CN116985479A - 一种能反射光线的复合膜片及其制备方法和应用 - Google Patents
一种能反射光线的复合膜片及其制备方法和应用 Download PDFInfo
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- CN116985479A CN116985479A CN202311245027.2A CN202311245027A CN116985479A CN 116985479 A CN116985479 A CN 116985479A CN 202311245027 A CN202311245027 A CN 202311245027A CN 116985479 A CN116985479 A CN 116985479A
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Abstract
本发明涉及复合膜片技术领域,特别涉及一种能反射光线的复合膜片及其制备方法和应用,所述复合膜片包括具有立纹图案的金属片材层,金属片材层的两表面均设置有涂料层,一涂料层的表面设置有油墨层,油墨层的表面设置有保护层,另一涂料层的表面粘接有ABS片材层,所述立纹图案的截面由多个直线段和/或弧线段组成,所述复合膜片的光线反射强度由所述直线段和/或弧线段与水平面的夹角大小决定。相比于采用金属电镀法,本发明解决了目前具有美感的能反射光线的INS膜片制作成本高、污染高的问题。
Description
技术领域
本发明涉及复合膜片技术领域,特别涉及一种能反射光线的复合膜片及其制备方法和应用。
背景技术
INS膜片,常称嵌注膜片,也称为塑料模内镶嵌注塑INS膜片,所谓INS(InsertThermoforming-film to Molding)工艺,是将INS膜片预先在成型模具中通过高压吸附形成产品外表面的形状,在经过裁边后放到产品的注塑模具中,然后与熔融状态的塑胶一起注塑成型。INS膜片是汽车工业中涉及塑料制品内饰件的保护与装饰不可或缺的嵌注膜片。INS膜片在汽车内饰上主要用于门板装饰条、中控台、仪表板等部位。在这些塑料制品装饰件中所使用的INS膜片都是采用油墨图案设计色彩印刷而成的,具体可由依次设置的保护层、油墨图案层、ABS片材接着层构成,其中,当需有强的金属光泽效果时,则采用金属电镀法在INS膜片镀上一层金属层,从而获得具有美感的能反射光线的INS膜片,但该方法成本高、污染高。
发明内容
本发明的主要目的是提供一种能反射光线的复合膜片及其制备方法和应用,旨在解决目前具有美感的能反射光线的INS膜片制作成本高、污染高的问题。
为实现上述目的,第一方面,本发明提出了一种能反射光线的复合膜片,包括具有立纹图案的金属片材层,所述金属片材层的两表面均设置有涂料层,一所述涂料层的表面设置有油墨层,所述油墨层的表面设置有保护层,另一所述涂料层的表面粘接有ABS片材层,所述立纹图案的截面由多个直线段和/或弧线段组成,所述复合膜片的光线反射强度由所述直线段和/或弧线段与水平面的夹角大小决定。
作为本发明所述复合膜片的优选实施方式,所述立纹图案的截面中直线段与水平面的夹角为∠a,所述立纹图案的截面中弧线段与水平面的夹角为∠b,所述复合膜片的光线反射强度与夹角大小的关系如下:
(1)当∠a和∠b为0°时,所述复合膜片的光线反射强度最强;
(2)当0°<∠a≤10°和0°<∠b≤5°时,所述复合膜片的光线反射强度次强;
(3)当10°<∠a≤45°和5°<∠b≤45°时,所述复合膜片的光线反射强度较弱;
