CN115340831A - 一种可降解型车膜及其制备方法 - Google Patents
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Abstract
本发明提供一种可降解型车膜及其制备方法,涉及车膜领域。该可降解型车膜,包括PP油纸、外膜层和内膜层,外膜层和内膜层之间设置有上色层,内膜层和PP油纸之间设置有黏合层。通过使用聚羟基脂肪酸酯薄膜作为外膜层和内膜层的制作材料,同时选用可降解的VN胶和α-氰基丙烯酸甲酯分别作为外膜层和内膜层、内膜层和车体之间的黏合材料,在不影响车膜正常使用功能的前提条件下,保证了车膜可在自然环境下进行降解,不产生有害残留,保护了环境,也避免了对人体造成伤害,使用的聚羟基脂肪酸酯薄膜可通过在生产时进行设置控制降解速率,控制车膜使用寿命,同时可采用不同的天然色素对颜色进行调配,呈现出不同色彩的车膜,更加美观多样,且可降解。
Description
技术领域
本发明涉及车膜领域,具体为一种可降解型车膜及其制备方法。
背景技术
车膜是一种给汽车隔热、防紫外线的膜产品,车膜贴膜对技术及软硬条件都要求很高,比如无尘的环境、专用设备、规范的操作流程以及熟练的技术,常采用特殊塑料制作而成,因以其便利性、渗透到各行各业,进入千家万户,同时带来巨大的环境污染,国际、国内各种环境保护政策版权、法律法规、保护环境的法案陆续出台,证明生物降解塑料需求正逐步走入正规化、产业化,发展生物降解塑料正进入蓬勃发展的黄金时期,PHA又称聚羟基脂肪酸酯,是普遍存在于多种细菌中的一类胞内聚酯的总称,具有良好的机械性能和优异的生物相容性以及生物可降解性,制品能在使用废弃后能够100%生物降解,最终生成二氧化碳和水。
现有的车膜使用材料不可降解,在使用完成后难以集中收集处理,随意丢弃容易对环境造成极大危害,分解后产生的有害物质和小颗粒进入生物链循环后,最终会对人体造成危害,因此,如何提供一种可降解型车膜及其制备方法在当前的环境中显得尤为重要。
发明内容
(一)解决的技术问题
针对现有技术的不足,本发明提供了一种可降解型车膜及其制备方法,解决了废旧的车膜不易分解,易对环境造成污染的问题。
(二)技术方案
为实现以上目的,本发明通过以下技术方案予以实现:一种可降解型车膜及其制备方法,包括PP油纸、外膜层和内膜层,外膜层和内膜层之间设置有上色层,内膜层和PP油纸之间设置有黏合层。
优选的,外膜层和内膜层使用材质为聚羟基脂肪酸酯薄膜,上色层使用材质为有机染料和VN胶,黏合层使用材质为α-氰基丙烯酸甲酯。
优选的,一种可降解型车膜制备方法,具体包括以下步骤;
S1.选取制膜材料
选取聚羟基脂肪酸酯薄膜作为外膜层和内膜层的制作材料;
S2.展平
将选取的外膜层和内膜层送入展平机进行张拉展平,消除运输储存过程中产生的皱纹;
S3.表面清洁
利用强风吹去外膜层和内膜层表面灰尘杂物;
S4.涂布上色
向所需颜色的有机染料加入少量VN胶,并混合均匀,将调配好的有机颜料均匀涂抹于内膜层表面;
S5.压膜
将外膜层覆盖于内膜层表面,并传过压膜机经过辊轮充分滚压;
S6.上胶
在内膜层远离外膜层的一面均匀涂抹α-氰基丙烯酸甲酯;
S7.烘干
使处理后的薄膜经过烘干室进行充分烘干,使薄膜定型;
S8.裁剪
根据贴膜车辆信息对薄膜进行裁剪,将薄膜加工成为合适的尺寸形状;
S9.卷膜储存
将裁剪后的车膜收集卷起入库储存。
