CN117048156A - 一种多功能的梯度结构柔性防护薄膜 - Google Patents
一种多功能的梯度结构柔性防护薄膜 Download PDFInfo
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Abstract
本发明涉及柔性防护薄膜技术领域,且公开了一种多功能的梯度结构柔性防护薄膜,包括柔性防护薄膜本体,所述柔性防护薄膜包括基层,所述基层的上表面设置有防辐射层,所述防辐射层的上表面设置有抗拉伸层,所述抗拉伸层,所述抗拉伸层的上表面设置有防尘层,通过设置防辐射层提高防护薄膜主体的抗辐射能力,且采用复合材料制成的防辐射层具备抗辐射能力强,无毒且采用改性PET层作为防辐射层材料,能够有效降低电磁辐射对设备的干扰,通过混合、抽滤、干燥、离心、超滤等操作下使得微纳米氧化钐在聚偏氟乙烯内混合后均匀分布,能更好的发挥纳米氧化钐高效防辐射性能。
Description
技术领域
本发明涉及柔性防护薄膜技术领域,具体为一种多功能的梯度结构柔性防护薄膜。
背景技术
通常,航天器的传统设计(采用铝作为结构材料),能够较好地兼顾工程和辐射防护需求。然而,铝毕竟是金属结构材料,其密度尚较高(2.7g/cm3),不利于更加有效地降低航天器的结构重量,而且容易造成二次辐射。随着航天技术的发展,对轻质、高性能和低成本的辐射防护材料提出了迫切需求。深空探测航天器要长时间在行星际空间飞行,如火星探测器飞行时间长达500天以上,遭遇银河宇宙线和太阳质子辐射损伤的可能性更大。富氢材料如水、聚乙烯等具有优异的辐射防护能力。这使聚乙烯及其复合材料成为富有前途的抗空间辐射防护材料。将含铅等重金属离子掺杂制备的复合材料,具有一定的防护性能,但是含重金属铅有毒且污染环境。因此,制备一种高性能的多功能的优异柔性防护材料用于防护电子器件具有重要意义。
发明内容
本发明的目的在于提供了一种多功能的梯度结构柔性防护薄膜,解决了上述背景技术中提到的问题。
为实现上述目的,本发明提供如下技术方案:一种多功能的梯度结构柔性防护薄膜,包括柔性防护薄膜本体,所述柔性防护薄膜包括基层,所述基层的上表面设置有防辐射层,所述防辐射层的上表面设置有抗拉伸层,所述抗拉伸层,所述抗拉伸层的上表面设置有防尘层。
优选的,所述基层由双向拉伸聚丙烯薄膜制成,所述基层的厚度在0.02mm~0.07m。
优选的,所述防辐射层为改性PET和微纳米氧化钐的复合薄膜层,所述防辐射层的厚度为0.01mm~0.03m。
优选的,所述抗拉伸层为高密度聚乙烯材质,所述抗拉伸层的厚度为0.02mm~0.07m。
优选的,所述防尘层4包括水性离型膜和防静电膜复合而成,所述防尘层4的厚度为0.02mm~0.08m。
优选的,所述防辐射层的组成成分为,PET20~30份、多异氰酸酯5~10份、纳米二氧化钛1~3份、增塑剂4~10份、固化剂2~4份、防老剂1~3份、微纳米氧化钐0.6~1.5份,其制备方式为将各组分按照组成成分比依次放置在混合罐内后添加50~100份水在0~15MPa、温度90~100℃下搅拌反应3~4小时,然后水洗至溶液中无Cl-,抽滤,干燥,粉碎,过100~200目筛的到复合涂料,然后取3~5份改性复合涂料加入100~300份甲苯和丙酮混合液中,在3000~5000r/min下搅拌24h,然后经3000r/min×10min离心,取上层清液即得到粘土溶液,将粘土溶液通过去离子水洗涤后使用孔径0.20μm的微孔过滤膜,孔径0.18μm的三氧化二铝模板,进行真空抽滤自组装,时间为1~1.5小时,得到的样品在常温下自然干燥,干燥后的样品用丙酮溶液溶解去除微孔过滤膜得到改性PET和微纳米氧化钐的复合薄膜层。
