KR101485692B1 - 열가소성 수지 사이징제의 제조 및 처리 방법 - Google Patents
열가소성 수지 사이징제의 제조 및 처리 방법 Download PDFInfo
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- KR101485692B1 KR101485692B1 KR1020130095761A KR20130095761A KR101485692B1 KR 101485692 B1 KR101485692 B1 KR 101485692B1 KR 1020130095761 A KR1020130095761 A KR 1020130095761A KR 20130095761 A KR20130095761 A KR 20130095761A KR 101485692 B1 KR101485692 B1 KR 101485692B1
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- thermoplastic resin
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- 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
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Abstract
본 발명은 상온 부근에서 안정성을 유지하는 열가소성수지 사이징제를 제조하여 사이징제의 함침도를 높일 수 있다. 따라서, 본 발명의 사이징제를 사용하는 경우 섬유와 열가소성 수지 사이의 계면 결합력이 증가하여 섬유 강화 복합재료의 기계적 물성을 증가시킬 수 있으며, 상온 공정이 가능하므로 경제적 이다.
Description
도 2는 비교예 1 및 실시예 1에서 복합재료를 제조하기 위한 성형 사이클을 나타내는 그래프이다.
도 3는 실시예 1에서 제조한 열가소성수지 겔 및 열가소성수지 펠렛, 그리고 열가소성수지 겔을 진공오븐 안에서 12시간 동안 건조시킨 시편에 대한 XRD 결과이다.
도 4는 실시예 1에 따라 제조된 열가소성수지 겔과 용액으로 필름을 제작하여 인장시험한 결과이다.
도 5는 실시예 1에 따라 열가소성수지 사이징제에 함침시킨 섬유를 마이크로웨이브를 통해 용매 제거 및 고화를 진행한 후 열중량분석 (TGA)을 수행한 결과를 나타내 그래프이다.
도 6a는 비교예 1에 따라 표면에 사이징 처리되지 않은 섬유의 표면을 SEM으로 관찰한 결과를 나타낸 사진이고, 도 6b는 실시예 1에 따라 열가소성수지 사이징제로 처리한 섬유의 표면을 SEM으로 관찰한 결과를 나타낸 사진이다.
도 7은 비교예 1 내지 실시예 1에서 제조한 섬유 강화 열가소성수지 복합재료의 계면 전단강도를 측정한 결과를 나타낸 그래프이다.
도 8a는 비교예 1에서 제조한 섬유 강화 열가소성수지 복합재료의 단면을 SEM으로 관찰한 결과를 나타낸 사진이고, 도 8b는 실시예 1에서 제조한 섬유 강화 열가소성수지 복합재료의 단면을 SEM으로 관찰한 결과를 나타낸 사진이다.
Claims (15)
- 열가소성 수지를 용매에 넣고 용해하는 단계 ;
상기 용액을 급냉시켜 겔을 제조하는 단계 ; 및
상기 겔을 상기 용매에 넣어 재용해하는 단계를 포함하는 것을 특징으로 하는 사이징제의 제조방법. - 제 1항에 있어서, 상기 용해단계는 상기 열가소성 수지의 용해온도 이상의 온도로 유지하고, 상기 재용해 단계는 상기 열가소성 수지의 용해온도 미만의 온도로 유지하는 것을 특징으로 하는 사이징제의 제조방법.
- 제 1항에 있어서, 상기 재용해 단계는 상온에서 상기 겔을 용해하는 것을 특징으로 하는 사이징제의 제조방법.
- 제 1항에 있어서, 상기 겔을 제조하는 단계는 상기 용액을 급냉시킨 후 소정시간 동안 보관하는 안정화 단계를 포함하는 것을 특징으로 하는 사이징제의 제조방법.
- 제 4항에 있어서, 상기 안정화 단계는 상기 용매의 녹는점 부근에서 수행되는 것을 특징으로 하는 사이징제의 제조방법.
- 제 1항에 있어서, 상기 급냉 온도는 5℃~-273℃인 것을 특징으로 하는 사이징제의 제조방법.
- 제 1항에 있어서, 상기 방법은 상기 용액을 액체질소에서 급냉시키는 것을 특징으로 하는 사이징제의 제조방법.
- 제 1항에 있어서, 상기 열가소성 수지는 아이소테틱 폴리프로필렌 (isotactic Polypropylene), 나일론 (Nylon), 폴리에틸렌 (Polyethylene), 폴리에테르에테르케톤 (Polyetheretherketone), 폴리에틸렌 테레프타레이트 (Polyethylene terephthalate) 및 폴리테트라플루오르에틸렌 (Polytetrafluoroethylene)에서 선택된 하나 이상인 것을 특징으로 하는 사이징제의 제조방법.
- 제 1항에 있어서, 상기 용매는 1,2-디클로로벤젠 (1,2-dichlorobenzene), 사이클로헥산 (cyclohexane), 에틸 벤젠 (Ethyl benzene), 메틸사이클로헥산 (Methylcyclohexane), 아세톤 (Acetone), 메탄올 (Methanol) 메틸렌 클로라이드 (Methylene Chloride), 디메틸포름아미드 (Dimethylformamide), 트리클로로벤젠 (Trichlorobenzene), 테트라히드로푸란 (Tetrahydrofuran) 및 디메틸아세트아마이드 (Dimethylacetamide)에서 선택된 하나 이상인 것을 특징으로 하는 사이징제의 제조방법.
- 삭제
- 삭제
- 삭제
- 제 1항 내지 제 9항 중 어느 한 항의 방법으로 제조된 사이징제를 섬유에 함침시키는 단계 ; 상기 사이징제가 함침된 섬유에서 용매를 제거하는 단계를 포함하는 것을 특징으로 하는 사이징 처리 방법.
- 제 13항에 있어서, 상기 용매 제거 단계는 마이크로웨이브를 조사하여 용매를 제거하는 단계인 것을 특징으로 하는 사이징 처리 방법.
- 열가소성 수지 필름과 탄소직물을 번갈아 적층한 후 압착하여 제조되고, 상기 탄소직물은 상기 제 13항의 사이징 처리된 것을 특징으로 하는 탄소섬유 복합재료의 제조방법.
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