulds or mould parts, e.g. cores or inserts
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2063/00—Use of EP, i.e. epoxy resins or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0076—Microcapsules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
- B29K2105/048—Expandable particles, beads or granules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
- B29K2105/0809—Fabrics
- B29K2105/0845—Woven fabrics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
- B29K2105/0872—Prepregs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2307/00—Use of elements other than metals as reinforcement
- B29K2307/04—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2309/00—Use of inorganic materials not provided for in groups B29K2303/00 - B29K2307/00, as reinforcement
- B29K2309/08—Glass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Moulding By Coating Moulds (AREA)
- Molding Of Porous Articles (AREA)
Abstract
Description
繊維強化樹脂基材として、カーボンファーバークロスに130℃硬化タイプのエポキシ樹脂ワニスを含浸させ作成したカーボン繊維強化エポキシ樹脂プレプリグを用い、粉体混合物として、熱膨張性マイクロカプセル[エクスパンセル(登録商標、エクスパンセル社製)031−40DU、熱膨張開始温度80〜90℃、最大膨張温度125〜135℃、平均粒子径10-16μm]と乾燥した片栗粉(平均粒子径約30μm)をそれぞれ50重量%含有させた粉体混合物を用いて、図1、2に示す方法にて、成形品の製造を行った。
実施例1において、コア空間部の温度を130℃に60分間保った後、温度をさらに10〜15℃上昇させて、膨張後のマイクロカプセルを収縮させ、冷却後、成形品を型から取り出したが、実施例1と同様な成形品が得られた。
実施例1において、繊維強化樹脂基材を離形フィルムで覆うことなく、図3、4に示す方法にて実施例1と同様な加熱操作にて成形品を得た。この成形品は内部が多孔性物質で充填された成形品である。
繊維強化樹脂基材として、平織ガラスクロスにポリプロピレンを含浸させたガラス繊維強化ポリプロピレンシートを用い、熱膨張性マイクロカプセルとしてエクスパンセル(登録商標、エクスパンセル社製)092−40DU、熱膨張開始温度123〜133℃、最大膨張温度170〜180℃、平均粒子径10-16μm]を用いて、加熱条件としてコア空間部の温度を125℃からスタートし30分間保ち、次いで型温度を160℃で60分間保持する他は実施例1と同様な操作を行い、下型の内面に忠実な形状の成形品を得た。
2a 粉体混合物(未膨張)
2b 粉体混合物(膨張済)
3、3a 下型
4、4a 上型
5 コア空間部
6 真空吸引口
7 締結部材
8 離型材
9 ゴムパッキング材
10 蝶番
11 離形材用シール材
12 バギング材
13 バギング用シール材
14 開口部
Claims (4)
- 強化用繊維にマトリックス樹脂を含有させた繊維強化樹脂基材を型の内面に配置し、前記繊維強化樹脂基材が配置された型のコア空間部に熱膨張性マイクカプセルとそれ以外の粉体とからなる流動性を有する粉体混合物を充填し、型の内面に配置した繊維強化樹脂基材と前記粉体混合物との間に離形材を配置し、型を密閉した後、繊維強化樹脂基材と型の内面との間の空気を排気することにより、該基材と該内面とを密着させ、次いで熱膨張性カプセルの熱膨張開始温度以上、最大膨張温度以下に加熱して、熱膨張性カプセルを膨張させ、前記繊維強化樹脂基材を加熱加圧することを特徴とする繊維強化樹脂成形品の製造方法。
- 前記粉体混合物における熱膨張性マイクロカプセルの含有量は20〜80重量%であることを特徴とする請求項1に記載の繊維強化樹脂成形品の製造方法。
- 前記繊維強化樹脂基材が配置された型のコア空間部に、該空間部容積1L当たり200g〜600gの前記粉体混合物を充填することを特徴とする請求項1又は2に記載の繊維樹脂強化樹脂成形品の製造方法。
- 熱膨張性マイクロカプセル以外の粉体は有機物粉体、無機物粉体、チョップドファイバー、又はそれらの混合物からなることを特徴とする請求項1〜3のいずれか一項に記載の繊維強化樹脂成形品の製造方法。
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JP2017197468A JP6405433B1 (ja) | 2017-10-11 | 2017-10-11 | 繊維強化樹脂成形品の製造方法 |
PCT/JP2018/036771 WO2019073848A1 (ja) | 2017-10-11 | 2018-10-02 | 繊維強化樹脂成形品の製造方法 |
KR1020207010534A KR102363817B1 (ko) | 2017-10-11 | 2018-10-02 | 섬유 강화 수지 성형품의 제조 방법 |
US16/755,241 US20200238638A1 (en) | 2017-10-11 | 2018-10-02 | Production method for fiber-reinforced resin molded object |
EP18866490.8A EP3695947A4 (en) | 2017-10-11 | 2018-10-02 | METHOD OF MANUFACTURING A MOLDED ARTICLE OF FIBER REINFORCED RESIN |
CN201880065885.XA CN111201122B (zh) | 2017-10-11 | 2018-10-02 | 纤维增强树脂模制品的制造方法 |
IL273897A IL273897A (en) | 2017-10-11 | 2020-04-07 | Production method of a fiber-reinforced resin molded object |
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US11872776B2 (en) * | 2019-12-19 | 2024-01-16 | The Boeing Company | Methods for recovering expanded polymer tooling |
US11938689B2 (en) * | 2020-11-18 | 2024-03-26 | The Boeing Company | Apparatus and method for processing a composite structure |
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WO2024047461A1 (en) * | 2022-08-29 | 2024-03-07 | ALIA MENTIS S.r.l. | Hot molding method |
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JP2019069579A (ja) | 2019-05-09 |
US20200238638A1 (en) | 2020-07-30 |
EP3695947A4 (en) | 2021-07-07 |
CN111201122A (zh) | 2020-05-26 |
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