KR20180018687A - 변형가능한 금속 롤을 이용한 액체 코팅 방법 및 장치 - Google Patents
변형가능한 금속 롤을 이용한 액체 코팅 방법 및 장치 Download PDFInfo
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- KR20180018687A KR20180018687A KR1020187000836A KR20187000836A KR20180018687A KR 20180018687 A KR20180018687 A KR 20180018687A KR 1020187000836 A KR1020187000836 A KR 1020187000836A KR 20187000836 A KR20187000836 A KR 20187000836A KR 20180018687 A KR20180018687 A KR 20180018687A
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- B—PERFORMING OPERATIONS; TRANSPORTING
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Abstract
Description
도 1은 본 발명의 제1 실시 형태의 일부를 수행하는 코팅 장치의 사시도;
도 2는 단면 선(2-2)을 따라 취한 도 1의 롤러 중 하나를 통한 단면 측면도;
도 3은 실시예 1에 기술된 실험의 사진;
도 4는 비교예 C1에 기술된 실험의 사진;
도 5는 실시예 2에 기술된 실험의 사진;
도 6은 비교예 C2에 기술된 실험의 사진;
도 7은 실시예 3에 기술된 실험의 사진;
도 8은 비교예 C3에 기술된 실험의 사진.
도면에서, 유사한 도면 부호는 유사한 요소를 지시한다. 축척에 맞게 작성되지 않을 수 있는 전술된 도면이 본 발명의 다양한 실시 형태를 개시하고 있지만, 상세한 설명에 언급된 바와 같이, 다른 실시 형태가 또한 고려된다. 모든 경우에, 본 발명은 현재 개시되는 발명을 명백한 제한으로서가 아니라 예시적인 실시 형태의 표현으로서 기술한다. 본 발명의 범주 및 사상에 속하는 많은 다른 변형예 및 실시 형태가 당업자에 의해 고안될 수 있음을 이해하여야 한다.
Claims (20)
- 제1 롤, 제2 롤, 및 상기 제1 롤과 상기 제2 롤 사이에 형성된 닙(nip)을 제공하는 단계;
상기 닙에 코팅 액체를 공급하는 단계; 및
상기 닙을 통하여, 액체 코팅의 실질적으로 균일한 층으로 상기 코팅 액체를 평활화하는 단계를 포함하고,
상기 제1 롤은 얇은 금속 쉘 및 탄성 층을 포함하고, 상기 얇은 금속 쉘은 그 아래의 상기 탄성 층을 둘러싸고, 상기 얇은 금속 쉘은 상기 얇은 금속 쉘이 상기 제2 롤과 접촉할 때 상기 닙에서 탄성 변형될 수 있도록 상기 탄성 층과 일체로 편향될 수 있고,
상기 액체 코팅의 층은 기판으로 이송되는, 방법. - 제1항에 있어서, 상기 기판 상의 상기 액체 코팅의 층은 약 5 미크론 이하의 두께를 갖는, 방법.
- 제1항 또는 제2항에 있어서, 상기 얇은 금속 쉘은 상기 제1 롤로부터 제거가능하도록 구성되는, 방법.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 제1 롤은 강성의 중심 코어를 추가로 포함하고, 상기 탄성 층은 상기 강성의 중심 코어의 주연부 주위에서 실질적으로 균일한 두께를 갖는, 방법.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 기판은 무한 길이의 웨브(web)이고, 상기 방법은 상기 제1 롤과 상기 제2 롤 중 하나의 롤 주위에 상기 웨브를 감는 단계를 추가로 포함하는, 방법.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 제1 롤과 상기 제2 롤 중 하나의 롤이 회전하는 라인 속도를 결정하는 단계를 추가로 포함하고, 상기 코팅 액체의 점도와 미리 결정된 라인 속도는 상기 코팅에 대한 계산된 모세관수(capillary number)(Ca)가 임계값(critical value)보다 크도록 하는, 방법.
- 제6항에 있어서, 상기 모세관수(Ca)의 임계값은 약 0.1 내지 약 2의 범위에 있고, 상기 모세관수(Ca)는 500 이하인, 방법.
- 제1항 내지 제7항 중 어느 한 항에 있어서, 상기 얇은 금속 쉘은 니켈을 포함하는, 방법.
- 제1항 내지 제8항 중 어느 한 항에 있어서, 상기 얇은 금속 쉘은 약 0.1 mm 내지 약 1 mm의 두께를 갖는, 방법.
