CN1474788A - 光学活性膜复合材料 - Google Patents
光学活性膜复合材料 Download PDFInfo
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- CN1474788A CN1474788A CNA018188931A CN01818893A CN1474788A CN 1474788 A CN1474788 A CN 1474788A CN A018188931 A CNA018188931 A CN A018188931A CN 01818893 A CN01818893 A CN 01818893A CN 1474788 A CN1474788 A CN 1474788A
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Classifications
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Abstract
光学活性膜复合材料，包括用厚度小于6微米且铅笔硬度至少为2H的树脂粘合剂层涂布的聚合物膜底材，还包括30－60重量％的ATO或ITO的纳米颗粒以及第二种金属化合物的纳米颗粒，第二种金属化合物是无机化合物且吸收波长范围在700－1100nm内的光。复合材料优选地具有至少50％的％VLT和至少35％的TSER并具有小于1％的加权紫外吸收。
Description
技术领域
本发明涉及光学活性透明复合材料，且尤其涉及用于阻隔红外热能和紫外线的复合材料。
背景技术
传统的热阻隔透明复合材料可能包含很薄的反射金属层如银或铝，它通过真空沉积或溅射工艺沉积在透明底材上。然而如果此类复合材料是用于建筑或车辆的窗户时，膜必须极薄以避免高度反射并保留至少70％的高可见光透射量(VLT)。金属层还易于产生腐蚀问题。
为了避免上述问题，某些膜复合材料涂布了抗反射层。
已知各种无机金属化合物，尤其是氧化物的纳米颗粒可以分散在树脂粘合剂中形成涂层，涂层反射或吸收特定波段的红外能并允许可见光的高度透射。特别的，US5807511公开掺杂了锡氧化物的锑(ATO)对于波长大于1400nm的红外线具有很低的透射率，且从US5518810得知含有掺杂了铟氧化物的锡颗粒(ITO)的涂层也基本上阻隔波长大于1000nm的红外线，但是可以改变ITO的晶体结构使它阻隔波长下至700-900nm的光。US6060154公开了使用氧化钌、氮化钽、氮化钛、钛硅化物、钼硅化物和镧硼化物的精细颗粒来阻隔近红外范围的光的方法。它还公开了多种不同膜的用途，这些膜各自选择性地透射光。
EP-A-739272公开了具有紫外吸收特性的典型的透明聚合物膜。
EP-A-1008564公开了红外阻隔涂料组合物的使用，此组合物含有ATO或ITO以及金属六硼化物。ATO或ITO阻隔较高波长的红外线而六硼化物颗粒阻隔较低波长的光。涂料可以施用在聚合物膜底材上。
本发明探寻提供一种具有可见光透射率的透明薄膜，它阻隔了宽波长段的红外线并易于且能经济地商品化制造。
发明内容
依照本发明，提供了光学活性膜复合材料，它包括厚度小于6微米且铅笔硬度至少为2H，优选3H的树脂粘合剂涂层；还包括至少一种光吸收波长在1000-2500nm范围内的金属化合物的纳米颗粒；还包括第二种金属化合物的纳米颗粒，它是无机化合物且吸收波长范围在700-1100nm内的光。
优选地，复合材料的VLT至少为50％且％TSER至少是35％，更优选地，VLT为至少70％。VLT在50-60％范围内的复合材料的％TSER可能在50-65％之间。
铅笔硬度依照ASTM D3363-92a测定。
VLT是可见光透射率，使用CIE标准观察器(CIE 1924 1931)和D65日光计算。
