CN116323182A - 复合金属面板 - Google Patents

复合金属面板 Download PDF

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CN116323182A
CN116323182A CN202180069487.7A CN202180069487A CN116323182A CN 116323182 A CN116323182 A CN 116323182A CN 202180069487 A CN202180069487 A CN 202180069487A CN 116323182 A CN116323182 A CN 116323182A
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adhesive
primer
silicone
metal sheets
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黄文艺
E·赫斯特
M·比奇
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DDP Specialty Electronic Materials US LLC
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    • C09J5/06—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers involving heating of the applied adhesive
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/29—Laminated material
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    • B32B2250/00—Layers arrangement
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
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Abstract

复合面板包括各自具有内表面和外表面的第一和第二金属片材、在这些第一和第二金属片材的内表面上的基于硅酮的底漆涂层以及使这些第一和第二金属片材二者上的底漆涂层进行接触的有机硅粘合剂，其中该粘合剂具有不大于1.4MJ/m2的总热值(Q‑PCS)。该面板符合规范EN 13501‑6:2018，分类A1。

Description

复合金属面板
背景技术
1.发明领域
本发明涉及一种可用于建筑构造的复合金属面板。
2.相关技术的说明
金属插层面板已经在建筑构造中使用多年。这些面板在内部和在外部都可以安装。火灾造成的生命和财产损失正变得越来越受关注，并且已经公布了更高的标准来解决这些问题。一个这样的标准是规范EN 13501-6:2018，分类A1。
插层面板的另一个要求是在使用的同时没有分层，并且因此增加面板的部件之间的粘结强度也是希望的特征。
发明内容
本发明涉及一种复合面板，该复合面板包括各自具有内表面和外表面的第一和第二金属片材、在这些第一和第二金属片材的内表面上的基于硅酮的底漆涂层以及使这些第一和第二金属片材二者上的底漆涂层进行接触的有机硅粘合剂，其中该粘合剂具有不大于1.4MJ/m2的总热值(Q-PCS)。该面板符合规范EN 13501-6:2018，分类A1。
附图说明
图1是本发明的面板的一个实施例的截面视图。
图2是图1的扩展视图。
图3是本发明的面板的另一个实施例的截面视图。
具体实施方式
复合面板
如图1和图2所示，本发明的复合面板包括各自分别具有内表面11a或12a和外表面11b或12b的第一和第二金属片材11和12、在第一和第二金属片材的内表面上的基于硅酮的底漆涂层13a和13b以及使第一和第二金属片材二者上的底漆涂层进行接触的有机硅粘合剂14。
第一和第二金属片材可以相同或不同。不同是意指两个片材具有不同的金属组成，或者如果具有相同的组成，则具有不同的等级、尺寸或一些其他的物理特性。优选的金属片材具有铝，如等级3003。典型的片材厚度为约1.5mm。
该面板符合规范EN 13501-6:2018，分类A1。
图3示出本发明的另一个任选实施例，其中功能层15位于至少一个金属片材的外部表面上。功能层意指提供附加功能的层，这些功能如装饰作用、拒水性、抗真菌特性、耐UV性、耐腐蚀性、耐划伤性和耐磨性。
底漆层
合适的底漆涂层基于硅烷、硅氧烷或者硅烷和聚氨酯的共混物。底漆增强了粘合剂与金属片材之间的粘结强度。粘合剂与片材之间的希望剥离强度为如通过ASTM D1876-08(2015)测量的至少25磅/线性英寸(pli)。
粘合剂
有机硅粘合剂具有不大于1.4MJ/m2的总热值(Q-PCS)。在一些实施例中，有机硅粘合剂是聚二甲基硅氧烷或其共聚物。在一些其他实施例中，有机硅粘合剂是聚二甲基硅氧烷或其共聚物与环氧树脂或尿烷或丙烯酸酯的共混物。
