CN101511921A - 具有聚氨酯底漆的车窗面板 - Google Patents
具有聚氨酯底漆的车窗面板 Download PDFInfo
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Abstract
机动车窗户面板/窗用玻璃,它包括透明的聚碳酸酯基层,涂布在聚碳酸酯基层上的含水聚氨酯底漆,和施加在含水聚氨酯底漆上的耐候涂层。该含水聚氨酯底漆由小于约10wt%聚氨酯和小于约30wt%2-丁氧基乙醇,和余量为去离子水组成。底漆可含有添加剂,例如紫外吸收剂、流动添加剂、抗氧化剂。
Description
发明领域
[0001]本发明涉及塑料车窗面板或窗用玻璃(glazing)。
发明背景
[0002]多年来,玻璃为机动车工业中窗户所使用的组件。正如已知的,玻璃提供消费者可接受程度的耐磨性和抗紫外辐射(UV)性作为车辆的窗户。尽管这一方面是充分的,但玻璃基底的特征在于相对重,这意味着运输和安装成本高。而且,玻璃的重量最终会影响车辆的总重量,这将影响车辆的燃料效率。在许多机动车工程应用中使用塑料材料替代玻璃,提高车辆的外观,并降低总的车辆重量和成本。透明塑料材料出现的应用是机动车的窗用玻璃或窗户体系。
[0003]在塑料窗用玻璃中使用含水涂料的优点是,能在高度张紧的聚碳酸酯部件上直接涂布且没有引起常规的溶剂基体系内典型的银纹和缺陷。另外,主要使用含水组合物会降低制造过程中溶剂的释放,从而导致环境友好的工艺和所有相应的经济优点。
[004]遗憾的是,与溶剂基有机涂料不同,含水性聚合物涂料的缺点是在加速和现实的测试过程中吸收湿气。在加速和现实世界(快速测试)二者的水浸泡试验、湿气暴露和耐候性试验中观察到这一现象。湿气吸收表现为部件的一般混浊膜或浊度且可能是均匀或构图的,这取决于涂层的均匀度。
[0005]目前的底漆体系当暴露于大于40℃的水下时,形成均匀和大于约1%的构图的雾度二者。在这一配方中,底漆的湿气吸收(大于约10%)归因于丙烯酸乳液聚合物。
[0006]工业上为了改进的功能,例如耐候性、粘合性、耐磨性和抗UV性,需要改进玻璃替代窗户体系。
发明概述
[0007]本发明一般地提供改进的玻璃替代窗户体系,其具有改进的功能,例如耐气候性、粘合性、耐磨性和抗UV性。
[0008]本发明的实施方案提供水基涂料体系。该水基涂料体系是水不敏感的,且对聚碳酸酯(PC)窗用玻璃具有许多优点,能使司机和乘客通过无缺陷窗用玻璃观察且具有小于约1%的总的低雾度。
[0009]本发明的一个实施方案提供机动车窗用玻璃。该窗用玻璃包括聚碳酸酯基层或基底,在聚碳酸酯基层上涂布的含水聚氨酯底漆,和施加在含水聚氨酯底漆上的耐候涂层。该含水聚氨酯底漆包括小于约10wt%的聚氨酯和小于约30wt%的2-丁氧基乙醇,和余量为去离子水。
[0010]在另一实施方案中,本发明提供机动车面板,它包括酸值为约20mg KOH/g干树脂的含水聚氨酯底漆,同时包括小于约10wt%聚氨酯,小于约25wt%2-丁氧基乙醇,和余量为去离子水。面板进一步包括粘附到耐候涂层上的耐磨层用以保护面板避免因磨蚀引起的损坏。
[0011]令人惊奇地,酸值在40以下和水溶胀比小于5%的有机聚合物分散体的水性配方基本上导致PC窗用玻璃体系的水不敏感的疏水涂层。这些尤其适用于充当粘合促进剂,以衔接(tie)硅硬涂层到聚碳酸酯上。另外,这些体系可在所谓的湿碰湿体系内而不是烘碰烘(bake-on-bake)体系内涂布。这将导致制造线设计的投资成本下降。
[0012]这些涂料也可具有加入其中的功能添加剂。这种添加剂的实例可以是紫外(UV)吸收物种,以避免聚碳酸酯受到有害的紫外光的损害。在UV吸收物种存在的情况下,可显著增加膜的厚度,用UV阻挡层替代一部分或所有常规的硅硬涂层。有机涂层每加仑的成本可以显著低于硅硬涂层体系。
[0013]可通过喷涂、流涂、浸涂和/或幕涂体系施加这些涂料。这些类型的涂料具有的附加的优点是,它们可在室温下和/或在较短的时间内固化,从而降低制造中的固化时间。结果,这会降低花费并增加产率。