优选的,所述抗拉伸层的组成成分为:乙烯-醋酸乙烯共聚物2~3份、润滑剂0.1~0.2份、增韧剂3~5份、抗氧化剂0.2~0.5份、着色剂0.2~1.0份。
优选的,所述防尘层的制备方式为:将防静电涂料溶液喷洒至加热旋转的抗拉伸层的表面上,以合成防静电薄膜,采用去离子水和乙醇将防静电薄膜进行清洗,然后浸入水中,待完全冷却后采用去离子水对防静电薄膜进行清洗,清洗后在UV烘干设备内烘干,烘干温度60~80°,烘干时长在30~70min,然后将水性离型涂料喷洒至加热旋转的防静电薄膜的外壁上,以合成水性离型膜和防静电膜的复合层。
本发明提供了一种多功能的梯度结构柔性防护薄膜。该多功能的梯度结构柔性防护薄膜具备以下有益效果:
(1)、该多功能的梯度结构柔性防护薄膜,通过设置防辐射层提高防护薄膜主体的抗辐射能力,且采用复合材料制成的防辐射层具备抗辐射能力强,无毒且采用改性PET层作为防辐射层材料,能够有效降低电磁辐射对设备的干扰,通过混合、抽滤、干燥、离心、超滤等操作下使得微纳米氧化钐在聚偏氟乙烯内混合后均匀分布,能更好的发挥纳米氧化钐高效防辐射性能;
(2)、该多功能的梯度结构柔性防护薄膜,通过设置双向拉伸聚丙烯薄膜为柔性防护薄膜主体基层,提高整个柔性防护薄膜的的抗拉伸强度,且在柔性防护薄膜主体内设置高密度聚乙烯材质为主的抗拉伸层,进一步提高柔性防护薄膜的抗拉伸强度;
(3)、该多功能的梯度结构柔性防护薄膜,在柔性防护薄膜主体最上层设置带有防水效果的防尘层,以防静电薄膜为基层配合水性离型膜形成防水防尘的薄膜顶层,实现防水防尘的效果。
附图说明
图1为本发明分层结构示意图;
图2为本发明图1A处放大结构示意图。
图中:1、基层;2、防辐射层;3、抗拉伸层;4、防尘层。
具体实施方式
实施例1
本发明所提供的一种多功能的梯度结构柔性防护薄膜的较佳实施例如图1至图2所示:一种多功能的梯度结构柔性防护薄膜,包括柔性防护薄膜本体,柔性防护薄膜包括基层1,基层1的上表面设置有防辐射层2,防辐射层2的上表面设置有抗拉伸层3,抗拉伸层3,抗拉伸层3的上表面设置有防尘层4;
基层1由双向拉伸聚丙烯薄膜制成,基层1的厚度在0.02mm,防辐射层2为改性PET和微纳米氧化钐的复合薄膜层,防辐射层2为改性PET和微纳米氧化钐的复合薄膜层,防辐射层2的厚度为0.01mmm,防辐射层2的组成成分为,PET20份、多异氰酸酯5份、纳米二氧化钛1份、增塑剂4份、固化剂2份、防老剂1份、微纳米氧化钐0.6份,其制备方式为将各组分按照组成成分比依次放置在混合罐内后添加50份水在0MPa、温度90℃下搅拌反应3小时,然后水洗至溶液中无Cl-,抽滤,干燥,粉碎,过100目筛的到复合涂料,然后取3份改性复合涂料加入100份甲苯和丙酮混合液中,在3000r/min下搅拌24h,然后经3000r/min×10min离心,取上层清液即得到粘土溶液,将粘土溶液通过去离子水洗涤后使用孔径0.20μm的微孔过滤膜,孔径0.18μm的三氧化二铝模板,进行真空抽滤自组装,时间为1小时,得到的样品在常温下自然干燥,干燥后的样品用丙酮溶液溶解去除微孔过滤膜得到改性PET和微纳米氧化钐的复合薄膜层,抗拉伸层3为高密度聚乙烯材质,抗拉伸层3的厚度为0.02mmm,抗