优选地，粘合剂具有不大于150℃、更优选不大于120℃的固化温度。
优选地，固化粘合剂的厚度不大于100微米、更优选不大于70微米并且最优选不大于60微米。
合适的粘合剂是来自密歇根州米德兰市陶氏公司(Dow)的DOWSILTMHM-2400。
测试方法
180°剥离附着力测试是根据ASTM C794-18，并且90°剥离测试符合ASTM D6862-11。
实例
防火测试
据预测，如本文所述的其中粘合剂具有不大于1.4MJ/m2的总热值(Q-PCS)的复合铝面板将符合EN 13501-6:2018，分类A1。
面板剥离强度评估。
180°和90°剥离附着力测试二者在如图1和图2所例示的代表性复合面板上进行。
铝片材是来自Buymetal.公司的3003等级H14精轧，1.5mm厚。
对以下三种底漆进行评估：
第1种-BETASEALTM 16100A，来自特拉华州威尔明顿市的杜邦公司(DuPont)的一步法底漆。
第2种-BETASEALTM 43521/BETASEALTM 43532，也来自杜邦公司的两步法底漆。
第3种-DOWSILTM 1200 OS，来自密歇根州米德兰市陶氏公司的一步法底漆。
将这些底漆施加至铝板的表面并根据ASTM C784-18进行调整。底漆涂层对于底漆1(BETASEALTM 16100A)而言以约0.1-1微米的量存在，对于底漆2(BETASEALTM 43521/BETASEALTM 43532)而言以76-127微米的量存在，并且对于底漆3(DOWSILTM 1200 OS)而言以0.1-1微米的量存在。
作为对照，还有不含底漆的实例。
在所有实例中，硅酮粘合剂是所施加的DOWSILTM HM-2400，使得固化粘合剂的厚度为约4mm。
如下制备附着力测试样品。将DOWSILTM 2400硅酮组装密封剂通过热熔性喷枪在120℃下预热45分钟。根据测试方法ASTM C794-18制备剥离附着力(adhesion-in-peel)面板样品。将遮蔽胶带施加至与测试区域相邻的铝板表面以允许容易地去除过量的硅酮粘合剂密封剂。然后，将长度为至少150mm(6英寸)的硅酮粘合剂珠粒分配在铝板表面上。在通过使用热枪使该珠粒保温的同时，将金属丝网筛立即置于珠粒上并轻轻拍进硅酮粘合剂密封剂中。接下来，用手指握住筛以防止滑移并将其轻柔地向下拉向硅酮粘合剂密封剂以将金属丝网嵌入湿密封剂中。这借助于从一侧与基底保持90°角度的工具设备来完成。然后将金属丝网筛嵌入到离基底表面2mm的均匀深度。立即将硅酮粘合剂密封剂的第二珠粒施加在密封剂的第一珠粒及金属丝网筛上。再一次，用手指握住筛以防止滑移，并且使用工具设备从另一侧以与基底成90°角度向下拉密封剂。密封剂的总深度为约4mm，并且金属丝网筛均匀嵌入在总密封剂深度的近似中点处。筛是钢筛并且筛表面用二甲苯清洁。
去除超出金属丝网筛边缘的过量硅酮粘合剂密封剂，同时使用腻子刀或抹刀将密封剂润湿。最后，去除遮蔽胶带，并且允许硅酮粘合剂密封剂在22℃(72°F)下且在50％ RH下固化一周。
180°剥离测试：
将筛测试试片以50mm/min的速率拉动持续总计1分钟。记录峰值负载和平均负载，并且记下失效模式(粘合失效或内聚失效)。结果示于表1中。
表1
Figure BDA0004170572260000041
如表1中所报告的关键发现总结如下：(a)在没有底漆的情况下，仅发生粘合失效；(b)底漆1(BETASEALTM 16100A)起最佳作用，并且当与不含底漆的对比实例相比时，它在峰值负载下将附着力提高了50％。(c)底漆3(DOWSILTM 1200 OS)在内聚失效的情况下还显著提高了附着力；(d)两步法底漆2号(BETASEALTM 43521/43532)示出在粘合失效的情况下对附着力的影响较小。这些结果证实了以下结论：底漆的适当选择可以在提供硅酮粘合剂层与铝板之间的内聚粘合以及显著提高粘合强度方面起到重要的作用。
90°剥离测试：
按照ASTM C794-18制备1英寸宽的样品。剥离距离为150mm(6英寸)。将测试试样放置在Instron拉伸测试机中，其中基底被固定至固定构件，并且金属丝网筛的松端以90°的角度被固定至可移动构件。记录峰值负载和平均负载，并且报告失效模式(粘合失效或内聚失效)。将发现呈现于表2中。
表2
Figure BDA0004170572260000051
观察到与对于180°剥离测试类似的观察结果，即：(a)未经底漆处理的对比实例B示出最低的剥离强度；(b)经底漆1号(BETASEALTM 16100A)处理的样品展现出最强的剥离强度，其中平均负载为75.93lbf，这表明相对于对比实例B(即平均负载为41.86lbf)，平均负载提高了超过80％；(c)经底漆2号(BETASEALTM 43521/43532)和底漆3号(DOWSILTM 1200OS)处理的样品分别具有64.26lbf和48.06lbf的平均负载；(d)与平均负载相比，峰值负载数据展示出更大的变化。这进一步强化了以下结论：底漆对硅酮粘合剂层与铝片材之间的粘合强度有积极的影响。