％TSER是总太阳能排斥特性的百分数，依照ASTM E903-82，即用Journal of the Franklin Institute，Vol.230pp 583-618(1940)中Perry Moon描述的参数进行分析的吸收和透射数据，从涂布膜的光学和热排斥特性计算而来，涂布膜的光学和热排斥特性用VarianAnalytical Cary 5分光光度计测定。
纳米颗粒是平均直径为200nm或更小，且优选小于100nm的颗粒。
优选地，上述金属化合物为锑锡氧化物(ATO)、铟锡氧化物(ITO)或锡氧化物。优选地，上述金属化合物是ATO且涂层含有30-60重量％的ATO，优选含ATO为50-60重量％。
上述第二种化合物可以是如US5807511所述的改性ITO和/或至少一种来自元素周期表中镧系金属的金属六硼化物。优选的六硼化物为La、Ce、Pr、Nd、Gb、Sm和Eu且La是最优选项。
上述涂层含有最多3重量％的上述第二种金属化合物，优选小于2％，更优选介于0.5％-2％之间。
粘合剂可以是热塑性树脂如丙烯酸树脂、热固性树脂如环氧树脂、电子束固化树脂或优选地为紫外可固化树脂，紫外可固化树脂可以是US 4557980公开的丙烯酸酯树脂类型，或优选氨基甲酸乙酯丙烯酸酯树脂。
上述涂层是不导电的，这使得它尤其适用于与汽车挡风板或后窗有关的应用，特别是那些含有无线电天线的。
上述涂层可以涂布在透明聚合物膜底材上，优选聚酯膜，聚酯膜更优选聚对苯二甲酸乙二醇酯(PET)膜。红外阻隔层为膜底材形成了坚硬涂层，这在复合材料膜的制造过程中尤其有利并可以去除进一步处理过程。PET膜可用粘合剂涂布以将膜复合材料固定到例如建筑或汽车的现有窗户上。PET膜和/或粘合剂可以包括至少一种紫外线吸收材料，以基本阻隔所有的紫外线至小于1％加权紫外透射率。
加权紫外透射率衍生自依照ASTM E-424的测定，且如theAssociation of Industrial Metallisers，Coaters & Laminators(AIMCAL)所修正。
这些复合材料具有小于10％的低可见反射率且具有卓越的耐气候性且不失去吸收特性，并且在老化试验机上试验1500小时后仍然保持色彩。
复合材料可进一步包括至少一个玻璃片，它可以是层合的或单片的，涂布膜粘合在它上面，优选使用压力敏感粘合剂。涂布膜可以夹入两个玻璃片之间。
在某些环境下，可接受小于50％的％VTL并结合较高的热/红外排斥特性。依照本发明的另一方面，提供了光学活性膜复合材料，它包括涂布了一层厚度小于6微米的树脂的聚合物膜底材，树脂包括ATO的纳米颗粒和为无机物且光吸收波长为700nm-1100nm的第二金属化合物的纳米颗粒，复合材料的VTL大于50％且940nm波长处的％透射率不大于10％。
本发明更进一步提供了光学活性膜复合材料，它包括用树脂涂层涂布的透明底材，树脂涂层的厚度小于6微米且含有ATO的纳米颗粒和为无机物且光吸收波长为700nm-1100nm的第二金属化合物的纳米颗粒，并且第二个透明底材位于上述涂层之上，因而上述涂层夹在两个底材之间。
上述底材可以是PET膜或玻璃。
树脂层位于复合材料内部，树脂层的光学性质就稳定下来并提高了耐气候性。
依照本发明还提供了制造红外能量阻隔膜坚硬涂层的方法，其中至少一种光吸收波段为1000-2500nm的金属化合物的纳米颗粒在聚合物树脂溶液中的分散体，与光吸收波段为700-1100nm的第二金属化合物的纳米颗粒在能与上述溶液混溶的液体中的第二分散体相混合，液体混合物在底材上形成薄涂层并干燥以形成上述坚硬涂层。
底材优选为PET膜，可以处理其表面以粘合涂层。涂布膜在额定功率至少每英寸300瓦的紫外灯下通过而干燥，其线速度为至少50英尺/分。
液体混合物可以通过任何合适的方法施用到膜上，例如辊涂，尤其是利用照相凹版印刷技术、狭缝口模涂布、绕线棒涂布和刮刀涂布。
附图简述
本发明将通过实施例的方式进行描述并参考附图，其中：
图1是依照本发明的第一复合材料的示意图，
图2是依照本发明的第二复合材料的示意图，和
