HDPE material with improved environmental stress cracking resistance and method for producing the same

By employing a multi-component synergistic modification method involving rigid nanoparticles, antioxidants, and elastomers, the problem of insufficient environmental stress cracking resistance in HDPE materials while maintaining mechanical and processing properties has been solved. This approach achieves high ESCR performance and long-term stability in the material, expanding its application range.

CN122278023APending Publication Date: 2026-06-26ANHUI SHUIGUANG TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202610324855.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-03-17
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Existing technologies cannot significantly improve the environmental stress cracking resistance of HDPE materials while ensuring their mechanical and processing properties, and their long-term stability is insufficient.

Method used

A multi-component synergistic modification method using rigid nanoparticles, antioxidants, and elastomers is employed. By scientifically controlling the types and proportions of each component and combining compatibilizers and surface modification techniques, a twin-screw extruder is used for melt blending to achieve a synergistic effect of toughening, reinforcement, and anti-aging.

Benefits of technology

It significantly improves the environmental stress cracking resistance of HDPE materials, maintains the rigidity and processing fluidity of the materials, and extends their service life, making it suitable for high-end weather-resistant and corrosion-resistant applications.

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Abstract

This invention relates to the field of modification of water-based photovoltaic materials, providing an HDPE material with improved resistance to environmental stress cracking and its preparation method. By scientifically controlling the types, ratios, and processing techniques of nano-rigid particles, antioxidants, and elastomers, a synergistic effect of "toughening-reinforcing-anti-aging" is achieved, significantly improving the environmental stress cracking resistance of HDPE materials while maintaining good rigidity, processing fluidity, and long-term service stability, thus expanding its application range in high-end weather-resistant and corrosion-resistant scenarios.
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