[0014]当结合附图时,考虑到下述说明和所附的权利要求,本发明进一步的目的、特征和优点将变得显而易见。
发明详述
[0015]本发明的实施方案提供机动车面板,它通常包括基层,施加在基层上的含水聚氨酯底漆,和涂布在底漆上的耐候涂层。在一个实施方案中,基层可由下述组成,但不限于下述物质:聚碳酸酯、聚甲基丙烯酸甲酯、聚酯、聚碳酸酯/丙烯腈丁二烯苯乙烯共混物、聚碳酸酯/聚酯共混物、聚丙烯酸酯和聚砜,以及它们的共聚物和混合物。优选地,基层包括双酚A聚碳酸酯,和所有其他树脂等级(例如支化或取代),以及与其他聚合物,例如PBT、ABS或聚乙烯共聚或共混的上述物质。基层可进一步由各种添加剂,尤其例如着色剂、脱模剂、抗氧化剂和紫外吸收剂(UVA)组成。
[0016]如上所述,将含水聚氨酯底漆施加在基层上。含水聚氨酯底漆可包括小于约10wt%聚氨酯和小于约30wt%2-丁氧基乙醇,和余量为去离子水。在一个实例中,含水聚氨酯底漆的酸值为约20mg KOH/g干树脂,且厚度小于约1微米。优选地,含水聚氨酯底漆包括紫外吸收(UVA)分子吸收紫外光。在这一实例中,UVA分子由下述组分之一组成:无机氧化物、二苯甲酮、苯甲酰基间苯二酚、氰基丙烯酸酯、三嗪、N,N′-草酰二苯胺和苯并三唑。优选地,紫外吸收分子在约295nm-约345nm的波长之间显示出大于约1个吸收单位的紫外光吸收。
[0017]在另一实例中,含水聚氨酯底漆包括小于约7wt%聚氨酯和小于约25wt%2-丁氧基乙醇,和余量为去离子水。在这一实例中,含水聚氨酯底漆也可包括三乙胺。
[0018]在基层上涂布含水聚氨酯底漆,并通过风干20-45分钟固化,或者在约50℃-100℃之间热固化约20-80分钟。
[0019]在一个实例中,聚氨酯含水底漆包括水作为第一溶剂和有机液体作为第二共溶剂。第一溶剂,水,优选包括大于10wt%的聚氨酯含水底漆,更优选大于约50wt%的底漆,和最优选大于至少60wt%的底漆。在底漆内存在的与第二共溶剂有关的通用化学组包括二元醇醚、酮类、醇类和乙酸脂类,且共溶剂以小于90wt%的底漆存在,更优选小于约50wt%的底漆,和最优选小于约30wt%的底漆。
[0020]例如,存在于含水聚氨酯底漆内的第二共溶剂是2-丁氧基乙醇(也称为乙二醇单丁醚)。在这一底漆内的树脂含量可以是底漆的约2-7wt%,和底漆的余量由第一溶剂和第二共溶剂组成。优选地,在这些底漆内的胺是三乙胺。树脂可以以水溶性、可分散或可还原(reducible)的树脂形式存在。可在底漆内使用其他树脂,条件是这一底漆的溶剂体系类似于以上所述的那种。底漆可含有其他添加剂,尤其例如,但不限于,表面活性剂、抗氧化剂、杀虫剂和干燥剂。
[0021]然后在底漆上施加耐候涂层或硬涂层并风干,之后在约80℃-130℃下固化约20-80分钟,和更优选在约100℃下固化约30分钟。耐候涂层可包括至少一种下述组分:丙烯酸树脂、聚氨酯、聚氨酯-丙烯酸酯共聚物、硅氧烷、硅酮硬涂层、离聚物、氟聚合物及其混合物。优选地硅酮硬涂层用于耐候涂层且获自于Exatec LLC且由Momentive Performance Materials以 SHX形式零售。
[0022]在替代的实施方案中,耐候涂层是聚氨酯和聚氨酯-丙烯酸酯之一。在这一实施方案中,该体系具有在塑料基底上印刷和固化的涂层,其厚度优选为约10-65微米,且可具有约1%-5%Δ雾度和优选约2%Δ雾度的Taber(Δ雾度%)。
[0023]聚氨酯涂料显著不如硅酮硬涂层昂贵,且它们可在相对高的膜厚度下施加,从而提供底下的聚碳酸酯改进的UV保护。聚氨酯涂料最初定义为由多异氰酸酯和多元醇制备的产品,但当今更加广义地定义它,且包括基于多异氰酸酯的所有体系,不管该反应是酸与多元醇、多胺,还是与水进行。这意味着聚氨酯(PU)涂料可含有氨基甲酸酯、脲、脲基甲酸酯和缩二脲键。聚氨酯涂料快速增长,这是因为数十年前它们被首先引入,因为它们具有高度各种各样的化学和优异的性能,尤其在韧度、耐磨性和耐化学性方面,同时还具有柔性且很好地粘合到所有种类的基底上。