图3是依照本发明的第三复合材料的示意图，
本发明将在下面参考许多由以下材料制备的实施例而进行描述。
实施例
组合物A：基于紫外可固化氨基甲酸乙酯丙烯酸酯溶剂的涂料，含有约30-40％ATO纳米颗粒且由Sumitomo Osaka Cement提供，商标名为SHI-60。
组合物B是2.2重量％的无机金属化合物的纳米颗粒在甲苯中的分散体，此无机金属化合物吸收700-1000nm范围内的光，此分散体由Sumitomo Metal Mining提供，商标名KHF-7S。
组合物C是25％的ATO纳米颗粒在甲苯中的分散体，此分散体由Sumitomo Metal Mining提供，商标名FMF-3S。
组合物D是如US 4577 980中所述的紫外可固化聚丙烯酸酯涂料组合物。
PET膜是来自Dupont的4 & 7密耳Melinex 454表面处理PET、1密耳Misubishi 5000膜和1密耳Mitsubishi膜，如EP-A-739 274所述用紫外吸收剂处理。
红外阻隔复合材料的制备
通过轻柔搅拌混合所选组合物，由组合物A、B、C和D制备各种涂料。完全添加后进一步搅拌混合组合物30分钟。
不同的涂料配方通过使用不同尺寸的绕线棒(Myers棒)施用到PET膜上，以在PET膜上沉积不同厚度范围的涂层。涂布膜在玻璃片上于70摄氏度干燥1分钟，并将涂层放在实验带上于每英寸300瓦的紫外灯下以50英尺/分的速度移动而固化。
如上所述检测不同配方的％VLT、％TSER和铅笔硬度。
不同样品的浊度通过使用亨特实验室紫外扫描XE来检测并在380-780nm波长范围内依照(扩散透射量/总透射量)×100来计算。
还依照ASTM D1044-93使用Taber研磨器检测了样品的抗磨损性(Abrasn.)。其结果作为使用各自装载1kg的CS10轮100个循环后浊度的增加而引用。
如图1所示的大量复合材料样品如所述制备。图1显示了复合材料10，它具有涂布于PET底材12上的各种配方涂层11。
实施例1
实施例1含有本发明之外的对照样品且仅作为参考。含有不同重量比例的C和D的配方通过向C添加D而制备，并将配方涂布在7密耳(175微米)PET膜上。各种膜的光学性质在下面表1中给出。
表1
样品号 C∶D比值 Myers棒# DFT* ％VLT ％TSER ％浊度
1 1∶1 8 7.3 87 17 1.1
2 4∶1 8 4.6 83 22 0.8
3 5∶1 8 4.3 81.5 24.7 1.1
4 6∶1 8 4.0 79 25 ---
膜 86 16 0.8
*DFT以微米表示的干涂层厚度
表1的结果证明从现有工艺已知的是，有可能在粘合剂中结合高的ATO填充并仍然保持高的％VLT和低的浊度水平。％TSER仅仅是适中的。
实施例2
实施例2包含对照样品，其中组合物A以不同的涂层厚度涂布在4密耳(100微米)PET膜上。不同厚度样品的光学性质显示在下面表2中
表2
样品号 Myers棒# DFT ％VLT ％TSER ％浊度
5 4 3.1 84 19.9 1.2
6 6 4.6 82 23.4 0.9
7 8 6.2 79 27.8 0.9
8 10 7.7 80 26.1 0.8
膜 87 10.0 0.8
表2的结果也证明了如果具有高水平的ATO，那么膜厚度的增加对于太阳能的排斥(％TSER)不必具有成比例的影响。膜透明度(％VLT)和浊度水平保持下来但太阳能排斥水平仅仅可能是适中的。
实施例3
实施例3包含B和D配方的对照样品，在本发明范围之外。通过将D混合到B中来制备不同的配方，且将各种配方涂布到7密耳(175微米)PET膜上。光学性质在下面表3中给出：
表3
样品号 B∶D 所加甲 Myers DFT ％VLT ％TSER ％浊度
重量比 苯pbr* 棒#
9 1∶1 0 8 5.5 67 41 2.6
10 1∶1 1 8 3.7 79 27 2.1
膜 86 16 0.8*pbr以树脂的重量份数表示
