High-toughness bundling grating and production process thereof

By optimizing the material composition and preparation process of the clustered grid, and combining components such as epoxy-modified unsaturated polyester resin and alkali-free glass fiber, a thermally conductive and antistatic network is constructed, which solves the problem of balancing the toughness and strength of the clustered grid, improves its low-temperature performance and creep resistance, and extends its service life.

CN121554929AInactive Publication Date: 2026-02-24HAINING ZHENYANG TEXTILE COMPOUND MATERIALS CO LTD
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Patent Information

Application Number
CN202511824904.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-05
Publication Date
2026-02-24
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing clustered grids are prone to strength reduction when improving toughness, are easily brittle in low-temperature environments, and have insufficient creep resistance under long-term loads, making it difficult to maintain structural stability and service life in complex outdoor environments.

Method used

By combining epoxy-modified unsaturated polyester resin, alkali-free glass fiber, metallocene polyolefin, highly branched polyolefin, EPDM rubber, core-shell elastomer toughening agent, and modified nano-aluminum nitride-graphene composite filler, the toughness and strength are improved by optimizing the material composition and preparation process, constructing a thermally conductive and antistatic network, and enhancing low-temperature performance and creep resistance.

Benefits of technology

It achieves a 40% increase in impact strength of high-toughness clustered grids at both normal and low temperatures, enhanced creep resistance, stable electrostatic properties, extended service life, and adaptability to complex outdoor environments.

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Abstract

The invention provides a high-toughness bundling grating and a production process of the high-toughness bundling grating. The composite material is prepared from the following raw materials in parts by weight: 32 to 42 parts of epoxy modified unsaturated polyester resin, 26 to 36 parts of alkali-free glass fiber, 7 to 11 parts of metallocene polyolefin, 5 to 9 parts of high-branching-degree polyolefin, 4 to 8 parts of ethylene propylene diene monomer, 2.5 to 5.5 parts of core-shell structure elastomer toughening agent, 1.5 to 4.5 parts of modified nano aluminum nitride-graphene composite filler, 0.7 to 1.1 parts of silane coupling agent and 0.5 to 0.9 part of antioxidant. 0.4 to 0.7 part of ultraviolet stabilizer, 0.4 to 0.8 part of calcium stearate and 0.1 to 0.3 part of conductive additive. According to the invention, the core-shell structure elastomer toughening agent realizes toughening without damaging strength through core-shell synergy, and the impact strength is improved by 40% or above; the modified nano aluminum nitride-graphene composite filler constructs a heat conduction-antistatic network, and the modified nano aluminum nitride-graphene composite filler and the metallocene polyolefin are matched with the high-branching-degree polyolefin and the ethylene propylene diene monomer to enhance low-temperature toughness and creep resistance.
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