[0024]优选在耐候涂层上施加磨蚀层或涂面漆,并增加机动车面板额外或改进的功能,例如改进的耐磨性。尽管是优选的,但要理解,磨蚀层可任选地施加在耐候涂层上。这一涂料的实例是在900窗用玻璃体系(Exatec,LLC,Wixom,Michigan)内使用的耐磨涂面漆。优选地,耐磨层包括至少一种下述组分:氧化铝、氟化钡、氮化硼、氧化铪、氟化镧、氟化镁、氧化镁、氧化钪、一氧化硅、二氧化硅、氮化硅、氮氧化硅、碳氧化硅、氢化碳氧化硅、碳化硅、氧化钽、氧化钛、氧化锡、氧化锡铟、氧化钇、氧化锌、硒化锌、硫化锌、氧化锆、钛酸锆及其混合物。
[0025]可通过本领域技术人员已知的任何技术,施加磨蚀层。这些技术包括由反应性物种,例如在真空辅助的沉积工艺中使用的那些物种沉积,和大气涂布工艺,例如施加溶胶-凝胶涂层到基底上所使用的那些方法。真空辅助沉积工艺的实例包括,但不限于,等离子体加强的化学气相沉积、离子辅助的等离子体沉积、磁控管溅射、电子束蒸发,和离子束溅射。大气涂布工艺的实例包括,但不限于,幕涂、喷涂、旋涂、浸涂和流涂。
[0026]可通过使用本领域技术人员已知的任何技术,例如挤出、模塑(包括注塑、吹塑和压塑)或热成形(包括加热成形、真空成形和冷成形),将本发明的机动车面板形成为窗户。可在印刷之前、印刷之后,或施加底漆/硬涂层体系之后,使用透明塑料基底形成窗户。
实施例
[0027]许多含水聚合物被作为底漆层的潜在聚合物体系进行评价。目的是寻找各种水性聚合物,例如高分子量胶乳聚合物以及相对较低分子量的聚氨酯。下表1列出了或者被考虑或者被评价的各种聚合物。
表1
[0028]在被评价的聚合物当中,在DMM(二丙二醇二加密)溶剂内的含水聚氨酯HD-2503TM及其等价物L-2896TM(各自获自C.L.Hauthaway &Sons Corp.)在低雾度、良好的粘合性和满足其他机械性能方面相对最有利。由于其环境优势,因此存在使用含水聚氨酯的动机。聚氨酯,例如Hauthane聚氨酯在性质上是疏水的。Hauthane聚氨酯,例如HD-2503TM或L-2896TM是被开发用于木材、塑料和金属且具有热机械坚固度的聚碳酸酯基、脂族水性分散体。其酸值为约20mg KOH/g干树脂,且Tg为约10℃。Hauthane聚氨酯包括中和胺,例如三乙胺。
[0029]在一个实例中,HD-2503及其等价物L-2896(在DMM溶剂内)被制为2.4wt%的溶液并如下表2所提供的进行测试。
表2
试验tile | 操作说明和标准参考基准 | 要求 |
%雾度 | ASTM D 1003 | 目标<1% |
%透光率 | ASTM D 1003 | 对于无色和日光色调来说,>70%(没有观察到privacy色调>70%的透光率,除非经消费者同意) |
Cataplasma测试(粘结体系) | Dow Automotive AG试验方法No 039E Cataplasma处理 | 在颜色变暗(black out)区域内,>80%的PU粘结体系内聚破坏 |
耐化学性 | ANSI Z26.1-1996 | 没有外观上的瑕疵、粘性或附着力损失 |
颜色(YI,L,a,b)-基底 | ASTM D 1925,E313 | |
划格胶带法附着力 | ASTM D 3359 | 在所有相关区域上≥99%起始粘性保留 |
1天50℃水浸泡 | <1%Δ雾度 | |
30天50C水浸泡 | <5%Δ雾度 | |
涂层厚度 | [0.2-0.8μm] | |
耐候性 | ASTM G 154 Cycle 4 | |
光学扭曲 | ExatecProtoco1/Dioptimetry | 合格 |
除雾器试验(性能和耐久性) | SAE J953 | 在2小时15V之后没有故障 |
伸长应力龟裂 | 在>1.1%伸长率下应力裂纹形成 | |
落镖冲击 | ASTM D 3763 | 在-30℃下>90%韧性破坏 |
GMOD CIRA/碱石灰 | >0.2MJ/m2 | |