(4)当∠a>45°和∠b>45°时,所述复合膜片的光线强度最弱;
(5)当所述立纹图案中多个直线段和/或弧线段与水平面的夹角为以上(1)至(4)多种情况的综合时,所述复合膜片呈现漫反射光线状态。
作为本发明所述复合膜片的优选实施方式,所述金属片材层为铝箔层或锡箔层。
作为本发明所述复合膜片的优选实施方式,所述涂料层为透明或带颜色的半透明涂料层。
作为本发明所述复合膜片的优选实施方式,所述油墨层包括透明油墨层和/或非透明油墨层,当油墨层为非透明油墨层时,其预留有用于反射光线的未涂布区域。
作为本发明所述复合膜片的优选实施方式,所述保护层包括亮光保护层和/或哑光保护层。
作为本发明所述复合膜片的优选实施方式,所述ABS片材层通过ABS胶与另一所述涂料层粘接。
第二方面,本发明提出了一种所述的能反射光线的复合膜片的制备方法,包括以下步骤:
(1)金属片材层的制备:将金属片材牵引至压印辊组,经过相对压印产生立纹图案,得到具有立纹图案的金属片材层;
(2)涂料层的制备:将步骤(1)所得具有立纹图案的金属片材层牵引至涂料储槽中浸泡,再经过定厚、烘干处理得到涂料层;
(3)油墨层的制备:在步骤(2)所得的一所述涂料层表面印刷油墨形成油墨层;
(4)保护层的制备:在步骤(3)所得的油墨层表面涂印具有亮光效果和/或哑光效果的涂料,形成保护层;
(5)ABS片材层的粘合:在步骤(2)所得的另一所述涂料层的表面涂覆胶黏剂后,与ABS片材层进行热压粘合,得到所述复合膜片。
第三方面,本发明还提出了一种所述的能反射光线的复合膜片在汽车内饰塑料制品中的应用。
相对于现有技术,本发明的有益效果为:本发明采用金属片材压印辊组相对压印形成具有立纹图案的金属片材层,金属片材不仅能反射光线,而且可以通过调整改变立纹图案其截面中直线段和/或弧线段与水平面的夹角大小来改变复合膜片的反射强度,以符合美感需求,相比于采用金属电镀法,本发明解决了目前具有美感的能反射光线的INS膜片制作成本高、污染高的问题。
本发明在金属片材层表面还依次设置有涂料层、油墨层和保护层,涂料层和油墨层使得复合膜片在能反射光线的同时还更具美感,而保护层则起到表面保护作用。
附图说明
图1为复合膜片的结构示意图;
图2为立纹图案其截面中直线段与水平面夹角大小以及反射光线方向的示意图;
图3为立纹图案其截面中弧线段与水平面夹角大小以及反射光线方向的示意图;
图4为漫反射光线状态下立纹图案的截面以及反射光线方向的示意图;
图5为一些实施例中油墨层为非透明油墨层时的复合膜片结构示意图;
图6为复合膜片制备方法中步骤(1)和(2)的流程示意图;
图7为复合膜片制备方法中步骤(5)的流程示意图;
图8为一些实施例中注塑模具的造型结构示意图;
图9为另一些实施例中注塑模具的造型结构示意图;
图10为压印辊组的结构示意图;
图11为实施例1中立纹图案的平面示意图;
图12为实施例1中立纹图案的截面示意图;
图13为实施例1中金属片材层的制备流程示意图;
图14为实施例1制得的复合膜片的结构示意图;
图15为实施例1制得的复合膜片的应用流程示意图;
图16为实施例2制得的复合膜片的结构示意图。
其中:1-金属片材层,2-涂料层,3-油墨层,4-保护层,5-ABS片材层,31-非透明油墨层,32-透明油墨层,41-亮光保护层,42-哑光保护层。
具体实施方式
为更好地说明本发明的目的、技术方案和优点,下面将通过具体实施例对本发明作进一步说明。
