CN101272846B - 反射性膜制备方法及由此得到的膜 - Google Patents
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Abstract
公开了一种制备反射性、防水、水蒸气可透过性膜的方法，包括以下步骤：提供防水及水蒸气可透过性膜；提供载体箔；在载体箔上施用膜；通过真空溅射在膜的空余表面上施用金属表面；施用防水及水蒸气可透过的覆盖层；除去载体箔。也公开了一种带有提供有连续覆盖层的金属涂层的反射性、防水、水蒸气可透过性膜。本发明的膜的特征在于根据DIN ENISO 6330:2000，清洗3次后至少有80％的活性金属涂层的表面保留在膜上。
Description
本发明涉及一种反射性膜制备方法以及反射性膜。
反射性膜是已知的。例如，这种类型的膜记载在WO 98/12494中。其涉及一种多微孔膜，膜上带有金属涂层，至少部分覆盖孔壁和膜表面。为了防止金属层的氧化，推荐整个膜包括孔壁都提供有覆盖层，并且孔保持开放。这是一个非常复杂的过程，因为它必须保证覆盖层没有间断地覆盖膜表面和孔壁。一旦发现覆盖层上的间断，就会造成对金属层不充分的保护。此外，覆盖层会在这些点上脱离并且阻塞膜孔，所以会造成水蒸汽可透过性的降低。为了保护这些孔，还希望能够使覆盖层至少连续涂覆在带有金属涂层的表面。正如下面所说，覆盖层这种方式的保护不够持久。
这种类型的膜在EP 1184482A1中同样有所记载。其涉及一种无孔膜，水蒸气分子在膜内被分离，经由物理化学过程通过膜被转运到膜外。金属层和随后的覆盖层也同样应用于此。这些膜非常薄，所以需要很大努力才能在膜上添加金属涂层以及覆盖层。鉴于膜的用途，膜在任何情况下都是层压到纺织织物上的，因此通常都是同时涂覆由纺织织物和膜组成的叠层物。然而，已经发现在40℃下首次清洗叠层物后，在膜上有效的金属层减少到不足80％。这种情况发生显然是因为清洗造成了覆盖层的破裂，清洗剂能够通过开口渗透到金属层，致使此处与清洗溶液接触的金属层被氧化或甚至部分被洗掉。
本发明的目的在于提供一种制备反射性、防水、水蒸气可透过性膜的方法，以及具有更稳定更耐久的覆盖层的反射性膜。本发明的目的也在于提供一种上述缺点至少有所改进的反射性、防水、水蒸气可透过性膜。
本发明的目的是通过一种制备反射性、防水、水蒸气可透过性膜的方法来实现的，其包括如下步骤：
提供防水及水蒸气可透过性膜，
提供载体箔，
在载体箔上施用膜，
通过真空蒸发在膜的空余表面上施用金属表面，
施用防水及水蒸气可透过的覆盖层，
除去载体箔。
已经惊喜的发现通过用载体箔代替纺织织物，涂覆的覆盖层与金属表面的连接更加稳定，因此通过此法制得的膜可以被更频繁地清洗。
在最简单的例子中，膜能够简单的被放置到载体箔上，在此过程中必须注意保证在膜和载体箔之间没有空气气泡形成。由在膜和/或载体箔上的静电电荷产生的附着力通常足够实现本发明的方法。
已经被证实，对于本发明的方法，如果膜到载体箔上的施用是利用通过双组分喷嘴的膜材料和载体箔的材料的组合挤出来实施的，是特别优选的。在这种情况下，原料应选自这样的类型，也就是即使在熔融状态下，膜材料和载体箔的材料在接触时不产生化学结合或明显的物理连接，因此能够保证在本发明的方法完成后载体箔可以从膜上去除。
本发明方法突出的特征在于聚醚酯、聚醚酰胺或聚醚氨酯被用作膜材料，并且/或聚烯烃、聚丙烯、聚氯乙烯、聚乙烯、PTFE、聚酯或聚酰胺被用作载体箔的材料。
特别地，已经证实如果使用水蒸气可透过的聚氨酯作为覆盖层材料是特别优选的。如果聚氨酯在0.1-5秒内达到120-200℃，随后施用金属涂层，并保持此温度直到聚氨酯完全固化，是十分有利的。
本发明的目的也可通过一种可根据本发明方法制备所得到的带有金属涂层的反射性、防水、水蒸气可透过性膜来实现，金属涂层上具有连续的覆盖层，其特征在于，根据DIN EN ISO 6330：2000，在40℃下清洗3次后，优选清洗5次后，至少80％的活性金属涂层的表面保留在膜上。这种如上所述的质量水平在以前是不能通过覆盖层的连续形成而得以实现的。
本发明的目的也可通过一种带有金属涂层的反射性、防水、水蒸气可透过性膜来实现，该金属涂层上涂覆有连续的覆盖层，其特征在于，根据DIN EN ISO 6330：2000，在40℃下清洗3次，优选清洗5次后，至少80％的活性金属涂层的表面保留在膜上。
根据本发明的膜的覆盖层优选由聚氨酯组成。
根据本发明的膜可以由适合制备防水及水蒸气可透过性的膜的所有材料组成。然而根据本发明，膜优选由聚醚酯、聚醚酰胺或聚醚氨酯组成。
特别地，铝、铜或银已经被证实是本发明膜反射层的优选材料。
基于以下实施例对本发明进行更详细的解释：
实施例1(对比例)
一方面，将由共聚醚酯制得的15μm厚的无孔膜层叠在单位面积质量56g/m2的聚酯无纺布(叠层物A)上，另一方面将该无孔膜层叠在单位面积质量115g/m2的聚酯织物(叠层物B)上。根据EP 1184482的方法，由此得到的叠层物都分别提供60nm厚的铝层，并且最后提供1.25μm厚的聚氨酯覆盖层。这些叠层物在41℃下通过用带有水平安装的鼓的前装填式A型清洗机以及不含磷的ECE参比的去污剂A来完成清洗和旋干，最终干燥(根据DIN EN ISO 6330：2000方法B)。在仅一次清洗后，仅59％的叠层物A和44％的叠层物B上的铝层表面有活性(两层的区别在于非活性层表面活性低于活性层)。在3次清洗后，仅47％的叠层物A和32％的叠层物B上的铝层表面有活性。
实施例2(根据本发明)
制备共聚醚酯和聚丙烯的双层片，其具有由共聚醚酯制成的15μm厚无孔膜以及由聚丙烯制成的35μm厚的载体箔。然后，根据EP 1184482中记述的方法，在膜的侧面提供60nm厚的铝层，并且最后提供1.25μm厚的聚氨酯覆盖层。膜随后从载体箔上分离，并且一方面层叠在在单位面积质量56g/m2的聚酯无纺布(叠层物C)上，另一方面层叠在单位面积质量115g/m2(叠层物D)聚酯织物上，其中膜非金属化的一侧分别与聚酯无纺布或聚酯织物相结合。这些叠层物在41℃下通过用带有水平安装的鼓的前装添式A型清洗机以及不含磷的ECE参比的去污剂A来完成清洗和旋干，最终干燥(根据DIN EN ISO 6330：2000的方法B)。在一次清洗后，97％的叠层物C和96％的叠层物D上的铝层表面仍有活性。在3次清洗后，92％的叠层物C和91％的叠层物D上的铝层表面仍有活性，在5次清洗后，87％的叠层物C和85％的叠层物D上的铝层表面仍有活性。
