Abrasion-resistant, slip-resistant, and recyclable lightweight tpu composite and method of making same

By compounding polyester-type TPU particles, modified squid sucker cyclodentin, and other raw materials, a wear-resistant, slip-resistant, and recyclable lightweight TPU composite material was prepared. This solved the problems of mutual incompatibility of wear resistance, slip resistance, and lightweight properties, as well as insufficient recyclability of existing TPU composite materials, and achieved efficient recycling and environmentally friendly production.

CN122103869APending Publication Date: 2026-05-29DONGGUAN ZHONGDING PLASTIC PRODUCTION CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
DONGGUAN ZHONGDING PLASTIC PRODUCTION CO LTD
Filing Date
2026-02-02
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing TPU composite materials struggle to balance wear resistance, slip resistance, and lightweight properties. Furthermore, their performance degrades significantly during recycling, hindering efficient regeneration and leading to resource waste and environmental pollution.

Method used

A lightweight TPU composite material that is wear-resistant, non-slip, and recyclable is prepared by compounding polyester-type TPU particles, modified squid sucker cyclic dentate protein, carboxymethyl cellulose, styrene-butadiene rubber and other raw materials, and by carefully controlling the proportion of each raw material to form an interpenetrating network structure, thereby improving interfacial compatibility and mechanical properties. At the same time, bio-based components are introduced to reduce density.

Benefits of technology

It achieves excellent wear resistance, anti-slip properties and good tensile strength of the material, and can be recycled more than 3 times with a mechanical property retention rate of ≥80%, meeting the needs of practical applications. It has high production efficiency, low cost and is suitable for large-scale production.

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Abstract

The application specifically relates to a wear-resistant and skid-resistant and recyclable light TPU composite material and a preparation method thereof. The wear-resistant and skid-resistant and recyclable light TPU composite material comprises polyester TPU particles, modified squid sucker ring tooth protein, carboxymethyl cellulose, butadiene styrene rubber, zinc oxide, stearic acid, vulcanizing agent, yellowing-resistant agent, foaming agent, carbon black and antioxidant. The prepared wear-resistant and skid-resistant and recyclable light TPU composite material has excellent wear resistance, skid resistance and good tensile strength, is light in weight, can be recycled more than three times, has a mechanical property retention rate of the recycled material of greater than or equal to 80%, meets actual application requirements, and can be well applied to outdoor shoe decoration pieces and knee pads. The preparation method of the wear-resistant and skid-resistant and recyclable light TPU composite material is simple in process, easy to control, high in production efficiency, low in production cost, stable in product quality, excellent in comprehensive performance, and suitable for large-scale production.
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