本说明书提供一种能反射光线的复合膜片,如图1所示,包括具有立纹图案的金属片材层1,所述金属片材层1的两表面均设置有涂料层2,一所述涂料层2的表面设置有油墨层3,所述油墨层3的表面设置有保护层4,另一所述涂料层2的表面粘接有ABS片材层5,所述立纹图案的截面由多个直线段和/或弧线段组成,所述复合膜片的光线反射强度由所述直线段和/或弧线段与水平面的夹角大小决定。
具体的,如图2~4所示,所述立纹图案的截面中直线段与水平面的夹角为∠a,所述立纹图案的截面中弧线段与水平面的夹角为∠b,所述复合膜片的光线反射强度与夹角大小的关系如下:
(1)当∠a和∠b为0°时,所述复合膜片的光线反射强度最强;
(2)当0°<∠a≤10°和0°<∠b≤5°时,所述复合膜片的光线反射强度次强;
(3)当10°<∠a≤45°和5°<∠b≤45°时,所述复合膜片的光线反射强度较弱;
(4)当∠a>45°和∠b>45°时,所述复合膜片的光线强度最弱;
(5)当所述立纹图案中多个直线段和/或弧线段与水平面的夹角为以上(1)至(4)多种情况的综合时,所述复合膜片呈现漫反射光线状态。
在一些实施例中,所述金属片材层为铝箔层或锡箔层。
在一些实施例中,所述涂料层为透明或带颜色的半透明涂料层。
在一些实施例中,所述油墨层包括透明油墨层和/或非透明油墨层,如图5所示,当油墨层为非透明油墨层时,其预留有用于反射光线的未涂布区域。
在一些实施例中,所述保护层包括亮光保护层和/或哑光保护层。
在一些实施例中,所述ABS片材层通过ABS胶与另一所述涂料层粘接。
第二方面,本说明书提出了一种所述的能反射光线的复合膜片的制备方法,如图6和7所示,包括以下步骤:
(1)金属片材层的制备:将金属片材牵引至压印辊组,经过相对压印产生立纹图案,得到具有立纹图案的金属片材层;
(2)涂料层的制备:将步骤(1)所得具有立纹图案的金属片材层牵引至涂料储槽中浸泡,再经过定厚、烘干处理得到涂料层;
(3)油墨层的制备:在步骤(2)所得的一所述涂料层表面印刷油墨形成油墨层;
(4)保护层的制备:在步骤(3)所得的油墨层表面涂印具有亮光效果和/或哑光效果的涂料,形成保护层;
(5)ABS片材层的粘合:在步骤(2)所得的另一所述涂料层的表面涂覆胶黏剂后,与ABS片材层进行热压粘合,得到所述复合膜片。
本说明书中,金属片材的选择是关键,从材质上可以是铝、锡中的一种,当然优选为铝箔片,并且可选择纯度高、强度较低、较软且成形性良好的一系铝材,更优选1050至1100型号,保证能反射光线的复合膜片的成型性。
并且,步骤(1)中金属片材其立纹图案的成型除了要考虑立纹图案的截面中直线段和/或弧线段与水平面的夹角大小,还必须考虑注塑模具的造型结构的弯曲变形程度,因此需要选用不同厚度的金属片材。如图8所示,在一些实施例中,立纹图案的截面中直线段和/或弧线段与水平面的夹角<10°且注塑模具的R角≥2、深度h≥10mm、U形斜度U≤5°时,则采用厚度为0.15~0.3mm的铝箔;如图9所示,在另一些实施例中,立纹图案的截面中直线段和/或弧线段与水平面的夹角>∠10°且注塑模具的R角<2、深度h<5mm、U形斜度>5°时,则采用厚度为0.3~0.5mm的铝箔。
在一些实施例中,如图10所示,步骤(1)中压印辊组包括阳辊和阴辊,其中,阳辊采用45cr高硬度的52-60HRC金属铁辊雕刻出凸出的立纹图案,阴辊则采用偏软的布氏HBW217一类偏软的金属辊,甚至是橡胶辊,并相对应于阳辊的立纹图案位置雕刻出对应的凹下的立纹图案。阳辊和阴辊的相对精准滚动,是利用两个相同齿轮数的轮子相互咬合,保证周长相同的阳辊和阴辊的密接,并相对精准控制滚动压印。