热老化 | 90℃下8周 | 粘合性保留>96%,没有可视的缺陷,DYI类似于已有产品 |
搭接剪切(粘结体系) | ASTM D 3163 | 平均粘结强度>500psi |
日光性能 | IS0 9050,SAE J1769 | |
溶剂应力试验 | 在3000psi表面应力部件固化之后在油墨/涂层内没有裂纹 | |
Taber磨蚀 | ASTM D 1044 | e侧<2.0%雾度/i侧<10%雾度 |
热循环 | 粘合性保留≥96%,没有可视的缺陷 | |
肉眼检测 | 在所有相关区域内合格 |
[0030]使用此处所述的工序,制备聚氨酯的含水配方。称取约67wt%的去离子水,和称取约7wt%含水聚氨酯树脂PUR HD-2896(如上所述)并与去离子水混合,形成PUR-水混合物。称取约25wt%2-丁氧基乙醇并加入到该混合物中,形成聚氨酯溶液。在低速下混合该溶液约15分钟。下表3中概述了工序。
表3
[0031]制备5加仑含水聚氨酯底漆,并在聚碳酸酯基层上涂布该底漆,然后对其进行以上所述的测试。监控液体底漆的货架稳定性,表明在3月之后没有沉降的迹象。在水浸渍测试之后,含水聚氨酯底漆比含水丙烯酸底漆显示出显著较小的雾度。
[0032]水浸渍试验包括根据ASTM D 3359-95,起始的划格法附着力试验(交代牵拉),接着在蒸馏水内,在约65℃的升高温度下浸渍印刷过的聚碳酸酯约10天。约每隔1天一直到最大10天测试油墨和涂层的附着力。仅仅若存在大于95%的油墨保留率,则油墨通过试验。在第10天时进行任何涂层或层的最终测试。使用划格法胶带试验,根据ASTM D-3359,进行检测。
[0033]采用含水聚氨酯配方,涂布10块730板(730mm×730mm)。5块板在室温下闪蒸,并在其上施加涂面漆。其他5块板闪蒸约20分钟,然后在约125℃下烘烤约15分钟。在这两个试验中,聚氨酯涂料通过10天的水浸渍试验。在标准条件下,在约125℃下,施加并烘烤涂面漆约60分钟。
[0034]聚氨酯配方可包括含水聚氨酯,例如以上提及的L-2896与水和2-丁氧基乙醇。可通过流动施加来施涂它。而且,聚氨酯配方可包括含水聚氨酯配方,例如L-2896、水、2-丁氧基乙醇和Tin 479。它也可通过流动施加来施涂。此外,可通过喷涂来完成相同的配制。例如,下表4中提供了基础配方和测试工序。
表4
[0035]下表5和6中提供了在聚氨酯底漆中所使用的聚氨酯分散体的性能。
表5
表6
[0036]下表7中概述了含水聚氨酯配方和方法。
表7
配方 | 方法 | |||
100% | 10000g | |||
1 | 去离子水 | 67.26 | 6726.01 | 称取去离子水 |
2 | PUR HD-2896 | 6.82 | 682.25 | 取出PUR到该混合物内,低速下混合15分钟 |
3 | 2-丁氧基乙醇 | 25.92 | 2591.75 | 称取EB并加入到上述混合物中 |
总计 | 100.00 | 10000.00 | 低速下混合15分钟 |
[0037]对于这一实例来说,下表8中概述了含水聚氨酯的性能。
表8
[0038]下表9中进一步概述了含水聚氨酯的性能。示出了雾度-外观结果(30天),具体地,30天结果表明在50℃下30天水浸渍之后显示出令人惊奇地低的雾度外观(参见箭头)的Δ值。
表9
[0039]下表10中进一步概述了含水聚氨酯的性能。具体地,以下概述了含水聚氨酯分散体L-2896的10天粘合性结果。在这些实施例中,针对每一条件用含水聚氨酯配方涂布一批20块730板(730mm×730mm)。采用约40分钟闪蒸的湿碰湿工艺始终具有100%的粘合性。
表10
固化条件 | 顶部 | 顶部(ASTM) | 底部 | 底部(ASTM) |
PUR L2896/闪蒸20分钟/烘烤15分钟 | 100A | 100A | 100A | 100A |
PUR L2896/闪蒸20分钟/烘烤15分钟 | 100A | 100A | 100A | 100A |
PUR L2896/闪蒸20分钟/烘烤15分钟 | 100A | 100A | 100A | 100A |
