CN112593420A - 一种纳米热冷光影革及其制备方法 - Google Patents

一种纳米热冷光影革及其制备方法 Download PDF

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CN112593420A
CN112593420A CN202011425075.6A CN202011425075A CN112593420A CN 112593420 A CN112593420 A CN 112593420A CN 202011425075 A CN202011425075 A CN 202011425075A CN 112593420 A CN112593420 A CN 112593420A
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戴建波
沈亚南
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Abstract

一种纳米热冷光影革及其制备方法，本发明涉及皮革技术领域，一种纳米热冷光影革，它由面层、基层和粘合层；将步骤1制得的面层混合浆料均匀涂布在离型纸上，然后进行烘干，再通过干法合成革生产线将步骤2制成的粘合层混合浆料喷涂在带有面层的离型纸上；将步骤3中产生的半成品放到压花机的内部，通过红外控温，对设计的图案进行不同的温控处理，从而形成颜色深浅的变化，压花完成后，在压花辊的内部通入冷却液，对制成的热冷光影革进行冷却定型；通过对合成革表面设计的图案进行不同的温控处理，从而形成颜色的深浅变化，使得合成革的表面在不同的光照下呈现不同的光影效果，提高了合成革的美观性，增加了合成革的适用范围。

Description

一种纳米热冷光影革及其制备方法
技术领域
本发明涉及皮革技术领域，具体涉及一种纳米热冷光影革及其制备方法。
背景技术
现有技术中的汽车在进行生产过程中，汽车的门板、座椅、仪表盘、立柱以及顶棚等多个部位经常使用到真皮、超纤和PU材料；传统的真皮在生产加工完成后，在保证不改变其物理、化学性能(包括真皮手感、色牢度、耐折、耐磨损等)的前提下，对表面进行后处理，根据我国古代“宋锦”的生产工艺特点，按照先“经”后“纬”的工艺变化要求，使真皮的表面在不同的光照下呈现出不同的光影效果；但是现有技术中的超纤和PU图案的光影效果远不如真皮产生的光影效果，因此亟需一种纳米热冷光影革及其制备方法。
发明内容
本发明的目的在于针对现有技术的缺陷和不足，提供一种结构简单，设计合理、使用方便的纳米热冷光影革及其制备方法，通过对合成革表面设计的图案进行不同的温控处理，从而形成颜色的深浅变化，使得合成革的表面在不同的光照下呈现不同的光影效果，提高了合成革的美观性，增加了合成革的适用范围。
为实现上述目的，本发明采用的技术方案是：它由面层、基层和粘合层构成；所述的面层包含以下重量份的原料：聚氯乙烯树脂80-120份、增塑剂30-50份、填料30-50份、耐热稳定剂3-5份、颜料0-3份、阻燃剂10-20份、石墨烯分散液1-5份、流动改性剂0-5份；所述的基层由纳米级超细纤维底布制成；所述的粘合层包含以下重量份的原料：聚胺基甲酸酯树脂100-150份、颜料30-40份、石墨烯分散液1-5份。
进一步地，所述的填料由碳酸钙粉料和含水硅酸镁粉料以1:1比例混合制成。
进一步地，所述的增塑剂由磺酸类增塑剂、环氧类增塑剂和邻苯增塑剂以2:1:5的比例混合制成。
本发明中所述的一种纳米热冷光影革的制备方法，它包含以下步骤：
步骤1、制备面层原料：根据面层的重量份称取相对应重量的聚氯乙烯树脂、增塑剂、填料、耐热稳定剂、颜料、阻燃剂和流动改性剂，然后将称取好原料进行搅拌，混合均匀，搅拌温度采用的是110℃-130℃，搅拌时间为100-200s；混合完成后，将提前制备好的石墨烯分散液加入到混合液的内部进行搅拌，得到面层混合浆料；
步骤2、制备粘合层原料：根据粘合层的重量份称取相对应重量的聚胺基甲酸酯树脂和颜料，然后将称取好的原料进行搅拌，搅拌温度采用的是120℃-130℃，搅拌时间为200-300s，搅拌完成后，将提前制备好的石墨烯分散液加入到混合液的内部进行搅拌，得到粘合层混合浆料；
步骤3、制备合成革：将步骤1制得的面层混合浆料均匀涂布在离型纸上，然后进行烘干，再通过干法合成革生产线将步骤2制成的粘合层混合浆料喷涂在带有面层的离型纸上，并通过压延机将基层与离型纸压合、烘干，烘干温度为160℃-180℃；
步骤4、将步骤3中产生的半成品放到压花机的内部，通过红外控温，对设计的图案进行不同的温控处理，从而形成颜色深浅的变化，压花完成后，在压花辊的内部通入冷却液，对制成的热冷光影革进行冷却定型，最后进行将成品恢复平整度即可。
