KR20180035990A - 복층 프리프레그 구조 및 그 제조방법 - Google Patents
복층 프리프레그 구조 및 그 제조방법 Download PDFInfo
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- KR20180035990A KR20180035990A KR1020160125807A KR20160125807A KR20180035990A KR 20180035990 A KR20180035990 A KR 20180035990A KR 1020160125807 A KR1020160125807 A KR 1020160125807A KR 20160125807 A KR20160125807 A KR 20160125807A KR 20180035990 A KR20180035990 A KR 20180035990A
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- South Korea
- Prior art keywords
- resin
- prepreg
- layer
- carbon fiber
- vacuum
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- Ceased
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/55—Epoxy resins
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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
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/18—Processes for applying liquids or other fluent materials performed by dipping
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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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
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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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
- B29C66/1122—Single lap to lap joints, i.e. overlap joints
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
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- B29C66/45—Joining of substantially the whole surface of the articles
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- B29C66/712—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 composition of the plastics material of the parts to be joined the composition of one of the parts to be joined being different from the composition of the other part
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Abstract
Description
도 2는 종래의 프리프레그 구조의 제조과정을 나타낸 도면,
도 3은 본 발명의 일 실시예에 따른 복층 프리프레그 구조의 단면도,
도 4는 본 발명의 일 실시예에 따른 복층 프리프레그 구조의 제조과정을 나타낸 도면,
도 5는 본 발명의 일 실시예에 따른 복층 프리프레그 구조의 제조시 진공포장하는 모습을 나타낸 도면,
도 6은 제2수지의 경화속도에 따라 달라지는 복층 프리프레그 구조의 외관을 나타낸 사진이다.
12: 수지 20: 클리어 코팅층(종래)
100: 프리프레그층 110: 탄소섬유 직물
120: 제1수지 200: 클리어 코팅층
300: 고정층 400: 진공장치
410: 금형 420: 분리재
430: 진공백 440: 브리더
450: 분리필름 460: 열전대
470: 진공포트 480: 밀봉재
B: 기포 P: 핀홀
Claims (10)
- 탄소섬유 직물에 제1수지가 함침되어 있는 프리프레그층;
상기 제1수지보다 경화속도가 빠른 제2수지로 구성되어 상기 프리프레그층의 일면에 형성된 고정층;을 포함하는, 복층 구조 프리프레그.
- 청구항 1에 있어서,
상기 프리프레그층과 상기 고정층의 두께비는, 1:0.25~1인 것을 특징으로 하는, 복층 프리프레그 구조.
- 청구항 2에 있어서,
상기 프리프레그층의 두께는, 0.4mm 이하인 것을 특징으로 하는, 복층 프리프레그 구조.
- 청구항 1에 있어서,
상기 제1수지는, 125℃ 환경에서 겔타임(Gel-time)이 8~30분이고,
상기 제2수지는, 125℃ 환경에서 겔타임(Gel-time)이 2~10분인 것을 특징으로 하는, 복층 프리프레그 구조.
- 청구항 1에 있어서,
상기 제1수지는, 디시안디아미드(Dicyandiamide)계 경화제가 첨가된 에폭시 수지이고,
상기 제2수지는, 우레아(Urea)계 경화제가 첨가된 에폭시 수지인 것을 특징으로 하는, 복층 프리프레그 구조.
- 청구항 1에 있어서,
상기 고정층의 표면에 설치된 클리어 코팅층;을 더 포함하는, 복층 프리프레그 구조.
- 탄소섬유 직물을 직조하는 단계;
상기 탄소섬유 직물에 제1수지를 함침시켜 프리프레그를 제조하는 단계;
상기 프리프레그의 일면에 상기 제1수지보다 경화속도가 빠른 제2수지로 구성된 고정층을 형성시키는 단계;
고정층이 형성된 상기 프리프레그를 진공 포장하는 단계; 및
진공 포장된 상기 프리프레그를 오토클레이브에서 열간성형하는 단계;를 포함하는, 복층 프리프레그 구조 제조방법.