PUR L2896/闪蒸20分钟/烘烤15分钟 | NM | NM | 99A | 100A |
PUR L2896/闪蒸20分钟/烘烤15分钟 | 100A | 100A | 100A | 100A |
PUR L2896/闪蒸40分钟 | 100A | 100A | 100A | 100A |
PUR L2896/闪蒸40分钟 | 100A | 100A | 100A | 100A |
PUR L2896/闪蒸40分钟 | 100A | 100A | 100A | 100A |
PUR L2896/闪蒸40分钟 | 100A | 100A | 100A | 100A |
PUR L2896/闪蒸40分钟 | 100A | 100A | 100A | 100A |
[0040]下表11概述了在730板上含水聚氨酯底漆的厚度。关于ecosphere的结果,样品通过划格法试验,即在12个循环内没有观察到龟裂或脱层。含水聚氨酯结果与SHP-3X的结果相当。关于粘合性结果,下述样品显示出相对有利的外观且没有缺陷,其中所述样品在DMM内且在具有CIRA涂层的GMOD 60氙弧灯boro/boro内,在0.70瓦/米2的辐照度下暴露于1.03MJ下。下述样品也显示出相对有利的外观且没有缺陷,所述样品在NMP内,且在具有CIRA涂层的GMOD 60氙弧灯boro/boro内,在0.70瓦/米2的辐照度下暴露于4.1MJ下。
表11
[0041]下表12概述了有和无129℃/60分钟的额外烘烤循环下10天的粘合性结果。采用额外的烘烤循环时,发现粘合性能是有利的。
表12
[0042]下表3概述了与丙烯酸底漆相比,在一组730板上涂布的含水聚氨酯底漆L-2503(以上所述)的Δ雾度结果。在这一实例中,在水中,在约50℃下浸泡基层。列出了有和无除雾器循环下的10天粘合性结果。采用额外的除雾器循环情况下,还发现粘合性能是有利的。(Part ID 8313-1;8314-1和8481-1)。正如所示的,30天结果提供小于0.25%的Δ雾度且标准偏差pf小于0.15。在第1天时,与丙烯酸底漆相比,在这一实施例中所使用的聚氨酯底漆在30天时的雾度形成较小。
表13
[0043]在另一实施例中,制备含水涂料组合物,所述组合物包括含水聚氨酯HD-2503,紫外吸收剂Uvinul 3039TM(BASF的(2-乙基己基)-2-氰基-3,3-二苯基丙烯酸酯)以及去离子水和2-丁氧基乙醇,并在730尺寸的聚氨酯板上流涂。在约125℃下烘烤它约15分钟。将涂布的板直接转移到等离子体反应器内并置于各种等离子体条件下。在所尝试的各种条件下,数种条件提供等离子体涂层有利的粘合性能。下表14概述了这一实施例的工序。
表14
[0044]研究样品的冲击性。观察到含有含水底漆的样品具有韧性,正如下表15所示。
表15
聚氨酯 | 试验粘度 | 冲击能 | 最大负载 | 达到最大负载的能量 | 总的能量 | 最大负载时的偏移 | 备注 |
Specimen ID | (ft/s) | (ft-1bs) | (1bs) | maxload(ft-kbs) | (ft-1bs) | maxload(ft-kbs) | 韧性 |
006G-1 | 11.26 | 98.5 | 1635.05 | 44.01 | 52.27 | 0.7 | 韧性 |
006G-2 | 11.25 | 98.3 | 1545.6 | 38.39 | 49.83 | 0.66 | 韧性 |
006G-3 | 11.27 | 98.72 | 1599.99 | 41.77 | 62.76 | 0.69 | 韧性 |
006G-4 | 11.26 | 98.44 | 1473.74 | 35.01 | 46.1 | 0.63 | 韧性 |
006G-5 | 11.28 | 98.79 | 1473.01 | 34.59 | 45.84 | 0.63 | 韧性 |