进一步地，所述的步骤1和步骤2中的石墨烯分散液由超声波分散机对石墨烯颗粒进行分散、过滤后制得。
进一步地，对石墨烯分散液进行过滤采用的滤网目数为200-400目。
本发明有益效果为：
1、基层采用的是纳米级超细纤维底布制成，增加的基层的抗撕裂强度、拉伸强度、耐湿热老化性能等，满足车内饰物的技术要求；
2、在面层和粘合层的内部均添加了石墨烯分散液，减少了原料对环境的影响，同时增加了成品的透湿、透气性；
3、通过红外控温，对压花机内的半成品表面设计的图案进行不同的温控处理，从而形成颜色的深浅变化，使得合成革的表面在不同的光照下呈现不同的光影效果，提高了合成革的美观性，增加了合成革的适用范围。
具体实施方式
实施例一：
本实施例采用的技术方案是：一种纳米热冷光影革，它由面层、基层和粘合层构成；所述的面层包含以下重量份的原料：聚氯乙烯树脂80份、增塑剂30份(增塑剂由磺酸类增塑剂、环氧类增塑剂和邻苯增塑剂以2:1:5的比例混合制成)、填料30份(填料由碳酸钙粉料和含水硅酸镁粉料以1:1比例混合制成)、耐热稳定剂3份、颜料3份、阻燃剂10份、石墨烯分散液1份、流动改性剂1份；所述的基层由纳米级超细纤维底布制成；所述的粘合层包含以下重量份的原料：聚胺基甲酸酯树脂100份、颜料30份、石墨烯分散液1份。
本实施例的制备方法，它包含以下步骤：
步骤1、制备面层原料：根据面层的重量份称取相对应重量的聚氯乙烯树脂、增塑剂、填料、耐热稳定剂、颜料、阻燃剂和流动改性剂，然后将称取好原料进行搅拌，混合均匀，搅拌温度采用的是110℃，搅拌时间为100s；混合完成后，将提前制备好的石墨烯分散液加入到混合液的内部进行搅拌，得到面层混合浆料；
步骤2、制备粘合层原料：根据粘合层的重量份称取相对应重量的聚胺基甲酸酯树脂和颜料，然后将称取好的原料进行搅拌，搅拌温度采用的是120℃，搅拌时间为200s，搅拌完成后，将提前制备好的石墨烯分散液加入到混合液的内部进行搅拌，得到粘合层混合浆料；步骤1和步骤2中的石墨烯分散液由型号是GZ-1006的超声波分散机对石墨烯颗粒进行分散、过滤后制得；对石墨烯分散液进行过滤采用的滤网目数为400目；
步骤3、制备合成革：将步骤1制得的面层混合浆料均匀涂布在离型纸上，然后进行烘干，再通过干法合成革生产线将步骤2制成的粘合层混合浆料喷涂在带有面层的离型纸上，并通过压延机将基层与离型纸压合、烘干，烘干温度为160℃-180℃；
步骤4、将步骤3中产生的半成品放到压花机的内部，压花机的生产速度为5m/min-15m/min，通过红外控温，对设计的图案进行不同的温控处理，从而形成颜色深浅的变化，压花完成后，在压花辊的内部通入冷却液，对制成的热冷光影革进行冷却定型，最后进行将成品恢复平整度即可。
本具体实施方式有益效果为：
1、基层采用的是纳米级超细纤维底布制成，增加的基层的抗撕裂强度、拉伸强度、耐湿热老化性能等，满足车内饰物的技术要求；
2、在面层和粘合层的内部均添加了石墨烯分散液，减少了原料对环境的影响，同时增加了成品的透湿、透气性；
3、通过红外控温，对压花机内的半成品表面设计的图案进行不同的温控处理，从而形成颜色的深浅变化，使得合成革的表面在不同的光照下呈现不同的光影效果，提高了合成革的美观性，增加了合成革的适用范围。
实施例二：
本实施例中，面层包含以下重量份的原料：聚氯乙烯树脂90份、增塑剂40份、填料40份、耐热稳定剂4份、颜料2份、阻燃剂15份、石墨烯分散液2份、流动改性剂3份；粘合层包含以下重量份的原料：聚胺基甲酸酯树脂110份、颜料35份、石墨烯分散液3份。
步骤1中的搅拌温度采用的是115℃，搅拌时间为150s；步骤2中的搅拌温度采用的是125℃，搅拌时间为250s；对石墨烯分散液进行过滤采用的滤网目数为300目；步骤3中的烘干温度为165℃；步骤4中的压花机的生产速度为10m/min；其余原理均与实施例一相同。
实施例三：
本实施例中，面层包含以下重量份的原料：聚氯乙烯树脂110份、增塑剂45份、填料45份、耐热稳定剂5份、颜料3份、阻燃剂18份、石墨烯分散液3份、流动改性剂4份；粘合层包含以下重量份的原料：聚胺基甲酸酯树脂150份、颜料40份、石墨烯分散液4份。
步骤1中的搅拌温度采用的是120℃，搅拌时间为200s；步骤2中的搅拌温度采用的是130℃，搅拌时间为300s；对石墨烯分散液进行过滤采用的滤网目数为250目；步骤3中的烘干温度为170℃；步骤4中的压花机的生产速度为15m/min；其余原理均与实施例一相同。
分别取上述实施例一到实施例三所制成的纳米冷热光影革，并对其表面的纹理进行观察，其在不同的光照下呈现不同的光影效果，能够符合使用在高档汽车座椅上的技术要求。
以上所述，仅用以说明本发明的技术方案而非限制，本领域普通技术人员对本发明的技术方案所做的其它修改或者等同替换，只要不脱离本发明技术方案的精神和范围，均应涵盖在本发明的权利要求范围当中。