优选的,S1中选取的外膜层和内膜层的厚度均为0.001um。
优选的,S4中有机染料和VN胶体积比为9:1。
优选的,S5中辊轮表面温度为80℃。
优选的,S4-S6均在无尘车间内完成。
优选的,S6中在α-氰基丙烯酸甲酯涂抹完成后,再向内膜层涂胶的一面覆盖PP油纸。
(三)有益效果
本发明提供了一种可降解型车膜及其制备方法。具备以下有益效果:
1、本发明提供了一种可降解型车膜及其制备方法,该可降解性车膜通过使用聚羟基脂肪酸酯薄膜作为外膜层和内膜层的制作材料,同时选用可降解的VN胶和α-氰基丙烯酸甲酯分别作为外膜层和内膜层、内膜层和车体之间的黏合材料,在不影响车膜正常使用的同时,保证了车膜可在自然环境下进行降解,不产生有害残留,保护了环境,也避免了对人体造成伤害。
2、本发明提供了一种可降解型车膜及其制备方法,该可降解性车膜内膜层和外膜层采用的聚羟基脂肪酸酯薄膜可通过在生产时进行设置控制降解速率,控制车膜使用寿命,且相较于一般的生物可降解材料需要在堆肥条件下才能降解,聚羟基脂肪酸酯薄膜具有自发的生物可降解性,无需堆肥即可在自然环境下降解,在生物体内的降解产物主要是小分子低聚物或是单体成分,对人体无毒无害,也不会引起强烈的排异反应,使用更加安全。
3、本发明提供了一种可降解型车膜及其制备方法,该可降解性车膜可根据实际需求,采用不同的天然色素对颜色进行调配,呈现出不同色彩的车膜,更加美观多样,使用的染料为从植物中提取获得的天然有机色素制作而成,制成的车膜使用起来对人体无害,同时在车膜废弃之后,可进行天然完全分解,不产生有害残留,不对环境造成影响,更加绿色环保。
附图说明
图1为本发明剖视示意图;
其中,1、外膜层;2、上色层;3、内膜层;4、黏合层;5、PP油纸。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例:
如图1所示,本发明实施例提供一种可降解型车膜及其制备方法,一种可降解型车膜,包括PP油纸5、外膜层1和内膜层3,外膜层1和内膜层3之间设置有上色层2,内膜层3和PP油纸5之间设置有黏合层4,成品车膜总体厚度控制在0.1-0.2mm,保证最佳的贴合度,同时不易破裂;
外膜层1和内膜层3使用材质为聚羟基脂肪酸酯薄膜,上色层2使用材质为有机染料和VN胶,黏合层4使用材质为α-氰基丙烯酸甲酯,聚羟基脂肪酸酯薄膜是一种高分子生物材料,拥有100-3000个相同及不同羟基脂肪酸单体的高分子聚合物,有着良好的理化性能、热加工性能、光学异构性、压电性、气体阻隔性、生物可降解性以及生物相容性,可在加工时设置降解速率,控制降解时间,不影响车膜使用期内的正常使用,并可在废弃后完全降解,不产生有害残留,有机染料为植物中提取的有机色素调配加工制成,无毒无害,可完全分解,VN胶和α-氰基丙烯酸甲酯也可完全降解,同时VN胶凝固后为完全透明性质,不影响车膜自身色彩;
一种可降解型车膜制备方法,具体包括以下步骤;
S1.选取制膜材料
选取聚羟基脂肪酸酯薄膜作为外膜层1和内膜层3的制作材料,双层膜设置,增加成品车膜韧性,不易损坏,同时也保护上色层2,避免有机涂料直接接触外界环境,延长使用寿命;
S2.展平
将选取的外膜层1和内膜层3送入展平机进行张拉展平,消除运输储存过程中产生的皱纹,使制成车膜更加光洁平整;
S3.表面清洁
利用强风吹去外膜层1和内膜层3表面灰尘杂物,防止对后续工序产生不良影响;
S4.涂布上色