在一些实施例中,步骤(2)中涂料储槽中存储有透明涂料,透明涂料由以下质量份数的物质组成:羧基醋酸乙烯树脂10-40份、改性聚氨酯树脂30-70份、聚醚树脂1-10份、异氰酸酯固化剂5-10份、环保型PU催化剂0.4-0.8份、乙酸乙酯20-40份、醋酸丁酯10-20份;在另一些实施例中,步骤(2)中涂料储槽存储有带颜色的半透明涂料,带颜色的半透明涂料由以下重量分数的物质组成:羧基醋酸乙烯树脂10-40份、改性聚氨酯树脂30-70份、聚醚树脂1-10份、异氰酸酯固化剂5-10份、环保型PU催化剂0.4-0.8份、乙酸乙酯20-40份、醋酸丁酯10-20份和透明着色剂10-20份;其中,改性聚氨酯树脂为氯化聚丙烯改性聚氨酯树脂,来自荒川化学工业株式会社,牌号F-202X或F-206X。刚压印出来的立纹图案其表面是很容易磨损的,甚至于出现刈纹,所以必须立即进行表面保护,将己压印出的具有立纹图案的金属片材层牵引至涂料储槽中浸泡,再经过定厚、烘干处理,以将立纹金属保护、固定。牵引过程中所用的牵引辊均为橡胶辊,防止与立纹图案的擦伤与发生失真现象,保证反射光线的强弱符合设计需求。并且需根据涂料层的厚度需求及色彩要求来决定涂布量与速度,原则上,涂布量按压印立纹图案的高低差额度为控制基准,当立纹图案的高低差为0.5mm时,涂印料应以达到流平复制好立纹图案的整个平面,其涂层厚度要大于0.8mm,才能达到所包含的立纹图案得到好的保护、固定。
在一些实施例中,步骤(3)中油墨以步骤(2)中涂料储槽中的透明涂料或带有颜色的半透明涂料为基础配方,适当调整为所需色彩的涂料油墨。
在一些实施例中,步骤(4)中具有亮光效果的涂料由以下质量份数的物质组成:热塑性丙烯酸树脂40-60份、羟基丙烯酸树脂10-30份、羟基氯醋树脂20-30份、改性聚氨酯树脂10-30份、异氰酸酯固化剂10-20份、微粉化聚四氟乙烯0.1-0.5份、有效成分含量为20%的聚乙烯蜡浆10-50份、乙酸乙酯20-40份、醋酸丁酯10-20份;在另一些实施例中,步骤(4)中具有哑光效果的涂料由以下质量份数的物质组成:热塑性丙烯酸树脂40-60份、羟基丙烯酸树脂10-30份、羟基氯醋树脂20-30份、改性聚氨酯树脂10-30份、异氰酸酯固化剂10-20份、微粉化聚四氟乙烯0.1-0.5份、有效成分含量为20%的聚乙烯蜡浆10-50份、疏水性气相二氧化硅10-20份、乙酸乙酯20-40份、醋酸丁酯10-20份。其中,改性聚氨酯树脂为氯化聚丙烯改性聚氨酯树脂,来自荒川化学工业株式会社,牌号F-202X或F-206X。
在一些实施例中,当表面层需强烈和/或较强的反射光线时,可采用具有亮光效果的保护层来增强其金属反射光线效果。
在一些实施例中,当保护层需具有亮光效果和哑光效果相结合来辅助装饰效果时,则采用以下生产方式:
(1)在需反射光线强的效果位置上,全面印刷或涂布上透明保护层,获得全透明的亮面效果,当亮面效果保护层需要透明的颜色,则在保护层材料中添加上需求的透明颜料;
(2)依设计要求,在全面亮面涂层效果的位置之上,印涂半透明和/或非透明的哑面涂料而获得哑面效果保护层,共同构成了亮面与哑面并存的保护层。
在一些实施例中,当采用连续漫反射立纹图案时,表面可采用哑光保护涂层料直接涂印。
第三方面,本说明书还提出了一种所述的能反射光线的复合膜片在汽车内饰塑料制品中的应用。