Claims (6)

1.一种纳米热冷光影革，其特征在于：它由面层、基层和粘合层构成；所述的面层包含以下重量份的原料：聚氯乙烯树脂80-120份、增塑剂30-50份、填料30-50份、耐热稳定剂3-5份、颜料0-3份、阻燃剂10-20份、石墨烯分散液1-5份、流动改性剂0-5份；所述的基层由纳米级超细纤维底布制成；所述的粘合层包含以下重量份的原料：聚胺基甲酸酯树脂100-150份、颜料30-40份、石墨烯分散液1-5份。
2.根据权利要求1所述的一种纳米热冷光影革，其特征在于：所述的填料由碳酸钙粉料和含水硅酸镁粉料以1:1比例混合制成。
3.根据权利要求1所述的一种纳米热冷光影革，其特征在于：所述的增塑剂由磺酸类增塑剂、环氧类增塑剂和邻苯增塑剂以2:1:5的比例混合制成。
4.一种纳米热冷光影革的制备方法，其特征在于：它包含以下步骤：
步骤(1)、制备面层原料：根据面层的重量份称取相对应重量的聚氯乙烯树脂、增塑剂、填料、耐热稳定剂、颜料、阻燃剂和流动改性剂，然后将称取好原料进行搅拌，混合均匀，搅拌温度采用的是110℃-130℃，搅拌时间为100-200s；混合完成后，将提前制备好的石墨烯分散液加入到混合液的内部进行搅拌，得到面层混合浆料；
步骤(2)、制备粘合层原料：根据粘合层的重量份称取相对应重量的聚胺基甲酸酯树脂和颜料，然后将称取好的原料进行搅拌，搅拌温度采用的是120℃-130℃，搅拌时间为200-300s，搅拌完成后，将提前制备好的石墨烯分散液加入到混合液的内部进行搅拌，得到粘合层混合浆料；
步骤(3)、制备合成革：将步骤(1)制得的面层混合浆料均匀涂布在离型纸上，然后进行烘干，再通过干法合成革生产线将步骤(2)制成的粘合层混合浆料喷涂在带有面层的离型纸上，并通过压延机将基层与离型纸压合、烘干，烘干温度为160℃-180℃；
步骤(4)、将步骤(3)中产生的半成品放到压花机的内部，通过红外控温，对设计的图案进行不同的温控处理，从而形成颜色深浅的变化，压花完成后，在压花辊的内部通入冷却液，对制成的热冷光影革进行冷却定型，最后进行将成品恢复平整度即可。
5.根据权利要求4所述的一种纳米热冷光影革的制备方法，其特征在于：所述的步骤(1)和步骤(2)中的石墨烯分散液由超声波分散机对石墨烯颗粒进行分散、过滤后制得。
6.根据权利要求5所述的一种纳米热冷光影革的制备方法，其特征在于：对石墨烯分散液进行过滤采用的滤网目数为200-400目。
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