数据显示D中添加B导致不合格的％VLT和浊度水平，但是较厚的涂层产生合适的％TSER。
实施例4
实施例4包括本发明范围之外的对照样品，D混合到B和C的混合物中制成B、C和D的不同配方，将其涂布到4密耳(100微米)PET膜上，光学性质在下面表4中给出：
表4
样品号 D∶C∶B Myers DFT ％VLT ％TSER ％浊度 Abrasns
重量比 棒#
11 1∶4∶1 4 2 86.5 19.9 0.9 -
6 3 83 26.2 0.9 -
8 4 78.6 32.7 1.0 -
10 5 78.6 31.6 1.0 -
12 1.5∶5.5∶1 8 4 81.5 24.8 1.6 21
10 5 80.5 27.4 1.6 21
12 6 76.5 32.0 1.7 15
14 7 74.8 33.7 1.7 14
13 2∶5.5∶1 8 5 81.5 25.5 1.6 11
10 6 80.5 24.8 1.7 11
12 7 76.5 31.2 1.8 9
14 8 74.8 33.2 1.7 9
14 1∶0∶0 6 3 88.0 18 0.8 8
膜 87.0 10 0.8 -
结果证明在树脂粘合剂D中简单地添加B和C以接近最适宜的光透射率(％VLT)和能量排斥(％TSER)，就生成了具有不合格抗磨损性的膜(样品12)。添加更多的化合物D以提高抗磨损性导致涂层厚度不经济(样品13)，需要过多的材料和处理要求。
样品14证实了合格的抗磨损水平。实施例5
实施例5包含依照本发明的样品。A∶B的各种配方通过往A中添加B制备，并将配方涂布到1密耳(25微米)PET膜上。所得光学性质在下面表5中给出。
表5
样品号 A∶B Myers DFT ％VLT ％TSER ％浊度 Abrasn.
重量比 棒#
15 5∶1 10 6.0 73.2 34.9 1.8 -
16 5∶2 6 3.1 78.2 31.8 1.8 8.9
7 3.7 73.3 39.3 1.8 8.6
8 4.1 72.1 39.1 1.8 8.4
9 4.7 74.1 36.4 1.9 8.2
10 5.1 66.6 48.6 1.9 9.8
17* 5∶2 6 3.1 77.0 32.6 3.0 12.1
7 3.7 72.6 38.3 3.0 9.2
8 4.1 68.9 42.2 3.2 9.2
9 4.7 65.7 47.8 3.2 9.4
10 5.1 62.9 47.8 3.3 10.4
18 5∶2.5 6 2.9 71.6 38.7 2.9 6.8
8 3.8 66.6 43.4 2.8 7.7
19* 5∶2.5 4 1.9 78.3 32.4 2.9 16
6 2.9 71.7 39.3 3.5 8.8
7 3.4 68.3 44.1 3.5 8.8
8 3.8 67.2 44 3.1 9.1
膜 88 9.9 1.9
膜* 87.5 14.0 3.0
膜*为如EP-A-739274所述含有紫外吸收材料的PET膜。
结果显示，通过在含有ATO的树脂粘合剂溶液中混合B，具有至多6微米的合格商业厚度的涂层就可达到所需的光学和热排斥特性，即70-75％VLT，35-40％TSER并具有优良的抗磨损性和合格的浊度。
铅笔硬度值为3H。
实施例6
上述表中的膜厚度值(DFT)是由涂层的体积固态含量和用不同的Myers棒涂布的近似湿膜厚度计算而来的。计算出的DFT对实际膜厚度仅仅是一个指导，没有考虑样品的多样性或树脂在固化和干燥中的收缩，这有可能达10-30％。
取上面表5中配方19*的进一步样品并涂布到1密耳PET膜上并进行测试。实际膜厚度使用1500-2000nm范围内的红外光谱中的干扰带进行光学测量(测量的DFT)，也使用扫描电子显微镜(SEM)进行测量。结果在下面表6中给出。
表6
Myers 计算的 光谱测量 SEM测量的 ％VLT ％TSER ％浊度 Ar.