006G-6 | 11.27 | 98.75 | 1784.87 | 54.42 | 60.86 | 0.78 | 韧性 |
006G-7 | 11.28 | 98.8 | 1641.17 | 46.04 | 53.9 | 0.72 | 韧性 |
006G-8 | 11.28 | 98.69 | 1504.48 | 36.97 | 48.03 | 0.65 | 韧性 |
006G-9 | 11.28 | 98.84 | 1535.15 | 38.82 | 44.31 | 0.67 | 韧性 |
006G-10 | 11.28 | 98.83 | 1522.05 | 37.57 | 49.27 | 0.65 | 韧性 |
006G-11 | 11.28 | 98.96 | 1571.99 | 40.89 | 49.85 | 0.69 | 韧性 |
006G-12 | 11.29 | 98.06 | 1590.37 | 40.42 | 49.84 | 0.67 | 韧性 |
006G-13 | 11.26 | 98.6 | 1584.11 | 37.79 | 44.89 | 0.64 | 韧性 |
006G-14 | 11.28 | 98.86 | 1528.23 | 38.79 | 48.76 | 0.67 | 韧性 |
006G-15 | 11.27 | 98.77 | 1553.58 | 40.19 | 50.39 | 0.68 | 韧性 |
006G-16 | 11.27 | 98.64 | 1547.45 | 40.05 | 65.29 | 0.69 | 韧性 |
006G-17 | 11.26 | 98.53 | 1576.37 | 41.01 | 49.55 | 0.69 | 韧性 |
006G-18 | 11.25 | 98.34 | 966.3 | 20.36 | 27.72 | 0.64 | 韧性 |
006G-19 | 11.25 | 98.39 | 997.81 | 22.09 | 36.19 | 0.65 | 韧性 |
006G-20 | 11.25 | 98.27 | 921.29 | 18.2 | 25.78 | 0.58 | 韧性 |
006G-21 | 11.23 | 98.02 | 927.79 | 19.37 | 34.14 | 0.62 | 韧性 |
006G-22 | 11.23 | 97.98 | 1683.98 | 44.27 | 77.62 | 0.67 | 韧性 |
006G-23 | 11.24 | 96.15 | 1754.92 | 48.64 | 56.9 | 0.7 | 韧性 |
006G-24 | 11.22 | 97.79 | 1719.91 | 46.7 | 55.18 | 0.69 | 韧性 |
006G-25 | 11.23 | 97.92 | 1742.59 | 49.41 | 57.88 | 0.72 | 韧性 |
006G-26 | 11.19 | 97.35 | 1633.24 | 41.09 | 65.48 | 0.65 | 韧性 |
006G-27 | 11.2 | 97.51 | 1618.37 | 41.36 | 71.71 | 0.66 | 韧性 |
006G-28 | 11.22 | 97.76 | 1683.11 | 46.11 | 54.27 | 0.7 | 韧性 |
006G-29 | 11.23 | 98 | 1618.39 | 42.15 | 50.84 | 0.07 | 韧性 |
006G-30 | 11.18 | 97.07 | 1649.91 | 45 | 53.21 | 0.09 | 韧性 |
平均标准偏差 11.2508 98.3572 1518.8278 39.0495 51.023 0.6717
0.0291 0.5085 239.2753 8.7526 11.0778 0.0365
[0045]尽管针对优选实施方案描述了本发明,但当然要理解,本发明不限于此,因为对于本领域的技术人员来说,尤其鉴于前述教导,可作出各种改性。
