Antibacterial pvc-m pipe composition and method for producing the same

CN122167910APending Publication Date: 2026-06-09CHINA PETROLEUM & CHEMICAL CORP +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CHINA PETROLEUM & CHEMICAL CORP
Filing Date
2024-12-09
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing PVC-M pipes are insufficient in terms of toughening and antibacterial properties, making it difficult to meet the requirements of high strength and high toughness while also possessing antibacterial properties.

Method used

An antibacterial PVC-M pipe composition was prepared by using an antibacterial agent composed of ternary copolymer block silicone oil and nano titanium dioxide through blending modification. By combining specific ratios and process conditions, the compatibility and synergistic effect of the materials were ensured.

Benefits of technology

This technology achieves PVC-M pipes that possess both high rigidity and toughness, good processing performance, and significant antibacterial effects, meeting processing requirements and application needs.

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Abstract

The application discloses an antibacterial PVC-M pipe material composition and a preparation method thereof, and relates to the technical field of PVC-M pipes.The technical scheme is as follows: the composition comprises the following components in parts by weight: 100 parts of PVC resin, 1-4 parts of processing modified resin, 1-3 parts of heat stabilizer, 8-15 parts of toughening agent, 0.05-0.2 parts of antioxidant, 0.1-0.3 parts of lubricant, 1-5 parts of filling agent and 0.5-2 parts of antibacterial agent, wherein the antibacterial agent comprises ternary copolymer block type silicone oil and nano titanium dioxide with a mass ratio of 1:(0.1-0.5). The antibacterial PVC-M pipe material composition has high rigidity, good toughness and processing performance, can meet the processing requirements of the PVC-M pipe material, and has antibacterial performance through the addition of the antibacterial agent composed of the ternary copolymer block type silicone oil and the nano titanium dioxide.
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