本说明书中,复合膜片在汽车内饰塑料制品中应用的生产工艺关键是:复合膜片在未进入模具型腔内之前,依据镶嵌道理,必须依据注塑模具型腔内造型结构,预前将复合膜片进行成型,其成型工艺是先将复合膜片在300℃高温高压力作用下成型,然后再通过冲剪定型,而获得可放进注塑塑料模具型腔内的造型膜片。具备一定造型的装饰保护膜片再放进模具型腔内对应的位置中,当合上注塑模具,经过塑料材料的注塑,受塑料材料的热力压力的共同作用下,使注塑上的塑料原材料与造型膜片中的ABS片相互热熔渗透粘合为一体;当打开模具取出注塑塑料制品时,由于复合膜片中金属片材具有可弯曲的反包成型性,使塑料制品表面不仅增加了金属装饰美感,也可以使塑料制品的底下得到金属膜片的保护,甚至是增加底部的美感效果。
实施例1
如图14所示,本实施例提供一种能反射光线的复合膜片,包括具有立纹图案的金属片材层1,金属片材层1的两表面均设置有涂料层2,一涂料层2的表面设置有油墨层3,油墨层3的表面设置有保护层4,另一涂料层2的表面粘接有ABS片材层5,立纹图案是一种带有三角形的图案,如图11所示的平面三角形图案,三角形图案要求带有金色的反射光线,其中,小三角部分要求反射光线强烈,位于小三角部分之外的大三角外周部分的反射光线则不需太强烈,而三角形图案以外的位置要求珠光黑底色遮盖,以明显衬托金色的三角形立纹图案。
为满足强烈反射光线的状态要求,小三角部分(图11中a部分)设置为平面状态;而位于小三角部分之外的大三角外周部分(图11中b部分)的反射光线不需太强烈,以辅助增强小三角部分的视觉美感,如图12所示,图11中b部分截面中直线段与水平面的夹角∠1和∠2均小于10°。
本实施例的能反射光线的复合膜片的制备方法如下:
(1)金属片材层1的制备:如图13所示,金属片提前印刷上黑色的油墨作为印刷套准标记,利于电眼的感应传输,将金属片材牵引至压印辊组,控制电机的同步有序精准运转,经过相对压印产生三角形立纹图案,得到具有立纹图案的金属片材层1;
(2)涂料层2的制备:将步骤(1)所得具有立纹图案的金属片材层1牵引至涂料储槽中浸泡,再经过定厚、烘干处理得到涂料层2;其中,涂料储槽中涂料包括92wt%的透明液体A和8wt%的液体B,透明液体A由以下质量份数的物质组成:羧基醋酸乙烯树脂 22份、改性聚氨酯树脂33份、聚醚树脂2份、异氰酸酯固化剂5份、PU催化剂 0.5份、乙酸乙酯 26 份、 醋酸丁酯10份;液体B由以下质量份数的物质组成:黄色颜料 30份、乙酸乙酯43份、醋酸丁酯27份;其中,改性聚氨酯树脂为氯化聚丙烯改性聚氨酯树脂,来自荒川化学工业株式会社,牌号F-202X;
(3)油墨层3的制备:在步骤(2)所得的涂料层表面印刷珠光黑色油墨形成油墨层3;珠光黑色油墨包括90~92wt%的涂料油墨和8~10wt%的颜料,涂料油墨的物质组成与透明液体A的物质组成相同,颜料由以下质量份数的物质组成:黑色颜料20份、珠光粉5份、乙酸乙酯50份、醋酸丁酯25份;
(4)保护层4的制备:在步骤(3)所得的油墨层表面涂印具有亮光效果的涂料,形成保护层4;具有亮光效果的涂料由以下质量份数的物质组成:热塑性丙烯酸树脂40份、羟基丙烯酸树脂10份、羟基氯醋树脂20份、改性聚氨酯树脂10份、异氰酸酯固化剂10份、微粉化聚四氟乙烯0.1份、有效成分含量为20%的聚乙烯蜡浆10份、乙酸乙酯20-40份、醋酸丁酯10-20份;其中,改性聚氨酯树脂为氯化聚丙烯改性聚氨酯树脂,来自荒川化学工业株式会社,牌号F-202X;
(5)ABS片材层5的粘合:在步骤(2)得到的另一涂料层2的表面涂覆胶黏剂后,与ABS片材层5进行热压粘合,得到如图14所述的复合膜片。
如图15所示,本实施例的能反射光线的复合膜片的应用如下:
(1)依据设计要求,制作出成型模具和冲剪模具,将制得的复合膜片放置于成型模具上,给予300℃的强加热,使复合膜片软化,再给予高压力的吸塑定形,成为具有一定造型的复合膜片,再经冲剪模具的冲剪,去掉周边废膜片,使得复合膜片形态刚好放进塑料模具母模凹下的位置,成型模具的造型结构与模具母模凹下的结构必须符合镶嵌相吻合要求;