棒 DFT 的OFT DFT(μ)
4 1.9 1.51 1.31 78.9 29.1 3.44 13
1.78 1.41 76.6 32.0 3.1 11
6 2.8 2.57 2.24 74.8 36.9 2.89 9
2.62 2.43 72.6 39.6 3.1 9
7 3.3 2.91 - 72.8 39.3 3.22 9
3.16 2.76 70.00 41.8 3.2 9
8 3.7 3.46 2.85 70.8 46.3 3.17 10
3.29 3.19 67.9 45.7 3.1 10
实施例7
使用表5中配方17*的样品进行大规模连续式丝网涂布试验。在试验中，涂料使用照相凹版圆筒涂布在72英寸宽度或24英寸宽度的涂布线上，并将涂层在150°F下干燥并以60英尺/分的线速度紫外固化。试验结果在下面表7中给出：
表7
样品号 计算的 光谱测量 SEM测量 ％VLT ％TSER ％浊度 Ar.
DFT 的OFT 的DFT
1 - 2.34 2.04 72.8 37.9 2.2 9±1
2 - 2.11 1.83 71.9 36.7 3.9 9±1
3 - 2.10 1.92 72.0 37.7 3.7 9±1
4 - 2.07 1.81 73.1 37.0 3.7 9±1
5 - 1.68 1.54 74.1 36.0 3.7 9±1
6 2.2 - 1.67 72.5 37.85 3.7 9±1
表6和表7中所给结果显示用配方17和19制备的涂料，其测量厚度在1-2微米之间的涂层具有最适宜的特性，即70-75％VLT和35-40％ TSER并具有合格的抗磨损性(小于12％)。膜的高浊度水平归因于紫外吸收剂。
任何光学活性膜复合材料的性质都必定是介于有时是竞争性质之间的最优化性质。例如，如表3所证明的，将B简单混合到坚硬涂层配方D中要么产生了优等的％VLT要么产生了优等的％TSER，但不是两者兼备且浊度不合格。
如表4所示，将B和C简单混合到坚硬涂层配方D中仅仅在红外阻挡层具有不合格的商业处理厚度时才产生了合适的％VLT和％TSER特性，且生成的涂层具有很差的抗磨损性。
因此，令人惊讶的是，简单的向A中混合B形成了具有所有商业膜所需的最优化性质的红外阻挡层。
如图2所示，本发明的第二个实施方案包含复合材料110，复合材料110包括PET膜12和由配方A与B制备的坚硬涂层11层合的薄层14。膜12用粘合层16粘合在玻璃片15上。
实施例8
表5中的样品配方16和17用8号Myers棒施用在1密耳(25微米)PET膜上，此PET膜用含紫外吸收剂的压力敏感粘合剂粘合在0.125英寸(3mm)厚的玻璃板上，例如用添加有紫外吸收剂的Solutiaproduct Gelva 263粘合。粘合剂层的厚度约6-10微米。其它样品使用层压玻璃制备，典型地用于汽车挡风屏和车窗。测试制备样的光学性质并在下面表8中给出。
表8
样品号 玻璃 ST％ SR％ SA％ ％VLT ％TSER ％浊度 uv#
16 1/8 45.8 7.1 47.1 72 40.9 1.6
1am 45.0 7.4 47.6 71.4 41.8 2.0
17* 1/8 45.0 7.0 48.0 70.4 41.5 1.6 0.09
1am 44.9 7.4 47.8 71.6 41.9 2.2 0.01#加权紫外透射率*意味PET膜含有紫外吸收剂
ST是日光透射率，SR为日光排斥率，SA为日光吸收率。
结果显示，含有配方A和B以及PET膜和玻璃的复合材料提供了高的太阳能排斥水平并具有优良的可见光透射率和低浊度。17*的低浊度归因于UV吸收剂膜层压到玻璃上时表面散射的减少。含有PET的复合材料与紫外吸收剂的结合消除了紫外和红外辐射。
本发明的另一个复合材料210显示于图3，它与图2的复合材料类似，具有通过粘合剂26的第二层粘合于固化红外阻挡层11的额外玻璃片15A。因此红外阻挡层11夹在两个玻璃片15和15A之间。
玻璃片之一或两者都可以是层压的或可以被透明聚合物底材取代。如有需要，任何用于复合材料的聚合物膜底材和粘合剂可包含紫外吸收剂。在暴露的上层15A含有PET的地方，可以随意地被保护性坚硬涂层或抗刮擦涂层211涂布。
对某些应用而言，需要并可接受的是，膜复合材料具有较高的％TSER和较低的％VLT特性。例如用于汽车侧窗和后窗的日光控制膜需要具有大于50％的％VLT同时具有最大化的太阳能排斥性。在其它终端使用中，可能需要对接近可视光范围的红外线的排斥最大化同时保持高％VLT。特别地，对于800-1000nm范围内射线的排斥要达到小于10％的透射率同时保持大于50％的％VLT，这很难达到。合适的配方在下面
