JPWO2021075271A1 - 成形品の製造方法 - Google Patents
成形品の製造方法 Download PDFInfo
- Publication number
- JPWO2021075271A1 JPWO2021075271A1 JP2021552307A JP2021552307A JPWO2021075271A1 JP WO2021075271 A1 JPWO2021075271 A1 JP WO2021075271A1 JP 2021552307 A JP2021552307 A JP 2021552307A JP 2021552307 A JP2021552307 A JP 2021552307A JP WO2021075271 A1 JPWO2021075271 A1 JP WO2021075271A1
- Authority
- JP
- Japan
- Prior art keywords
- molded product
- meth
- prepreg
- width
- acrylate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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- 238000000465 moulding Methods 0.000 claims abstract description 43
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- -1 hydride bisphenol Chemical compound 0.000 description 24
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- 239000000463 material Substances 0.000 description 9
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- 239000011229 interlayer Substances 0.000 description 8
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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
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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
- 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
- B29C37/0075—Using separating agents during or after moulding; Applying separating agents on preforms or articles, e.g. to prevent sticking to each other using 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
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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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/228—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length using endless belts feeding the material between non-rotating pressure members, e.g. vibrating pressure members
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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
- 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
- B29C43/44—Compression means for making articles of indefinite length
- B29C43/48—Endless belts
-
- 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]
-
- 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
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/44—Compression means for making articles of indefinite length
- B29C43/48—Endless belts
- B29C2043/483—Endless belts cooperating with a second endless belt, i.e. double band presses
-
- 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
- B29K2105/06—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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Reinforced Plastic Materials (AREA)
- Moulding By Coating Moulds (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
Description
ポリメチレンポリフェニルポリイソシアネートとMDIとの混合物(東ソー株式会社製「ミリオネート MR−200」)50質量部と、4,4’−ジフェニルメタンジイソシアネート50質量部と、ヒドロキシエチルメタクリレート66質量部と、ビスフェノールAのEO付加物(三洋化成株式会社製「ニューポールBPE−20」、水酸基当量;204g/eq)31質量部と、フェノキシエチルメタアクリレート40質量部と、重合開始剤(化薬アクゾ株式会社製「トリゴノックス122−C80」、有機過酸化物)3質量部とを混合し、熱硬化性樹脂組成物を得た。
上記で得られた熱硬化性樹脂組成物を、プリプレグ製造装置を用いて、炭素繊維(東レ株式会社製「T700SC」)に炭素繊維の目付け量100g/m2に対し、体積含有率50%となるように含浸させ、熱硬化性プリプレグ(1)を得た。この熱硬化性プリプレグ(1)の厚さは0.15mmであった。
製造例1で得た熱硬化性プリプレグ(1)を長さ1.5m×幅58mmで4枚積層し、60mmの幅に三つ折りした50μm厚のPET巻きもの12m長に挿入し、加熱加圧ブロック30cmのダブルベルトプレス機に送り速度0.1m/分、ベルト温度160℃、圧力0.8MPaで3分間加熱加圧成形することにより、10m長の長尺の成形品(1)を得た。
製造例1で得た熱硬化性プリプレグ(1)を長さ1.5m×幅58mmで4枚積層し、60mmの幅に三つ折りした50μm厚のPET巻きもの12m長に挿入し、加熱加圧ブロック30cmのダブルベルトプレス機に送り速度0.6m/分、ベルト温度190℃、圧力0.3MPaで0.5分間加熱加圧成形することにより、10m長の長尺の成形品(2)を得た。
製造例1で得た熱硬化性プリプレグ(1)を長さ1.5m×幅50mmで4枚積層し、60mmの幅に三つ折りした50μm厚のPET巻きもの12m長に挿入し、加熱加圧ブロック30cmのダブルベルトプレス機に送り速度0.1m/分、ベルト温度160℃、圧力0.8MPaで3分間加熱加圧成形することにより、10m長の長尺の成形品(3)を得た。
製造例1で得た熱硬化性プリプレグ(1)を長さ1.5m×幅40mmで4枚積層し、60mmの幅に三つ折りした50μm厚のPET巻きもの12m長に挿入し、加熱加圧ブロック30cmのダブルベルトプレス機に送り速度0.1m/分、ベルト温度160℃、圧力0.8MPaで3分間加熱加圧成形することにより、10m長の長尺の成形品(4)を得た。
製造例1で得た熱硬化性プリプレグ(1)を長さ1.5m×幅58mmで4枚積層し、上下を50μm厚の離形PETフィルム12m長で挟み、加熱加圧ブロック30cmのダブルベルトプレス機に送り速度0.1m/分、ベルト温度160℃、圧力0.8MPaで3分間加熱加圧成形することにより、10m長の長尺の成形品(R1)を得た。
製造例1で得た熱硬化性プリプレグ(1)を長さ1.5m×幅58mmで4枚積層し、上下を50μm厚の離形PETフィルム12m長で挟み、左右をシリコンゴムシートで幅を60mmに規制し、加熱加圧ブロック30cmのダブルベルトプレス機に送り速度0.1m/分、ベルト温度160℃、圧力0.8MPaで3分間加熱加圧成形することにより、10m長の長尺の成形品(R2)を得た。
上記で得られた成形品の成形性(バリ)を、下記の基準に従い評価した。
○:バリ無し
×:バリ有り
得られた成形品の成形性(幅)を下記の基準に従い評価した。
○:目標とする成形幅(60mm)±2mm未満
×:目標とする成形幅(60mm)±2mm以上
得られた成形品の成形性(繊維のヨレ)を下記の基準に従い評価した。
○:繊維のヨレ無し
△:繊維のヨレ一部有り
×:繊維のヨレ有り
2:離形フィルム
3:離形フィルムの封止部
D1:熱硬化性プリプレグの幅
D2:離形フィルムの幅
Claims (4)
- 熱硬化性プリプレグをダブルベルトプレス成形することにより得られる成形品の製造方法であって、成形時に、前記熱硬化性プリプレグの進行方向から見て上下左右の面が離形フィルムにより被覆されており、前記プリプレグの幅が前記離形フィルムの幅より1〜25mm小さいことを特徴とする成形品の製造方法。
- 前記離形フィルムの熱変形温度(18.5kg/cm2)が60℃以上である請求項1記載の成形品の製造方法。
- 前記ダブルベルトプレス成形のプレス圧力が、0.1〜2MPaである請求項1又は2記載の成形品の製造方法。
- 前記ダブルベルトプレス成形のプレス温度が80〜220℃である請求項1〜3いずれか1項記載の成形品の製造方法。
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- 2020-10-01 JP JP2021552307A patent/JP7010420B2/ja active Active
- 2020-10-01 CN CN202080071648.1A patent/CN114555313A/zh active Pending
- 2020-10-01 EP EP20876742.6A patent/EP4046768A4/en not_active Withdrawn
- 2020-10-01 WO PCT/JP2020/037396 patent/WO2021075271A1/ja unknown
- 2020-10-01 KR KR1020227004529A patent/KR102643906B1/ko active IP Right Grant
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KR20220032092A (ko) | 2022-03-15 |
US20230278299A1 (en) | 2023-09-07 |
TW202116522A (zh) | 2021-05-01 |
EP4046768A4 (en) | 2024-02-07 |
EP4046768A1 (en) | 2022-08-24 |
KR102643906B1 (ko) | 2024-03-07 |
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WO2021075271A1 (ja) | 2021-04-22 |
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