Claims (20)
1.一种车窗面板,它包括:
透明聚碳酸酯基层;涂布在聚碳酸酯基层上的含水聚氨酯底漆,该含水聚氨酯底漆包括小于约10wt%的聚氨酯和小于约30wt%2-丁氧基乙醇,和余量为去离子水;和施加在含水聚氨酯底漆上的耐候涂层。
2.权利要求1的面板,其中基层包括聚碳酸酯、聚甲基丙烯酸甲酯、聚酯、聚碳酸酯/丙烯腈丁二烯苯乙烯共混物,和聚碳酸酯/聚酯共混物中的至少一种。
3.权利要求1的面板,进一步包括粘附到耐候涂层上的耐磨层用以保护耐候涂层、含水聚氨酯底漆和基层避免因磨蚀引起的损坏。
4.权利要求3的面板,其中耐磨层包括至少一种下述组分:氧化铝、氟化钡、氮化硼、氧化铪、氟化镧、氟化镁、氧化镁、氧化钪、一氧化硅、二氧化硅、氮化硅、氮氧化硅、碳氧化硅、氢化碳氧化硅、碳化硅、氧化钽、氧化钛、氧化锡、氧化锡铟、氧化钇、氧化锌、硒化锌、硫化锌、氧化锆和钛酸锆。
5.权利要求1的面板,其中含水聚氨酯底漆包括小于约7wt%聚氨酯和小于约25wt%2-丁氧基乙醇,和余量为去离子水。
6.权利要求1的面板,其中含水聚氨酯底漆包括三乙胺。
7.权利要求1的面板,其中含水聚氨酯底漆包括紫外吸收(UVA)分子用以吸收紫外光。
8.权利要求7的面板,其中紫外吸收分子在约295-约345纳米的波长之间显示出大于约1个吸收单位的紫外光吸收。
9.权利要求7的面板,其中UVA分子由下述组分之一组成:无机氧化物、二苯甲酮、苯甲酰基间苯二酚、氰基丙烯酸酯、三嗪、N,N′-草酰二苯胺和苯并三唑。
10.权利要求1的面板,其中含水聚氨酯底漆的厚度为0.2-7微米。
11.权利要求1的面板,其中耐候涂层包括至少一种下述组分:丙烯酸树脂、聚氨酯、聚氨酯丙烯酸酯共聚物、硅氧烷、硅酮硬涂层、离聚物和氟聚合物。
12.权利要求1的面板,其中含水聚氨酯底漆的酸值为约20mgKOH/g干树脂。
13.一种车窗面板,它包括:
透明聚碳酸酯基层;涂布在聚碳酸酯基层上的含水聚氨酯底漆,该含水聚氨酯底漆的酸值为约20mg KOH/g干树脂,且包括小于约10wt%聚氨酯和小于约25wt%2-丁氧基乙醇,和余量为去离子水;施加在含水聚氨酯底漆上的耐候涂层;和粘附到耐候涂层上的耐磨层用以保护耐候涂层和基层避免因磨蚀引起的损坏。
14.权利要求13的面板,其中基层包括聚碳酸酯、聚甲基丙烯酸甲酯、聚酯、聚碳酸酯/丙烯腈丁二烯苯乙烯共混物,和聚碳酸酯/聚酯共混物中的至少一种。
15.权利要求1的面板,其中底漆包括三乙胺。
16.权利要求13的面板,其中底漆包括在约295-约345纳米的波长之间显示出大于约1个吸收单位的紫外光吸收的紫外吸收(UVA)分子。
17.权利要求16的面板,其中UVA分子选自无机氧化物、二苯甲酮、苯甲酰基间苯二酚、氰基丙烯酸酯、三嗪、N,N′-草酰二苯胺和苯并三唑。
18.权利要求13的面板,其中底漆厚度小于约0.2-7微米。
19.权利要求13的面板,其中耐候涂层包括至少一种下述组分:丙烯酸树脂、聚氨酯、聚氨酯丙烯酸酯、硅氧烷、硅酮硬涂层、离聚物和氟聚合物。
20.权利要求13的面板,其中耐磨层包括至少一种下述组分:氧化铝、氟化钡、氮化硼、氧化铪、氟化镧、氟化镁、氧化镁、氧化钪、一氧化硅、二氧化硅、氮化硅、氮氧化硅、碳氧化硅、氢化碳氧化硅、碳化硅、氧化钽、氧化钛、氧化锡、氧化锡铟、氧化钇、氧化锌、硒化锌、硫化锌、氧化锆和钛酸锆。
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EP (1) | EP2046874A2 (zh) |
JP (1) | JP2009544825A (zh) |
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CN108656591A (zh) * | 2018-04-26 | 2018-10-16 | 周文雄 | 一种以聚碳酸酯为原料制备汽车车窗或防风罩的工艺 |
CN110972469A (zh) * | 2018-07-31 | 2020-04-07 | 法国圣戈班玻璃厂 | 通过使用水基溶剂的移印来用于底涂窗玻璃的方法及装备 |
