Telechelic phosphonated rubber from metathetic depolymerization of polydienes and of waste tires

被引：7
|
作者：
Jambou, Charles [1 ]
Pilard, Jean-Francois [2 ]
Gaumont, Annie-Claude [1 ]
Dez, Isabelle [1 ]
机构：
[1] Normandie Univ, UNICAEN, ENSICAEN, Lab Chim Mol & Thioorgan, 6 Blvd Marechal Juin, F-14050 Caen, France
[2] Mans Univ, LUNAM Univ, Inst Mol & Materiaux Mans IMMM, UMR CNRS 6283, Ave Olivier Messiaen, F-72085 Le Mans 09, France
来源：
EUROPEAN POLYMER JOURNAL | 2023年 / 185卷
关键词：
Phosphonate; Polyisoprene; Cross; -metathesis; Controlled depolymerization; Waste tires; DEGRADATION; POLYISOPRENE; CATALYSTS; POLYMERS;
D O I：
10.1016/j.eurpolymj.2022.111805
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A controlled degradation process enabling polydiene depolymerization and using the olefin metathesis reaction with a phosphonated allylic chain transfer agent (CTA) is reported. This process afforded the functionalization of elastomers by phosphonate groups to lead to phosphonated telechelic polymers with a quite low dispersity. The metathetic degradation reaction proceeded successfully on waste tires to provide phosphonated telechelic polymers that can be used as secondary raw materials for various applications. This strategy is a logical solution to develop a circular economy approach concerning the recycling of the waste tires.
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页数：8
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