High-impact-resistance and high-strength PE water supply pipe and preparation method thereof

By using specific components and processes in the polyethylene water supply pipe, a high impact resistance and high strength PE water supply pipe is prepared, which solves the problem of insufficient mechanical properties of the polyethylene water supply pipe in the prior art, and achieves higher impact resistance and strength.

CN119708678APending Publication Date: 2025-03-28TAIZHOU AOBO PIPE +1
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Patent Information

Application Number
CN202510154853.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-12
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

The existing polyethylene water supply pipes have problems of insufficient impact resistance and strength in terms of mechanical properties, which is difficult to meet the increasingly high environmental needs.

Method used

High-density polyethylene resin, carbon black, antioxidants, polyamide wax powder, coupling agent, trinonylphenyl phosphite, calcium fluoride, octyl epoxy stearate and modification additives are used to prepare high impact resistance and high strength PE water supply pipes through specific formulas and preparation processes.

Benefits of technology

It significantly improves the scratch resistance, impact resistance, toughness, corrosion resistance and oxidation resistance of the water supply pipe, enhances its mechanical properties, and is suitable for high-demand environments.

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Abstract

The invention belongs to the technical field of pipe preparation, and particularly relates to a high-impact-resistance and high-strength PE water supply pipe and a preparation method thereof. Comprising the following components in parts by weight: 100 to 104 parts of polyethylene resin, 2 to 4 parts of carbon black, 0.1 to 0.2 part of an antioxidant, 2 to 3 parts of polyamide wax micro powder, 0.1 to 0.2 part of a 1-coupling agent, 0.8 to 1 part of tris (nonylphenyl) phosphite, 1 to 1.5 parts of calcium fluoride, 1 to 1.5 parts of octyl epoxy stearate and 3 to 6 parts of a performance additive. The performance additive is prepared from the following raw materials in parts by weight: 40 to 45 parts of medium density polyethylene, 18 to 20 parts of polyphthalamide, 1 to 2 parts of aluminum nitride, 1 to 2 parts of bentonite grease, 0.1 to 0.2 part of calcium peroxide, 1 to 2 parts of 2-coupling agent, 0.5 to 0.8 part of microcrystalline cellulose, 0.1 to 0.2 part of nano toughening agent and 0.1 to 0.2 part of compatilizer. The water supply pipe is good in surface smoothness and high in scratch resistance and impact resistance, the friction coefficient between the PE water supply pipe and the ground in the dragging process is effectively reduced, and the product is high in toughness, corrosion resistance, oxidation resistance and impact resistance.
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