(2)注塑:将裁剪好的复合膜片放进塑料模具之型腔内,合上模具,注塑上ABS塑料材料,在塑料材料的热力和压力双重作用下,逐渐粘附上复合膜片,打开模具,取出表面粘附上复合膜片的塑料制品,复合膜片的塑料制品由于造型的特殊性,其制品的背面获得了反包保护。
实施例2
如图16所示,本实施例提供一种能反射光线的复合膜片,包括具有立纹图案的金属片材层1,金属片材层1的两表面均设置有涂料层2,一涂料层2的表面依次设置有非透明油墨层31和透明油墨层32,透明油墨层32的表面设置有亮光保护层41,亮光保护层的表面部分区域设置有哑光保护层42,另一涂料层2的表面粘接有ABS片材层5,立纹图案如图4所示,具有均匀银白拉丝金属质感的漫反射效果,涂料层2为透明涂料层,非透明油墨层31为具有黑色纹路的油墨层。
本实施例的能反射光线的复合膜片的制备方法如下:
(1)金属片材层1的制备:压印辊组中阳辊使用磨砂纸通过表面机械摩擦的方法,使得表面获得均匀的哑面拉丝效果,其中最高的线条或颗粒不超过5μm,其哑度效果要求达到60度角测试表面光泽度为20GU,阴辊则不需有对应的纹路,只作承受压力吻合作用,将金属片材牵引至压印辊组,经过相对压印产生如图所示的立纹图案,得到具有立纹图案的金属片材层1;
(2)涂料层2的制备:将步骤(1)所得具有立纹图案的金属片材层1牵引至涂料储槽中浸泡,再经过定厚、烘干处理得到涂料层2;其中,涂料储槽中涂料包括透明液体A,透明液体A由以下质量份数的物质组成:羧基醋酸乙烯树脂 22份、改性聚氨酯树脂33份、聚醚树脂2份、异氰酸酯固化剂5份、PU催化剂 0.5份、乙酸乙酯 26 份、 醋酸丁酯10份;其中,改性聚氨酯树脂为氯化聚丙烯改性聚氨酯树脂,来自荒川化学工业株式会社,牌号F-206X;
(3)油墨层3的制备:按设计纹路制作凹印版辊,在步骤(2)所得的涂料层表面印刷珠光黑色油墨形成具有黑色纹路的非透明油墨层31,再在非透明油墨层31的表面印刷形成透明油墨层32,透明油墨层32所采用的油墨物质组成与透明液体A的物质组成相同;珠光黑色油墨包括80wt%的涂料油墨和20wt%的颜料,涂料油墨的物质组成与透明液体A的物质组成相同,颜料由以下质量份数的物质组成:纳米黑色透明色浆80份、乙酸乙酯10份、醋酸丁酯10份;
(4)保护层4的制备:在步骤(3)所得的油墨层3表面涂印具有亮光效果的涂料,形成亮光保护层41,具有亮光效果的涂料由以下质量份数的物质组成:热塑性丙烯酸树脂40份、羟基丙烯酸树脂10份、羟基氯醋树脂20份、改性聚氨酯树脂10份、异氰酸酯固化剂10份、微粉化聚四氟乙烯0.1份、有效成分含量为20%的聚乙烯蜡浆10份、乙酸乙酯20-40份、醋酸丁酯10-20份;再在除黑色纹路的其他位置印刷具有哑光效果的涂料,形成哑光保护层42,具有哑光效果的涂料由以下质量份数的物质组成:热塑性丙烯酸树脂40份、羟基丙烯酸树脂10份、羟基氯醋树脂20份、改性聚氨酯树脂10份、异氰酸酯固化剂10份、微粉化聚四氟乙烯0.5份、有效成分含量为20%的聚乙烯蜡浆10份、疏水性气相二氧化硅10份、乙酸乙酯20份、醋酸丁酯10份;其中,改性聚氨酯树脂为氯化聚丙烯改性聚氨酯树脂,来自荒川化学工业株式会社,牌号F-206X;
(5)ABS片材层5的粘合:在步骤(2)所得的另一保护层的表面涂覆胶黏剂后,与ABS片材层5进行热压粘合,得到如图16所示的复合膜片。
本实施例的能反射光线的复合膜片的应用如下:
(1)依据设计要求,制作出成型模具和冲剪模具,将制得的复合膜片放置于成型模具上,给予300℃的强加热,使复合膜片软化,再给予高压力的吸塑定形,成为具有一定造型的复合膜片,再经冲剪模具的冲剪,去掉周边废膜片,使得复合膜片形态刚好放进塑料模具母模凹下的位置,成型模具的造型结构与模具母模凹下的结构必须符合镶嵌相吻合要求;
(2)注塑:将裁剪好的复合膜片放进塑料模具之型腔内,合上模具,注塑上ABS塑料材料,在塑料材料的热力和压力双重作用下,逐渐粘附上复合膜片,打开模具,取出表面粘附上复合膜片的塑料制品,复合膜片的塑料制品由于造型的特殊性,其制品的背面获得了反包保护。
以上所述仅为本发明的优选实施例,并非因此限制本发明的专利范围,凡是在本发明的构思下,利用本发明说明书所作的等效结构变换,或直接/间接运用在其他相关的技术领域均包括在本发明的专利保护范围内。
Claims (9)
1.一种能反射光线的复合膜片,其特征在于,包括具有立纹图案的金属片材层,所述金属片材层的两表面均设置有涂料层,一所述涂料层的表面设置有油墨层,所述油墨层的表面设置有保护层,另一所述涂料层的表面粘接有ABS片材层,所述立纹图案的截面由多个直线段和/或弧线段组成,所述复合膜片的光线反射强度由所述直线段和/或弧线段与水平面的夹角大小决定。
2.如权利要求1所述的能反射光线的复合膜片,其特征在于,所述立纹图案的截面中直线段与水平面的夹角为∠a,所述立纹图案的截面中弧线段与水平面的夹角为∠b,所述复合膜片的光线反射强度与夹角大小的关系如下:
(1)当∠a和∠b为0°时,所述复合膜片的光线反射强度最强;
(2)当0°<∠a≤10°和0°<∠b≤5°时,所述复合膜片的光线反射强度次强;
(3)当10°<∠a≤45°和5°<∠b≤45°时,所述复合膜片的光线反射强度较弱;
(4)当∠a>45°和∠b>45°时,所述复合膜片的光线强度最弱;
(5)当所述立纹图案中多个直线段和/或弧线段与水平面的夹角为以上(1)至(4)多种情况的综合时,所述复合膜片呈现漫反射光线状态。
3.如权利要求1所述的能反射光线的复合膜片,其特征在于,所述金属片材层为铝箔层或锡箔层。
4.如权利要求1所述的能反射光线的复合膜片,其特征在于,所述涂料层为透明或带颜色的半透明涂料层。
5.如权利要求1所述的能反射光线的复合膜片,其特征在于,所述油墨层包括透明油墨层和/或非透明油墨层,当油墨层为非透明油墨层时,其预留有用于反射光线的未涂布区域。
6.如权利要求1所述的能反射光线的复合膜片,其特征在于,所述保护层包括亮光保护层和/或哑光保护层。
7.如权利要求1所述的能反射光线的复合膜片,其特征在于,所述ABS片材层通过ABS胶与另一所述涂料层粘接。
8.如权利要求1~7任一项所述的能反射光线的复合膜片的制备方法,其特征在于,包括以下步骤:
(1)金属片材层的制备:将金属片材牵引至压印辊组,经过相对压印产生立纹图案,得到具有立纹图案的金属片材层;
(2)涂料层的制备:将步骤(1)所得具有立纹图案的金属片材层牵引至涂料储槽中浸泡,再经过定厚、烘干处理得到涂料层;
(3)油墨层的制备:在步骤(2)所得的一所述涂料层表面印刷油墨形成油墨层;
(4)保护层的制备:在步骤(3)所得的油墨层表面涂印具有亮光效果和/或哑光效果的涂料,形成保护层;
(5)ABS片材层的粘合:在步骤(2)所得的另一所述涂料层的表面涂覆胶黏剂后,与ABS片材层进行热压粘合,得到所述复合膜片。
9.如权利要求1~7任一项所述的能反射光线的复合膜片在汽车内饰塑料制品中的应用。
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