实施例9中公开。
实施例9
在实施例9中材料B与材料D、材料A和/或材料C混合以生成各种配方，它们能获得对940nm的近红外线的高阻挡，同时具有高于50％的％VLT。
表9
样品号 A∶B∶C∶D重量比 Myres DFT ％VLT ％TSER ％浊度 ％透射率
棒 μ
20 0∶2∶0∶1 4 1.85 64.7 45.5 3.07 16.2
6 2.77 58.4 50.9 3.43 8.12
8 3.69 43.6 56.2 5.52 3.67
21A 0∶3.1∶1.6∶0 8 2.76 54.9 1.33 6.7
21B 0∶3.1∶1.8∶1 8 2.76 54.6 1.34 7.36
21C 0∶3.1∶2.0.∶1 8 2.76 56.8 1.10 8.29
21D 0∶3.1∶1.4∶1 8 2.77 54.8 1.3 6.59
21E 0∶1.9∶1∶0.24 8 1.83 56.2 52.8 1.13 5.69
21F 0∶2.5∶2.6∶1 8 2.75 58.2 1.14 7.07
22 1∶1∶0∶0 6 2.11 61.6 50.8 1.57 11.00
8 2.81 52.9 54.9 1.69 6.55
10 3.52 46.9 58.9 1.81 3.14
可以看到，含有材料B(近红外吸收纳米颗粒分散体)的配方与A或C(含ATO纳米颗粒)以及D混合时生成的配方具有大于50％的％VLT和940nm处小于10％的透射率，并具有合格的浊度特性。
Claims (27)
1.光学活性膜复合材料，包括厚度小于6微米且铅笔硬度至少为2H的树脂粘合剂涂层；还包括至少一种光吸收波长在1000-2500nm范围内的金属化合物的纳米颗粒以及第二种金属化合物的纳米颗粒，第二种金属化合物是无机化合物且吸收波长范围在700-1100nm内的光。
2.如权利要求1的复合材料，具有至少50％的％VLT和至少35％的％TSER。
3.如权利要求2的复合材料，具有至少70％的％VLT。
4.如权利要求2的复合材料，其中复合材料具有50-60％之间的％VLT和50-65％的％TSER。
5.如权利要求1的复合材料，其中树脂粘合剂是紫外可固化树脂粘合剂。
6.如权利要求5的复合材料，其中树脂粘合剂是氨基甲酸乙酯丙烯酸酯树脂。
7.如权利要求1的复合材料，其中所述金属化合物是ATO。
8.如权利要求7的复合材料，其中涂层含有30-60重量％的ATO。
9.如权利要求1的复合材料，包含涂布了上述涂层的透明聚合物膜底材。
10.如权利要求9的复合材料，其中聚合物膜底材含有紫外吸收材料。
11.如权利要求9的复合材料，其中膜底材在至少一面上含有粘合剂且此粘合剂含有至少一种紫外吸收材料。
12.如权利要求9的复合材料，其中所述膜底材是聚酯膜。
13.如权利要求9的复合材料，其中复合材料进一步包含至少一个玻璃片，涂布膜粘合在它上面。
14.如权利要求13的复合材料，且进一步包含位于涂布膜上相对于所述玻璃片的另一面的第二个玻璃片，因而涂布膜夹在两个玻璃片之间。
15.如权利要求1的复合材料，其中涂层含有至少0.5重量％的所述第二金属化合物。
16.光学活性膜复合材料，包括用厚度小于6微米且铅笔硬度至少为2H的树脂粘合剂层涂布的聚合物膜底材，且包括30-60重量％的ATO的纳米颗粒，还包括第二种金属化合物的纳米颗粒，它是无机化合物且吸收波长范围在700-1100nm内的光，复合材料具有至少70％的％VLT和至少35％的％TSER。
17.光学活性膜复合材料，包括用厚度小于6微米的树脂粘合剂层涂布的聚合物膜底材，树脂包含ATO的纳米颗粒以及第二种金属化合物的纳米颗粒，第二种金属化合物是无机化合物且吸收波长范围在700-1100nm内的光，复合材料具有大于50％的％VLT且对于940nm波长的光的透射率不大于10％。
18.如权利要求17的复合材料，其中树脂粘合剂具有至少2H的硬度。
19.光学活性膜复合材料，包括用厚度小于6微米的树脂粘合剂层涂布的透明底材，且含有ATO的纳米颗粒以及第二种金属化合物的纳米颗粒，第二种金属化合物是无机化合物且吸收波长范围在700-1100nm内的光，并具有位于所述涂层之上的第二个透明底材，因而所述涂层夹在两个底材之间。
20.如权利要求19的复合材料，其中两个底材含有PET膜。