Claims (12)
1.一种制备反射性、防水、水蒸气可透过性膜的方法，其包括以下步骤，
提供防水、水蒸气可透过性膜，
提供载体箔，
在载体箔上施用膜，
通过真空蒸发在膜的空余表面上施用金属表面，
施用连续、防水、水蒸气可透过性覆盖层，
除去载体箔。
2.如权利要求1所述的方法，其特征是将膜施用在到载体箔上是利用通过双组分喷嘴的膜材料和载体箔的材料的组合挤出实施的。
3.如权利要求1所述的方法，其特征在于聚醚酯、聚醚酰胺或聚醚氨酯被用作膜材料。
4.如权利要求2所述的方法，其特征在于聚醚酯、聚醚酰胺或聚醚氨酯被用作膜材料。
5.如权利要求1到4中任一项所述的方法，其特征在于聚烯烃、聚氯乙烯、PTFE、聚酯或聚酰胺被用作载体箔的材料。
6.如权利要求5所述的方法，其特征在于聚烯烃为聚丙烯或聚氯乙烯。
7.如权利要求1到4中任一项所述的方法，其特征在于水蒸气可透过性聚氨酯被用作覆盖层的材料。
8.如权利要求5所述的方法，其特征在于水蒸气可透过性聚氨酯被用作覆盖层的材料。
9.如权利要求6所述的方法，其特征在于水蒸气可透过性聚氨酯被用作覆盖层的材料。
10.如权利要求7所述的方法，其特征在于使聚氨酯在0.1-5秒内达到120-200℃，随后施用金属涂层，并保持此温度直到聚氨酯完全固化。
11.如权利要求8所述的方法，其特征在于使聚氨酯在0.1-5秒内达到120-200℃，随后施用金属涂层，并保持此温度直到聚氨酯完全固化。
12.如权利要求9所述的方法，其特征在于使聚氨酯在0.1-5秒内达到120-200℃，随后施用金属涂层，并保持此温度直到聚氨酯完全固化。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP05021475 | 2005-09-30 | ||
| EP05021475.8 | 2005-09-30 | ||
| PCT/EP2006/009306 WO2007039180A1 (de) | 2005-09-30 | 2006-09-26 | Verfahren zum herstellen einer reflektierenden membran und daraus hergestellte membran |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101272846A CN101272846A (zh) | 2008-09-24 |
| CN101272846B true CN101272846B (zh) | 2013-02-20 |
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| CN200680035665XA Expired - Fee Related CN101272846B (zh) | 2005-09-30 | 2006-09-26 | 反射性膜制备方法及由此得到的膜 |
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| Country | Link |
|---|---|
| US (1) | US8119246B2 (zh) |
| EP (1) | EP1937394B1 (zh) |
| JP (1) | JP5074404B2 (zh) |
| CN (1) | CN101272846B (zh) |
| AT (1) | ATE487531T1 (zh) |
| CA (1) | CA2624484A1 (zh) |
| DE (1) | DE502006008297D1 (zh) |
| RU (1) | RU2422062C2 (zh) |
| WO (1) | WO2007039180A1 (zh) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2473293C1 (ru) * | 2011-10-18 | 2013-01-27 | Российская Федерация, От Имени Которой Выступает Министерство Промышленности И Торговли Российской Федерации | Комбинированный материал - ламинат |
| CN104875956A (zh) * | 2015-05-25 | 2015-09-02 | 江苏宏远新材料科技有限公司 | 薄而软的透明薄膜 |
| WO2017156293A1 (en) * | 2016-03-11 | 2017-09-14 | W. L. Gore & Associates, Inc. | Reflective laminates |
| US20180313079A1 (en) * | 2017-04-26 | 2018-11-01 | Robert D. Russell | Multi-Layered Metalized Film For Use In Agriculture |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2294426A (en) * | 1994-10-27 | 1996-05-01 | Dermot Christopher John Barrow | Lightweight flexible absorbent laminar fabric |
| US20020049020A1 (en) * | 2000-09-01 | 2002-04-25 | Sympatex Technologies Gmbh | Water-vapor-permeable, watertight, and heat-reflecting flat composite, process for its manufacture, and use thereof |