拉伸层3的组成成分为:乙烯-醋酸乙烯共聚物2份、润滑剂0.1份、增韧剂3份、抗氧化剂0.2份、着色剂0.2份,防尘层4包括水性离型膜和防静电膜复合而成,防尘层4的厚度为0.02mmm,防尘层4的制备方式为:将防静电涂料溶液喷洒至加热旋转的抗拉伸层3的表面上,以合成防静电薄膜,采用去离子水和乙醇将防静电薄膜进行清洗,然后浸入水中,待完全冷却后采用去离子水对防静电薄膜进行清洗,清洗后在UV烘干设备内烘干,烘干温度60°,烘干时长在30min,然后将水性离型涂料喷洒至加热旋转的防静电薄膜的外壁上,以合成水性离型膜和防静电膜复合的复合薄膜。
本发明的有益效果是:通过设置防辐射层提高防护薄膜主体的抗辐射能力,且采用复合材料制成的防辐射层具备抗辐射能力强,无毒且采用改性PET层作为防辐射层材料,能够有效降低电磁辐射对设备的干扰,通过混合、抽滤、干燥、离心、超滤等操作下使得微纳米氧化钐在聚偏氟乙烯内混合后均匀分布,能更好的发挥纳米氧化钐高效防辐射性能,通过设置双向拉伸聚丙烯薄膜为柔性防护薄膜主体基层,提高整个柔性防护薄膜的的抗拉伸强度,且在柔性防护薄膜主体内设置高密度聚乙烯材质为主的抗拉伸层,进一步提高柔性防护薄膜的抗拉伸强度,通过设置双向拉伸聚丙烯薄膜为柔性防护薄膜主体基层,提高整个柔性防护薄膜的的抗拉伸强度,且在柔性防护薄膜主体内设置高密度聚乙烯材质为主的抗拉伸层,进一步提高柔性防护薄膜的抗拉伸强度。
实施例2
在实施例1的基础上,本发明所提供的一种多功能的梯度结构柔性防护薄膜的较佳实施例如图1至图2所示:一种多功能的梯度结构柔性防护薄膜,包括柔性防护薄膜本体,柔性防护薄膜包括基层1,基层1的上表面设置有防辐射层2,防辐射层2的上表面设置有抗拉伸层3,抗拉伸层3,抗拉伸层3的上表面设置有防尘层4;
基层1由双向拉伸聚丙烯薄膜制成,基层1的厚度在0.05mm,防辐射层2为改性PET和微纳米氧化钐的复合薄膜层,防辐射层2为改性PET和微纳米氧化钐的复合薄膜层,防辐射层2的厚度为0.03mmm,防辐射层2的组成成分为,PET30份、多异氰酸酯10份、纳米二氧化钛3份、增塑剂10份、固化剂4份、防老剂3份、微纳米氧化钐1.5份,其制备方式为将各组分按照组成成分比依次放置在混合罐内后添加100份水在20MPa、温度100℃下搅拌反应4小时,然后水洗至溶液中无Cl-,抽滤,干燥,粉碎,过200目筛的到复合涂料,然后取5份改性复合涂料加入300份甲苯和丙酮混合液中,在5000r/min下搅拌24h,然后经3000r/min×10min离心,取上层清液即得到粘土溶液,将粘土溶液通过去离子水洗涤后使用孔径0.20μm的微孔过滤膜,孔径0.18μm的三氧化二铝模板,进行真空抽滤自组装,时间为1.5小时,得到的样品在常温下自然干燥,干燥后的样品用丙酮溶液溶解去除微孔过滤膜得到改性PET和微纳米氧化钐的复合薄膜层,抗拉伸层3为高密度聚乙烯材质,抗拉伸层3的厚度为0.07mmm,抗拉伸层3的组成成分为:乙烯-醋酸乙烯共聚物3份、润滑剂0.2份、增韧剂5份、抗氧化剂0.5份、着色剂1.0份,防尘层4包括水性离型膜和防静电膜复合而成,防尘层4的厚度为0.08mmm,防尘层4的制备方式为:将防静电涂料溶液喷洒至加热旋转的抗拉伸层3的表面上,以合成防静电薄膜,采用去离子水和乙醇将防静电薄膜进行清洗,然后浸入水中,待完全冷却后采用去离子水对防静电薄膜进行清洗,清洗后在UV烘干设备内烘干,烘干温度80°,烘干时长在70min,然后将水性离型涂料喷洒至加热旋转的防静电薄膜的外壁上,以合成水性离型膜和防静电膜复合的复合薄膜。