21.如权利要求19的复合材料，其中两个底材含有玻璃层且树脂作为两玻璃片之间的粘合剂层。
22.如权利要求19的复合材料，其中复合材料具有至少50％的％VLT和至少35％的％TSER。
23.如权利要求22的复合材料，其中％TSER为约50％。
24.制造红外能量阻隔膜坚硬涂层的方法，其中至少一种光吸收波段为1000-2500nm的金属化合物的纳米颗粒在聚合物树脂溶液中的分散体，与光吸收波段为700-1100nm的第二金属化合物的纳米颗粒在能与上述溶液混溶的液体中的第二分散体相混合，液体混合物在底材上形成薄涂层并干燥以形成所述坚硬涂层。
25.如权利要求24的方法，其中混合物涂布到聚合物膜底材上并在70摄氏度下干燥一分钟。
26.如权利要求25的方法，其中树脂是紫外可固化树脂且干燥的涂层在额定功率为每英寸300-500瓦的紫外灯下以50-80英尺/分(15-24米/分)的速度通过。
27.制造红外能量阻隔复合材料的方法，其中至少一种光吸收波段为1000-2500nm的金属化合物的纳米颗粒的分散体、聚合物树脂溶液以及光吸收波段为700-1100nm的第二金属化合物的纳米颗粒的第二分散体混合，液体混合物在底材上形成薄涂层。
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| CN103613280A (zh) * | 2013-11-22 | 2014-03-05 | 福耀玻璃工业集团股份有限公司 | 一种用于形成紫外线吸收涂层的涂液和紫外线吸收玻璃 |
| US11015068B2 (en) | 2013-11-22 | 2021-05-25 | Fuyao Glass Industry Group Co., Ltd | Coating liquid used for forming ultraviolet absorption coating and ultraviolet absorption glass |
| US10175397B2 (en) | 2014-09-15 | 2019-01-08 | Saint-Gobain Performance Plastics Corporation | Optical film including an infrared absorption layer |
| TWI586546B (zh) * | 2014-11-21 | 2017-06-11 | 聖高拜塑膠製品公司 | 紅外線控制光學薄膜 |
| US10571610B2 (en) | 2014-11-21 | 2020-02-25 | Saint-Gobain Performance Plastics Corporation | Infra-red control optical films having metal nitride between encapsulating layers containing oxide |
Also Published As
| Publication number | Publication date |
|---|---|
| US6663950B2 (en) | 2003-12-16 |
| ES2278761T3 (es) | 2007-08-16 |
| EP1334381A2 (en) | 2003-08-13 |
| CN100400448C (zh) | 2008-07-09 |
| DE60125811D1 (de) | 2007-02-15 |
| DE60125811T2 (de) | 2007-10-11 |
| WO2002041041A2 (en) | 2002-05-23 |
| US20020090507A1 (en) | 2002-07-11 |
| JP2004514163A (ja) | 2004-05-13 |
| ATE350677T1 (de) | 2007-01-15 |
| JP4891519B2 (ja) | 2012-03-07 |
| AU2001272708A1 (en) | 2002-05-27 |
| EP1334381B1 (en) | 2007-01-03 |
| WO2002041041A3 (en) | 2003-05-30 |
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