| WO2004020931A1 (de) * | 2002-08-30 | 2004-03-11 | W.L. Gore & Associates Gmbh | Infrarot reflektierendes abdeckmaterial |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5055338A (en) | 1987-03-11 | 1991-10-08 | Exxon Chemical Patents Inc. | Metallized breathable films prepared from melt embossed polyolefin/filler precursor films |
| CA2099852A1 (en) | 1992-07-07 | 1994-01-08 | Stephen Randall Holmes-Farley | Process for utilizing a metallic interlayer to enhance adhesion between a metal and a polymeric substrate |
| CN1072559C (zh) * | 1995-04-11 | 2001-10-10 | W·L·戈尔及同仁股份有限公司 | 红外反射覆盖材料 |
| US5955175A (en) | 1996-09-20 | 1999-09-21 | W. L. Gore & Associates, Inc. | Infra-red reflective coverings |
| US20060188558A1 (en) * | 2005-02-18 | 2006-08-24 | Mylan Technologies, Inc. | Transdermal systems having control delivery system |
-
2006
- 2006-09-26 RU RU2008117142A patent/RU2422062C2/ru not_active IP Right Cessation
- 2006-09-26 AT AT06792253T patent/ATE487531T1/de active
- 2006-09-26 US US11/991,375 patent/US8119246B2/en not_active Expired - Fee Related
- 2006-09-26 CA CA 2624484 patent/CA2624484A1/en not_active Abandoned
- 2006-09-26 WO PCT/EP2006/009306 patent/WO2007039180A1/de active Application Filing
- 2006-09-26 JP JP2008532649A patent/JP5074404B2/ja not_active Expired - Fee Related
- 2006-09-26 CN CN200680035665XA patent/CN101272846B/zh not_active Expired - Fee Related
- 2006-09-26 EP EP20060792253 patent/EP1937394B1/de not_active Not-in-force
- 2006-09-26 DE DE200650008297 patent/DE502006008297D1/de active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2294426A (en) * | 1994-10-27 | 1996-05-01 | Dermot Christopher John Barrow | Lightweight flexible absorbent laminar fabric |
| US20020049020A1 (en) * | 2000-09-01 | 2002-04-25 | Sympatex Technologies Gmbh | Water-vapor-permeable, watertight, and heat-reflecting flat composite, process for its manufacture, and use thereof |
| WO2004020931A1 (de) * | 2002-08-30 | 2004-03-11 | W.L. Gore & Associates Gmbh | Infrarot reflektierendes abdeckmaterial |
Also Published As
| Publication number | Publication date |
|---|---|
| DE502006008297D1 (de) | 2010-12-23 |
| EP1937394A1 (de) | 2008-07-02 |
| CN101272846A (zh) | 2008-09-24 |
| CA2624484A1 (en) | 2007-04-12 |
| WO2007039180A1 (de) | 2007-04-12 |
| JP2009509798A (ja) | 2009-03-12 |
| ATE487531T1 (de) | 2010-11-15 |
| EP1937394B1 (de) | 2010-11-10 |
| RU2422062C2 (ru) | 2011-06-27 |
| RU2008117142A (ru) | 2009-11-10 |
| US20090226731A1 (en) | 2009-09-10 |
| US8119246B2 (en) | 2012-02-21 |
| JP5074404B2 (ja) | 2012-11-14 |
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