- 제1항 내지 제9항 중 어느 한 항에 있어서, 상기 탄성 층은 압축가능하고, 상기 얇은 금속 쉘과 상기 탄성 층 사이에서의 미끄러짐을 방지할 수 있는, 방법.
- 제1항 내지 제10항 중 어느 한 항에 있어서, 상기 탄성 층은 패턴화된 엘라스토머를 포함하는, 방법.
- 얇은 금속 쉘 및 탄성 층을 포함하는 제1 롤로서, 상기 얇은 금속 쉘은 그 아래의 상기 탄성 층을 둘러싸고 상기 얇은 금속 쉘은 상기 탄성 층과 일체로 편향될 수 있는, 상기 제1 롤;
상기 제1 롤과 함께 닙을 형성하는 제2 롤로서, 상기 얇은 금속 쉘이 상기 제2 롤과의 접촉에 의해 상기 닙에서 탄성 변형될 수 있는, 상기 제2 롤; 및
상기 닙 내에 코팅 액체를 공급하도록 배치된 액체 전달 시스템을 포함하는, 코팅 장치. - 제12항에 있어서, 상기 얇은 금속 쉘은 상기 탄성 재료의 층으로부터 제거가능하도록 구성되는, 코팅 장치.
- 제12항 또는 제13항에 있어서, 상기 제1 롤은 강성의 중심 코어를 추가로 포함하고, 상기 탄성 층은 상기 강성의 중심 코어의 주연부 주위에서 실질적으로 균일한 두께를 갖는, 코팅 장치.
- 제12항 내지 제14항 중 어느 한 항에 있어서, 상기 얇은 금속 쉘은 니켈을 포함하는, 코팅 장치.
- 제12항 내지 제15항 중 어느 한 항에 있어서, 상기 얇은 금속 쉘은 약 0.1 mm 내지 약 1 mm의 두께를 갖는, 코팅 장치.
- 제12항 내지 제16항 중 어느 한 항에 있어서, 상기 얇은 금속 쉘의 두께와 상기 제1 롤의 직경 사이의 비율은 1:15000 내지 1:80인, 코팅 장치.
- 제12항 내지 제17항 중 어느 한 항에 있어서, 상기 제2 롤은 강성 롤인, 코팅 장치.
- 제12항 내지 제18항 중 어느 한 항에 있어서, 미리 결정된 라인 속도로 상기 제1 및 제2 롤 중 하나의 롤을 회전시키도록 구성된 회전 메커니즘을 추가로 포함하고, 코팅 재료의 점도와 상기 미리 결정된 라인 속도는 상기 코팅에 대한 계산된 모세관수(Ca)가 임계값보다 크도록 하며, 상기 임계값은 약 0.1 이상인, 코팅 장치.
- 제12항 내지 제19항 중 어느 한 항에 있어서, 상기 탄성 층은 압축가능하고, 상기 얇은 금속 쉘과 상기 탄성 층 사이에서의 미끄러짐을 방지할 수 있는, 코팅 장치.
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US62/250,205 | 2015-11-03 | ||
PCT/US2016/036331 WO2016200866A1 (en) | 2015-06-12 | 2016-06-08 | Liquid coating method and apparatus with a deformable metal roll |
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US11465172B2 (en) | 2017-11-21 | 2022-10-11 | 3M Innovative Properties Company | Method and apparatus for coating on baggy web |
DE102018201684A1 (de) * | 2018-02-05 | 2019-08-08 | Tesa Se | Strukturierte Walzen im Kalander - und Nachkalandrierprozess |
DE102019119557A1 (de) * | 2018-07-31 | 2020-02-06 | Olbrich Gmbh | Vorrichtung und Verfahren zur Verarbeitung schersensibler Beschichtungsmassen |
WO2020069733A1 (en) | 2018-10-02 | 2020-04-09 | Tata Steel Ijmuiden B.V. | Method for treatment of galvanised or galvannealed steel |
EP3894094B1 (en) * | 2018-12-13 | 2024-04-24 | 3M Innovative Properties Company | Method and apparatus of slot die coating over deformable back-up roll |
US20230149969A1 (en) * | 2020-04-03 | 2023-05-18 | 3M Innovative Properties Company | Slot Die Coating Using Concave Die Lip Over Deformable Back-Up Roll |
CN111822302B (zh) * | 2020-07-27 | 2022-04-22 | 南京林业大学 | 木质平口门扇侧边涂饰工艺 |
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EP3307443B1 (en) | 2024-05-22 |
CN107743423B (zh) | 2021-09-07 |
WO2016200866A1 (en) | 2016-12-15 |
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