Green Upcycling of The End-of-life Tire Rubber: from Devulcanization to Decrosslinking

REN Teng; ZHANG Zhou; WANG Shi-feng

doi:10.14028/j.cnki.1003-3726.2025.24.351

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Green Upcycling of The End-of-life Tire Rubber: from Devulcanization to Decrosslinking

更新时间：2025-05-23

- Green Upcycling of The End-of-life Tire Rubber: from Devulcanization to Decrosslinking
- Polymer Bulletin Vol. 38, Issue 6, Pages: 857-867(2025)
- 作者机构：
  
  上海交通大学化学化工学院，上海 200240
- 作者简介：
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.2025.24.351
  CLC：
- Received：21 November 2024，
  
  Accepted：27 December 2024，
  
  Published Online：19 February 2025，
  
  Published：20 June 2025
- 稿件说明：
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任腾, 张宙, 王仕峰. 退役轮胎橡胶的绿色升值循环：从脱硫到解交联. 高分子通报, 2025, 38(6), 857-867.

Ren, T.; Zhang, Z.; Wang, S. F. Green upcycling of the end-of-life tire rubber: from devulcanization to decrosslinking. Polym. Bull. (in Chinese), 2025, 38(6), 857-867.
任腾, 张宙, 王仕峰. 退役轮胎橡胶的绿色升值循环：从脱硫到解交联. 高分子通报, 2025, 38(6), 857-867. DOI： 10.14028/j.cnki.1003-3726.2025.24.351.

Ren, T.; Zhang, Z.; Wang, S. F. Green upcycling of the end-of-life tire rubber: from devulcanization to decrosslinking. Polym. Bull. (in Chinese), 2025, 38(6), 857-867. DOI： 10.14028/j.cnki.1003-3726.2025.24.351.

摘要

退役轮胎橡胶的绿色升值循环愈发受到人们的关注，其中制备再生胶用于材料循环是其升值利用的最佳途径之一。但传统脱硫再生过程存在污染大、能耗高等问题，且所得再生胶本质仍为粗填料（约30 μm），难以均匀微纳分散于基体中，限制了其应用范围。基于多重解交联法制备的微纳再生胶主要由液体橡胶（数均分子量约1×10

g/mol）和活性炭黑组成，这拓展了再生胶作为反应性增塑剂和纳米填料等高值化应用途径。本文结合具体案例，综述讨论了再生胶的微观结构、物理性能和高值化应用之间的关系，明确了降解、脱硫和解交联的定义，梳理了三者之间的关系，并阐述了回收轮胎橡胶从脱硫法向解交联法演变的必要性。同时，梳理了退役轮胎主要的回收方法及其局限性，并展望了未来的研究方向，旨在为其的高值化循环利用提供借鉴。

Abstract

The green upcycling of end-of-life tires rubber has attracted increasing attention. The production of reclaimed rubber for material recycling is one of the most promising recycling ways. However

traditional reclamation processes are associated with significant pollution and high energy consumption. Additionally

the reclaimed rubber is in the form of a coarse filler (

. 30 µm)

which is difficult to disperse uniformly in the matrix

limiting its potential applications. The micro-nano reclaimed rubber

prepared

via

the multiple decrosslinking method

consists of liquid rubber (with

. 1×10

g/mol) and reactive carbon black (with micro-nano scale). This development opens up new high-value applications for reclaimed rubber as both a reactive plasticizer and a nano-filler. This review discusses the relationship between the microstructure

physical properties

and high-value applications of reclaimed rubber

using specific case studies. The definitions of degradation

devulcanization and decrosslinking are clarified

the relationship between them is sorted out

and the necessity of the evolution of recycled tire rubber from desulfurization to decrosslinking is described. Furthermore

the main methods for recycling end-of-life tires and their limitations are reviewed

with a forward-looking perspective on future research directions. This paper aims to provide a reference for the high-value recycling of end-of-life tires.

关键词

Keywords

references

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