CN117507442A (zh) * | 2023-09-28 | 2024-02-06 | 宁波伏龙同步带有限公司 | 一种双面齿同步带的制作方法 |
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CN102686222B (zh) * | 2009-07-16 | 2015-06-24 | 帕萨罗杰卡有限公司 | 包含mgbg的口服递送药物以及治疗疾病的方法 |
CN101851378B (zh) * | 2010-03-05 | 2012-10-03 | 上海锦湖日丽塑料有限公司 | 一种易加工高表观性能的挤出级asa树脂及其制备方法 |
WO2011116363A1 (en) * | 2010-03-19 | 2011-09-22 | E2E Materials, Inc. | Biodegradable resin composites |
WO2011150207A1 (en) * | 2010-05-27 | 2011-12-01 | E2E Materials, Inc. | Biodegradable vehicle panels |
US9109138B2 (en) | 2011-08-02 | 2015-08-18 | Toray Plastics (America), Inc. | Optically clear biaxially oriented polyester film with anti-iridescent primer layer |
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CN110343461A (zh) * | 2019-05-29 | 2019-10-18 | 东莞市罗孚化工有限公司 | 一种塑胶件表面用易清洁涂料及制备方法 |
KR102498203B1 (ko) * | 2020-07-24 | 2023-02-13 | 주식회사 스텍 | 자동차 전면유리용 보호필름 |
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- 2007-07-27 KR KR1020097003261A patent/KR20090046840A/ko not_active Application Discontinuation
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CN108656591A (zh) * | 2018-04-26 | 2018-10-16 | 周文雄 | 一种以聚碳酸酯为原料制备汽车车窗或防风罩的工艺 |
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CN117507442A (zh) * | 2023-09-28 | 2024-02-06 | 宁波伏龙同步带有限公司 | 一种双面齿同步带的制作方法 |
CN117507442B (zh) * | 2023-09-28 | 2024-06-14 | 宁波伏龙同步带有限公司 | 一种双面齿同步带的制作方法 |
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EP2046874A2 (en) | 2009-04-15 |
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JP2009544825A (ja) | 2009-12-17 |
KR20090046840A (ko) | 2009-05-11 |
WO2008014476A2 (en) | 2008-01-31 |
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