一种抗静电性聚乙烯遮蔽膜及其制备方法

By introducing modified silver-coated carbon nanotubes and acrylic coatings into a polyethylene masking film, a conductive network and ion conduction channels are formed, solving the problems of static electricity accumulation and insufficient antibacterial properties of the polyethylene masking film, and achieving highly efficient antistatic and antibacterial effects.

CN120775239BActive Publication Date: 2026-07-17QINGDAO AOSHENG PLASTIC

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
QINGDAO AOSHENG PLASTIC
Filing Date
2025-06-20
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Polyethylene masking film is prone to accumulating static electricity during friction, which leads to the adsorption of contaminants by static electricity, affecting product quality and safety, especially increasing the risk of infection in medical device packaging, while lacking antibacterial properties.

Method used

By pre-irradiating linear low-density polyethylene, adding modified silver-coated carbon nanotubes, and coating the surface of the polyethylene shielding film with acrylic coating, a conductive network and ion conduction channels are formed. Combined with the photocatalytic effect of silver nanoparticles, the antistatic and antibacterial properties are improved.

Benefits of technology

The polyethylene masking film achieves highly efficient antistatic properties, preventing static electricity accumulation and contaminant adsorption, while also possessing antibacterial effects, thus improving product safety and quality.

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Abstract

本发明涉及聚乙烯薄膜制备技术领域,具体是一种抗静电性聚乙烯遮蔽膜及其制备方法。本发明将线性低密度聚乙烯进行预辐照处理,处理结束后添加改性银包覆碳纳米管,得到抗静电聚乙烯;将抗静电聚乙烯、超高分子量聚乙烯、相容剂、阻燃剂混合,经熔融挤出、冷却、固化,得到铸片;再将铸片经纵向拉伸、横向拉伸,得到聚乙烯遮蔽膜;再将丙烯酸涂料涂覆至聚乙烯遮蔽膜表面,经干燥固化,得到成品。本发明制备得到的成品具备优异的抗静电性能和抗菌性,因此在聚乙烯薄膜制备技术领域具有广阔的应用前景。
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