本发明的有益效果是:通过设置防辐射层提高防护薄膜主体的抗辐射能力,且采用复合材料制成的防辐射层具备抗辐射能力强,无毒且采用改性PET层作为防辐射层材料,能够有效降低电磁辐射对设备的干扰,通过混合、抽滤、干燥、离心、超滤等操作下使得微纳米氧化钐在聚偏氟乙烯内混合后均匀分布,能更好的发挥纳米氧化钐高效防辐射性能,通过设置双向拉伸聚丙烯薄膜为柔性防护薄膜主体基层,提高整个柔性防护薄膜的的抗拉伸强度,且在柔性防护薄膜主体内设置高密度聚乙烯材质为主的抗拉伸层,进一步提高柔性防护薄膜的抗拉伸强度,通过设置双向拉伸聚丙烯薄膜为柔性防护薄膜主体基层,提高整个柔性防护薄膜的的抗拉伸强度,且在柔性防护薄膜主体内设置高密度聚乙烯材质为主的抗拉伸层,进一步提高柔性防护薄膜的抗拉伸强度。
实施例3
在实施例1的基础上,本发明所提供的一种多功能的梯度结构柔性防护薄膜的较佳实施例如图1至图2所示:一种多功能的梯度结构柔性防护薄膜,包括柔性防护薄膜本体,柔性防护薄膜包括基层1,基层1的上表面设置有防辐射层2,防辐射层2的上表面设置有抗拉伸层3,抗拉伸层3,抗拉伸层3的上表面设置有防尘层4;
基层1由双向拉伸聚丙烯薄膜制成,基层1的厚度在0.03mm,防辐射层2为改性PET和微纳米氧化钐的复合薄膜层,防辐射层2为改性PET和微纳米氧化钐的复合薄膜层,防辐射层2的厚度为0.02mmm,防辐射层2的组成成分为,PET25份、多异氰酸酯7份、纳米二氧化钛2份、增塑剂6份、固化剂3份、防老剂2份、微纳米氧化钐1份,其制备方式为将各组分按照组成成分比依次放置在混合罐内后添加80份水在10MPa、温度95℃下搅拌反应3.5小时,然后水洗至溶液中无Cl-,抽滤,干燥,粉碎,过150目筛的到复合涂料,然后取4份改性复合涂料加入200份甲苯和丙酮混合液中,在4000r/min下搅拌24h,然后经3000r/min×10min离心,取上层清液即得到粘土溶液,将粘土溶液通过去离子水洗涤后使用孔径0.20μm的微孔过滤膜,孔径0.18μm的三氧化二铝模板,进行真空抽滤自组装,时间为1.2小时,得到的样品在常温下自然干燥,干燥后的样品用丙酮溶液溶解去除微孔过滤膜得到改性PET和微纳米氧化钐的复合薄膜层,抗拉伸层3为高密度聚乙烯材质,抗拉伸层3的厚度为0.04mmm,抗拉伸层3的组成成分为:乙烯-醋酸乙烯共聚物2.5份、润滑剂0.15份、增韧剂4份、抗氧化剂0.3份、着色剂0.6份,防尘层4包括水性离型膜和防静电膜复合而成,防尘层4的厚度为0.06mmm,防尘层4的制备方式为:将防静电涂料溶液喷洒至加热旋转的抗拉伸层3的表面上,以合成防静电薄膜,采用去离子水和乙醇将防静电薄膜进行清洗,然后浸入水中,待完全冷却后采用去离子水对防静电薄膜进行清洗,清洗后在UV烘干设备内烘干,烘干温度70°,烘干时长在50min,然后将水性离型涂料喷洒至加热旋转的防静电薄膜的外壁上,以合成水性离型膜和防静电膜复合的复合薄膜。
本发明的有益效果是:通过设置防辐射层提高防护薄膜主体的抗辐射能力,且采用复合材料制成的防辐射层具备抗辐射能力强,无毒且采用改性PET层作为防辐射层材料,能够有效降低电磁辐射对设备的干扰,通过混合、抽滤、干燥、离心、超滤等操作下使得微纳米氧化钐在聚偏氟乙烯内混合后均匀分布,能更好的发挥纳米氧化钐高效防辐射性能,通过设置双向拉伸聚丙烯薄膜为柔性防护薄膜主体基层,提高整个柔性防护薄膜的的抗拉伸强度,且在柔性防护薄膜主体内设置高密度聚乙烯材质为主的抗拉伸层,进一步提高柔性防护薄膜的抗拉伸强度,通过设置双向拉伸聚丙烯薄膜为柔性防护薄膜主体基层,提高整个柔性防护薄膜的的抗拉伸强度,且在柔性防护薄膜主体内设置高密度聚乙烯材质为主的抗拉伸层,进一步提高柔性防护薄膜的抗拉伸强度。