- 청구항 7에 있어서,
상기 프리프레그를 제조하는 단계와 상기 고정층을 형성시키는 단계 사이에, 제1수지가 함침된 프리프레그를 복수 개 적층하는 단계;를 더 포함하는, 복층 프리프레그 구조 제조방법.
- 청구항 7에 있어서,
상기 진공 포장하는 단계는, 고정층이 형성된 상기 프리프레그를 진공백 내에 투입하여 1bar 이하의 압력으로 감압하는 것을 특징으로 하는, 복층 프리프레그 구조 제조방법.
- 청구항 7에 있어서,
상기 열간성형하는 단계는, 압력 3~7bar, 온도 120~180℃ 환경에서 45~90분간 성형하는 것을 특징으로 하는, 복층 프리프레그 구조 제조방법.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020160125807A KR20180035990A (ko) | 2016-09-29 | 2016-09-29 | 복층 프리프레그 구조 및 그 제조방법 |
| US15/376,028 US20180087215A1 (en) | 2016-09-29 | 2016-12-12 | Multilayer prespreg structure and method of manufacturing the same |
| DE102017213809.2A DE102017213809B4 (de) | 2016-09-29 | 2017-08-08 | Mehrlagige vorimprägnierte (prepeg)- faserstruktur und verfahren zur herstellung derselben |
| CN201710744548.0A CN107880295B (zh) | 2016-09-29 | 2017-08-25 | 多层预浸料结构及其制造方法 |
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| KR1020160125807A KR20180035990A (ko) | 2016-09-29 | 2016-09-29 | 복층 프리프레그 구조 및 그 제조방법 |
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| CN113492472A (zh) * | 2020-07-31 | 2021-10-12 | 国际竹藤中心 | 一种热固性植物纤维预浸料及其制备方法和应用 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08112864A (ja) * | 1994-10-17 | 1996-05-07 | Mitsubishi Rayon Co Ltd | Cfrp成形物の製造方法 |
| KR101528336B1 (ko) * | 2014-08-04 | 2015-06-11 | 무한카본주식회사 | 탈오토클레이브 공정용 반함침 프리프레그의 제조방법 |
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| JPH08118381A (ja) * | 1994-10-19 | 1996-05-14 | Mitsubishi Rayon Co Ltd | Cfrp成形物の製造方法 |
| US8361265B2 (en) * | 2006-09-28 | 2013-01-29 | Toray Industries, Inc. | Process for producing composite prepreg base, layered base, and fiber-reinforced plastic |
| GB2471319A (en) | 2009-06-26 | 2010-12-29 | Hexcel Composites Ltd | Manufacturing composite materials containing conductive fibres |
| CN103042777B (zh) * | 2011-10-14 | 2016-09-14 | 杜邦公司 | 具有改进的抗冲击强度的复合层合物及其制备方法和用途 |
| TWI621639B (zh) * | 2013-01-07 | 2018-04-21 | 東麗股份有限公司 | 環氧樹脂組成物及預浸漬物 |
| US10000046B2 (en) | 2013-10-07 | 2018-06-19 | Rohr, Inc. | Methods for creating thick laminate structures |
| CN104859158B (zh) * | 2015-04-30 | 2017-11-24 | 山东大学 | 一种热塑性碳纤维复合材料板的制备方法 |
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- 2016-12-12 US US15/376,028 patent/US20180087215A1/en not_active Abandoned
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08112864A (ja) * | 1994-10-17 | 1996-05-07 | Mitsubishi Rayon Co Ltd | Cfrp成形物の製造方法 |
| KR101528336B1 (ko) * | 2014-08-04 | 2015-06-11 | 무한카본주식회사 | 탈오토클레이브 공정용 반함침 프리프레그의 제조방법 |
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| CN107880295A (zh) | 2018-04-06 |
| DE102017213809A1 (de) | 2018-03-29 |
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