Claims (11)

1.一种复合面板，其包括：
各自具有内表面和外表面的第一和第二金属片材，
在所述第一和第二金属片材的所述内表面上的基于硅酮的底漆涂层，以及
使所述第一和第二金属片材二者上的所述底漆涂层进行接触的有机硅粘合剂，其中
所述粘合剂具有不大于1.4MJ/m2的总热值(Q-PCS)，并且
所述面板符合规范EN 13501-6:2018，分类A1。
2.如权利要求1所述的面板，其中，所述金属片材是铝片材。
3.如权利要求1所述的面板，其中，所述有机硅粘合剂是聚二甲基硅氧烷或其共聚物。
4.如权利要求1所述的面板，其中，所述有机硅粘合剂是聚二甲基硅氧烷或其共聚物与环氧树脂或尿烷或丙烯酸酯的共混物。
5.如权利要求1所述的面板，其中，所述粘合剂具有不大于150℃的固化温度。
6.如权利要求1所述的面板，其中，所述固化粘合剂的厚度不大于100微米。
7.如权利要求1所述的面板，其中，所述底漆基于硅烷、硅氧烷或者硅烷和聚氨酯的共混物。
8.如权利要求1所述的面板，其进一步包括位于所述金属片材的至少一个外部表面上的功能层。
9.如权利要求5所述的面板，其中，所述粘合剂具有不大于120℃的固化温度。
10.如权利要求6所述的面板，其中，所述固化粘合剂的厚度不大于70微米。
11.如权利要求10所述的面板，其中，所述固化粘合剂的厚度不大于60微米。
CN202180069487.7A 2020-10-14 2021-09-17 复合金属面板 Pending CN116323182A (zh)

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PCT/US2021/050894 WO2022081296A1 (en) 2020-10-14 2021-09-17 Composite metallic panel

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EP (1) EP4228891B1 (zh)
JP (1) JP2023546395A (zh)
KR (1) KR20230088362A (zh)
CN (1) CN116323182A (zh)
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4530877A (en) * 1981-10-22 1985-07-23 Cyclops Corporation Fire resistant foam insulated building panels
EP0347049A3 (en) * 1988-06-15 1990-06-13 Dow Corning Corporation Improved primer compositions
US6841647B2 (en) * 2001-11-06 2005-01-11 National Starch And Chemical Investment Holding Corporation Fluid resistant silicone encapsulant
JP4424536B2 (ja) * 2004-03-10 2010-03-03 中国塗料株式会社 重防食積層被膜、重防食積層被膜付き鋼材および重防食積層被膜の形成方法
WO2016091244A2 (de) 2014-12-08 2016-06-16 Wenker Gmbh & Co. Kg Paneelsystem für die erstellung von räumen
EP3517292A4 (en) * 2016-09-26 2020-05-20 Dow Toray Co., Ltd. LAMINATE, METHOD FOR MANUFACTURING SAME, AND METHOD FOR MANUFACTURING ELECTRONIC COMPONENT

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US11752732B2 (en) 2023-09-12
JP2023546395A (ja) 2023-11-02
EP4228891A1 (en) 2023-08-23
WO2022081296A1 (en) 2022-04-21
EP4228891B1 (en) 2024-06-26
KR20230088362A (ko) 2023-06-19

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