Multi-layer co-extrusion PE stretching wrapping film

By combining a variety of materials and structures in a multi-layer coextruded PE stretched winding film, the performance bottlenecks of the existing winding film in terms of wear resistance, high temperature resistance, chemical resistance and mechanical strength are solved, and higher comprehensive performance and applicability are achieved.

CN119636209APending Publication Date: 2025-03-18TAICANG TONGSHENG PACKAGING MATERIALS CO LTD
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Patent Information

Application Number
CN202411849134.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-03-18

AI Technical Summary

Technical Problem

The existing multi-layer coextruded PE stretched wound film has performance bottlenecks in terms of wear resistance, high temperature resistance, chemical resistance and mechanical strength, and it is difficult to meet the complex and diverse application environment needs.

Method used

The multi-layer coextruded PE stretched wrap film is prepared by combining polyethylene, polyhedral oligosilsesquioxane, ethylene-vinyl acetate, binder resin, polypropylene, nanozirconia particles, polyether ether ketone, antistatic agent, slip agent and ultraviolet absorber, to construct a multi-layer structure to improve the performance of the film.

Benefits of technology

It significantly improves the wear resistance, high temperature resistance, chemical resistance and mechanical strength of the film, and is suitable for applications with high temperature environments and high wear resistance requirements, improving the comprehensive performance and market competitiveness of packaging materials.

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Abstract

The invention relates to the technical field of PE wrapping films, in particular to a multi-layer co-extrusion PE stretching wrapping film which overcomes the defects in the prior art and comprises the following components: polyethylene, polyhedral oligomeric silsesquioxane, ethylene-vinyl acetate, bonding resin, polypropylene, nano zirconium oxide particles, polyether-ether-ketone, an antistatic agent, a slip agent and an ultraviolet absorbent. According to the invention, novel nano materials such as nano zirconium oxide and polyhedral oligomeric silsesquioxane are introduced, and a material formula and a preparation process are optimized, so that the multi-layer co-extrusion PE stretching and wrapping film with higher wear resistance, high temperature resistance, chemical resistance and mechanical strength is developed, and increasingly complicated and diversified market requirements are met.
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