向所需颜色的有机染料加入少量VN胶,提升外膜层1和内膜层3之间的黏合度,并混合均匀,将调配好的有机颜料均匀涂抹于内膜层3表面;
S5.压膜
将外膜层1覆盖于内膜层3表面,并传过压膜机经过辊轮充分滚压,保证外膜层1和内膜层3黏合充分;
S6.上胶
在内膜层3远离外膜层1的一面均匀涂抹α-氰基丙烯酸甲酯,用于将车膜固定在车辆指定位置;
S7.烘干
使处理后的薄膜经过烘干室进行充分烘干,使薄膜定型;
S8.裁剪
提前获取需要使用车膜的车辆信息,根据贴膜车辆信息对薄膜进行裁剪,将薄膜加工成为合适的尺寸形状,便于贴膜时更加贴合;
S9.卷膜储存
将裁剪后的车膜收集卷起入库储存;
S1中选取的外膜层1和内膜层3的厚度均为0.001um,保证柔韧度和透明度,S4中有机染料和VN胶体积比为9:1,S5中辊轮表面温度为80℃,使滚压更加充分,提升平整效果,S4-S6均在无尘车间内完成,防止灰尘夹在车膜内部,影响美观和性能,S6中在α-氰基丙烯酸甲酯涂抹完成后,再向内膜层3涂胶的一面覆盖PP油纸5。
尽管已经示出和描述了本发明的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由所附权利要求及其等同物限定。
Claims (8)
1.一种可降解型车膜,包括PP油纸(5)、外膜层(1)和内膜层(3),其特征在于:所述外膜层(1)和内膜层(3)之间设置有上色层(2),所述内膜层(3)和PP油纸(5)之间设置有黏合层(4)。
2.根据权利要求1所述的一种可降解型车膜,其特征在于:所述外膜层(1)和内膜层(3)使用材质为聚羟基脂肪酸酯薄膜,所述上色层(2)使用材质为有机染料和VN胶,所述黏合层(4)使用材质为α-氰基丙烯酸甲酯。
3.一种可降解型车膜制备方法,其特征在于,具体包括以下步骤;
S1.选取制膜材料
选取聚羟基脂肪酸酯薄膜作为外膜层(1)和内膜层(3)的制作材料;
S2.展平
将选取的外膜层(1)和内膜层(3)送入展平机进行张拉展平,消除运输储存过程中产生的皱纹;
S3.表面清洁
利用强风吹去外膜层(1)和内膜层(3)表面灰尘杂物;
S4.涂布上色
向所需颜色的有机染料加入少量VN胶,并混合均匀,将调配好的有机颜料均匀涂抹于内膜层(3)表面;
S5.压膜
将外膜层(1)覆盖于内膜层(3)表面,并传过压膜机经过辊轮充分滚压;
S6.上胶
在内膜层(3)远离外膜层(1)的一面均匀涂抹α-氰基丙烯酸甲酯;
S7.烘干
使处理后的薄膜经过烘干室进行充分烘干,使薄膜定型;
S8.裁剪
根据贴膜车辆信息对薄膜进行裁剪,将薄膜加工成为合适的尺寸形状;
S9.卷膜储存
将裁剪后的车膜收集卷起入库储存。
4.根据权利要求3所述的一种可降解型车膜制备方法,其特征在于:所述S1中选取的外膜层(1)和内膜层(3)的厚度均为0.001um。
5.根据权利要求3所述的一种可降解型车膜制备方法,其特征在于:所述S4中有机染料和VN胶体积比为9:1。
6.根据权利要求3所述的一种可降解型车膜制备方法,其特征在于:所述S5中辊轮表面温度为80℃。
7.根据权利要求3所述的一种可降解型车膜制备方法,其特征在于:所述S4-S6均在无尘车间内完成。
8.根据权利要求3所述的一种可降解型车膜制备方法,其特征在于:所述S6中在α-氰基丙烯酸甲酯涂抹完成后,再向内膜层(3)涂胶的一面覆盖PP油纸(5)。
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