Claims (8)
1.一种多功能的梯度结构柔性防护薄膜,包括柔性防护薄膜本体,其特征在于:所述柔性防护薄膜包括基层(1),所述基层(1)的上表面设置有防辐射层(2),所述防辐射层(2)的上表面设置有抗拉伸层(3),所述抗拉伸层(3),所述抗拉伸层(3)的上表面设置有防尘层(4)。
2.根据权利要求1所述的一种多功能的梯度结构柔性防护薄膜,其特征在于:所述基层(1)由双向拉伸聚丙烯薄膜制成,所述基层(1)的厚度在0.02mm~0.07mm。
3.根据权利要求1所述的一种多功能的梯度结构柔性防护薄膜,其特征在于:所述防辐射层(2)为改性PET和微纳米氧化钐的复合薄膜层,所述防辐射层(2)的厚度为0.01mm~0.03mm。
4.根据权利要求1所述的一种多功能的梯度结构柔性防护薄膜,其特征在于:所述抗拉伸层(3)为高密度聚乙烯材质,所述抗拉伸层(3)的厚度为0.02mm~0.07mm。
5.根据权利要求1所述的一种多功能的梯度结构柔性防护薄膜,其特征在于:所述防尘层(4)包括水性离型膜和防静电膜复合而成,所述防尘层(4)的厚度为0.02mm~0.08mm。
6.根据权利要求1所述的一种多功能的梯度结构柔性防护薄膜,其特征在于:所述防辐射层(2)的组成成分为,PET20~30份、多异氰酸酯5~10份、纳米二氧化钛1~3份、增塑剂4~10份、固化剂2~4份、防老剂1~3份、微纳米氧化钐0.6~1.5份,其制备方式为将各组分按照组成成分比依次放置在混合罐内后添加50~100份水在0~15MPa、温度90~100℃下搅拌反应3~4小时,然后水洗至溶液中无Cl-,抽滤,干燥,粉碎,过100~200目筛的到复合涂料,然后取3~5份改性复合涂料加入100~300份甲苯和丙酮混合液中,在3000~5000r/min下搅拌24h,然后经3000r/min×10min离心,取上层清液即得到粘土溶液,将粘土溶液通过去离子水洗涤后使用孔径0.20μm的微孔过滤膜,孔径0.18μm的三氧化二铝模板,进行真空抽滤自组装,时间为1~1.5小时,得到的样品在常温下自然干燥,干燥后的样品用丙酮溶液溶解去除微孔过滤膜得到改性PET和微纳米氧化钐的复合薄膜层。
7.根据权利要求1所述的一种多功能的梯度结构柔性防护薄膜,其特征在于:所述抗拉伸层(3)的组成成分为:乙烯-醋酸乙烯共聚物2~3份、润滑剂0.1~0.2份、增韧剂3~5份、抗氧化剂0.2~0.5份、着色剂0.2~1.0份。
8.根据权利要求1所述的一种多功能的梯度结构柔性防护薄膜,其特征在于:所述防尘层(4)的制备方式为:将防静电涂料溶液喷洒至加热旋转的抗拉伸层(3)的表面上,以合成防静电薄膜,采用去离子水和乙醇将防静电薄膜进行清洗,然后浸入水中,待完全冷却后采用去离子水对防静电薄膜进行清洗,清洗后在UV烘干设备内烘干,烘干温度60~80°,烘干时长在30~70min,然后将水性离型涂料喷洒至加热旋转的防静电薄膜的外壁上,以合成水性离型膜和防静电膜复合的复合薄膜。
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