CN106380773B - 一种用于物理沉积金属膜层的有机复合材料 - Google Patents

一种用于物理沉积金属膜层的有机复合材料 Download PDF

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CN106380773B
CN106380773B CN201610756205.1A CN201610756205A CN106380773B CN 106380773 B CN106380773 B CN 106380773B CN 201610756205 A CN201610756205 A CN 201610756205A CN 106380773 B CN106380773 B CN 106380773B
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黄贤明
周东波
张先超
阙举锟
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Abstract

本发明公开了一种用于物理沉积金属膜层的有机复合材料，其原料组成按质量百分比计为：普通塑胶材料90~95%、纳米金属粉末0.5~5%和高分子金属络合物1~5%；各组分的质量百分比之和为100%。本发明通过在塑胶材料中添加纳米金属粉和高分子金属络合物，使其在进行物理气相沉积时与金属离子形成较强的化学键，从而增加塑胶基材与金属膜层的结合力，镀层结合力达到15~20N/cm。此外，本发明的复合材料制备工艺简单，方便生产，适合推广应用。

Description

一种用于物理沉积金属膜层的有机复合材料
技术领域
本发明属于塑胶材料改性技术领域，具体涉及一种用于物理沉积金属膜层的有机复合材料。
背景技术
物理气相沉积金属薄膜技术是一种常用的材料表面装饰技术，通过在真空环境下电离出来的金属离子沉积到基材表面，可以形成金属质感的外观效果，特别是用于处理塑胶材料，可以替代传统的金属产品。但是一般的塑胶材料由于具有较强的非极性，无法与金属膜层形成很好的结合力，导致物理气相沉积膜层的耐磨性非常差，需要表面涂覆透明的油漆用于保护金属膜层。
本发明通过对一般的塑胶材料如丙烯腈-丁二烯-苯乙烯（ABS）进行特殊改性，使其在进行物理气相沉积时与金属离子形成较强的化学键，达到增加塑胶基材与金属膜层的结合力的目的。
发明内容
本发明的目的在于针对现有技术不足，提供一种用于物理沉积金属膜层的有机复合材料。本发明通过在塑胶材料中添加纳米金属粉和高分子金属络合物，使其在进行物理气相沉积时与金属离子形成较强的化学键，从而增加塑胶基材与金属膜层的结合力，镀层结合力达到15~20N/cm。
为实现上述目的，本发明采用如下技术方案：
一种用于物理沉积金属膜层的有机复合材料，其原料组成按质量百分比计为：普通塑胶材料90~95%、纳米金属粉末0.5~5%和高分子金属络合物1~5%；各组分的质量百分比之和为100%。
所述普通塑胶材料为丙烯腈-丁二烯-苯乙烯、聚丙烯、聚酰胺、聚碳酸酯和聚甲基丙烯酸甲酯中的任一种。
所述的纳米金属粉末为纳米铜粉、纳米铝粉和纳米铁粉中的任一种，粉末粒径在500~1000纳米之间。
所述的高分子金属络合物为聚苯乙烯羰基铁络合物。
如上所述的用于物理沉积金属膜层的有机复合材料的制备方法为：将普通塑胶材料、纳米金属粉末和高分子金属络合物按照所述比例混合，再加入到双螺杆挤出机中造粒得到复合材料；也可以把纳米金属粉末和高分子金属络合物按照比例混合，造粒成母粒，再在注塑的过程中添加到塑胶材料中。
本发明的有益效果在于：
（1）本发明的复合材料在进行物理气相沉积金属离子时，金属离子与塑胶基材形成离子键结合，增加了金属膜层与塑胶基材的结合力，镀层结合力达到15~20N/cm；
（2）本发明的复合物由于添加的金属粉末和络合物比例小，不影响原来塑胶材料的机械性能和加工性，有利于材料的应用；
（3）本发明的复合材料制备工艺简单，方便生产。
具体实施方式
以下结合具体实施例对本发明做进一步说明，但本发明不仅仅限于这些实施例。
实施例1
一种用于物理沉积金属膜层的有机复合材料，其原料组成按质量百分比计为：丙烯腈-丁二烯-苯乙烯95%、纳米铜粉4%和聚苯乙烯羰基铁络合物1%。
按照以上配方，把丙烯腈-丁二烯-苯乙烯、纳米铜粉和聚苯乙烯羰基铁络合物加入混合机中搅拌20分钟，搅拌均匀后，加入挤出机中造粒，得到有机复合材料。注塑成型产品，再进行物理气相沉积金属铬和金属铜。
通过胶带剥离测试镀层结合力，经过测试，镀层结合力达到15N/cm，高于ABS材料水电镀的镀层结合力。
实施例2
一种用于物理沉积金属膜层的有机复合材料，其原料组成按质量百分比计为：聚碳酸酯92%、纳米铁粉5%和聚苯乙烯羰基铁络合物3%。
按照以上配方，把聚碳酸酯、纳米铁粉和聚苯乙烯羰基铁络合物加入混合机中搅拌20分钟，搅拌均匀后，加入挤出机中造粒，得到有机复合材料。注塑成型产品，再进行物理气相沉积金属铬和金属铜。
通过胶带剥离测试镀层结合力，经过测试，镀层结合力达到18N/cm，达到ABS材料水电镀的镀层结合力。
实施例3
一种用于物理沉积金属膜层的有机复合材料，其原料组成按质量百分比计为：聚酰胺90%、纳米铝粉5%和聚苯乙烯羰基铁络合物5%。
按照以上配方，把聚酰胺、纳米铝粉和聚苯乙烯羰基铁络合物加入混合机中搅拌20分钟，搅拌均匀后，加入挤出机中造粒，得到有机复合材料。注塑成型产品，再进行物理气相沉积金属铬和金属铜。
通过胶带剥离测试镀层结合力，经过测试，镀层结合力达到20N/cm，高于ABS材料水电镀的镀层结合力。
以上所述仅为本发明的较佳实施例，凡依本发明申请专利范围所做的均等变化与修饰，皆应属本发明的涵盖范围。

Claims (2)

1.一种用于物理沉积金属膜层的有机复合材料，其特征在于：所述的有机复合材料的原料组成按质量百分比计为：普通塑胶材料90～95％、纳米金属粉末0.5～5％和高分子金属络合物1～5％；所述的高分子金属络合物为聚苯乙烯羰基铁络合物；各组分的质量百分比之和为100％。
2.根据权利要求1所述的用于物理沉积金属膜层的有机复合材料，其特征在于：所述普通塑胶材料为丙烯腈-丁二烯-苯乙烯、聚丙烯、聚酰胺、聚碳酸酯和聚甲基丙烯酸甲酯中的任一种。
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